CN104740981B - A kind of carbon disulfide inversion absorption type desulfurizing agent and preparation method thereof - Google Patents
A kind of carbon disulfide inversion absorption type desulfurizing agent and preparation method thereof Download PDFInfo
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Abstract
The present invention provides a kind of preparation method of the lower high concentration carbon disulfide inversion absorption type desulfurizing agent of middle temperature, and the agent has good catalyzing hydrolysis to act on to carbon disulfide, and the end-product hydrogen sulfide for hydrolyzing generation is removed simultaneously.Desulfurizing agent is constituted：Magnetic iron oxide red Fe21.333O32 50 ~ 75%, alkali metal oxide K2O 2 ~ 8%, Detitanium-ore-type TiO25 ~ 15%, γ Al2O35 ~ 20%, molding adhesive 5 ~ 10%.Carbon disulfide is in the range of micro ~ 3000ppm in gas, and desulfurizing agent of the invention is all higher than 99% to carbon bisulfide hydrolytic conversion ratio, with higher Sulfur capacity, up to more than 20%.
Description
Technical field
The present invention relates to carbon disulfide catalyzed conversion-absorption-type desulfurizing agent and preparation method thereof in gas, belong to desulfurization skill
Art field.
Background technology
It is well known that organic sulfur is widely present in the Chemical Manufacture unstripped gas using coal, natural gas and oil as raw material, it
Presence catalyst poisoning during subsequent production can be caused to inactivate.As colm and oven gas are used for the system of synthetic raw gas
The research of the new technology such as standby and coal gas Poly-generation and the conversion of low temperature vapor or new technology, develop and use, remove highly concentrated
The organic sulfur of degree is highly valued.Organic sulfur generally includes cos（) and carbon disulfide COS（CS2) etc., wherein in chemical industry
In unstripped gas, CS2Content is about 10% or so, CS of COS contents2Belong to polar molecule, react as follows in its hydrolytic process：
CS2+H2O→COS+H2S （1）
COS+H2O→CO2+H2S （2）
CS2+CO→2COS （3）
In above process, due to CS2COS can be generated in hydrolytic process, and carbon monoxide and hydrogen sulfide atmosphere can shadows
Ring CS2Hydrolysis conversion, therefore to realize CS2Thoroughly removal it is extremely difficult.In the prior art, Chinese patent
CN10112123A discloses a kind of middle temperature carbon bisulfide hydrolytic catalyst, and it is with ball-type γ-Al2O3As carrier, with alkali gold
Belong to oxide K2O is as accelerative activator, with transition metal oxide zirconium dioxide and rare-earth oxide lanthanum sesquioxide
As modifying agent, by incipient impregnation accelerative activator and modifying agent, it is fired after obtain catalyst sample, the catalyst has
Preferable anti-carbon and the performance without conversion side reaction.
Although above-mentioned catalyst can realize CS under certain condition2Efficient process, but its applicable concentration for the treatment of only
In 200~500mgS/m3, and it is not suitable for high concentration CS2The processing of occasion, and how to explore one kind can be in High Concentration Situation
Under realize CS2Efficient Conversion, the desulfurizing agent absorbed, are the still unsolved problems of prior art.
The content of the invention
In order to solve CS of the prior art2Hydrolyst is not suitable for high concentration CS2The processing of occasion, this hair is provided
A kind of CS2Concentration conversion-absorption-type desulfurizing agent applied widely is removed, present invention also offers the preparation side of the desulfurizing agent
Method.
The present invention solve above-mentioned technical problem technical scheme be：
A kind of desulfurizing agent of catalyzed conversion-absorption-type carbon disulfide, including following components：
Magnetic iron oxide red Fe21.333O32, 50~75 parts by weight；
Detitanium-ore-type TiO2, 5~15 parts by weight；
K2O, 2~8 parts by weight；
γ-Al2O3, 5~20 parts by weight；
Binding agent, 5~10 parts by weight.
The binding agent is the one or more in bentonite, kaolin, attapulgite or foreign earthenware soil.
The preparation method of the desulfurizing agent of the catalyzed conversion-absorption-type carbon disulfide, including：
（1）By alkali than the FeSO for 1~1.14Solution is mixed with alkaline substance solution or solid, after precipitation, filtering,
Roasting obtains magnetic iron oxide red Fe under the conditions of 250~400 DEG C21.333O32；Or
By alkali than the FeSO for 1~1.14Solid and the mixing of alkaline matter solid, after kneading, washing, filtering,
Roasting obtains magnetic iron oxide red Fe under the conditions of 250~400 DEG C21.333O32；
（2）By the magnetic iron oxide red Fe of 50~75 parts by weight21.333O32, 5~15 parts by weight Detitanium-ore-type TiO2、2
The K of~8 parts by weight2O, 5~20 parts by weight γ-Al2O3Mixed with the binding agents of 5~10 parts by weight, through normal temperature roller forming,
The desulfurizing agent is prepared after drying.
Step（1）In sintering temperature be 350 DEG C, roasting time be 2~5h.
The alkaline matter is hydroxide, the Na of IA races2CO3, (NH4)2CO3、K2CO3、NaHCO3、NH4HCO3、KHCO3
In one or more.
Step（2）In the Detitanium-ore-type TiO2、K2O and γ-Al2O3, by the metatitanic acid of 6.1-18.4 parts by weight,
2.9-11.7 the K of parts by weight2CO3After the boehmite mixing of 5.9-23.5 parts by weight, it is calcined under the conditions of 500-700 DEG C
Obtain.
The preparation method of the metatitanic acid is：
Titanium white by product thing ferrous sulfate solid is dissolved in water, 40~100 DEG C are heated to, plus acid for adjusting pH value is 1~2,
Plus flocculant is precipitated, metatitanic acid is produced through filtering.
The titanium white by product thing ferrous sulfate solid is dissolved in water in obtained solution, FeSO4Concentration for 1~
2.5mol/L。
Acid adding regulation acid used is from the one or more in nitric acid, hydrochloric acid, sulfuric acid.
The preparation method of the desulfurizing agent of catalyzed conversion of the present invention-absorption-type carbon disulfide, step（1）It is 1 by alkali ratio
~1.1 FeSO4Solution is mixed with alkaline substance solution or solid, after precipitation, filtering, is calcined under the conditions of 250~400 DEG C
Filter cake is to obtain magnetic iron oxide red Fe21.333O32；Wherein FeSO4Solution can occur after being mixed with alkaline substance solution or solid
Reaction generation precipitation, as preferred embodiment, after filtration, first can be washed, then be calcined to filter cake.
Or above-mentioned reaction also can be by the way of solid phase reaction：By alkali than the FeSO for 1~1.14Solid and basic species
Matter solid is mixed, after kneading, washing, filtering, and roasting obtains magnetic iron oxide red under the conditions of 250~400 DEG C
Fe21.333O32。
Step（2）By the magnetic iron oxide red Fe of 50~75 parts by weight21.333O32, 5~15 parts by weight Detitanium-ore-types
TiO2, 2~8 parts by weight K2O, 5~20 parts by weight γ-Al2O3Mixed with the binding agent of 5~10 parts by weight, through normal temperature spin
The desulfurizing agent is prepared after shaping, drying.As preferred embodiment, the present invention limits the Detitanium-ore-type
TiO2、K2O and γ-Al2O3, by the metatitanic acid of 6.1-18.4 parts by weight（TiO(OH)2）, 2.9-11.7 parts by weight K2CO3With
5.9-23.5 the boehmite of parts by weight（Monohydrate alumina）After mixing, it is calcined and obtains under the conditions of 500-700 DEG C.Through this
Inventor's research discovery, the metatitanic acid, K2CO3It is calcined the Detitanium-ore-type TiO prepared jointly with boehmite2、
K2O and γ-Al2O3Mixture, during desulfurizing agent for preparing the catalyzed conversion-absorption-type carbon disulfide, the desulfurizing agent
With abnormal excellent Sulfur capacity.
The advantage of the desulfurizing agent of the catalyzed conversion that the present invention is provided-absorption-type carbon disulfide is：
（1）The desulfurizing agent of the catalyzed conversion that the present invention is provided-absorption-type carbon disulfide, by magnetic iron oxide red
Fe21.333O32, Detitanium-ore-type TiO2, alkali metal oxide K2O、γ-Al2O3And binding agent is constituted, the desulfurizing agent in the present invention
Can be under middle temperature by CS in gas2Convert and absorb, CS under High Concentration Situation can be achieved in concentration wide adaptation range2Essence take off
Remove, desulfurizing agent is under mesophilic condition using there is very high Sulfur capacity.The Detitanium-ore-type TiO of Optimum Contents in the present invention2, alkali gold
Belong to oxide K2O、γ-Al2O3With magnetic iron oxide red Fe21.333O32It is engaged so that the desulfurizing agent has what is optimized very much
Basic activated center, even in high concentration CS2Under the conditions of can also reach extraordinary conversion-assimilation effect.
（2）The desulfurizing agent of the catalyzed conversion that the present invention is provided-absorption-type carbon disulfide, further defines the anatase titanium dioxide TiO2For
Reclaim and obtain in titanium white by product thing ferrous sulfate, Titanium White Production By Sulfuric Acid Process is with ilmenite（FeTiO3）For raw material, sulfuric acid is used
Decomposing ore, titanium and iron turn into sulfate and dissolved, and subsequent iron is with ferrous sulfate solid (FeSO4·7H2O form crystallization)
Separate out, separated with titanium liquid, the principal by product as production titanium white, probably containing 5% Ti in this ferrous sulfate solid, extremely
Untill the present, the by-product ferrous sulfate solid of this Production By Sulfuric Acid Process titanium white is not yet effectively recycled, and the present invention is logical
Cross using the titanium white by product thing, reclaim Ti ions therein and prepare metatitanic acid, so as to effectively reduce being produced into for desulfurizing agent
This.
Brief description of the drawings
It is the magnetic iron oxide red Fe that the present invention is prepared as shown in Figure 121.333O32XRD spectrum.
Embodiment
Embodiment 1
The preparation of metatitanic acid:
By-product ferrous sulfate solid 5kg, the 6L that the adds water dissolving of Titanium White Production By Sulfuric Acid Process, 60 DEG C are weighed in the reactor
Heat 30min, plus acid for adjusting pH value to filter while hot behind 1, plus flocculant polyacrylamide, obtain metatitanic acid solid A, will be described
Metatitanic acid A is in 110 DEG C of dry 1h.
By-product ferrous sulfate solid 1.67kg, the 6L that the adds water dissolving of Titanium White Production By Sulfuric Acid Process is weighed in the reactor,
100 DEG C of heating 30min, plus acid for adjusting pH value obtain metatitanic acid solid B to be filtered while hot behind 2, plus flocculant polyacrylamide,
By the metatitanic acid B in 110 DEG C of dry 1h.
Embodiment 2
Detitanium-ore-type TiO2、K2O and γ-Al2O3Preparation：
By step（1）In metatitanic acid A, K for preparing2CO3Roasted respectively under the conditions of 500 DEG C with boehmite
Burn, prepare Detitanium-ore-type TiO2、K2O and γ-Al2O3。
Embodiment 3
Desulfurizing agent described in the present embodiment contains following component：Magnetic iron oxide red Fe21.333O32, 50 parts by weight；Anatase
Type TiO2, 5 parts by weight；K2O, 2 parts by weight；γ-Al2O3, 5 parts by weight；Bentonite, 5 parts by weight.
The preparation method of the desulfurizing agent of catalyzed conversion described in the present embodiment-absorption-type carbon disulfide is：
（1）Solid FeSO is weighed in beaker4·7H2O500g, adds 454ml water, is placed in 40 DEG C of water-baths and dissolves, completely
After dissolving, Na is added2CO3190g, the alkali ratio of the two is 1；Stir 2h filtered after the completion of precipitation reaction, precipitation, will filter
Cake is calcined 3h at 350 DEG C, obtains magnetic iron oxide red Fe21.333O32.The magnetic iron oxide red Fe prepared21.333O32
XRD spectrum it is as shown in Figure 1.
（2）By magnetic iron oxide red Fe described in 50 parts by weight21.333O32, 5 parts by weight Detitanium-ore-type TiO2, 2 parts by weight K2O、
γ-the Al of 5 parts by weight2O3With the mixing of 5 parts by weight of bentonite, through normal temperature roller forming, it is madeBead, dry after
Obtain the desulfurizing agent.
Detitanium-ore-type TiO described in the present embodiment2、K2O and γ-Al2O3Using what is prepared in embodiment 2.
Embodiment 4
Desulfurizing agent described in the present embodiment contains following component：Magnetic iron oxide red Fe21.333O32, 75 parts by weight；Anatase
Type TiO2, 15 parts by weight；K2O, 8 parts by weight；γ-Al2O3, 20 parts by weight；Foreign earthenware soil, 10 parts by weight.
The preparation method of the desulfurizing agent of catalyzed conversion described in the present embodiment-absorption-type carbon disulfide is：
（1）Weigh solid FeSO4·7H2O500g, weighs solid NaHCO3333g, the alkali ratio of the two is 1.1；Will be above-mentioned
FeSO4·7H2O solids and NaHCO3Solid carries out kneading 2h in sugar-coat Pot devices；The material for completing kneading is washed with water 3 times,
Filtered after completing washing, filter cake is calcined 3h at 350 DEG C, grinding obtains magnetic iron oxide red Fe21.333O32, sieve and take 200
Mesh above fine powder is standby.
（2）By magnetic iron oxide red Fe described in 75 parts by weight21.333O32, 15 parts by weight Detitanium-ore-type TiO2, 8 parts by weight
K2O, 20 parts by weight γ-Al2O3With the foreign earthenware soil mixing of 10 parts by weight, through normal temperature roller forming, it is madeIt is small
Ball, the desulfurizing agent is obtained after drying under conditions.
Detitanium-ore-type TiO described in the present embodiment2、K2O and γ-Al2O3Using what is prepared in embodiment 2.
Embodiment 5
Desulfurizing agent described in the present embodiment contains following component：Magnetic iron oxide red Fe21.333O32, 59 parts by weight；Anatase
Type TiO2, 15 parts by weight；K2O, 8 parts by weight；γ-Al2O3, 16 parts by weight；Attapulgite, 5 parts by weight.
The preparation method of the desulfurizing agent of catalyzed conversion described in the present embodiment-absorption-type carbon disulfide is：
（1）Solid FeSO is weighed in beaker4·7H2O500g, adds 454ml water, is placed in 40 DEG C of water-baths and dissolves, completely
After dissolving, Na is added2CO3190g, the alkali ratio of the two is 1；2h is stirred, suction filtration is washed 3 times, and filter cake is calcined into 3h at 350 DEG C, ground
Mill, obtains magnetic iron oxide red Fe21.333O32, sieve and take 200 mesh above fine powders standby.
（2）By magnetic iron oxide red Fe described in 59 parts by weight21.333O32, 5 parts by weight Detitanium-ore-type TiO2, 8 parts by weight
K2O, 16 parts by weight γ-Al2O3With the mixing of 5 parts by weight attapulgites, through normal temperature roller forming, it is madeBead,
The desulfurizing agent is obtained after drying.
Detitanium-ore-type TiO described in the present embodiment2、K2O and γ-Al2O3By the metatitanic acid B of 6.1 parts by weight, 11.7 weight
The K of part2CO3After the boehmite mixing of 18.8 parts by weight, it is calcined and obtains under the conditions of 500 DEG C.
Embodiment 6
Desulfurizing agent described in the present embodiment contains following component：Magnetic iron oxide red Fe21.333O32, 59 parts by weight；Anatase
Type TiO2, 5 parts by weight；K2O, 2 parts by weight；γ-Al2O3, 5 parts by weight；Bentonite, 10 parts by weight.
The preparation method of the desulfurizing agent of catalyzed conversion described in the present embodiment-absorption-type carbon disulfide is：
（1）Solid FeSO is weighed in beaker4·7H2O500g, adds 454ml water, is placed in 40 DEG C of water-baths and dissolves, completely
After dissolving, Na is added2CO3190g, the alkali ratio of the two is 1；2h is stirred, suction filtration is washed 3 times, and filter cake is calcined into 3h at 350 DEG C, ground
Mill, obtains magnetic iron oxide red Fe21.333O32, sieve and take 200 mesh above fine powders standby.
（2）By magnetic iron oxide red Fe described in 59 parts by weight21.333O32, 5 parts by weight Detitanium-ore-type TiO2, 2 parts by weight
K2O, 5 parts by weight γ-Al2O3With the mixing of 10 parts by weight of bentonite, through normal temperature roller forming, it is madeBead, do
The desulfurizing agent is obtained after dry.
Detitanium-ore-type TiO described in the present embodiment2、K2O and γ-Al2O3By the metatitanic acid A of 6.1 parts by weight, 2.9 parts by weight
K2CO3After the boehmite mixing of 5.9 parts by weight, it is calcined and obtains under the conditions of 700 DEG C.
It is used to prepare magnetic iron oxide red Fe in the present invention21.333O32Alkaline matter, except what is used in above-described embodiment
Na2CO3Outside NaOH, (NH can also be4)2CO3、K2CO3、NH4HCO3、KHCO3And the IA races hydroxide in addition to Na
In one or more；In addition, as preferred embodiment, the anatase titanium dioxide TiO is prepared in the present invention2Metatitanic acid can
Selection is obtained using being reclaimed in titanium white by product thing ferrous sulfate, as selectable embodiment, can also use commercially available work
Industry level metatitanic acid.
The magnetic iron oxide red Fe that the above embodiment of the present invention is prepared21.333O32XRD spectrum it is as shown in Figure 1.
Experimental example
In order to prove the technique effect of catalyzed conversion of the present invention-absorption-type carbon disulfide desulfurizing agent, the present invention is set
Experimental example, the experiment condition of this experimental example is：
Under normal temperature, normal pressure, air speed 500h-1, with N2For spirit, containing CS2For 3000ppm（8571mgS/m3）Standard Gases
Carry out evaluation test, desulfidation tail gas WDL-94 trace sulfur analyzers（Chromatography）Detected, with exit gas CS2Concentration reaches
It is endpoint calculation Sulfur capacity to 20ppm, the detection limit of the instrument is 0.02ppm.
①CS2Hydrolysis conversion
CS2Hydrolysis conversion（%）=（Import CS2Concentration-outlet CS2Concentration）/ import CS2Concentration × 100%
2. product H2S removal efficiencies
H2S removal efficiencies（%）=（Import CS2Concentration-outlet CS2Concentration-outlet COS concentration-outlet H2S concentration）/（Enter
Mouth CS2Concentration-outlet CS2Concentration-outlet COS concentration) × 100%
3. Sulfur capacity
With CS in tail gas2Concentration reaches that 20ppm is endpoint calculation Sulfur capacity
In formula：X represents breakthrough sulphur capacity（%）；C represents the content (%) of COS in mixed gas；V represents that reacted device takes off
Except the volume (L) of the non-COS gases that wet gas flow meter is measured after COS；32 represent the molal weight (g/mol) of sulphur；22.4
Represent perfect gas molal volume under standard state（L/mol）；G represents desulfurizing agent sample（Dry sample）Quality (g).
Measurement result is as shown in the table：
| CS2Hydrolysis conversion | Product H2S removal efficiencies | Export CS2Concentration | Sulfur capacity | |
| Embodiment 1 | >99.9% | >99.9% | <0.02 | 20% |
| Embodiment 2 | >99.9% | >99.9% | <0.02 | 19% |
| Embodiment 3 | >99.9% | >99.9% | <0.02 | 19% |
| Embodiment 4 | >99.9% | >99.9% | <0.02 | 19% |
| Embodiment 5 | >99.9% | >99.9% | <0.02 | 36% |
| Embodiment 6 | >99.9% | >99.9% | <0.02 | 38% |
Comparative example
In order to further prove the technique effect of catalyzed conversion of the present invention-absorption-type carbon disulfide desulfurizing agent, this hair
The bright desulfurizing agent preparation technology that is also provided with comparative example, the comparative example is：
Weigh 86 grams of γ-Al2O3Powder particle as desulfurizing agent carrier, using equi-volume impregnating by 17.44gZr
(NO3)4·5H2O and 5.32 gram of La (NO3)3·6H2The mixed solution of O compositions is immersed in the γ-Al2O3On, impregnate 2 hours
Afterwards, 4 hours are dried under the conditions of 100 DEG C, 4 hours are calcined at 550 DEG C, then using equi-volume impregnating by 10.3 grams
K2CO3It is immersed in and is loaded with Zr and La carrier, dipping dries 4 hours, at 550 DEG C after 2 hours under the conditions of 100 DEG C
It is calcined 4 hours.Finally give 7wt%K2O-5wt%ZrO2-25wt%LaO-86wt%γ-Al2O3Material, through normal temperature spin into
Type, is madeBead, dry after i.e. obtain desulfurizing agent.To the effect of the desulfurizing agent under conditions of described in experimental example
Fruit is tested, and as a result shows, in CS2For under 3000ppm concentration, CS2Hydrolysis conversion is 89%, product H2S removal efficiencies are
92%, Sulfur capacity is 16%.
It was found from test result, heretofore described catalyzed conversion-absorption-type carbon disulfide desulfurizing agent is in high concentration CS2
Under the conditions of have higher CS2Hydrolysis conversion, H2S removal efficiencies and higher Sulfur capacity.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Change the protection domain still in the invention.
Claims (9)
1. the desulfurizing agent of a kind of catalyzed conversion-absorption-type carbon disulfide, it is characterised in that including following components：
Magnetic iron oxide red Fe21.333O32, 50~75 parts by weight；
Detitanium-ore-type TiO2, 5~15 parts by weight；
K2O, 2~8 parts by weight；
γ-Al2O3, 5~20 parts by weight；
Binding agent, 5~10 parts by weight.
2. according to the desulfurizing agent described in claim 1, it is characterised in that the binding agent is bentonite, kaolin, attapulgite
Or the one or more in foreign earthenware soil.
3. the preparation method of the desulfurizing agent of catalyzed conversion described in claim 1 or 2-absorption-type carbon disulfide, including：
(1) by alkali than the FeSO for 1~1.14Solution is mixed with alkaline substance solution or solid, after precipitation, filtering, 250~
Roasting obtains magnetic iron oxide red Fe under the conditions of 400 DEG C21.333O32；Or
By alkali than the FeSO for 1~1.14Solid and the mixing of alkaline matter solid, after kneading, washing, filtering, 250~
Roasting obtains magnetic iron oxide red Fe under the conditions of 400 DEG C21.333O32；
(2) by the magnetic iron oxide red Fe of 50~75 parts by weight21.333O32, 5~15 parts by weight Detitanium-ore-type TiO2, 2~8
The K of parts by weight2O, 5~20 parts by weight γ-Al2O3Mixed with the binding agent of 5~10 parts by weight, through normal temperature roller forming, drying
Prepare the desulfurizing agent afterwards.
4. the preparation method of the desulfurizing agent of catalyzed conversion-absorption-type carbon disulfide according to claim 3, it is characterised in that
Sintering temperature in step (1) is 350 DEG C, and roasting time is 2~5h.
5. the preparation method of the desulfurizing agent of catalyzed conversion-absorption-type carbon disulfide according to claim 3, it is characterised in that
The alkaline matter is hydroxide, the Na of IA races2CO3, (NH4)2CO3、K2CO3、NaHCO3、NH4HCO3、KHCO3In one kind
Or it is a variety of.
6. the preparation method of the desulfurizing agent of catalyzed conversion-absorption-type carbon disulfide according to claim 3, it is characterised in that
The Detitanium-ore-type TiO in step (2)2、K2O and γ-Al2O3, by the metatitanic acid of 6.1-18.4 parts by weight, 2.9-11.7
The K of parts by weight2CO3After the boehmite mixing of 5.9-23.5 parts by weight, it is calcined and obtains under the conditions of 500-700 DEG C.
7. the preparation method of the desulfurizing agent of catalyzed conversion-absorption-type carbon disulfide according to claim 6, it is characterised in that
The preparation method of the metatitanic acid is：
The by-product ferrous sulfate solid of Titanium White Production By Sulfuric Acid Process is dissolved in water, 40~100 DEG C, plus acid for adjusting pH is heated to
It is worth for 1~2, plus flocculant is precipitated, and metatitanic acid is produced through filtering.
8. according to the desulfurizing agent described in claim 7, it is characterised in that the by-product ferrous sulfate solid, which is dissolved in water, to be obtained
Solution in, FeSO4Concentration be 1~2.5mol/L.
9. the preparation method of the desulfurizing agent of catalyzed conversion-absorption-type carbon disulfide according to claim 7 or 8, its feature exists
In acid adding regulation acid used is the one or more in nitric acid, hydrochloric acid, sulfuric acid.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751598.3A CN104740981B (en) | 2013-12-31 | 2013-12-31 | A kind of carbon disulfide inversion absorption type desulfurizing agent and preparation method thereof |
| US15/108,968 US10376836B2 (en) | 2013-12-31 | 2014-12-30 | Desulfurizer for conversion and absorption of high-concentration carbonyl sulfide and a desulfurizer for catalytic conversion and absorption of carbon disulfide and their preparation methods |
| CA2935501A CA2935501C (en) | 2013-12-31 | 2014-12-30 | A desulfurizer for conversion and absorption of high-concentration carbonyl sulfide and a desulfurizer for catalytic conversion and absorption of carbon disulfide and their preparation methods |
| PCT/CN2014/095470 WO2015101275A1 (en) | 2013-12-31 | 2014-12-30 | High-concentration carbonyl sulfide conversion-absorption type desulfurizer and carbon disulfide conversion-absorption type desulfurizer and preparation method thereof |
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| DE4206913A1 (en) * | 1992-03-05 | 1993-09-09 | Kronos Titan Gmbh | CATALYST FOR CARBONYL SULFID HYDROLYSIS |
| CN1048916C (en) * | 1995-08-16 | 2000-02-02 | 南京化学工业(集团)公司催化剂厂 | Organic sulfur hydrolyst and its preparation |
| FR2840295B1 (en) * | 2002-06-03 | 2005-02-04 | Inst Francais Du Petrole | PRODUCT FOR REMOVING SULFUR FROM A LOAD CONTAINING HYDROGEN SULFIDE AND BENZENE, TOLUENE AND / OR XYLENES |
| CN1331596C (en) * | 2005-01-19 | 2007-08-15 | 太原理工大学 | Low-temperature hydrolyst for high concentrated organosulfur and preparation thereof |
| CN103183389B (en) * | 2011-12-29 | 2016-03-09 | 北京三聚环保新材料股份有限公司 | The preparation method of martial ethiops and application and be the catalyzer of active ingredient |
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Address after: 100080 9th floor, Dahang Jiye building, No.1 building, 33 Renmin North Road, Haidian District, Beijing Patentee after: Beijing Haixin Energy Technology Co.,Ltd. Address before: 100080, Beijing, Haidian District people's Congress Road 33, the big line foundation building 9 floor Patentee before: BEIJING SANJU ENVIRONMENTAL PROTECTION & NEW MATERIALS Co.,Ltd. |