CN1548228A - 一种钴钼系co耐硫变换催化剂、其载体及其制备方法 - Google Patents
一种钴钼系co耐硫变换催化剂、其载体及其制备方法 Download PDFInfo
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- CN1548228A CN1548228A CNA031237657A CN03123765A CN1548228A CN 1548228 A CN1548228 A CN 1548228A CN A031237657 A CNA031237657 A CN A031237657A CN 03123765 A CN03123765 A CN 03123765A CN 1548228 A CN1548228 A CN 1548228A
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- cobalt
- molybdenum
- sulfur
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- 239000003054 catalyst Substances 0.000 title claims abstract description 109
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 31
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000011733 molybdenum Substances 0.000 claims abstract description 28
- 238000001125 extrusion Methods 0.000 claims abstract description 26
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 21
- 239000010941 cobalt Substances 0.000 claims abstract description 21
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000012876 carrier material Substances 0.000 claims abstract description 18
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 17
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 9
- 239000000243 solution Substances 0.000 claims description 26
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 22
- 229910052717 sulfur Inorganic materials 0.000 claims description 22
- 239000011593 sulfur Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 19
- 230000009466 transformation Effects 0.000 claims description 19
- WHDPTDWLEKQKKX-UHFFFAOYSA-N cobalt molybdenum Chemical compound [Co].[Co].[Mo] WHDPTDWLEKQKKX-UHFFFAOYSA-N 0.000 claims description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 229910001593 boehmite Inorganic materials 0.000 claims description 13
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 13
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052700 potassium Inorganic materials 0.000 claims description 11
- 229910002651 NO3 Inorganic materials 0.000 claims description 10
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 10
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 7
- 229910021529 ammonia Inorganic materials 0.000 claims description 7
- 239000011591 potassium Substances 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 150000003624 transition metals Chemical class 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- 238000006424 Flood reaction Methods 0.000 claims description 2
- 239000004480 active ingredient Substances 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 125000000101 thioether group Chemical group 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 238000007654 immersion Methods 0.000 abstract description 2
- 238000004898 kneading Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 abstract 1
- 229910000428 cobalt oxide Inorganic materials 0.000 abstract 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 abstract 1
- 238000010298 pulverizing process Methods 0.000 abstract 1
- 229910052594 sapphire Inorganic materials 0.000 abstract 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 12
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 11
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 11
- 239000007789 gas Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 8
- 229940072033 potash Drugs 0.000 description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
- 235000015320 potassium carbonate Nutrition 0.000 description 8
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 7
- 239000011609 ammonium molybdate Substances 0.000 description 7
- 235000018660 ammonium molybdate Nutrition 0.000 description 7
- 229940010552 ammonium molybdate Drugs 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000006253 efflorescence Methods 0.000 description 6
- 206010037844 rash Diseases 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 206010013786 Dry skin Diseases 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000010335 hydrothermal treatment Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- INPLXZPZQSLHBR-UHFFFAOYSA-N cobalt(2+);sulfide Chemical compound [S-2].[Co+2] INPLXZPZQSLHBR-UHFFFAOYSA-N 0.000 description 2
- 230000002079 cooperative effect Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- AFTDTIZUABOECB-UHFFFAOYSA-N [Co].[Mo] Chemical class [Co].[Mo] AFTDTIZUABOECB-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- 230000002101 lytic effect Effects 0.000 description 1
- 238000002803 maceration Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052961 molybdenite Inorganic materials 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 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
- 239000002994 raw material Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 description 1
- PHQIAQCZFCLYKL-UHFFFAOYSA-N sulfuric acid;tungsten Chemical compound [W].OS(O)(=O)=O PHQIAQCZFCLYKL-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Catalysts (AREA)
Abstract
Description
测试项目 | 本发明的催化剂 | 工业催化剂A | ||||
C-1 | C-2 | C-3 | C-4 | |||
试验前新鲜催化剂 | 强度(N/cm) | 126 | 130 | 119 | 136 | 78.0 |
重量(克) | 10 | 10 | 10 | 10 | 10 | |
水煮试验后 | 强度(N/cm) | 116 | 125 | 108 | 129 | 66 |
保留率(%) | 92.1 | 96.1 | 90.8 | 94.9 | 84.6 | |
重量(克) | 9.4 | 9.8 | 9.6 | 9.8 | 9.0 | |
保留率(%) | 94 | 98 | 96 | 98 | 90 | |
水热处理试验后 | 强度(N/cm) | 113 | 124 | 109 | 128 | 60 |
保留率(%) | 89.6 | 95.4 | 91.6 | 94.1 | 76.9 | |
重量(克) | 9.5 | 9.6 | 9.8 | 9.8 | 8.9 | |
保留率(%) | 95 | 96 | 98 | 98 | 89 |
催化剂 | CO变换率(%) | ||
265℃ | 350℃ | 450℃ | |
C-1 | 8.5 | 39.6 | 36.9 |
C-2 | 9.6 | 41.3 | 32.7 |
C-3 | 10.2 | 46.3 | 41.2 |
C-4 | 8.2 | 36.8 | 35.4 |
工业催化剂A | 6.2 | 32.1 | 29.6 |
实施例5 | 实施例6 | 实施例7 | 实施例8 | 实施例9 | 实施例10 | ||
载体(其中百分数以载体物料为总量) | 载体物料 | δ-AL2O3 | r-AL2O3 | AL(OH)3和α-AL2O3 | δ-AL2O3和拟薄水铝石 | δ-AL2O3和r-AL2O3 | r-AL2O3和拟薄水铝石 |
比例 | 1∶1 | 0.5∶1 | 2∶3 | 4∶5 | |||
活性助剂(按氧化物计) | 5%辉钼矿 | 1.5%硫化钴 | 6%硝酸镍 | 2%硫化钴和1%硫酸钨 | 4%硫化铬和2%硝酸铁 | 2%硫酸钴和2%硫化锰 | |
高效助挤剂 | 2%草酸 | 5%硝酸 | 3%柠檬酸 | 0.5%草酸 | 6%硝酸 | 10%硝酸 | |
焙烧温度(℃) | 500 | 400 | 550 | 650 | 600 | 500 | |
时间(h) | 4 | 8 | 6 | 2 | 3 | 5 | |
共浸液(其中活性成分含量均以其氧化物计) | 5%钼酸铵,1%硝酸钴和8%碳酸钾,用18%的氨水 | 8%钼酸铵,0.5%硝酸钴和15%碳酸钠,用18%的氨水 | 15%钼酸铵,2%硝酸钴和3%碳酸钾,用18%的氨水 | 10%钼酸铵,5%硝酸钴和10%碳酸钠,用18%的氨水 | 12%钼酸铵,3%硝酸钴和5%碳酸钾,用18%的氨水 | 5%钼酸铵,4%硝酸钴和20%碳酸钾,用18%的氨水 | |
载体与共浸液体积比 | 1∶1 | 1∶0.8 | 1∶0.2 | 1∶1 | 1∶0.4 | 1∶0.5 | |
焙烧温度(℃) | 400 | 200(干燥) | 650 | 500 | 100(干燥) | 550 | |
时间(h) | 5 | 6 | 2.5 | 6 | 10 | 4 | |
催化剂(以催化剂为总量) | 钴以CoO计为0.2%,钼以MoO3计为2%,K以K2O计为5% | 钴以CoO计为2%,钼以MoO3计为6%,Na以Na2O计为8% | 钴以CoO计为1.5%,钼以MoO3计为10%,K以K2O计为0.50% | 钴以CoO计为3.0%,钼以MoO3计为5%,Na以Na2O计为5% | 钴以CoO计为0.5%,钼以MoO3计为12%,K以K2O计为1% | 钴以CoO计为2%,钼以MoO3计为1%,K以K2O计为15% |
Claims (10)
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102950010A (zh) * | 2011-08-31 | 2013-03-06 | 中国石油化工股份有限公司 | 一种废旧钴钼系耐硫变换催化剂中钼的利用方法 |
CN104607199A (zh) * | 2015-01-30 | 2015-05-13 | 山东益丰生化环保股份有限公司 | 一种低温耐硫变换催化剂及其制备方法 |
CN106268849A (zh) * | 2016-08-15 | 2017-01-04 | 青岛联信催化材料有限公司 | 一种钴钼系co耐硫变换催化剂及其制备方法 |
CN106552637A (zh) * | 2015-09-30 | 2017-04-05 | 中国石油化工股份有限公司 | 钴钼系低温耐硫变换催化剂及制备方法 |
CN107362806A (zh) * | 2017-07-12 | 2017-11-21 | 青岛联信催化材料有限公司 | 一种等温耐硫变换催化剂及其制备方法 |
CN111250100A (zh) * | 2020-02-25 | 2020-06-09 | 山东科技大学 | 一种合成气耐硫变换脱氧催化剂及其制备方法 |
CN113908845A (zh) * | 2021-11-04 | 2022-01-11 | 华烁科技股份有限公司 | 一种节能环保的制备耐硫变换催化剂的方法 |
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2003
- 2003-05-20 CN CN 03123765 patent/CN1286559C/zh not_active Expired - Lifetime
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102950010B (zh) * | 2011-08-31 | 2015-05-20 | 中国石油化工股份有限公司 | 一种废旧钴钼系耐硫变换催化剂中钼的利用方法 |
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CN104607199A (zh) * | 2015-01-30 | 2015-05-13 | 山东益丰生化环保股份有限公司 | 一种低温耐硫变换催化剂及其制备方法 |
CN104607199B (zh) * | 2015-01-30 | 2015-09-30 | 山东益丰生化环保股份有限公司 | 一种低温耐硫变换催化剂及其制备方法 |
CN106552637A (zh) * | 2015-09-30 | 2017-04-05 | 中国石油化工股份有限公司 | 钴钼系低温耐硫变换催化剂及制备方法 |
CN106552637B (zh) * | 2015-09-30 | 2019-03-29 | 中国石油化工股份有限公司 | 钴钼系低温耐硫变换催化剂及制备方法 |
CN106268849B (zh) * | 2016-08-15 | 2019-04-12 | 青岛联信催化材料有限公司 | 一种钴钼系co耐硫变换催化剂及其制备方法 |
CN106268849A (zh) * | 2016-08-15 | 2017-01-04 | 青岛联信催化材料有限公司 | 一种钴钼系co耐硫变换催化剂及其制备方法 |
CN107362806A (zh) * | 2017-07-12 | 2017-11-21 | 青岛联信催化材料有限公司 | 一种等温耐硫变换催化剂及其制备方法 |
CN111250100A (zh) * | 2020-02-25 | 2020-06-09 | 山东科技大学 | 一种合成气耐硫变换脱氧催化剂及其制备方法 |
CN111250100B (zh) * | 2020-02-25 | 2023-08-25 | 山东科技大学 | 一种合成气耐硫变换脱氧催化剂及其制备方法 |
CN113908845A (zh) * | 2021-11-04 | 2022-01-11 | 华烁科技股份有限公司 | 一种节能环保的制备耐硫变换催化剂的方法 |
CN113908845B (zh) * | 2021-11-04 | 2023-12-22 | 华烁科技股份有限公司 | 一种节能环保的制备耐硫变换催化剂的方法 |
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