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
Links
Images
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)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical 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 | ||
DE10229101.2 | 2002-06-25 | ||
DE10229101A DE10229101A1 (de) | 2001-11-16 | 2002-06-25 | Verfahren zur Reinigung von Offgasen einer Melaminanlage |
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 (4)
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 |
CN118339148A (zh) * | 2022-10-07 | 2024-07-12 | 卡萨乐有限公司 | 具有三聚氰胺废气的两阶段纯化的三聚氰胺工艺 |
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 |
EP4349817A1 (en) | 2022-10-07 | 2024-04-10 | Casale Sa | Melamine process with a two-stage purification of melamine offgas |
WO2024074656A1 (en) | 2022-10-07 | 2024-04-11 | 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 AU AU2002351682A patent/AU2002351682B2/en not_active Ceased
- 2002-11-14 WO PCT/DE2002/004250 patent/WO2003045538A1/de not_active Application Discontinuation
- 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 BR BR0214165-5A patent/BR0214165A/pt not_active Application Discontinuation
- 2002-11-14 EP EP02787376A patent/EP1461139B1/de not_active Expired - Lifetime
- 2002-11-14 PL PL368283A patent/PL206366B1/pl unknown
- 2002-11-14 RU RU2004114999/15A patent/RU2304456C2/ru active
- 2002-11-14 CN CNB028226984A patent/CN100518896C/zh not_active Expired - Lifetime
Cited By (5)
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 |
CN118339148A (zh) * | 2022-10-07 | 2024-07-12 | 卡萨乐有限公司 | 具有三聚氰胺废气的两阶段纯化的三聚氰胺工艺 |
Also Published As
Publication number | Publication date |
---|---|
DE50204130D1 (de) | 2005-10-06 |
US7311759B2 (en) | 2007-12-25 |
EP1461139B1 (de) | 2005-08-31 |
PL368283A1 (en) | 2005-03-21 |
CN100518896C (zh) | 2009-07-29 |
RU2004114999A (ru) | 2005-05-27 |
US20050056147A1 (en) | 2005-03-17 |
EP1461139A1 (de) | 2004-09-29 |
BR0214165A (pt) | 2004-09-28 |
AU2002351682A1 (en) | 2003-06-10 |
AU2002351682B2 (en) | 2007-09-20 |
WO2003045538A1 (de) | 2003-06-05 |
RU2304456C2 (ru) | 2007-08-20 |
PL206366B1 (pl) | 2010-07-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1585665A (zh) | 纯化三聚氰胺设备废气的方法 | |
CN1020620C (zh) | 从焦沥青页岩和其它含烃类的物质得到油、气和副产品的装置和方法的改进 | |
US11478769B2 (en) | Reactor systems comprising fluid recycling | |
RU2753027C2 (ru) | Реактор для проведения экзотермических равновесных реакций | |
ZA200204751B (en) | Method and device for catalytic cracking comprising in parallel at least an upflow reactor and at least a downflow reactor. | |
CN1784264A (zh) | 带有气体冷却器的流化床反应器 | |
CN101166714B (zh) | 尿素合成装置 | |
US3746515A (en) | Two stage high temperature shift reactor | |
US11319494B2 (en) | Steam quench performance improvement | |
CN101492398B (zh) | 高效冷凝、低安装高度co2气提法尿素生产工艺及高压管式全冷凝反应器 | |
CN1176021C (zh) | 制备碱金属和碱土金属氰化物颗粒的方法及由此获得的高纯度碱金属氰化物颗粒 | |
RU2210566C2 (ru) | Способ выделения олефинненасыщенных нитрилов | |
CN102872769A (zh) | 气体分布器及包括其的浆态床反应器、粗甲醇合成系统 | |
CN115461129A (zh) | 用于从产物料流中回收催化剂的方法和设备 | |
CN202808647U (zh) | 粗甲醇合成系统 | |
CN113845939B (zh) | 一种吸收稳定单元的新工艺及其产物的综合利用方法 | |
KR20040063146A (ko) | 멜라민 제조 설비로부터의 배기 가스를 정제하는 방법 | |
EA003323B1 (ru) | Способ получения меламина | |
RU2359008C2 (ru) | Способ конверсии исходного жидкого материала в парофазный продукт | |
KR102673700B1 (ko) | 이소프로필 알코올 제조방법 | |
KR102673698B1 (ko) | 이소프로필 알코올 제조방법 | |
SU758597A1 (ru) | Установка дл очистки выбросных газов | |
RU2202408C1 (ru) | Реактор для жидкофазного окисления углеводородов | |
CN102850182A (zh) | 粗甲醇合成系统 | |
KR940010976B1 (ko) | 유동성 입자와 열교환 유체사이의 간접 열교환 방법 및 이를 수행하기 위한 재생기 |
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 |