CN106334516B - A kind of antichlor and preparation method thereof - Google Patents

A kind of antichlor and preparation method thereof Download PDF

Info

Publication number
CN106334516B
CN106334516B CN201610891768.1A CN201610891768A CN106334516B CN 106334516 B CN106334516 B CN 106334516B CN 201610891768 A CN201610891768 A CN 201610891768A CN 106334516 B CN106334516 B CN 106334516B
Authority
CN
China
Prior art keywords
antichlor
active component
carrier
preparation
molding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610891768.1A
Other languages
Chinese (zh)
Other versions
CN106334516A (en
Inventor
朱建华
薛俊霞
马锐
武本成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Petroleum Beijing
Original Assignee
China University of Petroleum Beijing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China University of Petroleum Beijing filed Critical China University of Petroleum Beijing
Priority to CN201610891768.1A priority Critical patent/CN106334516B/en
Publication of CN106334516A publication Critical patent/CN106334516A/en
Application granted granted Critical
Publication of CN106334516B publication Critical patent/CN106334516B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/041—Oxides or hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28011—Other properties, e.g. density, crush strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/202—Single element halogens
    • B01D2257/2025—Chlorine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2045—Hydrochloric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/206—Organic halogen compounds
    • B01D2257/2064—Chlorine

Abstract

The present invention provides a kind of antichlor, and it further includes carrier that raw material, which includes active component,.Carrier described in the antichlor raw material and the mass ratio of active component are 0.7 ~ 1.5, may also include binder, peptizing agent and shaping assistant etc..The present invention also provides a kind of preparation methods of antichlor, including the raw materials such as active component, carrier and shaping assistant are mixed, extrusion, drying, further include being roasted, obtain molding antichlor.Antichlor provided by the invention and preparation method thereof, obtained antichlor, compression strength with higher and biggish penetrate chlorosity, the hydrogen chloride in mixed gas can effectively be removed, reduce the adverse effect to oil refining apparatus, and realize under lower temperature conditions and can be prepared by antichlor in the short period, energy consumption is advantageously reduced in this way, reduces production cost.

Description

A kind of antichlor and preparation method thereof
Technical field
The invention belongs to gas purification technique fields, in particular it relates to a kind of antichlor and preparation method thereof.
Background technique
Recently as the increase of oil extraction depth, the heavy of crude oil, in poor quality are on the rise.Crude oil and its distillate In chloride content be also in continuous raising trend, chlorine corrosion caused by chloride, ammonium salt blockage, ammonium chloride underdeposit corrosion and chlorine The problems such as compound stress corrosion cracking, brings many security risks to oil refining apparatus.Therefore, to chlorination in crude oil and its distillate The removing research of object becomes inexorable trend.
Chloride in crude oil is divided into two class of butter and organic chloride.Butter mainly with NaCl, MgCl2And CaCl2The form of equal alkali and alkaline earth metal ions salt exists, and organic chloride then mainly exists in the form of chlorohydrocarbon. Butter can effectively be removed before crude oil processing by electric desalting apparatus, and most organic chloride still can It is present in crude oil, this part organic chloride can be converted into hydrogen chloride under certain condition, and then to production equipment and pipeline Adverse effect is caused, be mainly manifested in following three aspect: 1) hydrogen chloride gas is in lower environment temperature and with the presence of condensed water When, low temperature HCl-H can be formed2S-H2O corrosive environment, to corrode refining equipment.This corrosion is primarily present in atmospheric and vacuum distillation unit Fore-running column overhead, normal pressure column overhead, decompression column overhead, the equipment such as Atmospheric vacuum condenser system and the pre- hydrogenation system of catalytic reforming In.2) chloride ion electron affinity with higher and migration cause the permanent of catalyst so easily reacting with metal ion Poisoning, and chlorine can be migrated downward into process fluid, complete so be often bed to the harm of catalyst, it in this way can be to enterprise Industry brings biggish economic loss.3) hydrogen chloride, which is easily reacted with ammonia, generates ammonium chloride, the ammonium chloride meeting under lower temperature conditions It crystallizes and is deposited in the relevant devices such as pipeline, heat exchanger entrance, cause pipeline blockage, influence the normal operation of device, reduce The service life of equipment.Therefore, long-term, safe and stable operation of the removing of chloride for oil refining apparatus improves Petrochemical Enterprises Economic benefit be of great significance.
Antichlor intensity is low, service life in order to solve for the Chinese invention patent application of Publication No. CN104492368A Problem short, HCl content is to be improved discloses a kind of antichlor, has by using ferrous sulfate, calcium powder, the conduct of high sulfur capacity powder Raw material is imitated, so that carrying out reaction first with the calcium hydroxide in ferrous sulfate and calcium powder generates FeOOH and calcium sulfate, it will FeOOH that above-mentioned reaction generates and be directly added into FeOOH high sulfur capacity powder as main component collectively as Active component, and the synergistic effect between two kinds of active components is given full play to, effectively improve the chlorosity of the antichlor；Meanwhile also Using the calcium sulfate with cementation generated in above-mentioned reaction process, so that duct, specific surface area in antichlor structure, Active center distribution is optimised, and can effectively improve the mechanical strength of antichlor, antichlor of the present invention have compared with High chlorosity and mechanical strength, analysis data show that the chlorosity of the antichlor is up to 65% or more, and mechanical strength is up to 100N/ Cm or more.
But the above antichlor compression strength is lower, (12MPa or more) cannot use under high pressure, therefore, need to make It is standby go out can (12MPa or more) is used under high pressure antichlor, ensure the long period safe and stable operation of refinery device.
Summary of the invention
In order to overcome it is above in the prior art the technical issues of, the present invention provides a kind of antichlor and preparation method thereof, should The compression strength of antichlor is improved.
In order to reach the goals above, the invention adopts the following technical scheme: a kind of antichlor, raw material include active group Point, it further include carrier.Carrier is added in active component, the compression strength of antichlor is made to get a promotion.
Preferably, carrier described in the raw material of the antichlor and the mass ratio of active component are 0.7 ~ 1.5, carrier with The ratio of active component can get antichlor compression strength and the good of chlorosity (especially penetrating chlorosity) put down in this section Weighing apparatus.
Any of the above-described scheme is preferably, and the raw material of the antichlor further includes shaping assistant.
Any of the above-described scheme is preferably, and the shaping assistant includes binder.
Any of the above-described scheme is preferably, the binder account for active component and carrier gross mass percentage be 30 ~ 70wt.%。
Any of the above-described scheme is preferably, and the binder includes Aluminum sol, polyvinyl alcohol or kaolin.
Any of the above-described scheme is preferably, and the shaping assistant includes peptizing agent.
Any of the above-described scheme is preferably, the peptizing agent account for active component and carrier gross mass percentage be 3 ~ 7wt.%。
Any of the above-described scheme is preferably, and the peptizing agent includes nitric acid, hydrochloric acid or acetic acid.
Any of the above-described scheme is preferably, and the shaping assistant includes extrusion aid.
Any of the above-described scheme is preferably, the extrusion aid account for active component and carrier gross mass percentage be 1 ~ 3wt.%。
Any of the above-described scheme is preferably, and the extrusion aid includes sesbania powder and/or polybasic carboxylic acid.
Any of the above-described scheme is preferably, and the raw material of the antichlor further includes distilled water.
Any of the above-described scheme is preferably, and the additive amount of the distilled water is the gouache ratio (volume and active group of distilled water Divide the ratio with carrier gross mass) 0.1 ~ 0.5mL/g.Gouache ratio has a significant impact extruded velocity and compression strength；Pigment Than big, the good fluidity of dough, antichlor is easily squeezed out；But when gouache ratio is excessive, antichlor is not easily molded.For of the present invention Antichlor, when controlling gouache ratio within the scope of 0.1 ~ 0.5mL/g, that is, can guarantee that antichlor has enough compression strength and outer See shape.
Any of the above-described scheme is preferably, and the active component includes one or more of CaO, MgO, ZnO and CuO Metal composite oxide.These types of metal oxide or in which several compound metal oxide CaO and ZnO or CaO and MgO Deng so that the compression strength of antichlor is improved when it is as active component.
Any of the above-described scheme is preferably, and the active component is prepared by urea coprecipitation method.Urea precipitation method Active component of the metal oxide obtained as antichlor, so that the duct of antichlor, specific surface area and active center distribution Preferably, and the compression strength of antichlor can be effectively improved.
Any of the above-described scheme is preferably, and the carrier is boehmite powder.
Any of the above-described scheme is preferably, and includes the active component of 30 ~ 70wt.% in the antichlor.
Any of the above-described scheme is preferably, and the antichlor specific surface area is 100 ~ 130m2/g。
Any of the above-described scheme is preferably, and the aperture of the antichlor is 5 ~ 8nm.
Any of the above-described scheme is preferably, 0.10 ~ 0.30cm of Kong Rongwei of the antichlor3/g。
Any of the above-described scheme is preferably, and the compression strength of the antichlor is higher than 150N/cm.
Antichlor provided by the invention is that carrier is added in active component, so that the compression strength of antichlor is mentioned Height, meanwhile, shaping assistant is added, so that antichlor has biggish specific surface area, and makes its chlorosity, especially penetrates chlorosity and obtain To raising, 65% or more can reach.In addition, selecting boehmite powder for carrier, boehmite powder is through roasting under the high temperature conditions Burning can generate γ-Al2O3, γ-Al2O3Antichlor can be made to keep higher chlorosity and gas purification degree.Dechlorination provided by the invention Agent, compression strength can reach 150N/cm or more, and penetrate chlorosity and can be increased substantially, and even as high as 65% or more.
On the other hand, the present invention also provides the preparation methods of more than one antichlors, including by active component, carrier, at The raw materials such as type auxiliary agent are mixed, extrusion, drying, are further included being roasted, are obtained molding antichlor.
Any of the above-described scheme is preferably, and the maturing temperature is 500 ~ 600 DEG C.
Any of the above-described scheme is preferably, and the calcining time is 3 ~ 6h.
Any of the above-described scheme is preferably, and the temperature of the drying is 100-120 DEG C.
Any of the above-described scheme is preferably, and the time of the drying is 2 ~ 5h.
Any of the above-described scheme is preferably, and prepares the active component by urea coprecipitation method.Urea coprecipitation legal system The metal oxide obtained has many advantages, such as that partial size is small, is uniformly dispersed, large specific surface area and chemical component are uniform, utilizes urea precipitation Active component of the metal oxide made from method as antichlor, so that the duct of antichlor, specific surface area, active center distribution Preferably, and the compression strength of antichlor can be effectively improved.
Any of the above-described scheme is preferably, the preparation method, according to implementation sequence, successively specifically includes the following steps:
(1) active component is prepared by urea coprecipitation method；
(2) active component, carrier, shaping assistant are weighed and is uniformly mixed；
(3) distilled water is added, kneading carries out extrusion at paste, forms molding antichlor green body；
(4) molding antichlor green body is dried；
(5) dry antichlor green body is roasted, obtains molding antichlor.
Antichlor preparation method in the present invention prepares active component using urea coprecipitation method, so that active component has Have the advantages that partial size is small, be uniformly dispersed, large specific surface area and chemical component it is uniform.Therefore, using made from urea coprecipitation method Active component of the metal oxide as antichlor, so that the duct of antichlor, specific surface area, active center distribution are preferable, And the compression strength of antichlor can be effectively improved.
Antichlor preparation method of the present invention is by first by a certain amount of active component and shaping assistant and carrier It is sufficiently mixed, is then kneaded into paste, then through extrusion, drying, roasting, antichlor obtained in this way is with higher anti- Compressive Strength and the biggish hydrogen chloride for penetrating chlorosity, can effectively removing in mixed gas reduce the adverse effect to oil refining apparatus.
Antichlor preparation method of the present invention limits drying temperature as 100 ~ 120 DEG C, and drying time is 2 ~ 5h, roasting Burning temperature is 500 ~ 600 DEG C, and calcining time is 3 ~ 6h.It is thereby achieved that under the conditions of lower temperature and in the shorter time It can be prepared by antichlor, advantageously reduce energy consumption in this way, reduce production cost.
Specific embodiment
Summary of the invention for a better understanding of the present invention, is further elaborated With reference to embodiment. Agents useful for same of the present invention, such as nitrate, urea, nitric acid, hydrochloric acid, acetic acid can chemically Reagent Company be bought.
Embodiment 1
A kind of antichlor, preparing raw material includes: active component, carrier and shaping assistant.
In the present embodiment, the active component is the metal composite oxide of CaO and MgO, and carrier is boehmite powder, And carrier and the mass ratio of active component are 1.0.Shaping assistant, according to the percentage meter for accounting for active component and carrier gross mass, For the binder of 50wt.%, the peptizing agent of 4wt.%, 1.5wt.% extrusion aid.
Raw material further includes the distilled water that gouache ratio is 0.2mL/g.
In the present embodiment, the binder is Aluminum sol, is mainly used for enhancing the caking property of antichlor, to improve its resistance to compression Intensity.The peptizing agent is nitric acid, is on the one hand that dechlorination on the other hand can be improved because nitric acid can improve the pore structure of antichlor The compression strength of agent.The extrusion aid is sesbania powder, and the addition of extrusion aid can be such that antichlor smoothly forms.
The antichlor the preparation method is as follows:
(1) the metal composite oxide active component of CaO and MgO is prepared first with urea coprecipitation method: being heavy with urea It is placed in same conical flask with nitrate (calcium nitrate: magnesium nitrate=2:1, molar ratio) and is made into mixed solution, then by shallow lake agent The mixed solution is placed in water-bath reaction and crystallization under the conditions of 80 ~ 100 DEG C, is finally filtered the reaction mixture, filter cake It is washed with distilled water to neutrality, is roasted after drying and metal composite oxide active component is made.It is prepared using urea coprecipitation method Active component, is primarily due to made from urea coprecipitation method that metal composite oxide partial size is small, is uniformly dispersed, large specific surface area And chemical component is uniform.Therefore, the duct of antichlor, specific surface can be made using antichlor active component made from urea precipitation method Product, active center distribution are preferable, and can effectively improve the compression strength of antichlor.
(2) active component for weighing certain mass, by carrier: active component=1.0(mass ratio) boehmite is added Powder, then by the 50% binder Aluminum sol for accounting for active component and carrier gross mass, 4% peptizing agent nitric acid and 1.5% help it is crowded Agent sesbania powder is uniformly mixed with above-mentioned carrier and active component；
(3) distilled water is added by the gouache ratio of 0.2mL/g, and is kneaded into paste；
(4) double screw banded extruder extruded moulding is used, molding antichlor is obtained；
(5) molding antichlor is dried；
(6) antichlor after drying is roasted, finally obtains molding antichlor.
In the present embodiment, drying is dry 5h under the conditions of 100 DEG C, and the roasting is to roast 6h under the conditions of 500 DEG C.
In the present embodiment, in finally obtained molding antichlor, CaO 40wt.%, MgO 20wt.%, remaining is carrier With the content of shaping assistant.
In the present embodiment, the antichlor specific surface area of final molding is 120.973m2▪g-1, Kong Rongwei 0.224cm3▪g-1, Average pore size is 7.420nm.
Taking partial size is that the antichlor of 0.5 ~ 1.0mm is fitted into the absorption fixed bed that internal diameter is 1.0cm, and being passed through HCl content is Adsorption temp is set as 40 DEG C by the nitrogen of 0.698mg/L, is 2097h in HCl gas volume air speed-1Under conditions of evaluate it is de- Chlorine agent penetrates chlorosity, the relation curve of hydrogen chloride content and time in exit gas is drawn, is penetrated when the content of HCl reaches The chlorosity that penetrates that the antichlor is calculated when point (the 10% of HCl input concentration) is 17.12wt.%.
By the compression strength of chemical industry standard HG/T2782-2011 measurement antichlor, using global instrument plant, Jiangyan City The KC-2 digital display granule strength instrument of production, taking 10 length is the molding antichlor of 5mm, measures the pressure resistance of every antichlor Degree, as a result takes its arithmetic mean of instantaneous value, and calculated result shows that the compression strength of finally obtained molding antichlor in the present embodiment is 163N/cm。
Embodiment 2
A kind of antichlor, unlike the first embodiment, in the present embodiment, when preparing active component, calcium nitrate and magnesium nitrate Molar ratio be 4:1, the mass ratio of carrier and active component is 1.1.
In the present embodiment, in finally obtained molding antichlor, the content of CaO is 45wt.%, and the content of MgO is 15wt.%, remaining is carrier and shaping assistant.
In the present embodiment, the specific surface area of finally obtained molding antichlor is 116.3181m2▪g-1, Kong Rongwei 0.192cm3▪g-1, average pore size 6.605nm.
Taking partial size is that the antichlor of 0.5 ~ 1.0mm is fitted into the absorption fixed bed that internal diameter is 1.0cm, and being passed through HCl content is Adsorption temp is set as 40 DEG C by the nitrogen of 0.698mg/L, is 2097h in HCl gas volume air speed-1Under conditions of evaluate it is de- The dechlorination of chlorine agent draws the relation curve of hydrogen chloride content and time in exit gas, when the content of HCl reaches breakthrough point The chlorosity that penetrates that the antichlor is calculated when (the 10% of HCl input concentration) is 26.53wt.%.
By the compression strength of chemical industry standard HG/T2782-2011 measurement antichlor, using global instrument plant, Jiangyan City The KC-2 digital display granule strength instrument of production, taking 10 length is the molding antichlor of 5mm, measures the pressure resistance of every antichlor Degree, as a result takes its arithmetic mean of instantaneous value, and calculated result shows that the compression strength of finally obtained molding antichlor in the present embodiment is 158N/cm。
Embodiment 3
A kind of antichlor, unlike the first embodiment, in the present embodiment, active component is single CaO.Carrier and work Property component mass ratio be 0.9.
Nitrate is adjusted to by the preparation method of the antichlor in the present embodiment on the basis of the preparation method of embodiment 1 Individual calcium nitrate.
In the present embodiment, in finally obtained molding antichlor, the content of CaO is 60wt.%, remaining is carrier and molding Auxiliary agent.
In the present embodiment, the specific surface area of finally obtained molding antichlor is 107.522m2▪g-1, Kong Rongwei 0.150cm3▪g-1, average pore size 5.579nm.
Taking partial size is that the antichlor of 0.5 ~ 1.0mm is fitted into the absorption fixed bed that internal diameter is 1.0cm, and being passed through HCl content is Adsorption temp is set as 40 DEG C by the nitrogen of 0.698mg/L, is 2097h in HCl gas volume air speed-1Under conditions of evaluate it is de- The dechlorination of chlorine agent draws the relation curve of hydrogen chloride content and time in exit gas, when the content of HCl reaches breakthrough point The chlorosity that penetrates that the antichlor is calculated when (the 10% of HCl input concentration) is 46.93wt.%.
By the compression strength of chemical industry standard HG/T2782-2011 measurement antichlor, using global instrument plant, Jiangyan City The KC-2 digital display granule strength instrument of production, taking 10 length is the molding antichlor of 5mm, measures the pressure resistance of every antichlor Degree, as a result takes its arithmetic mean of instantaneous value, and calculated result shows that the compression strength of finally obtained molding antichlor in the present embodiment is 152N/cm。
Embodiment 4.1
As different from Example 3, it takes the antichlor that partial size is 0.5 ~ 1.0mm to be packed into the absorption that internal diameter is 1.0cm to fix In bed, it is passed through the nitrogen that HCl content is 0.698mg/L, adsorption temp is set as 40 DEG C, is in HCl gas volume air speed 3355h-1Under conditions of the dechlorination of antichlor is evaluated, evaluation result shows that the chlorosity that penetrates of the antichlor is 32.91wt.%。
Embodiment 4.2
As different from Example 3, it takes the antichlor that partial size is 0.5 ~ 1.0mm to be packed into the absorption that internal diameter is 1.0cm to fix In bed, it is passed through the nitrogen that HCl content is 0.698mg/L, adsorption temp is set as 40 DEG C, is in HCl gas volume air speed 4193h-1Under conditions of the dechlorination of antichlor is evaluated, evaluation result shows that the chlorosity that penetrates of the antichlor is 29.49wt.%。
Embodiment 4.3
As different from Example 3, it takes the antichlor that partial size is 0.5 ~ 1.0mm to be packed into the absorption that internal diameter is 1.0cm to fix In bed, it is passed through the nitrogen that HCl content is 1.496mg/L, adsorption temp is set as 40 DEG C, is in HCl gas volume air speed 2097h-1Under conditions of the dechlorination of antichlor is evaluated, evaluation result is shown to be 52.49wt.%.
Embodiment 4.4
As different from Example 3, it takes the antichlor that partial size is 0.5 ~ 1.0mm to be packed into the absorption that internal diameter is 1.0cm to fix In bed, it is passed through the nitrogen that HCl content is 3.128mg/L, adsorption temp is set as 40 DEG C, is in HCl gas volume air speed 2097h-1Under conditions of the dechlorination of antichlor is evaluated, evaluation result shows that the chlorosity that penetrates of the antichlor is 66.67wt.%。
This group of embodiment has investigated the gas volume air speed of containing hydrogen chloride and the gas of containing hydrogen chloride by changing operating condition Bulk concentration penetrates the influence of chlorosity to antichlor.
Embodiment 5.1
A kind of antichlor, preparing raw material includes: active component, carrier and shaping assistant.
In the present embodiment, the active component is the metal composite oxide of CaO and MgO.Carrier is boehmite powder, And carrier and the mass ratio of active component are 0.9.Shaping assistant, according to the percentage meter for accounting for active component and carrier gross mass, For the extrusion aid of the binder of 30wt.%, the peptizing agent of 3wt.% and 1.0wt.%.
Raw material further includes the distilled water that gouache ratio is 0.1mL/g.
In the present embodiment, the binder is Aluminum sol, and the peptizing agent is nitric acid, and the extrusion aid is sesbania powder.
The antichlor the preparation method is as follows:
(1) active component CaO and MgO are prepared first with urea coprecipitation method: using urea as precipitating reagent, by itself and nitric acid Salt (calcium nitrate: magnesium nitrate=2:1, molar ratio) is configured to mixed solution, and then the mixed solution is placed in water-bath 80 ~ 100 Reaction and crystallization, finally filter the reaction mixture under the conditions of DEG C, and filter cake is washed with distilled water to neutrality, and system is roasted after drying Obtain metal composite oxide active component.
(2) active component for weighing certain mass, by carrier: active component=0.9(mass ratio) boehmite is added Then powder will account for the binder Aluminum sol, 3% peptizing agent nitric acid and 1.0% extrusion aid of active component and carrier gross mass 30% Sesbania powder is uniformly mixed with above-mentioned carrier and active component；
(3) distilled water is added by the gouache ratio of 0.1mL/g, and is kneaded into paste；
(4) double screw banded extruder extruded moulding is used, molding antichlor is obtained；
(5) molding antichlor is dried；
(6) antichlor after drying is roasted, finally obtains molding antichlor.
In the present embodiment, drying is dry 3h under the conditions of 110 DEG C, and the roasting is to roast 4h under the conditions of 550 DEG C.
In the present embodiment, in finally obtained molding antichlor, CaO 40wt.%, MgO 20wt.%, remaining is carrier With shaping assistant.
In the present embodiment, the specific surface area of the antichlor of final molding is 120.973m2▪g-1, Kong Rongwei 0.224cm3▪g-1, average pore size 7.420nm.
Taking partial size is that the antichlor of 0.5 ~ 1.0mm is fitted into the absorption fixed bed that internal diameter is 1.0cm, and being passed through HCl content is Adsorption temp is set as 40 DEG C by the nitrogen of 0.698mg/L, is 2097h in HCl gas volume air speed-1Under conditions of evaluate it is de- The dechlorination of chlorine agent draws the relation curve of hydrogen chloride content and time in exit gas, when the content of HCl reaches breakthrough point The chlorosity that penetrates that the antichlor is calculated when (the 10% of HCl input concentration) penetrates chlorosity as 41.89wt.%.
By the compression strength of chemical industry standard HG/T2782-2011 measurement antichlor, using global instrument plant, Jiangyan City The KC-2 digital display granule strength instrument of production, taking 10 length is the molding antichlor of 5mm, measures the pressure resistance of every antichlor Degree, as a result takes its arithmetic mean of instantaneous value, calculated result shows the compression strength of finally obtained molding antichlor in the present embodiment For 153N/cm.
Embodiment 5.2
A kind of antichlor, preparing raw material includes: active component, carrier and shaping assistant.
In the present embodiment, the active component is the metal composite oxide of CaO and MgO, and carrier is boehmite powder, And carrier and the mass ratio of active component are 1.2.Shaping assistant, according to the percentage meter for accounting for active component and carrier gross mass, For the binder of 60wt.%, the peptizing agent of 5wt.%, 2wt.% extrusion aid.
Raw material further includes the distilled water that gouache ratio is 0.3mL/g.
In the present embodiment, the binder is Aluminum sol, and the peptizing agent is nitric acid, and the extrusion aid is sesbania powder.
The antichlor the preparation method is as follows:
(1) the metal composite oxide active component of CaO and MgO is prepared first with urea coprecipitation method: being with urea It is configured to mixed solution with nitrate (calcium nitrate: magnesium nitrate=2:1, molar ratio), then by the mixed solution by precipitating reagent It is placed in water-bath reaction and crystallization under the conditions of 80 ~ 100 DEG C, is finally filtered the reaction mixture, filter cake is washed with distilled water To neutrality, is roasted after drying and metal composite oxide active component is made.
(2) active component for weighing certain mass, by carrier: active component=1.2(mass ratio) boehmite is added Then powder will account for 60% binder Aluminum sol, 5% peptizing agent nitric acid and 2% extrusion aid of active component and carrier gross mass Sesbania powder is uniformly mixed with above-mentioned carrier and active component；
(3) distilled water is added by the gouache ratio of 0.3mL/g, and is kneaded into paste；
(4) double screw banded extruder extruded moulding is used, molding antichlor is obtained；
(5) molding antichlor is dried；
(6) antichlor after drying is roasted, finally obtains molding antichlor.
In the present embodiment, drying is dry 2h under the conditions of 120 DEG C, and the roasting is to roast 3h under the conditions of 600 DEG C.
In the present embodiment, in finally obtained molding antichlor, CaO 40wt.%, MgO 19wt.%, remaining is carrier With shaping assistant.
In the present embodiment, the antichlor specific surface area of final molding is 120.973m2▪g-1, Kong Rongwei 0.224cm3▪g-1, Average pore size is 7.420nm.
Taking partial size is that the antichlor of 0.5 ~ 1.0mm is fitted into the absorption fixed bed that internal diameter is 1.0cm, and being passed through HCl content is Adsorption temp is set as 40 DEG C by the nitrogen of 0.698mg/L, is 2097h in HCl gas volume air speed-1Under conditions of evaluate it is de- The dechlorination of chlorine agent draws the relation curve of hydrogen chloride content and time in exit gas, when the content of HCl reaches breakthrough point The chlorosity that penetrates that the antichlor is calculated when (the 10% of HCl input concentration) is 18.26wt.%.
By the compression strength of chemical industry standard HG/T2782-2011 measurement antichlor, using global instrument plant, Jiangyan City The KC-2 digital display granule strength instrument of production, taking 10 length is the molding antichlor of 5mm, measures the pressure resistance of every antichlor Degree, as a result takes its arithmetic mean of instantaneous value, and calculated result shows that the compression strength of finally obtained molding antichlor in the present embodiment is 160N/cm。
Embodiment 5.3
A kind of antichlor, preparing raw material includes: active component, carrier and shaping assistant.
In the present embodiment, the active component is the metal composite oxide of CaO and MaO.Carrier is boehmite powder, And carrier and the mass ratio of active component are 1.4.Shaping assistant, according to the percentage meter for accounting for active component and carrier gross mass, For the binder of 70wt.%, the peptizing agent of 6wt.%, 2.5wt.% extrusion aid.
Raw material further includes the distilled water that gouache ratio is 0.4mL/g.
In the present embodiment, the binder is Aluminum sol, and the peptizing agent is nitric acid, and the extrusion aid is sesbania powder.
The antichlor the preparation method is as follows:
(1) the metal composite oxide active component of CaO and MgO is prepared first with urea coprecipitation method: being with urea It is configured to mixed solution with nitrate (calcium nitrate: magnesium nitrate=3:1, molar ratio), then by the mixed solution by precipitating reagent It is placed in water-bath reaction and crystallization under the conditions of 80 ~ 100 DEG C, is finally filtered the reaction mixture, filter cake is washed with distilled water To neutrality, is roasted after drying and metal composite oxide active component is made.
(2) active component for weighing certain mass, by carrier: active component=1.4(mass ratio) boehmite is added Then powder will account for the binder Aluminum sol, 6% peptizing agent nitric acid and 2.5% extrusion aid of active component and carrier gross mass 70% Cyanines powder is filled out to be uniformly mixed with above-mentioned carrier and active component；
(3) distilled water is added by the gouache ratio of 0.4mL/g, and is kneaded into paste；
(4) double screw banded extruder extruded moulding is used, molding antichlor is obtained；
(5) molding antichlor is dried；
(6) antichlor after drying is roasted, finally obtains molding antichlor.
In the present embodiment, drying is dry 5h under the conditions of 110 DEG C, and the roasting is to roast 6h under the conditions of 550 DEG C.
In the present embodiment, in finally obtained molding antichlor, CaO 38wt.%, MgO 18wt.%, remaining is carrier With shaping assistant.
In the present embodiment, the antichlor specific surface area of final molding is 120.973m2▪g-1, Kong Rongwei 0.224cm3▪g-1, Average pore size is 7.420nm.
Taking partial size is that the antichlor of 0.5 ~ 1.0mm is fitted into the absorption fixed bed that internal diameter is 1.0cm, and being passed through HCl content is Adsorption temp is set as 40 DEG C by the nitrogen of 0.698mg/L, is 2097h in HCl gas volume air speed-1Under conditions of evaluate it is de- The dechlorination of chlorine agent draws the relation curve of hydrogen chloride content and time in exit gas, when the content of HCl reaches breakthrough point The chlorosity that penetrates that the antichlor is calculated when (the 10% of HCl input concentration) is 17.09wt.%.
By the compression strength of chemical industry standard HG/T2782-2011 measurement antichlor, using global instrument plant, Jiangyan City The KC-2 digital display granule strength instrument of production, taking 10 length is the molding antichlor of 5mm, measures the pressure resistance of every antichlor Degree, as a result takes its arithmetic mean of instantaneous value, and calculated result shows that the compression strength of finally obtained molding antichlor in the present embodiment is 164N/cm。
Embodiment 5.4
A kind of antichlor, preparing raw material includes: active component, carrier and shaping assistant.
In the present embodiment, the active component is the metal composite oxide of CaO and MaO, and carrier is boehmite powder, And carrier and the mass ratio of active component are 1.5.Shaping assistant, according to the percentage meter for accounting for active component and carrier gross mass, For the binder of 40wt.%, the peptizing agent of 7wt.%, 3wt.% extrusion aid.
Raw material further includes the distilled water that gouache ratio is 0.5mL/g.
In the present embodiment, the binder is Aluminum sol, and the peptizing agent is nitric acid, and the extrusion aid is sesbania powder.
The antichlor the preparation method is as follows:
(1) the metal composite oxide active component of CaO and MgO is prepared first with urea coprecipitation method: being with urea It is configured to mixed solution with nitrate (calcium nitrate: magnesium nitrate=2:1, molar ratio), then by the mixed solution by precipitating reagent It is placed in water-bath reaction and crystallization under the conditions of 80 ~ 100 DEG C, is finally filtered the reaction mixture, filter cake is washed with distilled water To neutrality, is roasted after drying and metal composite oxide active component is made.
(2) active component for weighing certain mass, by carrier: active component=1.5(mass ratio) boehmite is added Then powder will account for the binder Aluminum sol, 7% peptizing agent nitric acid and 3% extrusion aid field of active component and carrier gross mass 40% Cyanines powder is uniformly mixed with above-mentioned carrier and active component；
(3) distilled water is added by the gouache ratio of 0.5mL/g, and is kneaded into paste；
(4) double screw banded extruder extruded moulding is used, molding antichlor is obtained；
(5) molding antichlor is dried；
(6) antichlor after drying is roasted, finally obtains molding antichlor.
In the present embodiment, drying is dry 2h under the conditions of 120 DEG C, and the roasting is to roast 3h under the conditions of 600 DEG C.
In the present embodiment, in finally obtained molding antichlor, CaO 38wt.%, MgO 17wt.%, remaining is carrier With shaping assistant.
In the present embodiment, the specific surface area of the antichlor of final molding is 120.973m2▪g-1, Kong Rongwei 0.224cm3▪g-1, average pore size 7.420nm.
Taking partial size is that the antichlor of 0.5 ~ 1.0mm is fitted into the absorption fixed bed that internal diameter is 1.0cm, and being passed through HCl content is Adsorption temp is set as 40 DEG C by the nitrogen of 0.698mg/L, is 2097h in HCl gas volume air speed-1Under conditions of evaluate it is de- The dechlorination of chlorine agent draws the relation curve of hydrogen chloride content and time in exit gas, when the content of HCl reaches breakthrough point The chlorosity that penetrates that the antichlor is calculated when (the 10% of HCl input concentration) is 16.99wt.%.
By the compression strength of chemical industry standard HG/T2782-2011 measurement antichlor, using global instrument plant, Jiangyan City The KC-2 digital display granule strength instrument of production, taking 10 length is the molding antichlor of 5mm, measures the pressure resistance of every antichlor Degree, as a result takes its arithmetic mean of instantaneous value, calculated result shows the compression strength of finally obtained molding antichlor in the present embodiment For 165N/cm.
Embodiment 5.5
A kind of antichlor, as different from Example 3, the mass ratio of carrier and active component are 0.7.
In the present embodiment, in finally obtained molding antichlor, CaO 65wt.%, remaining is carrier and shaping assistant.
In the present embodiment, the specific surface area of the antichlor of final molding is 107.526m2▪g-1, Kong Rongwei 0.148cm3▪g-1, average pore size 5.583nm.
Taking partial size is that the antichlor of 0.5 ~ 1.0mm is fitted into the absorption fixed bed that internal diameter is 1.0cm, and being passed through HCl content is Adsorption temp is set as 40 DEG C by the nitrogen of 0.698mg/L, is 2097h in HCl gas volume air speed-1Under conditions of evaluate it is de- The dechlorination of chlorine agent draws the relation curve of hydrogen chloride content and time in exit gas, when the content of HCl reaches breakthrough point The chlorosity that penetrates that the antichlor is calculated when (the 10% of HCl input concentration) is 47.38wt.%.
By the compression strength of chemical industry standard HG/T2782-2011 measurement antichlor, using global instrument plant, Jiangyan City The KC-2 digital display granule strength instrument of production, taking 10 length is the molding antichlor of 5mm, measures the pressure resistance of every antichlor Degree, as a result takes its arithmetic mean of instantaneous value, calculated result shows the compression strength of finally obtained molding antichlor in the present embodiment For 157N/cm.
Embodiment 6.1
A kind of antichlor, as different from Example 3, active component MgO.
The preparation method of antichlor, is adjusted to magnesium nitrate hexahydrate for nitrate accordingly in the present embodiment.
Embodiment 6.2
A kind of antichlor, as different from Example 3, active component CuO.
The preparation method of antichlor, is adjusted to Gerhardite for nitrate accordingly in the present embodiment.
Embodiment 6.3
A kind of antichlor, as different from Example 3, active component ZnO.
The preparation method of antichlor, is adjusted to zinc nitrate hexahydrate for nitrate accordingly in the present embodiment.
Embodiment 6.4
A kind of antichlor, as different from Example 2, active component are the metal composite oxide of ZnO and CuO.
Nitrate is adjusted to zinc nitrate hexahydrate and three hydration nitre accordingly by the preparation method of antichlor in the present embodiment Sour copper.
Embodiment 6.5
A kind of antichlor, as different from Example 2, active component are the metal composite oxide of MgO and CuO.
Nitrate is adjusted to magnesium nitrate hexahydrate and three hydration nitre accordingly by the preparation method of antichlor in the present embodiment Sour copper.
Embodiment 6.6
A kind of antichlor, as different from Example 2, active component are the metal composite oxide of MgO and ZnO.
Nitrate is adjusted to magnesium nitrate hexahydrate and six hydration nitre accordingly by the preparation method of antichlor in the present embodiment Sour zinc.
Embodiment 6.7
A kind of antichlor, as different from Example 2, active component are the metal composite oxide of CaO and CuO.
Nitrate is adjusted to calcium nitrate tetrahydrate and three hydration nitre accordingly by the preparation method of antichlor in the present embodiment Sour copper.
Embodiment 6.8
A kind of antichlor, as different from Example 2, active component are the metal composite oxide of CaO and ZnO.
Nitrate is adjusted to calcium nitrate tetrahydrate and six hydration nitre accordingly by the preparation method of antichlor in the present embodiment Sour zinc.
Embodiment 6.9
A kind of antichlor, unlike the first embodiment, the metal composite oxide of active component CaO, MgO and ZnO.
Nitrate is adjusted to calcium nitrate tetrahydrate, six hydration nitre accordingly by the preparation method of antichlor in the present embodiment Sour magnesium and zinc nitrate hexahydrate, and molar ratio is 2:2:1.
Embodiment 6.10
A kind of antichlor, unlike the first embodiment, the metal composite oxide of active component CaO, MgO and ZnO.
Nitrate is adjusted to calcium nitrate tetrahydrate, six hydration nitre accordingly by the preparation method of antichlor in the present embodiment Sour magnesium and zinc nitrate hexahydrate, and molar ratio is 3:1:1.
Embodiment 6.11
A kind of antichlor, unlike the first embodiment, the metal composite oxide of active component CaO, MgO and CuO.
Nitrate is adjusted to calcium nitrate tetrahydrate, six hydration nitre accordingly by the preparation method of antichlor in the present embodiment Sour magnesium and Gerhardite, and molar ratio is 3:1:1.
Embodiment 6.12
A kind of antichlor, unlike the first embodiment, the metal composite oxide of active component ZnO, MgO and CuO.
Nitrate is adjusted to zinc nitrate hexahydrate, six hydration nitre accordingly by the preparation method of antichlor in the present embodiment Sour magnesium and Gerhardite, and molar ratio is 3:1:1.
Embodiment 7.1
A kind of antichlor, unlike the first embodiment, binder are polyvinyl alcohol.Preparation method is adjusted correspondingly.
Embodiment 7.2
A kind of antichlor, unlike the first embodiment, binder are kaolin.Preparation method is adjusted correspondingly.
Embodiment 8.1
A kind of antichlor, unlike the first embodiment, peptizing agent are hydrochloric acid.Preparation method is adjusted correspondingly.
Embodiment 8.2
A kind of antichlor, unlike the first embodiment, peptizing agent are acetic acid.Preparation method is adjusted correspondingly.
Embodiment 9.1
A kind of antichlor, unlike the first embodiment, extrusion aid are oxalic acid.Preparation method is adjusted correspondingly.
Embodiment 9.2
A kind of antichlor, unlike the first embodiment, extrusion aid are citric acid.Preparation method is adjusted correspondingly.
Embodiment 9.3
A kind of antichlor, unlike the first embodiment, extrusion aid are tartaric acid.Preparation method is adjusted correspondingly.It is real Apply example 9.4
A kind of antichlor, unlike the first embodiment, extrusion aid are sesbania powder and oxalic acid.Preparation method carries out corresponding Adjustment.
Embodiment 9.5
A kind of antichlor, unlike the first embodiment, extrusion aid are sesbania powder and citric acid.Preparation method carries out corresponding Adjustment.
Embodiment 9.6
A kind of antichlor, unlike the first embodiment, extrusion aid are sesbania powder and tartaric acid.Preparation method carries out corresponding Adjustment.
Comparative example 1
Scheme disclosed in Chinese invention patent application according to Publication No. CN104492368A, the dechlorination compareed Agent penetrates chlorosity evaluation method according to the antichlor in embodiment 1 and is evaluated, and the obtained chlorosity that penetrates is only 12.38wt.%. It is 99.98N/cm according to the antichlor compression strength that the measurement method of compression strength in embodiment 1 obtains.
Comparative example 2
According to scheme disclosed in embodiment 4 in the Chinese invention patent application of Publication No. CN105617853A, obtain pair According to antichlor, chlorosity evaluation method is penetrated according to the antichlor in the embodiment of the present invention 4.4 and is evaluated, obtained control dechlorination It is 58.73wt.% that agent, which penetrates chlorosity,.The control antichlor compression strength obtained according to the measurement method of compression strength in embodiment 1 For 108.34N/cm.
Comparative example 3
A kind of antichlor, unlike the first embodiment, the metal composite oxide of CaO and MgO, using commercially available CaO and MgO(Sinopharm Chemical Reagent Co., Ltd.), other steps are identical.Antichlor penetrate chlorosity and intensity test also with Embodiment 1 is identical, obtained control antichlor, and penetrating chlorosity is 10.02wt.%, compression strength 138N/cm.
Comparative example 4
A kind of antichlor, as different from Example 3, as the CaO of single active ingredient, using commercially available CaO.Dechlorination Agent penetrates that chlorosity and intensity test are identical as embodiment 4.4, and the chlorosity that penetrates of obtained control antichlor is 21.74wt.%, compression strength 118N/cm.
Comparative example 5
A kind of antichlor, as different from Example 3, the mass ratio of carrier and active component are 1.6:1.Antichlor is worn Saturating chlorosity and intensity test are identical as embodiment 4.4, and the chlorosity that penetrates of obtained control antichlor is 30.17wt.%, resist Compressive Strength is 167N/cm.
Comparative example 6
A kind of antichlor, as different from Example 3, the mass ratio of carrier and active component are 2.0:1.Antichlor is worn Saturating chlorosity and intensity test are identical as embodiment 4.4, and the chlorosity that penetrates of obtained control antichlor is 19.97wt.%, resist Compressive Strength is 189N/cm.
Comparative example 7
A kind of antichlor, as different from Example 3, the mass ratio of carrier and active component are 0.4:1.Antichlor is worn Saturating chlorosity and intensity test are identical as embodiment 4.4, and the chlorosity that penetrates of obtained control antichlor is 57.21wt.%, resist Compressive Strength is 141N/cm.
Comparative example 8
A kind of antichlor, as different from Example 3, the mass ratio of carrier and active component are 0.2:1.Antichlor is worn Saturating chlorosity and intensity test are identical as embodiment 4.4, and the chlorosity that penetrates of obtained control antichlor is 63.74wt.%, resist Compressive Strength is 126N/cm.
Thus, it is possible to find out, antichlor provided by the invention, compression strength is improved, meanwhile, also improve low temperature item Antichlor penetrates chlorosity under part, greatly increases the dechlorination efficiency of antichlor, ensured refinery device efficiently, stablize, peace It runs entirely.
It should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；Although Present invention has been described in detail with reference to the aforementioned embodiments, and those skilled in the art should be understood that: its It is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features It is equivalently replaced；And these are modified or replaceed, various embodiments of the present invention skill that it does not separate the essence of the corresponding technical solution The range of art scheme.

Claims (18)

1. a kind of antichlor is made of active component, carrier, binder, extrusion aid and peptizing agent, the carrier and active component Mass ratio be 0.7~1.5, the binder account for active component and carrier gross mass percentage be 30~70%, it is described to help The percentage that crowded agent accounts for active component and carrier gross mass is 1~3%, and the peptizing agent accounts for active component and carrier gross mass Percentage is 3~7%, and the active component includes the composition metal oxidation of one or more of CaO, MgO, ZnO and CuO Object, the active component the preparation method is as follows: using urea as precipitating reagent, the nitrate of urea and active component is placed in same It is made into mixed solution in conical flask, the mixed solution is then placed in water-bath reaction and crystallization under the conditions of 80~100 DEG C, most The reaction mixture is filtered afterwards, filter cake is washed with distilled water to neutrality, roasts and is made after drying.
2. antichlor as described in claim 1, it is characterised in that: the binder includes Aluminum sol, polyvinyl alcohol or kaolinite Soil.
3. antichlor as claimed in claim 2, it is characterised in that: the peptizing agent includes nitric acid, hydrochloric acid or acetic acid.
4. antichlor as claimed in claim 3, it is characterised in that: the extrusion aid includes sesbania powder and/or polybasic carboxylic acid.
5. antichlor as claimed in claim 4, it is characterised in that: the raw material of the antichlor further includes distilled water.
6. antichlor as claimed in claim 5, it is characterised in that: the additive amount of the distilled water is 0.1~0.5mL water/g Powder.
7. antichlor as claimed in claim 6, it is characterised in that: the carrier is boehmite powder.
8. antichlor as claimed in claim 7, it is characterised in that: include the active group of 30~70wt.% in the antichlor Point.
9. antichlor as claimed in claim 8, it is characterised in that: the antichlor specific surface area is 100~130m2/g。
10. antichlor as claimed in claim 9, it is characterised in that: the aperture of the antichlor is 5~8nm.
11. antichlor as claimed in claim 10, it is characterised in that: 0.10~0.30cm of Kong Rongwei of the antichlor3/g。
12. antichlor as claimed in claim 11, it is characterised in that: the compression strength of the antichlor is higher than 150N/cm.
13. a kind of preparation method such as antichlor of any of claims 1-12, including by active component, carrier, The raw materials such as shaping assistant are mixed, extrusion, drying, it is characterised in that: are further included being roasted, obtained antichlor.
14. preparation method as claimed in claim 13, it is characterised in that: the maturing temperature is 500~600 DEG C.
15. preparation method as claimed in claim 14, it is characterised in that: the calcining time is 3~6h.
16. preparation method as claimed in claim 15, it is characterised in that: the temperature of the drying is 100-120 DEG C.
17. preparation method as claimed in claim 16, it is characterised in that: the time of the drying is 2~5h.
18. preparation method as claimed in claim 17, it is characterised in that: the preparation method specifically includes the following steps:
(1) active component is prepared by urea coprecipitation method；
(2) active component, carrier, shaping assistant are weighed and is uniformly mixed；
(3) distilled water is added, kneading carries out extrusion at paste, forms molding antichlor green body；
(4) molding antichlor green body is dried；
(5) the antichlor green body after drying is roasted, obtains molding antichlor.
CN201610891768.1A 2016-10-12 2016-10-12 A kind of antichlor and preparation method thereof Active CN106334516B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610891768.1A CN106334516B (en) 2016-10-12 2016-10-12 A kind of antichlor and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610891768.1A CN106334516B (en) 2016-10-12 2016-10-12 A kind of antichlor and preparation method thereof

Publications (2)

Publication Number Publication Date
CN106334516A CN106334516A (en) 2017-01-18
CN106334516B true CN106334516B (en) 2019-05-21

Family

ID=57839255

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610891768.1A Active CN106334516B (en) 2016-10-12 2016-10-12 A kind of antichlor and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106334516B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107583417B (en) * 2017-08-31 2019-12-24 沈阳三聚凯特催化剂有限公司 Normal-temperature gas-phase dechlorinating agent and preparation method and application thereof
CN108654567B (en) * 2018-05-14 2020-02-07 东南大学 Medium-high temperature dechlorinating agent for removing HCl gas in flue gas and preparation method thereof
CN110841591A (en) * 2019-10-24 2020-02-28 湖北浚然新材料有限公司 Normal-temperature organic chlorine dechlorinating agent, preparation method and application
CN110882683B (en) * 2019-11-26 2020-07-07 青岛庄信恒瑞催化剂有限公司 Dechlorination deoxidation catalyst and preparation method and application thereof
CN112546844A (en) * 2020-11-20 2021-03-26 沈阳三聚凯特催化剂有限公司 Dechlorinating agent and preparation method thereof
CN114984986B (en) * 2022-07-05 2023-06-16 中国石油大学(北京) Hydrodechlorination catalyst and preparation method and application thereof
CN115487838A (en) * 2022-08-05 2022-12-20 中国石油化工股份有限公司 Hydrodechlorination catalyst, catalyst system and hydrofining process method of high-chlorine-content waste plastic cracking oil
CN115350576A (en) * 2022-09-20 2022-11-18 大唐环境产业集团股份有限公司 Supported magnesium oxide dechlorinating agent and preparation method and application thereof
CN115888804A (en) * 2022-11-10 2023-04-04 山东嘉盛博纳环保科技有限公司 Dechlorinating agent and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1178133A (en) * 1997-09-10 1998-04-08 中国石油化工总公司 High performance dechloridizing agent and preparation thereof
CN101269294A (en) * 2008-05-20 2008-09-24 北京三聚环保新材料股份有限公司 Zincium-calcium dechlorinating agent at normal temperature and its preparing method
CN103386244A (en) * 2013-08-02 2013-11-13 广州博能能源科技有限公司 Dechlorination agent and preparation method thereof
CN104437342A (en) * 2014-12-17 2015-03-25 天津工业大学 High-chloride-capacity liquid-phase dechlorinating agent as well as preparation method and application thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1178133A (en) * 1997-09-10 1998-04-08 中国石油化工总公司 High performance dechloridizing agent and preparation thereof
CN101269294A (en) * 2008-05-20 2008-09-24 北京三聚环保新材料股份有限公司 Zincium-calcium dechlorinating agent at normal temperature and its preparing method
CN103386244A (en) * 2013-08-02 2013-11-13 广州博能能源科技有限公司 Dechlorination agent and preparation method thereof
CN104437342A (en) * 2014-12-17 2015-03-25 天津工业大学 High-chloride-capacity liquid-phase dechlorinating agent as well as preparation method and application thereof

Also Published As

Publication number Publication date
CN106334516A (en) 2017-01-18

Similar Documents

Publication Publication Date Title
CN106334516B (en) A kind of antichlor and preparation method thereof
CN105214720B (en) For motor-vehicle tail-gas NOXThe preparation method of the molecular sieve catalyst of elimination
CN107285334A (en) The method and catalyst of a kind of synthesis in solid state AEI type molecular sieves
DE10202127A1 (en) Spherical, highly active metal supported catalysts
EP3590595A1 (en) Ni-coated al203@si02 catalyst, preparation method thereof and application thereof
CN107469803A (en) Catalyst for recovering sulfur and preparation method thereof
CN104549338A (en) Molybdenum-containing bismuth-containing composite oxide catalyst as well as preparation method and function thereof
CN106391037A (en) Preparation technology of catalyst used for high temperature catalytic decomposition of N2O
CN109772425B (en) Supported catalyst for preparing 1, 4-butynediol and co-producing propiolic alcohol and preparation method and application thereof
EP1379470A2 (en) Iron oxides with a higher degree of refining
CN108097232A (en) It is a kind of for catalyst of preparing chlorine by oxidizing hydrogen chloride and its preparation method and application
CN110841641A (en) Catalyst for preparing sulfur by selective oxidation of hydrogen sulfide and preparation method thereof
CN105817236B (en) A kind of toluene low-temperature combustion catalyst and preparation method thereof
CN106582729A (en) Treatment method of chromium-containing waste catalyst
US20160184806A1 (en) Method for Preparing Ferrite Catalyst
CN107771100A (en) The preparation and use of copper-containing hydrogenation catalyst
CN104741126B (en) A kind of Ca-Ti ore type complex chlorides catalyst and application
CN106881098B (en) Composite oxide catalysts and its preparation method and application
CN106807435B (en) A kind of titanium-based catalyst for recovering sulfur and preparation method thereof
CN105709713A (en) High-silicon aluminum oxide dry glue, and preparation method thereof
CN107790149A (en) Diethylbenzene dehydrogenation and preparation method thereof
CN103483130A (en) Method for synthesizing 1,3-butadiene by adopting Bi/Mo/La/Fe four-component composite oxide catalyst
CN106881099B (en) Catalyst for preparing butadiene by oxidative dehydrogenation of butylene, preparation method and application thereof
CN105582944A (en) Desulphurization catalyst and preparation method thereof as well as hydrocarbon oil desulfurizing method
CN106582675B (en) Prepare the catalyst of styrene

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant