JPH10512540A - H▲下2▼sをイオウに酸化する方法 - Google Patents
H▲下2▼sをイオウに酸化する方法Info
- Publication number
- JPH10512540A JPH10512540A JP9517911A JP51791197A JPH10512540A JP H10512540 A JPH10512540 A JP H10512540A JP 9517911 A JP9517911 A JP 9517911A JP 51791197 A JP51791197 A JP 51791197A JP H10512540 A JPH10512540 A JP H10512540A
- Authority
- JP
- Japan
- Prior art keywords
- catalytic oxidation
- gas
- stage
- sulfur
- oxidation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- 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
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8612—Hydrogen sulfide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
- C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
- C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
- C01B17/0456—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process the hydrogen sulfide-containing gas being a Claus process tail gas
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
- C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
- C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
- C01B17/046—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process without intermediate formation of sulfur dioxide
- C01B17/0469—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process without intermediate formation of sulfur dioxide at least one catalyst bed operating below the dew-point of sulfur
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/06—Temperature control
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
- Catalysts (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. ガス中に0.7〜3容量%の濃度で存在するH2Sをイオウへ完全酸化す る方法であって、操作を、初期段階と最終段階、および必要により少なくとも1 個の中間段階を含み、連続して配置された複数の接触酸化段階を含む接触酸化ユ ニット内で実施し、各段階がH2Sをイオウへ選択的に酸化するのを促進させ、 且つ酸化により形成されるイオウの露点以下で作用する触媒を含み、H2Sを含 有する被処理ガスを初期接触酸化段階の入口に導入し、前記ガスを酸化触媒と接 触しながら接触酸化段階の各段階を順次通過させ、さらに各接触酸化段階におい て、遊離酸素を含むガス中の酸素によってこの段階を通過するガス中のH2Sを 少なくとも部分的にイオウに酸化するために、遊離酸素を含むガスを前記接触酸 化段階へ注入し、形成されたイオウを各接触酸化段階の触媒上に沈着させ、そし てH2Sの残留含量が低い精製ガスを最終接触酸化段階の出口で放出し、そして 各接触酸化段階に入る前に、H2Sを含有するガスを80℃〜100℃の範囲の 温度に維持し、初期接触酸化段階、および任意の中間接触酸化段階に導入される 遊離酸素を含むガ スの量を、断熱的に作用する前記接触酸化の各段階の出口の気体混合物の温度が 、酸化触媒がH2Sのイオウへの選択的酸化を促進することができ、且つ150 ℃を越えない温度範囲の最高温度θS以下の温度になるように制御し、前記最終 接触酸化段階を通過するH2Sの全酸化に伴う精製ガス中に既定過剰量の酸素を 供給するように最終接触酸化段階に導入される遊離酸素を含むガスの量を制御し 、そして最終接触酸化段階のH2Sの酸化を前記温度θS以下で且つ150℃を越 えない温度で実施し、必要に応じて、前記最終接触段階を低温流体による間接熱 交換で冷却することを特徴とする方法。 2. H2Sを含むガスを、適当な温度の流体による接触酸化段階の外部からの 間接熱交換によって、各接触酸化段階へ注入により導入される前に、80℃〜1 00℃の間の温度にすることを特徴とする請求項1に記載の方法。 3. 遊離酸素を含むガス、およびH2Sを含むガスを各接触酸化段階へ導入す る前に、それらのガスを予備混合することを特徴とする請求項1あるいは2に記 載の方法。 4. 遊離酸素を含むガスが、ガスの温度を80℃と100℃の間にする間接熱 交換の前に、且つ各接触酸化段階へ導入され る前に、H2Sを含むガスと予備混合されることを特徴とする請求項2に記載の 方法の方法。 5. 接触酸化ユニットの各接触酸化段階に存在する、H2Sをイオウへ選択的 酸化するための触媒が、触媒100g当り、15cm3〜70cm3の範囲の多孔 容積を有していることを特徴とする請求項1〜4のいずれか1項に記載の方法の 方法。 6. 酸化触媒が、耐火材料の支持体、あるいは活性炭素支持体上に沈着された 、1つあるいは多数の遷移金属の1個以上の酸化物および/または1個以上の塩 から成る活性相から構成されるていることを特徴とする請求項1〜5のいずれか 1項に記載の方法の方法。 7. 活性相が、金属の重量として計算して、酸化触媒の重量当り、0.1〜1 5重量%、より特定すれば0.2〜7重量%であることを特徴とする請求項6に 記載の方法。 8. 接触酸化ユニットが、3個の接触酸化段階、即ち中間段階によって分離さ れている初期段階、および最終段階を備えていることを特徴とする請求項1〜7 のいずれか1項に記載の方法の方法。 9. 接触酸化ユニットの接触酸化段階中に存在する、イオウ が負荷された酸化触媒を、前記触媒を非酸化性ガスで連続パージすることによっ て再生し、且つこの操作を、前記触媒上に保持されているイオウを蒸発させるた め、200℃と500℃の間の温度、より特定すれば250℃と450℃の間の 温度で実施し、次いで再生された触媒を、適当な温度の冷却ガスによって接触酸 化反応に再利用するのに必要な温度に冷却するが、この際前記冷却ガスが少なく とも前記冷却の最終フェーズの間、任意に、水蒸気を含むことを特徴とする請求 項1〜8のいずれか1項に記載の方法の方法。 10. 多数の接触酸化ユニットの少なくとも1個が再生/冷却相で、一方他方 のユニットが接触酸化相として、あるいは少なくとも1個の接触酸化ユニットが 再生相で、少なくとも1個の接触酸化ユニットが冷却相で、一方他方の接触酸化 ユニットが接触反応相であるように機能する多数の接触酸化ユニットを使用する ことを特徴とする請求項9に記載の方法。 11. イオウプラントからの残留ガスを、前記残留ガス中に存在する全イオウ 生成物をH2Sに転換するため、水素添加、および加水分解段階で処理すること によって得られる、0.7〜3容量%の濃度でH2Sを含有するガスの処理への 請求項1 〜10のいずれか1項に記載の方法の適用。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9512989A FR2740767B1 (fr) | 1995-11-03 | 1995-11-03 | Procede d'oxydation complete en soufre de l'h2s present dans un gaz et son application a la recuperation quasi totale, sous la forme de soufre, des composes soufres contenus dans un gaz residuaire d'usine a soufre |
FR95/12989 | 1995-11-03 | ||
PCT/FR1996/001699 WO1997017284A1 (fr) | 1995-11-03 | 1996-10-30 | Procede d'oxydation de h2s en soufre |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10512540A true JPH10512540A (ja) | 1998-12-02 |
JP3869856B2 JP3869856B2 (ja) | 2007-01-17 |
Family
ID=9484199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51791197A Expired - Fee Related JP3869856B2 (ja) | 1995-11-03 | 1996-10-30 | H▲下2▼sをイオウに酸化する方法 |
Country Status (14)
Country | Link |
---|---|
US (1) | US6017507A (ja) |
EP (1) | EP0801633B1 (ja) |
JP (1) | JP3869856B2 (ja) |
AT (1) | ATE212318T1 (ja) |
CA (1) | CA2209331C (ja) |
DE (1) | DE69618761T2 (ja) |
ES (1) | ES2170283T3 (ja) |
FR (1) | FR2740767B1 (ja) |
NO (1) | NO973030L (ja) |
PT (1) | PT801633E (ja) |
RU (1) | RU2142403C1 (ja) |
TW (1) | TW326003B (ja) |
UA (1) | UA42051C2 (ja) |
WO (1) | WO1997017284A1 (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6579510B2 (en) | 1999-07-30 | 2003-06-17 | Alfred E. Keller | SPOX-enhanced process for production of synthesis gas |
US6403051B1 (en) * | 1999-07-30 | 2002-06-11 | Conoco Inc. | Recovery of sulfur from H2S and concurrent production of H2 using short contact time CPOX |
US6946111B2 (en) | 1999-07-30 | 2005-09-20 | Conocophilips Company | Short contact time catalytic partial oxidation process for recovering sulfur from an H2S containing gas stream |
US6800269B2 (en) | 1999-07-30 | 2004-10-05 | Conocophillips Company | Short contact time catalytic sulfur recovery system for removing H2S from a waste gas stream |
AU6525700A (en) | 1999-08-05 | 2001-03-05 | Novus International Inc | Reductive combustion of ammonium salts of sulfuric acid |
US7122170B2 (en) * | 2000-07-25 | 2006-10-17 | Conocophillips Company | Catalysts for SPOC™ enhanced synthesis gas production |
US7326397B2 (en) * | 2000-12-18 | 2008-02-05 | Conocophillips Company | Catalytic partial oxidation process for recovering sulfur from an H2S-containing gas stream |
US7357908B2 (en) * | 2000-12-18 | 2008-04-15 | Conocophillips Company | Apparatus and catalytic partial oxidation process for recovering sulfur from an H2S-containing gas stream |
CA2434233C (en) * | 2003-07-03 | 2010-02-16 | Clean-Flo Gas Filtration Systems (1987) Ltd. | Method of scrubbing lower mass sulfides with a sulfide scrubbing medium capable of regeneration |
US7108842B2 (en) * | 2004-01-15 | 2006-09-19 | Conocophillips Company | Process for the catalytic partial oxidation of H2S using staged addition of oxygen |
US7138101B2 (en) * | 2004-01-15 | 2006-11-21 | Conocophillips Company | Two-stage catalytic process for recovering sulfur from an H2S-containing gas stream |
US7226572B1 (en) * | 2006-03-03 | 2007-06-05 | Conocophillips Company | Compact sulfur recovery plant and process |
US7501111B2 (en) | 2006-08-25 | 2009-03-10 | Conoco Phillips Company | Increased capacity sulfur recovery plant and process for recovering elemental sulfur |
US9611198B2 (en) | 2011-04-18 | 2017-04-04 | M-I L.L.C. | Method for catalyst regeneration |
ES2711612T3 (es) | 2015-03-12 | 2019-05-06 | Prosernat | Proceso de eliminación de compuestos de azufre a partir de un gas con etapas de hidrogenación y oxidación directa |
CN105565279A (zh) * | 2015-12-21 | 2016-05-11 | 中国科学院生态环境研究中心 | 一种用于Claus尾气净化硫磺回收的SCOT+联合催化氧化工艺 |
RU2649442C2 (ru) * | 2016-04-25 | 2018-04-03 | Общество с ограниченной ответственностью "Старт-Катализатор" | Установка, способ и катализатор очистки газообразного углеводородного сырья от сероводорода и меркаптанов |
RU2649444C2 (ru) * | 2016-04-25 | 2018-04-03 | Общество с ограниченной ответственностью "Старт-Катализатор" | Установка, способ и катализатор осушки и очистки газообразного углеводородного сырья от сероводорода и меркаптанов |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA749277A (en) * | 1966-12-27 | Pan American Petroleum Corporation | Sulfur recovery process | |
US2971824A (en) * | 1958-08-11 | 1961-02-14 | Socony Mobil Oil Co Inc | Process for recovering sulfur from hydrogen sulfide-containing gases |
FR2277877A1 (fr) * | 1974-07-11 | 1976-02-06 | Aquitaine Petrole | Procede de desulfuration des gaz contenant de l'hydrogene sulfure |
DE3143400A1 (de) * | 1981-11-02 | 1983-06-01 | Mobil Oil Corp., 10017 New York, N.Y. | Verfahren zur verringerung des schwefelgehaltes in gasstroemen unter gewinnung von elementarem schwefel |
FR2702673B1 (fr) * | 1993-03-16 | 1995-04-28 | Elf Aquitaine | Procédé d'élimination de l'H2S contenu dans un gaz en concentration inférieure à 5 % en volume avec récupération de cet H2S sous la forme de soufre. |
FR2702674B1 (fr) * | 1993-03-16 | 1995-04-28 | Elf Aquitaine | Procédé d'élimination des composés soufrés contenus dans un gaz résiduaire du type gaz résiduaire d'usine à soufre Claus, avec récupération desdits composés sous la forme de soufre. |
EP0631978B1 (en) * | 1993-06-28 | 1996-05-08 | Shell Internationale Researchmaatschappij B.V. | Removing hydrogen sulphide from a gas stream |
-
1995
- 1995-11-03 FR FR9512989A patent/FR2740767B1/fr not_active Expired - Fee Related
-
1996
- 1996-10-30 JP JP51791197A patent/JP3869856B2/ja not_active Expired - Fee Related
- 1996-10-30 AT AT96937360T patent/ATE212318T1/de not_active IP Right Cessation
- 1996-10-30 RU RU97112933A patent/RU2142403C1/ru active
- 1996-10-30 PT PT96937360T patent/PT801633E/pt unknown
- 1996-10-30 ES ES96937360T patent/ES2170283T3/es not_active Expired - Lifetime
- 1996-10-30 CA CA002209331A patent/CA2209331C/fr not_active Expired - Lifetime
- 1996-10-30 WO PCT/FR1996/001699 patent/WO1997017284A1/fr active IP Right Grant
- 1996-10-30 DE DE69618761T patent/DE69618761T2/de not_active Expired - Lifetime
- 1996-10-30 EP EP96937360A patent/EP0801633B1/fr not_active Expired - Lifetime
- 1996-10-30 US US08/860,581 patent/US6017507A/en not_active Expired - Fee Related
- 1996-10-30 UA UA97074056A patent/UA42051C2/uk unknown
- 1996-11-02 TW TW085113526A patent/TW326003B/zh active
-
1997
- 1997-06-27 NO NO973030A patent/NO973030L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1997017284A1 (fr) | 1997-05-15 |
ATE212318T1 (de) | 2002-02-15 |
NO973030D0 (no) | 1997-06-27 |
CA2209331A1 (fr) | 1997-05-15 |
CA2209331C (fr) | 2000-10-03 |
TW326003B (en) | 1998-02-01 |
FR2740767A1 (fr) | 1997-05-09 |
NO973030L (no) | 1997-08-13 |
RU2142403C1 (ru) | 1999-12-10 |
EP0801633A1 (fr) | 1997-10-22 |
JP3869856B2 (ja) | 2007-01-17 |
DE69618761T2 (de) | 2002-08-14 |
EP0801633B1 (fr) | 2002-01-23 |
DE69618761D1 (de) | 2002-03-14 |
US6017507A (en) | 2000-01-25 |
FR2740767B1 (fr) | 1997-12-26 |
UA42051C2 (uk) | 2001-10-15 |
ES2170283T3 (es) | 2002-08-01 |
PT801633E (pt) | 2002-06-28 |
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