CN106111090A - Based on activated alumina modification for compositions purifying grain-drying tail gas and its preparation method and application - Google Patents
Based on activated alumina modification for compositions purifying grain-drying tail gas and its preparation method and application Download PDFInfo
- Publication number
- CN106111090A CN106111090A CN201610584277.2A CN201610584277A CN106111090A CN 106111090 A CN106111090 A CN 106111090A CN 201610584277 A CN201610584277 A CN 201610584277A CN 106111090 A CN106111090 A CN 106111090A
- Authority
- CN
- China
- Prior art keywords
- powder
- preparation
- tail gas
- consumption
- weight portion
- 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.)
- Granted
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
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/262—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
-
- 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
-
- 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
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/502—Carbon monoxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
Abstract
The invention discloses a kind of compositions for purify grain-drying tail gas modified based on activated alumina and its preparation method and application, the method includes: 1) in the presence of protection gas, carry out bentonite calcining with prepared bentonite powder；2) active carbon powder, wheat bran powder, flyash and bentonite powder are placed in acid solution and carry out activation processing with prepared activator mixture；3) MDI, TDI, polyether polyol, activated alumina, titanium potassium oxalate are carried out haptoreaction with prepared Foamex with activator mixture in the presence of ultrasound wave；4) Foamex is pulverized to obtain Foamex powder, then mix anion surfactant, water with Foamex powder to prepare the compositions that be used for purify grain-drying tail gas modified based on activated alumina.Said composition has the detergent power of excellence for purifying grain-drying tail gas, and this preparation method is simple to operate simultaneously, and raw material is easy to get.
Description
Technical field
The present invention relates to purify the compositions of grain-drying tail gas, in particular it relates to one changes based on activated alumina
Property for the compositions purifying grain-drying tail gas and its preparation method and application.
Background technology
Grain drying machine is the assembly of a kind of dehydrator.It it is the general designation of the various equipment of foodstuff drying device.By corn and air-flow
Direction of relative movement, dehydrator can be divided into the patterns such as crossing current, mixed flow, following current, adverse current and concurrent-countercurrent, mixed adverse current, suitable mixed flow.Corn
The operation principle of dehydrator is: first pass through heater and air is heated into hot-air, be then passed through in corn by hot-air
So that corn is heated.
After heat grain completes, the tail gas after hot-air cooling is breathed containing substantial amounts of dust granules and corn and produces
Waste gas.At present, the processing mode of grain-drying tail gas is: entered by tail gas in the pipeline of a root length so that in tail gas
Dust granules can settle down in the duct, is then directly discharged in air by tail gas.This vent gas treatment mode is not only
Needing bigger space and equipment, the effect of the process of tail gas is not very good simultaneously, on the one hand, dust granules has been difficult to
All clear Chu, on the other hand, corn is breathed the waste gas (carbon monoxide that mainly corn anaerobic respiration produces) produced and is not obtained
Solve.
Summary of the invention
It is an object of the invention to provide a kind of group for purify grain-drying tail gas modified based on activated alumina
Compound and its preparation method and application, the compositions prepared by the method has excellence for purifying grain-drying tail gas
Detergent power, this preparation method is simple to operate simultaneously, and raw material is easy to get.
To achieve these goals, the invention provides a kind of based on activated alumina modified for purifying grain-drying
The preparation method of the compositions of tail gas, this preparation method includes:
1) in the presence of protection gas, carry out bentonite calcining with prepared bentonite powder；
2) active carbon powder, wheat bran powder, flyash and bentonite powder are placed in acid solution and carry out activation processing with system
Obtain activator mixture；
3) by MDI (4,4 ,-methyl diphenylene diisocyanate), TDI (toluene di-isocyanate(TDI)), polyether polyol, work
Property aluminium oxide, titanium potassium oxalate, activated alumina and activator mixture in the presence of ultrasound wave, carry out haptoreaction send out to prepare
Bubble resin；
4) Foamex is pulverized to obtain Foamex powder, then by anion surfactant, water and foaming tree
The mixing of cosmetics end is to prepare the compositions for purify grain-drying tail gas modified based on activated alumina.
Present invention also offers a kind of compositions for purify grain-drying tail gas modified based on activated alumina,
Said composition is prepared by above-mentioned method.
Invention further provides a kind of above-mentioned based on activated alumina modified for purifying grain-drying tail
The application in purifying grain-drying tail gas of the compositions of gas.
By technique scheme, the present invention by the synergism of each raw material and each step make to prepare based on activity
The alumina modified compositions for purifying grain-drying tail gas is for having excellence for purification grain-drying tail gas
Detergent power, can not only remove the dust granules in tail gas, corn is breathed simultaneously produce waste gas (mainly corn without
Oxygen breathes the carbon monoxide produced) there is excellent absorbability.Additionally, the preparation method that the present invention provides has step letter
The advantage that list, raw material are easy to get, are easy to popularization.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that described herein specifically
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides a kind of compositions for purify grain-drying tail gas modified based on activated alumina
Preparation method, this preparation method includes:
1) in the presence of protection gas, carry out bentonite calcining with prepared bentonite powder；
2) active carbon powder, wheat bran powder, flyash and bentonite powder are placed in acid solution and carry out activation processing with system
Obtain activator mixture；
3) by MDI (4,4 ,-methyl diphenylene diisocyanate), TDI (toluene di-isocyanate(TDI)), polyether polyol, work
Property aluminium oxide, titanium potassium oxalate and activator mixture in the presence of ultrasound wave, carry out haptoreaction with prepared Foamex；
4) Foamex is pulverized to obtain Foamex powder, then by anion surfactant, water and foaming tree
The mixing of cosmetics end is to prepare the compositions for purify grain-drying tail gas modified based on activated alumina.
Step 1 in above-mentioned preparation method) in, the actual conditions of calcining can select in wide scope, but in order to
Make the compositions prepared that the tail gas purifying grain drying machine is had more excellent detergent power, it is preferable that in step 1) in,
Calcining at least meets following condition: calcining heat is 420-450 DEG C, and calcination time is 4-6h.
Step 1 in above-mentioned preparation method) in, the concrete kind of protection gas can select in wide scope, but from
Consider on protected effect, it is preferable that one or more in nitrogen, helium, neon and argon of protection gas.
Step 2 in above-mentioned preparation method) in, the consumption of each material can select in wide scope, but in order to make
The compositions that must prepare has more excellent detergent power to the tail gas purifying grain drying machine, it is preferable that in step 2) in, phase
For the active carbon powder of 100 weight portions, the consumption of wheat bran powder is 20-26 weight portion, and the consumption of flyash is 12-17 weight
Part, the consumption of bentonite powder is 35-52 weight portion.
Step 2 in above-mentioned preparation method) in, the consumption of acid solution can select in wide scope, but so that
The compositions prepared has more excellent detergent power to the tail gas purifying grain drying machine, it is preferable that in step 2) in, relatively
In the active carbon powder of 100 weight portions, the consumption of acid solution is 300-500 weight portion, and the pH of acid solution is 3.5-5.
Step 2 in above-mentioned preparation method) in, active carbon powder, wheat bran powder, flyash and the particle diameter of bentonite powder
Can select in wide scope, but so that the tail gas purifying grain drying machine is had more excellent by the compositions prepared
Detergent power, it is preferable that in step 2) in, active carbon powder, wheat bran powder, flyash are with the particle diameter of bentonite powder
Less than 10 microns.
Step 2 in above-mentioned preparation method) in, the actual conditions of activation processing can select in wide scope, but
So that the compositions prepared has more excellent detergent power to the tail gas purifying grain drying machine, it is preferable that in step
2) in, activation processing at least meets following condition: activation temperature is 45-50 DEG C, and soak time is 1-1.5h.
Step 3 in above-mentioned preparation method) in, the consumption of each material can select in wide scope, but in order to make
The compositions that must prepare has more excellent detergent power to the tail gas purifying grain drying machine, it is preferable that in step 3) in, phase
For the MDI of 100 weight portions, the consumption of TDI is 15-24 weight portion, and the consumption of polyether polyol is 110-130 weight portion, lives
The consumption of property aluminium oxide is 15-24 weight portion, and the consumption of titanium potassium oxalate is 0.5-2 weight portion, and the consumption of activator mixture is 30-
44 weight portions.
Step 3 in above-mentioned preparation method) in, catalytic actual conditions can select in wide scope, but
So that the compositions prepared has more excellent detergent power to the tail gas purifying grain drying machine, it is preferable that in step
3) in, haptoreaction at least meets following condition: reaction temperature is 60-85 DEG C, and the response time is 6-10h, the frequency of ultrasound wave
For 20-30MHz.
Step 3 in above-mentioned preparation method) in, the concrete kind of polyether polyol can select in wide scope, but
It is so that the compositions prepared has more excellent detergent power to the tail gas purifying grain drying machine, it is preferable that in step
Rapid 3) in, one or more in the polyether polyol of trade mark L61, trade mark L64 and trade mark F68 of polyether polyol.
Step 4 in above-mentioned preparation method) in, the consumption of each material can select in wide scope, but in order to make
The compositions that must prepare has more excellent detergent power to the tail gas purifying grain drying machine, it is preferable that in step 4) in, phase
For the Foamex powder of 100 weight portions, the consumption of anion surfactant is 3-5 weight portion, and the consumption of water is 30-50
Weight portion.
Step 4 in above-mentioned preparation method) in, the particle diameter of Foamex powder can select in wide scope, but
So that the compositions prepared has more excellent detergent power to the tail gas purifying grain drying machine, it is preferable that in step
4), in, the particle diameter of Foamex powder is less than 10 microns.
Step 4 in above-mentioned preparation method) in, the concrete kind of anion surfactant can be selected in wide scope
Select, but so that the compositions prepared has more excellent detergent power to the tail gas purifying grain drying machine, it is preferable that
In step 4) in, anion surfactant selected from sodium lauryl sulphate, dodecylbenzene sodium sulfonate, sodium laurylsulfate and
One or more in dodecyl sodium naphthalene sulfonate.
Present invention also offers a kind of compositions for purify grain-drying tail gas modified based on activated alumina,
Said composition is prepared by above-mentioned method.
Invention further provides a kind of above-mentioned based on activated alumina modified for purifying grain-drying tail
The application in purifying grain-drying tail gas of the compositions of gas.
Hereinafter will be described the present invention by embodiment.
Embodiment 1
1) in the presence of protection gas (nitrogen), carry out bentonite at 430 DEG C calcining 5h with prepared bentonite powder
(below particle diameter 10 μm)；
2) by active carbon powder (below particle diameter 10 μm), wheat bran powder (below particle diameter 10 μm), flyash (particle diameter 10 μm with
Under), bentonite powder mixes according to the weight ratio of 100:24:15:39:400 with acid solution (pH is 4), and lives at 48 DEG C
Change processes 1.2h with prepared activator mixture；
3) by MDI, TDI, polyether polyol (trade mark L61), activated alumina, titanium potassium oxalate and activator mixture according to
100:20:120:19:1.2:34 weight ratio carry out haptoreaction in the presence of the ultrasound wave that frequency is 25MHz and at 75 DEG C
8h is with prepared Foamex；
4) Foamex is pulverized to obtain Foamex powder (less than 10 microns), then by anion surfactant
(sodium lauryl sulphate), water and Foamex powder mix according to 100:4:40 weight ratio and change based on activated alumina to prepare
Property for purifying compositions A1 of grain-drying tail gas.
Embodiment 2
1) in the presence of protection gas (neon), carry out bentonite at 420 DEG C calcining 4h with prepared bentonite powder
(below particle diameter 10 μm)；
2) by active carbon powder (below particle diameter 10 μm), wheat bran powder (below particle diameter 10 μm), flyash (particle diameter 10 μm with
Under), bentonite powder mixes according to the weight ratio of 100:20:12:35:300 with acid solution (pH is 3.5), and carries out at 45 DEG C
Activation processing 1h is with prepared activator mixture；
3) by MDI, TDI, polyether polyol (trade mark L64), activated alumina, titanium potassium oxalate and activator mixture according to
100:15:110:15:0.5:30 weight ratio carry out haptoreaction in the presence of the ultrasound wave that frequency is 20MHz and at 60 DEG C
6h is with prepared Foamex；
4) Foamex is pulverized to obtain Foamex powder (less than 10 microns), then by anion surfactant
(sodium laurylsulfate), water mix to prepare based on activated alumina modified with Foamex powder according to 100:3:30 weight ratio
For purifying compositions A2 of grain-drying tail gas.
Embodiment 3
1) in the presence of protection gas (argon), carry out bentonite at 450 DEG C calcining 6h with prepared bentonite powder
(below particle diameter 10 μm)；
2) by active carbon powder (below particle diameter 10 μm), wheat bran powder (below particle diameter 10 μm), flyash (particle diameter 10 μm with
Under), bentonite powder mixes according to the weight ratio of 100:26:17:52:500 with acid solution (pH is 5), and lives at 50 DEG C
Change processes 1.5h with prepared activator mixture；
3) by MDI, TDI, polyether polyol (trade mark F68), activated alumina, titanium potassium oxalate and activator mixture according to
The weight ratio of 100:24:130:24:2:44 carries out haptoreaction in the presence of the ultrasound wave that frequency is 30MHz and at 85 DEG C
10h is with prepared Foamex；
4) Foamex is pulverized to obtain Foamex powder (less than 10 microns), then by anion surfactant
(dodecyl sodium naphthalene sulfonate), water mix to prepare based on activated alumina according to 100:5:50 weight ratio with Foamex powder
Modified compositions A3 for purifying grain-drying tail gas.
Comparative example 1
Carry out preparing compositions B1, except for the difference that, step 3 according to the method for embodiment 1) in do not use activator mixture.
Comparative example 2
Carry out preparing compositions B2, except for the difference that, step 3 according to the method for embodiment 1) in do not use titanium potassium oxalate.
Comparative example 3
Carry out preparing compositions B3, except for the difference that, step 3 according to the method for embodiment 1) in do not use activated alumina.
Comparative example 4
Carry out preparing compositions B4, except for the difference that, step 4 according to the method for embodiment 1) in do not use anionic surface to live
Property agent.
Detection example 1
Detection purifies PM10.0 in grain-drying tail gas, and (particle diameter is less than or equal to the concentration of the dust granules of 10.0 μm, μ
g/m3) and concentration (the μ g/m of CO3)；Above-mentioned composition is filled in respectively composition filter in double-layer filtering net, then by tail
Edema caused by disorder of QI not Tong Guo filter, then detect the concentration of PM10.0 and CO in the tail gas after purified treatment.
Table 1
By above-described embodiment, comparative example and detection example, what the present invention provided is used for purifying grain-drying tail
The compositions of gas has the detergent power of excellence for purifying grain-drying tail gas.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, in the technology concept of the present invention, technical scheme can be carried out multiple simple variant, this
A little simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to various can
The compound mode of energy illustrates the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this
The thought of invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a preparation method for the compositions for purifying grain-drying tail gas based on activated alumina modification, its feature
Being, described preparation method includes:
1) in the presence of protection gas, carry out bentonite calcining with prepared bentonite powder；
2) active carbon powder, wheat bran powder, flyash and described bentonite powder are placed in acid solution and carry out activation processing with system
Obtain activator mixture；
3) by MDI (4,4 ,-methyl diphenylene diisocyanate), TDI (toluene di-isocyanate(TDI)), polyether polyol, active oxygen
Change aluminum, titanium potassium oxalate carries out haptoreaction with prepared Foamex with described activator mixture in the presence of ultrasound wave；
4) described Foamex is pulverized to obtain Foamex powder, then by anion surfactant, water and described
Bubble toner mixing is to prepare the described compositions for purify grain-drying tail gas modified based on activated alumina.
Preparation method the most according to claim 1, wherein, in step 1) in, described calcining at least meets following condition: forge
Burning temperature and be 420-450 DEG C, calcination time is 4-6h；
Preferably, one or more in nitrogen, helium, neon and argon of described protection gas.
Preparation method the most according to claim 1, wherein, in step 2) in, relative to the described activated carbon of 100 weight portions
Powder, the consumption of described wheat bran powder is 20-26 weight portion, and the consumption of described flyash is 12-17 weight portion, described bentonite
The consumption of powder is 35-52 weight portion；
Preferably, in step 2) in, relative to the described active carbon powder of 100 weight portions, the consumption of described acid solution is 300-500
Weight portion, and the pH of described acid solution is 3.5-5.
Preparation method the most according to claim 3, wherein, in step 2) in, described active carbon powder, wheat bran powder, powder
Coal ash is less than 10 microns with the particle diameter of described bentonite powder；
Preferably, in step 2) in, described activation processing at least meets following condition: activation temperature is 45-50 DEG C, soak time
For 1-1.5h.
5. according to the preparation method described in claim 3 or 4, wherein, in step 3) in, described in 100 weight portions
MDI, the consumption of described TDI is 15-24 weight portion, and the consumption of described polyether polyol is 110-130 weight portion, described active oxygen
The consumption changing aluminum is 15-24 weight portion, and the consumption of described titanium potassium oxalate is 0.5-2 weight portion, the consumption of described activator mixture
For 30-44 weight portion.
Preparation method the most according to claim 5, wherein, in step 3) in, described haptoreaction at least meets following bar
Part: reaction temperature is 60-85 DEG C, the response time is 6-10h, and the frequency of ultrasound wave is 20-30MHz；
Preferably, in step 3) in, described polyether polyol is selected from trade mark L61, trade mark L64 and the polyether polyol of trade mark F68
In one or more.
Preparation method the most according to claim 6, wherein, in step 4) in, relative to the described foaming tree of 100 weight portions
Cosmetics end, the consumption of described anion surfactant is 3-5 weight portion, and the consumption of described water is 30-50 weight portion.
Preparation method the most according to claim 7, wherein, in step 4) in, the particle diameter of described Foamex powder is 10
Below Wei meter；
Preferably, in step 4) in, described anion surfactant is selected from sodium lauryl sulphate, DBSA
One or more in sodium, sodium laurylsulfate and dodecyl sodium naphthalene sulfonate.
9. the compositions for purifying grain-drying tail gas based on activated alumina modification, it is characterised in that described
Compositions is prepared by the method described in any one in claim 1-8.
10. the combination for purifying grain-drying tail gas based on activated alumina modification as claimed in claim 9
Thing application in purifying grain-drying tail gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610584277.2A CN106111090B (en) | 2016-07-23 | 2016-07-23 | The composition and its preparation method and application for purifying grain-drying tail gas being modified based on activated alumina |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610584277.2A CN106111090B (en) | 2016-07-23 | 2016-07-23 | The composition and its preparation method and application for purifying grain-drying tail gas being modified based on activated alumina |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106111090A true CN106111090A (en) | 2016-11-16 |
| CN106111090B CN106111090B (en) | 2018-09-04 |
Family
ID=57289413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610584277.2A Active CN106111090B (en) | 2016-07-23 | 2016-07-23 | The composition and its preparation method and application for purifying grain-drying tail gas being modified based on activated alumina |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106111090B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039290A (en) * | 1972-05-15 | 1977-08-02 | Kureha Kagaku Kogyo Kabushiki Kaisha | Spent activated carbon regenerator |
| CN102631903B (en) * | 2012-05-08 | 2014-05-07 | 福建农林大学 | In-situ preparation method of activated carbon loaded with ionic liquid |
-
2016
- 2016-07-23 CN CN201610584277.2A patent/CN106111090B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039290A (en) * | 1972-05-15 | 1977-08-02 | Kureha Kagaku Kogyo Kabushiki Kaisha | Spent activated carbon regenerator |
| CN102631903B (en) * | 2012-05-08 | 2014-05-07 | 福建农林大学 | In-situ preparation method of activated carbon loaded with ionic liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106111090B (en) | 2018-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101920213B (en) | Low temperature SCR denitration catalyst taking organic metal framework as carrier and preparation method thereof | |
| CN104492471B (en) | Medium-low temperature SCR denitration mesoporous molecular sieve catalyst and preparation method and application method thereof | |
| CN105327698B (en) | Using titanium-containing blast furnace slag as the preparation method of the Novel SCR catalyst for denitrating flue gas of carrier | |
| CN108786911A (en) | A kind of Cu-AEI molecular sieve catalysts and preparation method thereof containing rare earth | |
| CN107008323B (en) | A kind of activated-carbon catalyst preparation method for flue gas desulfurization and denitrification | |
| CN106311310B (en) | A kind of load-type iron-based composite metal catalyst and its preparation method and application | |
| CN104923249B (en) | One kind exempts from calcinated type MnO2‑Fe2O3‑Ce2O3‑CeO2/ CNTs low-temperature denitration catalysts | |
| CN104096569A (en) | Sulfur-resistant and water-proof low temperature catalyst in flue gas denitration and preparation method thereof | |
| CN103537184B (en) | The method that compound scavenger carries out desulphurization denitration is prepared with pickling iron and steel waste residue | |
| CN108246095B (en) | Flue gas denitration agent and preparation method and application thereof | |
| CN110302784A (en) | Grain slag base CO catalysis reduction sulfur dioxide prepares the catalyst and preparation method and application of sulphur | |
| CN105779076B (en) | A kind of preparation method of efficient fuel coal desulfurizing agent | |
| CN106215886B (en) | The composition and its preparation method and application for purifying grain-drying tail gas based on diatomite modified | |
| CN107486008A (en) | Fume treatment agent based on red mud and its preparation method and application | |
| CN106475108B (en) | A kind of multiple-effect denitrating catalyst and preparation method thereof | |
| CN106215887B (en) | The composition and its preparation method and application for purifying grain-drying tail gas being modified based on zeolite powder | |
| CN104971719B (en) | The preparation method of the catalyst reacted for RCO SCR integral types | |
| CN104368331B (en) | A kind of honeycomb fashion SCR denitration end gardening liquid and hardening process | |
| CN106111090A (en) | Based on activated alumina modification for compositions purifying grain-drying tail gas and its preparation method and application | |
| CN106111089B (en) | The composition and its preparation method and application for purifying grain-drying tail gas being modified based on silica gel | |
| CN109824285A (en) | Cement fume desulfurizing agent and its application | |
| CN106040205B (en) | Based on the activated carbon modified composition and its preparation method and application for purifying grain-drying tail gas | |
| CN101838574B (en) | Desulfuration agent and preparation method and application thereof | |
| CN106111102A (en) | It is prone to repeat the efficient class Fenton technology of reaction | |
| CN105833881A (en) | Molybdenum-niobium-based low-temperature denitration catalyst and preparing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210219 Address after: 210000 no.1007, jinrunda Zhongchuang space, Nanjing National Agricultural Innovation Park, No.20 Yanshan Avenue, Pukou District, Nanjing City, Jiangsu Province Patentee after: Jiangsu hot air environmental protection technology Co.,Ltd. Address before: 241000 2nd floor, No.11 workshop, small and medium sized enterprise Pioneer Park, South District, Wuhu hi tech Industrial Development Zone, Anhui Province Patentee before: WUHU CHANGQI FURNACE Co.,Ltd. |
|
| TR01 | Transfer of patent right |