IN156310B - - Google Patents
Info
- Publication number
- IN156310B IN156310B IN1281/CAL/81A IN1281CA1981A IN156310B IN 156310 B IN156310 B IN 156310B IN 1281CA1981 A IN1281CA1981 A IN 1281CA1981A IN 156310 B IN156310 B IN 156310B
- Authority
- IN
- India
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/26—Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/025—Thermal hydrolysis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
- Carbon And Carbon Compounds (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8006477A NL8006477A (nl) | 1980-11-28 | 1980-11-28 | Werkwijze voor het verwijderen van ureum, ammoniak en kooldioxide uit verdunde waterige oplossing. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN156310B true IN156310B (es) | 1985-06-22 |
Family
ID=19836250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1281/CAL/81A IN156310B (es) | 1980-11-28 | 1981-11-18 |
Country Status (33)
| Country | Link |
|---|---|
| US (1) | US4456535A (es) |
| EP (1) | EP0053410B1 (es) |
| JP (1) | JPS57118011A (es) |
| KR (2) | KR860000189B1 (es) |
| AU (1) | AU547371B2 (es) |
| BR (1) | BR8107728A (es) |
| CA (1) | CA1201726A (es) |
| CS (1) | CS227021B2 (es) |
| CU (1) | CU21419A (es) |
| DE (1) | DE3171612D1 (es) |
| ES (1) | ES507512A0 (es) |
| FI (1) | FI74947C (es) |
| GR (1) | GR75396B (es) |
| HU (1) | HU188717B (es) |
| IE (1) | IE53218B1 (es) |
| IL (1) | IL64392A (es) |
| IN (1) | IN156310B (es) |
| MA (1) | MA19335A1 (es) |
| MY (1) | MY8600489A (es) |
| NL (1) | NL8006477A (es) |
| NO (1) | NO154749C (es) |
| NZ (1) | NZ199085A (es) |
| OA (1) | OA06958A (es) |
| PH (1) | PH19196A (es) |
| PL (1) | PL134841B1 (es) |
| PT (1) | PT74046B (es) |
| RO (1) | RO83971B (es) |
| SG (1) | SG100285G (es) |
| SU (1) | SU1378781A3 (es) |
| TR (1) | TR21827A (es) |
| YU (1) | YU41999B (es) |
| ZA (1) | ZA818269B (es) |
| ZW (1) | ZW28781A1 (es) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522727A (en) * | 1984-10-22 | 1985-06-11 | Atec Inc. | Process for continuous removal of ammoniacal nitrogen from aqueous streams |
| AT388157B (de) * | 1987-07-16 | 1989-05-10 | Vogelbusch Gmbh | Verfahren zur aufbereitung von ammoniak und/oder sonstige geruchsaktive substanzen sowie feststoffe enthaltenden organisch belasteten abwaessern |
| NL8702530A (nl) * | 1987-10-23 | 1989-05-16 | Stamicarbon | Werkwijze voor de bereiding van ureum en water uitgaande van ammoniak en kooldioxide. |
| IT1232670B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la purificazione delle acque reflue prodotte dagli impianti di produzione dell'urea. |
| RU2056408C1 (ru) * | 1991-10-23 | 1996-03-20 | Уриа Казале С.А. | Способ гидролиза мочевины, содержащейся в отработанной воде с установок синтеза мочевины, и колонный аппарат для его осуществления |
| US5518626A (en) * | 1993-12-23 | 1996-05-21 | United Technologies Corporation | Process employing thermally sterilizable aqueous polishing agents |
| US5525237A (en) * | 1993-12-23 | 1996-06-11 | United Technologies Corporation | Process for removing free and dissolved CO2 from aqueous solutions |
| US5597454A (en) * | 1995-04-06 | 1997-01-28 | Lee; Jing M. | Process for producing urea |
| KR100398799B1 (ko) * | 2001-04-04 | 2003-09-19 | 한화석유화학 주식회사 | 질소 함유 유기물을 포함하는 폐수의 처리공정 |
| US6761868B2 (en) * | 2001-05-16 | 2004-07-13 | The Chemithon Corporation | Process for quantitatively converting urea to ammonia on demand |
| US20040177644A1 (en) * | 2002-01-08 | 2004-09-16 | Masterson James A. | Method and apparatus for separating and neutralizing ammonia |
| US7272953B2 (en) * | 2002-01-08 | 2007-09-25 | Masterson James A | Method and apparatus for separating and neutralizing ammonia |
| US6755029B2 (en) | 2002-01-08 | 2004-06-29 | Marvin Ralph Bertrand, Jr. | Ammonia separator and neutralizer |
| US6887449B2 (en) * | 2002-11-21 | 2005-05-03 | The Chemithon Corporation | Method of quantitatively producing ammonia from urea |
| CN100400430C (zh) * | 2006-05-18 | 2008-07-09 | 刘国胜 | 尿素工艺冷凝液节能净化回收工艺 |
| EP2386346A1 (en) | 2010-05-11 | 2011-11-16 | Stamicarbon B.V. | Process for the reduction of ammonia emissions in a urea manufacturing process |
| JP6634342B2 (ja) * | 2016-05-24 | 2020-01-22 | 東洋エンジニアリング株式会社 | 尿素水溶液の処理方法および装置 |
| TWI774812B (zh) * | 2017-08-11 | 2022-08-21 | 荷蘭商安科智諾貝爾化學國際公司 | 將環狀伸烷基脲轉變成其相應之伸烷基胺的方法 |
| DE102019208859A1 (de) * | 2019-06-18 | 2020-12-24 | Skw Stickstoffwerke Piesteritz Gmbh | Verfahren zur kontinuierlichen Herstellung reiner Harnstofflösungen durch Verwertung von Prozesswasser |
| CN111137906A (zh) * | 2020-03-13 | 2020-05-12 | 安徽六国化工股份有限公司 | 一种尿素稀尿溶液处理装置及方法 |
| CN112744945A (zh) * | 2020-11-30 | 2021-05-04 | 安徽金禾实业股份有限公司 | 三氯蔗糖精馏废水氧化碱解的方法及装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE146752C (es) * | ||||
| DE146751C (es) * | ||||
| US3390058A (en) * | 1964-06-08 | 1968-06-25 | Toyo Koatsu Ind Inc | Plural stage pressure distillation of urea synthesis effluent with liquified gas addition |
| ES318356A1 (es) * | 1964-10-16 | 1966-05-16 | Toyo Koatsu Ind Incorporated | Metodo de depuracion de un efluente en la obtencion de urea sintetica. |
| US4341640A (en) * | 1976-09-27 | 1982-07-27 | Standard Oil Company | Urea hydrolysis |
| JPS5826909B2 (ja) * | 1979-09-14 | 1983-06-06 | 東洋エンジニアリング株式会社 | 尿素水溶液の濃縮方法 |
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1980
- 1980-11-28 NL NL8006477A patent/NL8006477A/nl not_active Application Discontinuation
-
1981
- 1981-10-31 EP EP81201233A patent/EP0053410B1/en not_active Expired
- 1981-10-31 DE DE8181201233T patent/DE3171612D1/de not_active Expired
- 1981-11-18 PH PH26512A patent/PH19196A/en unknown
- 1981-11-18 IN IN1281/CAL/81A patent/IN156310B/en unknown
- 1981-11-19 MA MA19539A patent/MA19335A1/fr unknown
- 1981-11-20 KR KR1019810004531A patent/KR860000189B1/ko active
- 1981-11-20 KR KR1019810004531A patent/KR830007109A/ko unknown
- 1981-11-23 CA CA000390702A patent/CA1201726A/en not_active Expired
- 1981-11-23 GR GR66599A patent/GR75396B/el unknown
- 1981-11-23 YU YU2741/81A patent/YU41999B/xx unknown
- 1981-11-25 JP JP56189055A patent/JPS57118011A/ja active Pending
- 1981-11-25 TR TR21827A patent/TR21827A/xx unknown
- 1981-11-26 NZ NZ199085A patent/NZ199085A/en unknown
- 1981-11-27 CS CS818787A patent/CS227021B2/cs unknown
- 1981-11-27 RO RO105880A patent/RO83971B/ro unknown
- 1981-11-27 PT PT74046A patent/PT74046B/pt unknown
- 1981-11-27 BR BR8107728A patent/BR8107728A/pt unknown
- 1981-11-27 CU CU8135562A patent/CU21419A/es unknown
- 1981-11-27 NO NO814070A patent/NO154749C/no unknown
- 1981-11-27 HU HU813570A patent/HU188717B/hu not_active IP Right Cessation
- 1981-11-27 ZW ZW287/81A patent/ZW28781A1/xx unknown
- 1981-11-27 ZA ZA818269A patent/ZA818269B/xx unknown
- 1981-11-27 IL IL64392A patent/IL64392A/xx unknown
- 1981-11-27 PL PL1981234005A patent/PL134841B1/pl unknown
- 1981-11-27 ES ES507512A patent/ES507512A0/es active Granted
- 1981-11-27 SU SU813363103A patent/SU1378781A3/ru active
- 1981-11-27 FI FI813811A patent/FI74947C/fi not_active IP Right Cessation
- 1981-11-27 AU AU77941/81A patent/AU547371B2/en not_active Ceased
- 1981-11-27 IE IE2785/81A patent/IE53218B1/en unknown
- 1981-11-28 OA OA57555A patent/OA06958A/xx unknown
- 1981-11-30 US US06/325,922 patent/US4456535A/en not_active Expired - Fee Related
-
1985
- 1985-12-30 SG SG1002/85A patent/SG100285G/en unknown
-
1986
- 1986-12-30 MY MY489/86A patent/MY8600489A/xx unknown