CN1585665A - 纯化三聚氰胺设备废气的方法 - Google Patents
纯化三聚氰胺设备废气的方法 Download PDFInfo
- Publication number
- CN1585665A CN1585665A CNA028226984A CN02822698A CN1585665A CN 1585665 A CN1585665 A CN 1585665A CN A028226984 A CNA028226984 A CN A028226984A CN 02822698 A CN02822698 A CN 02822698A CN 1585665 A CN1585665 A CN 1585665A
- Authority
- CN
- China
- Prior art keywords
- waste gas
- melamine
- gas
- scrubber
- urea
- 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
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
- C07D251/62—Purification of melamine
-
- 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
- B01D53/14—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 by absorption
- B01D53/1487—Removing organic compounds
-
- 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
- B01D53/14—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 by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Treating Waste Gases (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (AREA)
Abstract
Description
单阶段过程 | 两阶段过程 | |||
温度 | 废气 | 尿素 | 废气 | 尿素 |
入口 | 370℃ | 150℃ | 370℃ | 150℃ |
第一/第二阶段过渡 | - | - | 242℃ | 205℃ |
出口 | 205℃ | 205℃ | 205℃ | 242℃ |
比废热 | 33kJ/mol尿素 | 24kJ/mol尿素 | ||
加入三聚氰胺合成反应器的尿素熔体中的三聚氰胺前体和凝结的三聚氰胺的含量 | 4% | 7% |
Claims (15)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0180601A AT410794B (de) | 2001-11-16 | 2001-11-16 | Verfahren zur reinigung von offgasen einer melaminanlage |
ATA1806/2001 | 2001-11-16 | ||
DE10229101A DE10229101A1 (de) | 2001-11-16 | 2002-06-25 | Verfahren zur Reinigung von Offgasen einer Melaminanlage |
DE10229101.2 | 2002-06-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1585665A true CN1585665A (zh) | 2005-02-23 |
CN100518896C CN100518896C (zh) | 2009-07-29 |
Family
ID=25608541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028226984A Expired - Lifetime CN100518896C (zh) | 2001-11-16 | 2002-11-14 | 纯化三聚氰胺设备废气的方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7311759B2 (zh) |
EP (1) | EP1461139B1 (zh) |
CN (1) | CN100518896C (zh) |
AU (1) | AU2002351682B2 (zh) |
BR (1) | BR0214165A (zh) |
DE (1) | DE50204130D1 (zh) |
PL (1) | PL206366B1 (zh) |
RU (1) | RU2304456C2 (zh) |
WO (1) | WO2003045538A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101862577A (zh) * | 2009-06-12 | 2010-10-20 | 河南骏化发展股份有限公司 | 一种三聚氰胺尾气回收的方法 |
CN101610830B (zh) * | 2007-02-16 | 2013-03-27 | 鲁奇有限责任公司 | 气体洗涤器和该气体洗涤器在三聚氰胺生产中的用途 |
CN115073389A (zh) * | 2022-07-01 | 2022-09-20 | 山东省舜天化工集团有限公司 | 一种节能型三聚氰胺生产系统及生产方法 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2119710A1 (en) * | 2008-05-14 | 2009-11-18 | Urea Casale S.A. | Process for producing high-quality melamine from urea |
FR2939693B1 (fr) * | 2008-12-16 | 2011-12-23 | Inst Francais Du Petrole | Nouveau procede de recuperation du co2 issu des fumees de regeneration d'une unite de craquage catalytique |
EP2907567A1 (en) | 2014-02-18 | 2015-08-19 | Casale Sa | Combined reactor for high-pressure synthesis of melamine |
CN104370775B (zh) * | 2014-10-25 | 2017-02-15 | 华强化工集团股份有限公司 | 一种利用尿素装置回收三聚氰胺尾气的装置及工艺 |
CN108939856A (zh) * | 2018-07-31 | 2018-12-07 | 苏州科博思设备工程有限公司 | 一种脱硫器 |
CN108939854A (zh) * | 2018-07-31 | 2018-12-07 | 苏州科博思设备工程有限公司 | 一种脱硫装置 |
IT201900023160A1 (it) * | 2019-12-06 | 2021-06-06 | Eurotecnica Melamine Ag | Pompa centrifuga per processare urea fusa e relativo impianto |
CN111007010B (zh) * | 2019-12-25 | 2022-08-23 | 河南农业大学 | 一种土壤生物有效态氮磷流路控制系统及其方法 |
CN112138532B (zh) * | 2020-09-30 | 2021-06-15 | 重庆富源化工有限公司 | 一种可自动检测且平衡氨水水位和水压的装置 |
CN113828117B (zh) * | 2021-10-18 | 2022-09-23 | 山东省舜天化工集团有限公司 | 一种三聚氰胺放料废气处理再利用系统及方法 |
CN114452897A (zh) * | 2022-01-06 | 2022-05-10 | 四川金象赛瑞化工股份有限公司 | 一种尿素加料装置、加料方法及三聚氰胺生产装置和方法 |
WO2024074656A1 (en) | 2022-10-07 | 2024-04-11 | Casale Sa | Melamine process with a two-stage purification of melamine offgas |
EP4349817A1 (en) | 2022-10-07 | 2024-04-10 | Casale Sa | Melamine process with a two-stage purification of melamine offgas |
WO2024083571A1 (en) | 2022-10-21 | 2024-04-25 | Casale Sa | Melamine process with purification of melamine offgas |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3155723A (en) * | 1960-02-04 | 1964-11-03 | Chemical Construction Corp | Synthesis of urea and recovery of residual reactants |
US3386999A (en) * | 1966-02-10 | 1968-06-04 | Chemical Construction Corp | Synthesis of melamine |
US3700672A (en) * | 1969-04-15 | 1972-10-24 | Nissan Chemical Ind Ltd | Process for recovering by-product gases at high pressure in melamine production |
US4138560A (en) * | 1975-06-10 | 1979-02-06 | Basf Aktiengesellschaft | Process for cooling melamine synthesis waste gases |
JPS5381898A (en) * | 1976-12-28 | 1978-07-19 | Toshiba Corp | Piping device |
SU863746A1 (ru) * | 1979-03-05 | 1981-09-15 | Проектно-Технологический Трест Оргтехстрой Воронежского Территориального Управления Строительства | Устройство дл разогрева и обезвоживани битумного материала |
SU1074161A1 (ru) * | 1982-03-29 | 1992-01-15 | Предприятие П/Я Х-5476 | Устройство дл газовой эпитаксии полупроводниковых соединений |
US4565867A (en) * | 1984-01-05 | 1986-01-21 | Melamine Chemicals, Inc. | Anhydrous high-pressure melamine synthesis |
SE9001957L (sv) * | 1990-05-31 | 1991-12-01 | Chemrec Ab | Rening av processgas fraan partiell foerbraenning av svartlut |
DE4440646A1 (de) * | 1994-11-14 | 1996-05-15 | Bayer Ag | Verfahren zur Oxidation von Chlorwasserstoff |
US5514796A (en) | 1995-06-07 | 1996-05-07 | Melamine Chemicals, Inc. | Melamine of improved purity produced by high-pressure, non-catalytic process |
NL1003328C2 (nl) * | 1996-06-13 | 1997-12-17 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
-
2002
- 2002-11-14 WO PCT/DE2002/004250 patent/WO2003045538A1/de not_active Application Discontinuation
- 2002-11-14 RU RU2004114999/15A patent/RU2304456C2/ru active
- 2002-11-14 DE DE50204130T patent/DE50204130D1/de not_active Expired - Lifetime
- 2002-11-14 US US10/495,310 patent/US7311759B2/en not_active Expired - Lifetime
- 2002-11-14 CN CNB028226984A patent/CN100518896C/zh not_active Expired - Lifetime
- 2002-11-14 EP EP02787376A patent/EP1461139B1/de not_active Expired - Lifetime
- 2002-11-14 PL PL368283A patent/PL206366B1/pl unknown
- 2002-11-14 AU AU2002351682A patent/AU2002351682B2/en not_active Ceased
- 2002-11-14 BR BR0214165-5A patent/BR0214165A/pt not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101610830B (zh) * | 2007-02-16 | 2013-03-27 | 鲁奇有限责任公司 | 气体洗涤器和该气体洗涤器在三聚氰胺生产中的用途 |
CN101862577A (zh) * | 2009-06-12 | 2010-10-20 | 河南骏化发展股份有限公司 | 一种三聚氰胺尾气回收的方法 |
CN115073389A (zh) * | 2022-07-01 | 2022-09-20 | 山东省舜天化工集团有限公司 | 一种节能型三聚氰胺生产系统及生产方法 |
CN115073389B (zh) * | 2022-07-01 | 2023-10-31 | 山东省舜天化工集团有限公司 | 一种节能型三聚氰胺生产系统及生产方法 |
Also Published As
Publication number | Publication date |
---|---|
AU2002351682A1 (en) | 2003-06-10 |
EP1461139B1 (de) | 2005-08-31 |
US7311759B2 (en) | 2007-12-25 |
DE50204130D1 (de) | 2005-10-06 |
AU2002351682B2 (en) | 2007-09-20 |
PL206366B1 (pl) | 2010-07-30 |
RU2304456C2 (ru) | 2007-08-20 |
BR0214165A (pt) | 2004-09-28 |
RU2004114999A (ru) | 2005-05-27 |
PL368283A1 (en) | 2005-03-21 |
US20050056147A1 (en) | 2005-03-17 |
CN100518896C (zh) | 2009-07-29 |
WO2003045538A1 (de) | 2003-06-05 |
EP1461139A1 (de) | 2004-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: UREA CASALE S. A. Free format text: FORMER OWNER: BOREALIS AGROLINZ MELAMINE GMBH Effective date: 20140521 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: BOREALIS AGROLINZ MELAMINE GMBH Free format text: FORMER NAME: AGROLINZ MELAMIN GMBH |
|
CP01 | Change in the name or title of a patent holder |
Address after: Linz, Austria Patentee after: Nordic Agoro Linz melamine Ltd. Address before: Linz, Austria Patentee before: AMI - AGROLINZ MELAMINE INTERNATIONAL GmbH |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140521 Address after: Lugano, Switzerland Patentee after: Urea Casale Co.,Ltd. Address before: Linz, Austria Patentee before: Nordic Agoro Linz melamine Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20090729 |
|
CX01 | Expiry of patent term |