CN110280206A - A kind of multi-functional adsorbent and preparation method thereof, application - Google Patents
A kind of multi-functional adsorbent and preparation method thereof, application Download PDFInfo
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- CN110280206A CN110280206A CN201910717456.2A CN201910717456A CN110280206A CN 110280206 A CN110280206 A CN 110280206A CN 201910717456 A CN201910717456 A CN 201910717456A CN 110280206 A CN110280206 A CN 110280206A
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- 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
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- 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
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- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0222—Compounds of Mn, Re
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- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0225—Compounds of Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0233—Compounds of Cu, Ag, Au
- B01J20/0237—Compounds of Cu
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3007—Moulding, shaping or extruding
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3021—Milling, crushing or grinding
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- 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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3042—Use of binding agents; addition of materials ameliorating the mechanical properties of the produced sorbent
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- 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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3071—Washing or leaching
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/104—Oxygen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/108—Hydrogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/502—Carbon monoxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Abstract
The present invention relates to a kind of multi-functional adsorbents and preparation method thereof, application, belong to gas purification technique field in chemical industry.Main technical schemes are as follows: a kind of multi-functional adsorbent is prepared by active component, carrier and binder；The active component is Ni, Cu, Mn or its compound；The carrier is one of aluminium oxide, silica, titanium oxide or several mixing；The binder is the mixing of one or more of diatomite, kaolin, high alumina cement, boehmite, titanate esters.The present invention utilizes domestic mineral resources abundant, low production cost using more metallic compounds as active component；It can be widely applied to the various fields such as semiconductor, optical fiber, steel, chemical industry, there is the powerful market competitiveness.
Description
Technical field
The present invention relates to gas purification technique fields in chemical industry, and in particular to a kind of multi-functional adsorbent and its preparation
Method, application.
Background technique
Hyperpure gas is the indispensable raw material of industrial production.With semiconductor, LED, photovoltaic solar and extensive
The market demand of the fast development of integrated circuit, hyperpure gas increasingly increases.The key problem of hyperpure gas production is in gas
The removing of impurity, wherein the removing of the mainly impurity such as hydrogen, oxygen, carbon monoxide, carbon dioxide, water.
The method for the imurity-removal applied in Patents documents and gas industrial production is divided into two major classes.One kind is catalysis
Add the method for absorption, its working principle is that by reducing impurity in gas, such as hydrogen, carbon monoxide are under the effect of the catalyst
It is chemically reacted with oxidant, generates water and carbon dioxide, reuse the conventional adsorbents such as molecular sieve, deoxidier, silica gel
Water, carbon dioxide in adsorbed gas and the oxygen not reacted completely, realize the purpose of gas purification.It is limited in that: the
One, front end generally uses the noble metals such as palladium, platinum, ruthenium, rhodium, iridium to support for active component and is made using catalyst, is produced into
This is high；Second, catalyst reaction condition requires harsh, the proportion of strict demand reducibility gas and oxidant in use；The
Three, it must assure that the ingredient that cannot generate irreversible Poisoning Effect to catalyst containing sulfide, chloride etc. in gas；The
Four, rear end adsorbent determines that the final removing of impurity in gas is horizontal for the adsorption capacity of impurity and deep adsoptivity, and mesh
Preceding adsorbent in the market it is different degrees of there are adsorption capacities it is low, adsorption deeply is shallow the problems such as.Another method is using multiple
Alloy, which belongs to, is used as getter, and the disposable impurity removed in gas, this method is still remained using temperature is high, safety is low, can be net
Change that gaseous species narrow range, capacity be low, the problem of of being unfavorable for industrial application such as with high costs.
Summary of the invention
It is an object of the invention to solve the above problem involved in existing gas purification technology, provide a kind of multi-functional
Adsorbent and preparation method thereof, application.Technical scheme is as follows:
A kind of multi-functional adsorbent, is prepared by active component, carrier and binder；
The active component is Ni, Cu, Mn or its compound；The symbol of element represents corresponding active component herein, such as
Ni represents simple substance Ni or its compound；
The carrier is one of aluminium oxide, silica, titanium oxide or several mixing；
The binder is one or more of diatomite, kaolin, high alumina cement, boehmite, titanate esters
Mixing.
Further, the active component accounts for the 25~75% of adsorbent gross mass, and wherein Ni and Mn mass ratio are 0.5
~12, Cu and Mn mass ratio are 0.01~1, Ni and Cu mass ratio is 1~41；The symbol of element represents corresponding active group herein
Point, as Ni represents simple substance Ni or its compound；
The carrier accounts for the 15-55% of adsorbent gross mass；
The binder accounts for the 5-25% of adsorbent gross mass.
Further, nickel compound containing in the active component is selected from nickelous carbonate, basic nickel carbonate, nickel hydroxide, oxygen
Change the mixing of one or more of nickel；Compound containing manganese is selected from one of manganese carbonate, manganous hydroxide, manganese dioxide or several
The mixing of kind；The compound of cupric is selected from the mixed of one or more of copper carbonate, basic copper carbonate, Kocide SD, copper oxide
It closes.
The preparation method of the multi-functional adsorbent is claimed in the present invention simultaneously, includes the following steps:
(1) it is crushed to 350 mesh or less respectively after active component, carrier and binder being carried out drying pretreatment；
(2) smashed active component, carrier and binder are mixed, being sufficiently stirred mixes each component uniformly；
(3) spherical, tabletting film-making type or extrusion bar shaped using spin system by step (2) gains；
(4) step (3) gains are subjected to health, clean, dry 6-24h；
(5) step (4) gains are roasted at 350-500 DEG C 4-8h, obtains multi-functional adsorbent after cooling.
The application of the multi-functional adsorbent is claimed in the present invention simultaneously, refer to hydrogen in disposable removing gas,
Oxygen, carbon monoxide, carbon dioxide, water, removing depth are less than 1ppb.
The application of the multi-functional adsorbent is claimed in the present invention simultaneously, refers in hydrogen, oxygen, nitrogen, argon gas, helium
Application in gas bulk gas and organic gas purifying.
Further, the organic gas includes methane, ethylene and propylene.
Beneficial effects of the present invention are as follows:
(1) present invention is using more metallic compounds as active component, and using domestic mineral resources abundant, production cost is low
It is honest and clean；
(2) present invention can disposably remove the impurity such as hydrogen, oxygen, carbon monoxide, carbon dioxide, water in gas,
Removing depth is less than 1ppb at room temperature, be suitable for the bulk gas such as hydrogen, oxygen, nitrogen, argon gas, helium and methane, ethylene,
The purifying of the organic gas such as propylene simplifies gas purification process, is better than existing purification means；
(3) adsorbent of the present invention has imurity-removal capacity high, and removing depth is low, high mechanical strength, resistance to temperature change, pressure
Power variation, raw material fluctuation ability are strong, the characteristics of long service life, and can be used with repeated regeneration, further decrease use at
This.Adsorbent of the present invention can be widely applied to the various fields such as semiconductor, optical fiber, steel, chemical industry, have powerful market competition
Ability.
Specific embodiment
The present invention is described further combined with specific embodiments below, if without specified otherwise, the raw materials used in the present invention
And equipment is the ordinary skill in the art.
Embodiment 1
It takes 100g basic nickel carbonate, 25g basic copper carbonate, 50g manganese carbonate to mix and is crushed to 350 mesh hereinafter, being blended into
100g aluminium oxide, 66g silica and 18g kaolin use sugar coating machine roller forming after evenly mixing, through health, cleaning after molding
It is placed in shady and cool air and dries 12h, roast 6 hours cooled to room temperatures after drying at 400 DEG C, obtain adsorbent, powder
It is broken that be sized to 20 mesh spare.
Embodiment 2
It takes 100g nickel hydroxide, 20g Kocide SD, 80g manganese dioxide to mix and is crushed to 400 mesh hereinafter, being blended into
200g aluminium oxide and 50g tetraethyl titanate use banded extruder extruded moulding after evenly mixing, are placed on after molding through health, cleaning
It is dried in air, roasts 4 hours cooled to room temperatures after drying at 400 DEG C, obtained adsorbent, crush and screen standby to 30 mesh
With.
Embodiment 3
It takes 205g nickelous carbonate, 5g basic copper carbonate, 100g manganese carbonate to mix and is crushed to 350 mesh hereinafter, being blended into 92g oxygen
Change aluminium, 92g silica and 55g kaolin, 110g high alumina cement, use sugar coating machine roller forming after evenly mixing, through supporting after molding
Raw, cleaning is placed in shady and cool air and dries 12h, roasts 4 hours cooled to room temperatures after drying at 400 DEG C, is inhaled
It attached dose, crushes and screens spare to 25 mesh.
Embodiment 4
It takes 346g nickel oxide, 29g basic copper carbonate, 29g manganese oxide to mix and is crushed to 350 mesh hereinafter, being blended into 315g
Silica and 181g high alumina cement, are formed with tabletting machine after evenly mixing, are placed on shady and cool sky through health, cleaning after molding
12h is dried in gas, roasts 6 hours cooled to room temperatures after drying at 400 DEG C, is obtained adsorbent, is crushed and screened to 20 mesh
It is spare.
Embodiment 5
It takes 26g basic nickel carbonate, 26g copper carbonate, 52g manganese carbonate to mix and is crushed to 350 mesh hereinafter, being blended into 229g oxygen
Change titanium and 83g boehmite, formed after evenly mixing with tabletting machine, is placed on shady and cool sky through health, cleaning after molding
12h is dried in gas, roasts 6 hours cooled to room temperatures after drying at 400 DEG C, is obtained adsorbent, is crushed and screened to 20 mesh
It is spare.
Embodiment 6
It takes 367g basic nickel carbonate, 30g basic copper carbonate, 184g manganese carbonate to mix and is crushed to 350 mesh hereinafter, being blended into
116g aluminium oxide and 52g kaolin, 26g high alumina cement use sugar coating machine roller forming after evenly mixing, through health, clear after molding
It washes to be placed in shady and cool air and dries 12h, roast 4 hours cooled to room temperatures after drying at 400 DEG C, obtain adsorbent,
It crushes and screens spare to 30 mesh.
Embodiment 7
The evaluation experimental of imurity-removal effect, experimental determining method are carried out to sample of sorbent prepared by embodiment 1-6
It is as follows:
Activating and regenerating: the stainless steel fixed bed for taking 16ml to be packed into DN19mm by being sized to the sample of sorbent of 20-30 mesh
In reactor, bed ratio of height to diameter 5 is warming up to 150 DEG C under normal pressure, with air speed 100-800h-1It is passed through high-purity hydrogen reduction, was restored
It is gradually heated to 250 DEG C in journey, cools down after restoring 4h, is passed through high pure nitrogen displacement bed, completes spare in life-stylize.
Unstripped gas is prepared: the evaluation unstripped gas of different Balance Airs is configured according to requirement of experiment, unstripped gas Balance Air is respectively
High pure nitrogen, high-purity hydrogen, high purity oxygen gas, high-purity argon gas and high-purity argon gas, wherein containing impurity group become 100ppm hydrogen,
It is several in 10ppm water, 500ppm oxygen, 100ppm carbon monoxide and 100ppm carbon dioxide.
Experimentation: under room temperature (25 DEG C) pressure (0-50kPa), pre-configured standard raw materials gas, raw material are passed through
Gas air speed is 1000-10000h-1.The gaseous impurity content for monitoring reactor outlet in evaluation procedure on-line, obtains the adsorbent
For the purification depth data of gas with various, when a certain impurity content is more than 10ppb in work off one's feeling vent one's spleen, it is believed that the adsorbent for
This impurity absorption saturation, calculates its adsorption capacity.Experimental result is summarized as follows table 1:
Table 1
Table 1 statistics indicate that, embodiment 1 to embodiment 6 is prepared by different ratios of raw materials, molding mode, post-treatment condition
Obtained adsorbent all has good adsorption capacity and adsorption deeply for impurities in feed gas gas component, wherein being directed to
Hydrogen, water, oxygen, carbon monoxide, carbon dioxide adsorption deeply reach even lower than 1ppb.
Embodiment 8
The evaluation experimental of imurity-removal effect after activating and regenerating repeatedly is carried out to sample of sorbent prepared by embodiment 6,
Experimental determining method is as follows:
Activating and regenerating: the stainless steel for taking 16ml to be packed into DN19mm by being sized to 6 sample of sorbent of embodiment of 20-30 mesh
In fixed bed reactors, bed ratio of height to diameter 5 is warming up to 150 DEG C under normal pressure, is passed through high-purity hydrogen also with air speed 100-800h-1
Original is gradually heated to 250 DEG C in reduction process, cools down after restoring 4h, is passed through high pure nitrogen displacement bed, and completion activating and regenerating is standby
With.
Unstripped gas is prepared: configuring evaluation unstripped gas according to requirement of experiment, unstripped gas Balance Air is high pure nitrogen, wherein containing
Impurity group becomes 100ppm hydrogen, 10ppm water, 500ppm oxygen, 100ppm carbon monoxide and 100ppm carbon dioxide.
Experimentation: under room temperature (25 DEG C) pressure (0-50kPa), pre-configured standard raw materials gas, raw material are passed through
Gas air speed is 5000-10000h-1.The gaseous impurity content for monitoring reactor outlet in evaluation procedure on-line, obtains the adsorbent
For the purification depth data of gas with various, when a certain impurity content is more than 10ppb in work off one's feeling vent one's spleen, it is believed that the adsorbent for
This impurity absorption saturation, calculates its adsorption capacity.Adsorbent after adsorption saturation is activated according to activating and regenerating step, so
Experimentation is repeated afterwards and carries out evaluation experimental, and experimental result is summarized as follows table 2:
Table 2
Table 2 statistics indicate that, adsorbent prepared by embodiment 6 is still protected after multiple adsorption saturation activating and regenerating
Hold good adsorption deeply and adsorption capacity.The adsorbent its performance degradation after Reusability 10 times tends towards stability, anti-
Again using after 50 times, the still adsorption capacity with 75% or more is used for the first time relatively.
Embodiment 9
According to consulting literatures and patent, the prior art concentrates on single contaminant in removal gas, with correlation ratio of the invention
Compared in contrast to the following table 3:
Table 3
3 correlation data of table shows that adsorbent of the present invention can disposably remove hydrogen, water, oxygen, carbon monoxide and carbon dioxide
Gas component impurity, and prior art imurity-removal function is relatively single；The absorption of adsorbent imurity-removal component of the present invention is held
Amount is higher than the prior art, and adsorption deeply reaches ppb grades, is better than the prior art；Adsorbent reactivation temperature of the present invention is not higher than existing
Technology, use condition are mild；Adsorbent use cost of the present invention is lower than the prior art.
Above-described embodiment is only intended to citing and explanation of the invention, and is not intended to limit the invention to described
In scope of embodiments.Furthermore it will be appreciated by persons skilled in the art that the present invention is not limited to the above embodiment, according to this hair
Bright introduction can also make more kinds of variants and modifications, these variants and modifications all fall within present invention model claimed
In enclosing.
Claims (7)
1. a kind of multi-functional adsorbent, which is characterized in that be prepared by active component, carrier and binder；
The active component is Ni, Cu, Mn or its compound；
The carrier is one of aluminium oxide, silica, titanium oxide or several mixing；
The binder is the mixing of one or more of diatomite, kaolin, high alumina cement, boehmite, titanate esters.
2. multi-functional adsorbent as described in claim 1, which is characterized in that the active component accounts for adsorbent gross mass
25~75%, wherein Ni and Mn mass ratio are 0.5~12, Cu and Mn mass ratio is 0.01~1, Ni and Cu mass ratio is 1~41；
The carrier accounts for the 15-55% of adsorbent gross mass；
The binder accounts for the 5-25% of adsorbent gross mass.
3. multi-functional adsorbent as described in claim 1, which is characterized in that nickeliferous compound choosing in the active component
From the mixing of one or more of nickelous carbonate, basic nickel carbonate, nickel hydroxide, nickel oxide；Compound containing manganese is selected from carbonic acid
The mixing of one or more of manganese, manganous hydroxide, manganese dioxide；The compound of cupric is selected from copper carbonate, basic copper carbonate, hydrogen
The mixing of one or more of copper oxide, copper oxide.
4. the preparation method of multi-functional adsorbent as described in claim 1, which comprises the steps of:
(1) it is crushed to 350 mesh or less respectively after active component, carrier and binder being carried out drying pretreatment；
(2) smashed active component, carrier and binder are mixed, being sufficiently stirred mixes each component uniformly；
(3) spherical, tabletting film-making type or extrusion bar shaped using spin system by step (2) gains；
(4) step (3) gains are subjected to health, clean, dry 6-24h；
(5) step (4) gains are roasted at 350-500 DEG C 4-8h, obtains multi-functional adsorbent after cooling.
5. the application of multi-functional adsorbent as described in claim 1, which is characterized in that refer to the hydrogen in disposable removing gas
Gas, oxygen, carbon monoxide, carbon dioxide, water, removing depth are less than 1ppb.
6. the application of multi-functional adsorbent as described in claim 1, which is characterized in that refer to hydrogen, oxygen, nitrogen, argon gas,
Application in helium bulk gas and organic gas purifying.
7. the application of multi-functional adsorbent as claimed in claim 6, which is characterized in that the organic gas include methane,
Ethylene and propylene.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250038A (en) * | 2020-03-09 | 2020-06-09 | 临海市利民化工有限公司 | Method for separating and purifying hexafluoropropylene dimer and adsorbent used by same |
| CN111266083A (en) * | 2020-02-18 | 2020-06-12 | 吉林大学 | Manganese-based molecular sieve deoxidizer and preparation method and application thereof |
| CN111841563A (en) * | 2020-07-24 | 2020-10-30 | 湖北华邦化学有限公司 | Low-carbon hydrocarbon dealkynization and deoxidation dual-function catalyst and preparation method and application thereof |
| CN111905803A (en) * | 2020-08-24 | 2020-11-10 | 大连华邦化学有限公司 | Inert gas purification catalyst, raw material composition and preparation method |
| CN111974445A (en) * | 2020-08-24 | 2020-11-24 | 大连华邦化学有限公司 | Inert gas purification catalyst, raw material composition and preparation method |
| CN112495389A (en) * | 2020-11-09 | 2021-03-16 | 大连圣得环保新材料有限公司 | Efficient multifunctional deoxidation catalyst, preparation method and application thereof |
| CN112717685A (en) * | 2020-12-18 | 2021-04-30 | 大连凯特利催化工程技术有限公司 | Purifying agent for removing trace impurities in high-purity gas and preparation method and application thereof |
| CN114392723A (en) * | 2021-12-27 | 2022-04-26 | 正大能源材料(大连)有限公司 | Carbon dioxide adsorbent, preparation method thereof, activation regeneration method and application |
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| CN112495389B (en) * | 2020-11-09 | 2023-03-17 | 大连圣得环保新材料有限公司 | Efficient multifunctional deoxidation catalyst, preparation method and application thereof |
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