JP5448826B2 - シアン化水素の合成ガスからの除去 - Google Patents
シアン化水素の合成ガスからの除去 Download PDFInfo
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- JP5448826B2 JP5448826B2 JP2009534041A JP2009534041A JP5448826B2 JP 5448826 B2 JP5448826 B2 JP 5448826B2 JP 2009534041 A JP2009534041 A JP 2009534041A JP 2009534041 A JP2009534041 A JP 2009534041A JP 5448826 B2 JP5448826 B2 JP 5448826B2
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- cleaning solution
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- 230000015572 biosynthetic process Effects 0.000 title claims description 64
- 238000003786 synthesis reaction Methods 0.000 title claims description 61
- 239000007789 gas Substances 0.000 title claims description 58
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 title claims description 56
- 239000000243 solution Substances 0.000 claims description 81
- 238000004140 cleaning Methods 0.000 claims description 74
- 229910052751 metal Inorganic materials 0.000 claims description 68
- 239000002184 metal Substances 0.000 claims description 68
- 239000007788 liquid Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 35
- 150000003839 salts Chemical class 0.000 claims description 29
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 23
- 239000002253 acid Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 150000001450 anions Chemical class 0.000 claims description 16
- 239000002244 precipitate Substances 0.000 claims description 13
- 239000000047 product Substances 0.000 claims description 13
- 229930195733 hydrocarbon Natural products 0.000 claims description 12
- 150000002430 hydrocarbons Chemical class 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000004215 Carbon black (E152) Substances 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 150000001768 cations Chemical class 0.000 claims description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 5
- 150000007942 carboxylates Chemical class 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- -1 transition metal salts Chemical class 0.000 claims description 5
- 150000007524 organic acids Chemical class 0.000 claims description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 24
- 239000001569 carbon dioxide Substances 0.000 description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 150000002825 nitriles Chemical class 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000010802 sludge Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 238000005188 flotation Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 238000002407 reforming Methods 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000001879 copper Chemical class 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001728 nano-filtration Methods 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000007037 hydroformylation reaction Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
Images
Classifications
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
- C10K1/105—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids containing metal compounds other than alkali- or earth-alkali carbonates, -hydroxides, oxides, or salts of inorganic acids derived from sulfur
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
- C10K1/105—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids containing metal compounds other than alkali- or earth-alkali carbonates, -hydroxides, oxides, or salts of inorganic acids derived from sulfur
- C10K1/106—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids containing metal compounds other than alkali- or earth-alkali carbonates, -hydroxides, oxides, or salts of inorganic acids derived from sulfur containing Fe compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
- C10K1/105—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids containing metal compounds other than alkali- or earth-alkali carbonates, -hydroxides, oxides, or salts of inorganic acids derived from sulfur
- C10K1/108—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids containing metal compounds other than alkali- or earth-alkali carbonates, -hydroxides, oxides, or salts of inorganic acids derived from sulfur containing Cu compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/408—Cyanides, e.g. hydrogen cyanide (HCH)
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (AREA)
- Industrial Gases (AREA)
Description
シアン化水素を含有する合成ガスを気液接触段階に供給すること、
気液接触段階において、合成ガスを、少なくとも1つの溶解した金属塩を含む水系の洗浄溶液と接触させ、金属塩の金属カチオンが金属シアニド錯体及び/又は金属シアニド析出物を形成することができ、且つ金属塩の弱酸アニオンが、洗浄溶液のpHを6〜10の範囲に緩衝するように作用し、洗浄溶液によってシアン化水素を合成ガスから洗浄して、被処理合成ガス及び使用済み洗浄溶液を得ること、
断続的(from time to time)又は連続的に、使用済み洗浄溶液の少なくとも一部を気液接触段階から取り出すこと、及び
被処理合成ガスを前記気液接触段階から取り出すこと、
を含む、シアン化水素を合成ガスから少なくとも部分的に除去するプロセスを提供する。
Claims (11)
- シアン化水素を合成ガスから少なくとも部分的に除去するプロセスであって、
シアン化水素を含有する合成ガスを気液接触段階に供給すること、
前記気液接触段階において、前記合成ガスを、少なくとも1つの溶解した金属塩を含む水系の洗浄溶液と接触させ、該金属塩の金属カチオンが金属シアニド錯体及び/又は金属シアニド析出物を形成することができ、且つ該金属塩の弱酸アニオンが、前記洗浄溶液のpHを6〜10の範囲に緩衝するように作用し、該洗浄溶液が、1質量%〜20質量%の範囲の濃度で金属塩を含み、該洗浄溶液によってシアン化水素を前記合成ガスから洗浄し、被処理合成ガス及び使用済み洗浄溶液を得ること、
断続的又は連続的に、前記使用済み洗浄溶液の少なくとも一部を前記気液接触段階から取り出すこと、及び
前記被処理合成ガスを前記気液接触段階から取り出すこと、
を含む、シアン化水素を合成ガスから少なくとも部分的に除去するプロセス。 - 前記洗浄溶液が、1質量%〜10質量%の範囲の濃度で金属塩を含む、請求項1に記載のプロセス。
- 前記洗浄溶液中に金属シアニド錯体及び/又は金属シアニド析出物を形成することができる前記金属カチオンの濃度が、0.1質量%〜4質量%の範囲であり、該洗浄溶液中の前記弱酸アニオンの濃度が0.5質量%〜8質量%の範囲である、請求項1又は2に記載のプロセス。
- 前記金属塩が、1つ又は複数の鉄、銅、コバルト、銀、金及び/又は他の遷移金属の塩を含む、請求項1〜3のいずれか一項に記載のプロセス。
- 前記弱酸アニオンが有機酸に由来する、請求項1〜4のいずれか一項に記載のプロセス。
- 前記弱酸アニオンが、クエン酸塩、シュウ酸塩、酢酸塩及びプロピオン酸塩から成る群から選択されるカルボン酸塩に由来する、請求項1〜5のいずれか一項に記載のプロセス。
- 前記気液接触段階を40℃〜200℃の温度で稼動させる、請求項1〜6のいずれか一項に記載のプロセス。
- 前記温度が45℃〜70℃である、請求項7に記載のプロセス。
- 洗浄溶液調製段階において新たな洗浄溶液を調製することであって、該新たな洗浄溶液が、弱酸を含有する水溶液を高表面積金属原料上に通過させ、それにより、反応して溶解した金属塩が形成することによって調製されることを含む、請求項1〜8のいずれか一項に記載のプロセス。
- 前記弱酸を含有する水溶液が、Fischer−Tropsch反応水生成物であるか、又はこれに由来する、請求項9に記載のプロセス。
- 前記合成ガスが凝縮性炭化水素成分を含み、前記プロセスが、
該凝縮性炭化水素成分の少なくともいくらかを前記気液接触段階において凝縮して、炭化水素凝縮体を形成すること、及び
該炭化水素凝縮体を前記気液接触段階から取り出すこと、
を含む、請求項1〜10のいずれか一項に記載のプロセス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA200609076 | 2006-10-31 | ||
PCT/IB2007/054378 WO2008053421A2 (en) | 2006-10-31 | 2007-10-29 | Removal of hydrogen cyanide from synthesis gas |
ZA2006/09076 | 2009-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010508383A JP2010508383A (ja) | 2010-03-18 |
JP5448826B2 true JP5448826B2 (ja) | 2014-03-19 |
Family
ID=39226814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009534041A Expired - Fee Related JP5448826B2 (ja) | 2006-10-31 | 2007-10-29 | シアン化水素の合成ガスからの除去 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8128898B2 (ja) |
JP (1) | JP5448826B2 (ja) |
CN (1) | CN101730574B (ja) |
AU (1) | AU2007315764B2 (ja) |
BR (1) | BRPI0716359B1 (ja) |
GB (1) | GB2456267A (ja) |
NL (1) | NL1034604C2 (ja) |
WO (1) | WO2008053421A2 (ja) |
ZA (1) | ZA200903052B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2931477B1 (fr) * | 2008-05-21 | 2012-08-17 | Arkema France | Acide cyanhydrique derive de matiere premiere renouvable |
RU2635566C2 (ru) | 2011-08-04 | 2017-11-14 | Стивен Л. КАННИНГЕМ | Способ преобразования исходного топлива во вторичное топливо (варианты) |
US8974759B2 (en) * | 2011-11-28 | 2015-03-10 | Coskata, Inc. | Processes for selectively reducing the concentration of hydrogen cyanide in syngas |
CN102921285B (zh) * | 2012-11-08 | 2015-02-25 | 南京大学 | 一种含氰化氢废气的处理方法 |
US9034617B2 (en) * | 2013-03-14 | 2015-05-19 | Coskata, Inc. | Processes for the anaerobic bioconverison of syngas to oxygenated organic compound with in situ protection from hydrogen cyanide |
AU2014300554B2 (en) * | 2013-06-27 | 2017-10-26 | Sasol Technology (Proprietary) Limited | Production of biomass for use in the treatment of Fischer-Tropsch reaction water |
WO2015172132A1 (en) | 2014-05-09 | 2015-11-12 | Cunningham Stephen L | Arc furnace smeltering system & method |
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JPS5092294A (ja) * | 1973-12-18 | 1975-07-23 | ||
US3950492A (en) * | 1974-02-11 | 1976-04-13 | Dr. C. Otto & Comp. G.M.B.H. | Process for removal of ammonia, hydrogen sulfide and hydrogen cyanide from gases containing these substances |
SU960127A1 (ru) * | 1980-12-09 | 1982-09-23 | Украинский научно-исследовательский углехимический институт | Способ очистки коксового газа от цианистого водорода |
GB2159132B (en) * | 1984-05-18 | 1988-03-02 | Shell Int Research | Process for the removal of hydrogen cyanide from a gas stream |
GB8605860D0 (en) * | 1986-03-10 | 1986-04-16 | Secr Defence | Impregnated activated carbon |
US4704137A (en) * | 1987-02-09 | 1987-11-03 | Texaco Inc. | Process for upgrading water used in cooling and cleaning of raw synthesis gas |
NL9500577A (nl) * | 1995-03-24 | 1996-11-01 | Pacques Bv | Werkwijze voor het reinigen van gassen. |
FR2733231B1 (fr) * | 1995-04-24 | 1997-07-04 | Rhone Poulenc Nutrition Animal | Procede de condensation de l'acide cyanhydrique avec un aldehyde |
DE69607423T2 (de) * | 1995-08-08 | 2000-08-03 | Exxon Research Engineering Co | Verfahren zur Beseitigung von Cyanwasserstoff aus Synthesegas |
US5705078A (en) * | 1996-08-23 | 1998-01-06 | Uop | Oxidative removal of aqueous cyanide by manganese(IV)-containing oxides |
US6765110B2 (en) * | 2000-12-19 | 2004-07-20 | Celanese International Corporation | Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate |
JP2004067787A (ja) * | 2002-08-05 | 2004-03-04 | Nippon Steel Corp | コークス炉ガスの脱硫吸収塔の閉塞防止方法 |
US6998098B2 (en) | 2002-11-11 | 2006-02-14 | Conocophillips Company | Removal of gases from a feed |
-
2007
- 2007-10-29 WO PCT/IB2007/054378 patent/WO2008053421A2/en active Application Filing
- 2007-10-29 AU AU2007315764A patent/AU2007315764B2/en not_active Ceased
- 2007-10-29 JP JP2009534041A patent/JP5448826B2/ja not_active Expired - Fee Related
- 2007-10-29 US US12/513,077 patent/US8128898B2/en not_active Expired - Fee Related
- 2007-10-29 BR BRPI0716359-2A patent/BRPI0716359B1/pt not_active IP Right Cessation
- 2007-10-29 CN CN200780047668XA patent/CN101730574B/zh not_active Expired - Fee Related
- 2007-10-30 NL NL1034604A patent/NL1034604C2/nl not_active IP Right Cessation
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2009
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Also Published As
Publication number | Publication date |
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WO2008053421A3 (en) | 2008-06-26 |
NL1034604A1 (nl) | 2008-05-06 |
GB2456267A (en) | 2009-07-15 |
BRPI0716359A2 (pt) | 2013-09-17 |
JP2010508383A (ja) | 2010-03-18 |
ZA200903052B (en) | 2010-03-31 |
CN101730574B (zh) | 2012-12-05 |
US20100061905A1 (en) | 2010-03-11 |
AU2007315764B2 (en) | 2012-05-03 |
AU2007315764A1 (en) | 2008-05-08 |
CN101730574A (zh) | 2010-06-09 |
US8128898B2 (en) | 2012-03-06 |
NL1034604C2 (nl) | 2008-12-29 |
WO2008053421A2 (en) | 2008-05-08 |
GB0907884D0 (en) | 2009-06-24 |
BRPI0716359B1 (pt) | 2018-06-05 |
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