CN101670302A - Regeneration method of inactivated carbonyl sulfide hydrolysis catalyst taking activated carbon as carrier - Google Patents
Regeneration method of inactivated carbonyl sulfide hydrolysis catalyst taking activated carbon as carrier Download PDFInfo
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- CN101670302A CN101670302A CN200910095011A CN200910095011A CN101670302A CN 101670302 A CN101670302 A CN 101670302A CN 200910095011 A CN200910095011 A CN 200910095011A CN 200910095011 A CN200910095011 A CN 200910095011A CN 101670302 A CN101670302 A CN 101670302A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 67
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 35
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical class O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000011069 regeneration method Methods 0.000 title abstract description 15
- 230000007062 hydrolysis Effects 0.000 title abstract description 8
- 238000006460 hydrolysis reaction Methods 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000012153 distilled water Substances 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 29
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 230000002779 inactivation Effects 0.000 claims description 23
- 230000003301 hydrolyzing effect Effects 0.000 claims description 21
- 239000003245 coal Substances 0.000 claims description 11
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 10
- 244000060011 Cocos nucifera Species 0.000 claims description 10
- 238000009418 renovation Methods 0.000 claims description 10
- 239000003610 charcoal Substances 0.000 claims description 9
- 238000002803 maceration Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 229910044991 metal oxide Inorganic materials 0.000 claims description 7
- 150000004706 metal oxides Chemical class 0.000 claims description 7
- 238000002604 ultrasonography Methods 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 18
- 238000001035 drying Methods 0.000 abstract description 12
- 238000006243 chemical reaction Methods 0.000 abstract description 11
- 230000008929 regeneration Effects 0.000 abstract description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 abstract 2
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 239000013064 chemical raw material Substances 0.000 abstract 1
- 235000017557 sodium bicarbonate Nutrition 0.000 abstract 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 abstract 1
- 235000017550 sodium carbonate Nutrition 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000000969 carrier Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 230000009849 deactivation Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Abstract
The invention provides a regeneration method of an inactivated carbonyl sulfide hydrolysis catalyst taking activated carbon as a carrier. The regeneration method comprises the following steps: roasting an inactivated catalyst for 3-4 hours at the temperature of 150-300 DEG C in a tube furnace; then washing for 20-40 minutes by using distilled water, drying for 3-6 hours at the temperature of 110-130 DEG C, then immersing in alkaline solutions such as Na2CO3 and NaHCO3 for 20-40 minutes, and finally, drying for 3-6 hours at the temperature of 110-130 DEG C to obtain the regenerated catalyst. The regeneration method is simple and can be conducted at normal temperature, roasting process has low temperature and immersing process has simple operation, moreover the immersing liquor can be obtained easily, thus being easy for realizing industrialization; the catalyst after regeneration has high activity, can lead the conversion rate of the COS (carbonyl sulfide) to achieve more than 95% and can be widely used for the removal of the COS in chemical raw material gas.
Description
Technical field
The present invention relates to the renovation process behind a kind of catalysqt deactivation, particularly a kind of is renovation process behind preparing carriers cos (COS) the hydrolyst inactivation with the active carbon.
Background technology
It is unstripped gas that cos (COS) extensively is present in coal, oil, natural gas, in the waste gas that carries out being produced when synthetic ammonia, methanol production and viscose rayon are produced.Cos not only pollutes the environment, but also the meeting corrosion pipeline can cause the catalyst poisoning inactivation in the subsequent production process, thereby influence the quality of postorder chemical products.CN101108339A disclose a kind of in warm hydrolytic catalyst of carbonyl sulfur and preparation method thereof and purposes, with γ-Al
2O
3Be carrier, by adding V
2O
5Change catalyst and form the sulfate resistance voltinism energy that improves under the catalyst medium temperature condition, be difficult to regeneration behind this catalysqt deactivation.Because the catalyst behind the inactivation still contains the active component of high level, therefore be necessary its regeneration to economize on the use of funds, is increased the benefit.The CN1329941A application discloses a kind of renovation process of hydrolytic catalyst of carbonyl sulfur, the sintering temperature height of this method (350～650 ℃), and flow process is longer.
Chinese patent application (application number: 200910094484.X) disclose the application for a patent for invention of denomination of invention for " a kind of catalyst for hydrolyzing carbonyl sulfur and preparation method thereof ", this catalyst carrier is an active carbon, active component is alkaline matter and metal oxide (becoming metal oxide behind the sintering), active carbon is ature of coal and coconut husk, and alkaline matter is NaOH, KOH, KHCO
3, NaHCO
3, K
2CO
3And Na
2CO
3In a kind of, metal oxide is Al (NO
3)
3, Cu (NO
3)
2, Fe (NO
3)
3, Mg (NO
3)
2, Ce (NO
3)
3, Zn (NO
3)
2In one or more.The clean-up effect of this catalyst is fine, when the COS transformation efficiency does not detect H in 90% above time reaction outlet
2S.But this application for a patent for invention does not relate to the regeneration problem behind this catalysqt deactivation.
Summary of the invention
The objective of the invention is, overcome unrenewable deficiency behind the existing hydrolytic catalyst of carbonyl sulfur inactivation, providing a kind of is renovation process behind the hydrolytic catalyst of carbonyl sulfur inactivation of carrier with the active carbon, can regenerate after making the hydrolytic catalyst of carbonyl sulfur inactivation, to economize on resources, increase economic efficiency.
Provided by the invention is renovation process behind the hydrolytic catalyst of carbonyl sulfur inactivation of carrier with the active carbon, specifically is following process steps:
A, will be that the hydrolytic catalyst of carbonyl sulfur of carrier places tube furnace with the active carbon behind the inactivation, at N
2Gas shiled, temperature are under 150～300 ℃ of conditions, roasting 3～4h;
B, with the catalyst after the roasting of A step with distilled water and have wash 20～40min under the auxiliary condition of ultrasonic wave after, at 110～130 ℃ of down dry 3～6h;
C, the dried catalyst of B step is flooded with maceration extract, its immersion condition is: the solid-liquid between catalyst quality and the maceration extract volume is than being 0.5g/ml, ultrasonic wave assistant soakage 20～40min, impregnating agent content in the maceration extract is 8～10% of dry catalyst quality, and said impregnating agent is Na
2CO
3, NaHCO
3, K
2CO
3, KHCO
3, among KOH and the NaOH any one;
D, with the catalyst behind the C step dipping at 110～130 ℃ of down dry 3～6h, promptly obtain regenerated catalyst.
The ultrasonic wave subsidiary conditions of described B step, C step are: adopt the conventional ultrasound instrument, temperature is that 30 ℃, frequency are 28 or the ultrasonic wave subsidiary conditions of 40KHz.
The handled catalyst of the present invention is a Chinese patent application (application number: the catalyst that relates to 200910094484.X), its carrier is an active carbon, active component is alkaline matter and metal oxide (becoming metal oxide behind the sintering), and wherein active carbon is coal mass active carbon and cocoanut active charcoal; Alkaline matter is NaOH, KOH, KHCO
3, NaHCO
3, K
2CO
3And Na
2CO
3In a kind of, metal oxide is Al (NO
3)
3, Cu (NO
3)
2, Fe (NO
3)
3, Mg (NO
3)
2, Ce (NO
3)
3, Zn (NO
3)
2In one or more.
Compare with prior art, the present invention has following advantage or good effect:
1, the renovation process of Cai Yonging is simple, and especially the calcining process temperature is low, and dipping process is simple to operate, can carry out at normal temperature, and maceration extract is simple and easy to, and is easy to realize industrialization.
2, the catalyst activity height after the regeneration can make cos COS conversion ratio reach more than 95%, can be widely used in the removing of cos COS in the material gas.
Description of drawings
Fig. 1 is the influence of catalyst regeneration number of times to catalyst activity.
The specific embodiment
Below in conjunction with embodiment the present invention is described further.
Used decaying catalyst is a preparing carriers with coal mass active carbon and cocoanut active charcoal respectively among the following embodiment, and its preparation process is:
One, take the coal mass active carbon as the agent of preparing carriers Cuiization:
(1) coal mass active carbon is levigate, cross 40～60 orders, wash 3 times with running water and distillation respectively, use NaOH, KOH, the KHCO of 1mol/L then respectively
3In a kind of solution boil 1.5h, be placed in 120 ℃ of thermostatic drying chambers dry 3 hours.(2) take by weighing the Fe (NO of 0.76g
3)
3With 0.05g Cu (NO
3)
2Solid is dissolved in the distilled water of 6.0ml, gets 3.0g above-mentioned (1) dry activated carbon and puts into distilled water, uses ultrasonic instrument, is under the ultrasonic wave subsidiary conditions of 40KHz in frequency, behind the Immesion active carbon 0.5h, is placed in 120 ℃ of thermostatic drying chambers dry 3 hours; (3) active carbon with above-mentioned (2) impregnation drying is placed in the tube furnace, in 500 ℃, N
2Under the gas shiled, calcination activation 3 hours; (4) take by weighing the distilled water that 0.24g KOH is dissolved in 6.0ml, active carbon after above-mentioned (3) roasting is placed in the KOH solution floods 0.5h, drying is 3 hours in 120 ℃ of thermostatic drying chambers, that obtain activity respectively is hydrolytic catalyst of carbonyl sulfur I, II, the III of carrier with the coal mass active carbon, after using inactivation, obtaining respectively behind the inactivation is the hydrolytic catalyst of carbonyl sulfur of carrier with the coal mass active carbon.
Two, take the cocoanut active charcoal as the agent of preparing carriers Cuiization:
(1) cocoanut active charcoal is levigate, cross 40～60 orders, wash 3 times with running water and distillation respectively, use the NaHCO of 1mol/L then respectively
3, K
2CO
3, Na
2CO
3In a kind of solution boil 1.5h, be placed in 120 ℃ of thermostatic drying chambers dry 3 hours.(2) take by weighing the Fe (NO of 0.76g
3)
3With 0.05g Cu (NO
3)
2Solid is dissolved in the distilled water of 6.0ml, gets 3.0g above-mentioned (1) dry activated carbon and puts into distilled water, uses ultrasonic instrument, is under the ultrasonic wave subsidiary conditions of 40KHz in frequency, behind the Immesion active carbon 0.5h, is placed in 120 ℃ of thermostatic drying chambers dry 3 hours; (3) active carbon with above-mentioned (2) impregnation drying is placed in the tube furnace, in 500 ℃, N
2Under the gas shiled, calcination activation 3 hours; (4) take by weighing the distilled water that 0.24g KOH is dissolved in 6.0ml, active carbon after above-mentioned (3) roasting is placed in the KOH solution floods 0.5h, drying is 3 hours in 120 ℃ of thermostatic drying chambers, that obtain activity respectively is hydrolytic catalyst of carbonyl sulfur IV, V, the VI of carrier with the cocoanut active charcoal, after using inactivation, obtaining respectively behind the inactivation is the hydrolytic catalyst of carbonyl sulfur of carrier with the cocoanut active charcoal.
Embodiment 1
To be that the 3g hydrolytic catalyst of carbonyl sulfur I of carrier is put in the conventional tube furnace, at N with the coal mass active carbon behind the above-mentioned inactivation
2Under the gas shiled,, then on the conventional ultrasound instrument, be that 30 ℃, frequency are under the 45KHz ultrasonic wave subsidiary conditions, wash 40min, at 120 ℃ of dry 3h down, afterwards with 0.24gNa with distilled water in temperature in 150 ℃ of roasting temperature 3h
2CO
3Be dissolved in the 6ml distilled water, with dried catalyst soakage wherein, adopt above-mentioned identical ultrasonic instrument, under 30 ℃, 40Hz ultrasonic wave subsidiary conditions, flood 20min, at last in 120 ℃ of dry 3h down.(carry out among the Φ 4mm * 100mm), reaction condition is: get regeneration rear catalyst 0.4g, 70 ℃ of temperature, air speed 1000h at fixed bed reactors for activity of such catalysts test
-1, COS concentration 2565mg/m
3, oxygen concentration 0.5%, the reaction outlet does not detect H
2S, and COS catalyzing hydrolysis clean-up effect such as following table:
| Time (min) | ??60 | ??120 | ??180 | ??240 | ??300 | ??360 | ??420 | ??480 |
| Purification efficiency (%) | ??100 | ??100 | ??100 | ??100 | ??99.5 | ??99 | ??95 | ??90 |
Embodiment 2
To be that the 3g hydrolytic catalyst of carbonyl sulfur II of carrier is placed in the conventional tube furnace N with the coal mass active carbon behind the inactivation
2Protection in 200 ℃ of following roasting 4h, then on the conventional ultrasound instrument, is that 30 ℃, frequency are under the 45KHz ultrasonic wave subsidiary conditions in temperature down, washs 30min with distilled water, at 130 ℃ of dry 3h down, afterwards with 0.3g NaHCO
3Be dissolved in the 6ml distilled water, with dried catalyst soakage wherein, adopt above-mentioned identical ultrasonic instrument, under 30 ℃, 40Hz ultrasonic wave subsidiary conditions, flood 30min, at last in 110 ℃ of dry 6h down.(carry out among the Φ 4mm * 100mm), reaction condition is: 70 ℃ of catalyst 0.4g, temperature, air speed 1000h after getting regeneration at fixed bed reactors for activity of such catalysts test
-1, COS concentration 2245mg/m
3, oxygen concentration 0.5%, the reaction outlet does not detect H
2S, and COS catalyzing hydrolysis clean-up effect such as following table:
| Time (min) | ??60 | ??120 | ??180 | ??240 | ??300 | ??360 | ??420 | ??480 |
| Purification efficiency (%) | ??100 | ??100 | ??100 | ??100 | ??100 | ??100 | ??99 | ??96 |
Embodiment 3
To be that the 3g hydrolytic catalyst of carbonyl sulfur III of carrier is placed in the tube furnace N with the cocoanut active charcoal behind the inactivation
2Protection down; in 250 ℃ of following roasting 3h; then on the conventional ultrasound instrument, be that 30 ℃, frequency are under the 28KHz ultrasonic wave subsidiary conditions in temperature, wash 20min with distilled water; dry 6h under 110 ℃; afterwards 0.27g NaOH is dissolved in the 6ml distilled water, with dried catalyst soakage wherein, adopts above-mentioned identical ultrasonic instrument; under 30 ℃, 40Hz ultrasonic wave subsidiary conditions, flood 40min, at last in 120 ℃ of dry 4h down.(carry out among the Φ 4mm * 100mm), reaction condition is: 70 ℃ of catalyst 0.4g, temperature, air speed 2000h after getting regeneration at fixed bed reactors for activity of such catalysts test
-1, COS concentration 1825mg/m
3, oxygen concentration 0.5%, the reaction outlet does not detect H
2S, and COS catalyzing hydrolysis clean-up effect such as following table:
| Time (min) | ??60 | ??120 | ??180 | ??240 | ??300 | ??360 | ??420 |
| Purification efficiency (%) | ??100 | ??100 | ??100 | ??100 | ??100 | ??99.5 | ??96 |
The catalyst regeneration number of times is seen accompanying drawing 1 to the influence of catalyst activity.
Embodiment 4
To be that the 3g hydrolytic catalyst of carbonyl sulfur IV of carrier is placed on N in the tube furnace with the cocoanut active charcoal behind the inactivation
2Protection down; in 300 ℃ of following roasting 3.5h; then on the conventional ultrasound instrument, be that 30 ℃, frequency are under the 28KHz ultrasonic wave subsidiary conditions in temperature, wash 40min with distilled water; dry 5h under 120 ℃; afterwards 0.24g KOH is dissolved in the 6ml distilled water, with dried catalyst soakage wherein, adopts above-mentioned identical ultrasonic instrument; under 30 ℃, 40Hz ultrasonic wave subsidiary conditions, flood 35min, at last in 130 ℃ of dry 4h.(carry out among the Φ 4mm * 100mm), reaction condition is: 70 ℃ of catalyst 0.4g, temperature, air speed 1500h after getting regeneration at fixed bed reactors for activity of such catalysts test
-1, COS concentration 1785mg/m
3, oxygen concentration 0.5%, the reaction outlet does not detect H
2S, and COS catalyzing hydrolysis clean-up effect such as following table:
| Time (min) | ??60 | ??120 | ??180 | ??240 | ??300 | ??360 | ??420 | ??480 | ??540 |
| Purification efficiency (%) | ??100 | ??100 | ??100 | ??100 | ??100 | ??100 | ??100 | ??100 | ??99 |
Embodiment 5
This embodiment is similar to embodiment 4, is with inactivation Cuiization agent V, and maceration extract KOH is changed into the K of 0.24g
2CO
3COS catalyzing hydrolysis clean-up effect such as following table:
| Time (min) | ??60 | ??120 | ??180 | ??240 | ??300 | ??360 | ??420 | ??480 | ??540 |
| Purification efficiency (%) | ??100 | ??100 | ??100 | ??100 | ??100 | ??100 | ??100 | ??99.5 | ??99 |
Embodiment 6
This embodiment is similar to embodiment 3, is with inactivation Cuiization agent VI, and maceration extract NaOH is changed into the KHCO of 0.3g
3COS catalyzing hydrolysis clean-up effect such as following table:
| Time (min) | ??60 | ??120 | ??180 | ??240 | ??300 | ??360 | ??420 |
| Purification efficiency (%) | ??100 | ??100 | ??100 | ??100 | ??100 | ??99.5 | ??95 |
Claims (3)
1, a kind of is renovation process behind the hydrolytic catalyst of carbonyl sulfur inactivation of carrier with the active carbon, it is characterized in that through following process steps:
A, will be that the hydrolytic catalyst of carbonyl sulfur of carrier is placed on N in the tube furnace with the active carbon behind the inactivation
2Under the protection, in 150～300 ℃ of following roasting 3～4h;
B, with the catalyst after the roasting of A step with distilled water and have wash 20～40min under the auxiliary condition of ultrasonic wave after, at 110～130 ℃ of down dry 3～6h;
C, the dried catalyst of B step is flooded with maceration extract, its immersion condition is: the solid-liquid between catalyst quality and the maceration extract volume is than being 0.5g/ml, ultrasonic wave assistant soakage 20～40min, impregnating agent content in the maceration extract is 8～10% of dry catalyst quality, and impregnating agent is Na
2CO
3, NaHCO
3, K
2CO
3, KHCO
3, among KOH, the NaOH any one;
D, the catalyst that the C step is flooded descend dry 3～6h at 110～130 ℃, promptly get regenerated catalyst.
2, according to claim 1 is renovation process behind the hydrolytic catalyst of carbonyl sulfur inactivation of carrier with the active carbon, it is characterized in that the catalyst of being washed is that application number is the catalyst that relates in the Chinese patent application of 200910094484.X, this catalyst carrier is ature of coal or cocoanut active charcoal, and active component is alkaline matter NaOH, KOH, KHCO
3, NaHCO
3, K
2CO
3And Na
2CO
3In a kind of, and metal oxide Al (NO
3)
3, Cu (NO
3)
2, Fe (NO
3)
3, Mg (NO
3)
2, Ce (NO
3)
3, Zn (NO
3)
2In one or more.
3, according to claim 1 is renovation process behind the hydrolytic catalyst of carbonyl sulfur inactivation of carrier with the active carbon, the ultrasonic wave subsidiary conditions that it is characterized in that described B step, C step are: adopt the conventional ultrasound instrument, temperature is that 30 ℃, frequency are 28 or the ultrasonic wave subsidiary conditions of 40KHz.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910095011A CN101670302B (en) | 2009-09-27 | 2009-09-27 | Regeneration method of inactivated carbonyl sulfide hydrolysis catalyst taking activated carbon as carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910095011A CN101670302B (en) | 2009-09-27 | 2009-09-27 | Regeneration method of inactivated carbonyl sulfide hydrolysis catalyst taking activated carbon as carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101670302A true CN101670302A (en) | 2010-03-17 |
| CN101670302B CN101670302B (en) | 2012-09-05 |
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ID=42017845
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|---|---|---|---|
| CN200910095011A Expired - Fee Related CN101670302B (en) | 2009-09-27 | 2009-09-27 | Regeneration method of inactivated carbonyl sulfide hydrolysis catalyst taking activated carbon as carrier |
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|---|---|
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961654A (en) * | 2010-09-15 | 2011-02-02 | 昆明理工大学 | Method for regenerating carbonyl sulfide hydrolysis catalyst after inactivation |
| CN102500429A (en) * | 2011-11-24 | 2012-06-20 | 昆明理工大学 | Regeneration method after deactivation of carbon disulfide hydrolysis catalyst |
| JP2015080767A (en) * | 2013-10-23 | 2015-04-27 | 三菱重工業株式会社 | Catalyst regeneration method for cos conversion catalyst |
| CN109731562A (en) * | 2019-03-06 | 2019-05-10 | 四川大学 | A kind of two-part regeneration method of porous carbon base desulfurizer |
| CN111744355A (en) * | 2020-05-19 | 2020-10-09 | 福建省气柜设备安装有限公司 | Desulfurization method and desulfurization device for industrial mixed gas |
| CN112206760A (en) * | 2019-07-11 | 2021-01-12 | 中国石化扬子石油化工有限公司 | High-activity carbonyl sulfide hydrolysis catalyst and preparation method thereof |
| CN116099577A (en) * | 2023-04-14 | 2023-05-12 | 中冶建筑研究总院有限公司 | In-situ regeneration device and method for deactivated hydrolysis catalyst |
| CN117504948A (en) * | 2024-01-08 | 2024-02-06 | 成都达奇科技股份有限公司 | Desulfurization catalyst regeneration method and desulfurization catalyst regeneration liquid resource recovery method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1136054C (en) * | 2000-06-20 | 2004-01-28 | 中国石化集团齐鲁石化公司 | Process for regenerating carbonyl sulfur hydrolyzing catalyst |
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2009
- 2009-09-27 CN CN200910095011A patent/CN101670302B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961654A (en) * | 2010-09-15 | 2011-02-02 | 昆明理工大学 | Method for regenerating carbonyl sulfide hydrolysis catalyst after inactivation |
| CN101961654B (en) * | 2010-09-15 | 2013-04-10 | 昆明理工大学 | Method for regenerating carbonyl sulfide hydrolysis catalyst after inactivation |
| CN102500429A (en) * | 2011-11-24 | 2012-06-20 | 昆明理工大学 | Regeneration method after deactivation of carbon disulfide hydrolysis catalyst |
| JP2015080767A (en) * | 2013-10-23 | 2015-04-27 | 三菱重工業株式会社 | Catalyst regeneration method for cos conversion catalyst |
| WO2015060251A1 (en) * | 2013-10-23 | 2015-04-30 | 三菱重工業株式会社 | Method for regenerating cos conversion catalyst |
| US9604206B2 (en) | 2013-10-23 | 2017-03-28 | Mitsubishi Heavy Industries, Ltd. | Method for regenerating COS hydrolysis catalyst |
| CN109731562A (en) * | 2019-03-06 | 2019-05-10 | 四川大学 | A kind of two-part regeneration method of porous carbon base desulfurizer |
| CN112206760A (en) * | 2019-07-11 | 2021-01-12 | 中国石化扬子石油化工有限公司 | High-activity carbonyl sulfide hydrolysis catalyst and preparation method thereof |
| CN112206760B (en) * | 2019-07-11 | 2023-05-26 | 中国石化扬子石油化工有限公司 | High-activity carbonyl sulfide hydrolysis catalyst and preparation method thereof |
| CN111744355A (en) * | 2020-05-19 | 2020-10-09 | 福建省气柜设备安装有限公司 | Desulfurization method and desulfurization device for industrial mixed gas |
| CN116099577A (en) * | 2023-04-14 | 2023-05-12 | 中冶建筑研究总院有限公司 | In-situ regeneration device and method for deactivated hydrolysis catalyst |
| CN117504948A (en) * | 2024-01-08 | 2024-02-06 | 成都达奇科技股份有限公司 | Desulfurization catalyst regeneration method and desulfurization catalyst regeneration liquid resource recovery method |
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| Publication number | Publication date |
|---|---|
| CN101670302B (en) | 2012-09-05 |
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