ATE372300T1 - Chemische und thermische zersetzung von ammoniumsulfat zu ammoniak und schwefelsäure - Google Patents

Chemische und thermische zersetzung von ammoniumsulfat zu ammoniak und schwefelsäure

Info

Publication number: ATE372300T1
Authority: AT; Austria
Prior art keywords: sulphuric acid; ammonia; ammonium sulphate; chemical; mixture
Prior art date: 2001-09-27

Application number

AT02763122T

Other languages

English (en)

Inventor

Tord Hansen

Original Assignee

Silica Tech Ans

Priority date (The priority date 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 date listed.)

2001-09-27

Filing date

2002-09-26

Publication date

2007-09-15

2002-09-26 Application filed by Silica Tech Ans filed Critical Silica Tech Ans

2007-09-15 Application granted granted Critical

2007-09-15 Publication of ATE372300T1 publication Critical patent/ATE372300T1/de

Links

QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 6
239000001117 sulphuric acid Substances 0.000 abstract 6
235000011149 sulphuric acid Nutrition 0.000 abstract 6
BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical group N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 abstract 4
229910052921 ammonium sulfate Inorganic materials 0.000 abstract 4
239000001166 ammonium sulphate Substances 0.000 abstract 4
235000011130 ammonium sulphate Nutrition 0.000 abstract 4
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 3
238000000034 method Methods 0.000 abstract 3
239000000203 mixture Substances 0.000 abstract 3
229910021529 ammonia Inorganic materials 0.000 abstract 1
238000009835 boiling Methods 0.000 abstract 1
238000000354 decomposition reaction Methods 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
239000007788 liquid Substances 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 abstract 1
230000035484 reaction time Effects 0.000 abstract 1
239000000126 substance Substances 0.000 abstract 1

Classifications

- 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
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/745—Preparation from sulfates
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/026—Preparation of ammonia from inorganic compounds
- C01C1/028—Preparation of ammonia from inorganic compounds from ammonium sulfate or sulfite

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Analytical Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Treating Waste Gases (AREA)
Physical Water Treatments (AREA)
Removal Of Specific Substances (AREA)
Catalysts (AREA)
Industrial Gases (AREA)
Fertilizers (AREA)

AT02763122T 2001-09-27 2002-09-26 Chemische und thermische zersetzung von ammoniumsulfat zu ammoniak und schwefelsäure ATE372300T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NO20014699A NO315600B1 (no)	2001-09-27	2001-09-27	Fremgangsmåte for fremstilling av ammoniakk og svovelsyre ved spalting av ammoniumsulfat

Publications (1)

Publication Number	Publication Date
ATE372300T1 true ATE372300T1 (de)	2007-09-15

Family

ID=19912865

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT02763122T ATE372300T1 (de)	2001-09-27	2002-09-26	Chemische und thermische zersetzung von ammoniumsulfat zu ammoniak und schwefelsäure

Country Status (7)

Country	Link
US (1)	US20040234441A1 (de)
EP (1)	EP1444166B1 (de)
AT (1)	ATE372300T1 (de)
CA (1)	CA2461683C (de)
DE (1)	DE60222292T2 (de)
NO (1)	NO315600B1 (de)
WO (1)	WO2003027018A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20080289951A1 (en) *	2005-06-27	2008-11-27	Cunping Huang	Thermochemical Cycle for Production of Hydrogen and/or Oxygen Via Water Splitting Processes
US7632479B2 (en) *	2006-08-31	2009-12-15	Iogen Energy Corporation	Process for producing ammonia and sulfuric acid from a stream comprising ammonium sulfate
US8691068B1 (en) *	2007-11-09	2014-04-08	University Of Central Florida Research Foundation, Inc.	Solar metal sulfate-ammonia based thermochemical water splitting cycle for hydrogen production
RU2560445C2 (ru) *	2013-10-18	2015-08-20	Андрей Вилорьевич Доронин	Способ производства аммиака и серной кислоты из сульфата аммония
BR112017028625B1 (pt)	2015-06-30	2021-10-13	Anellotech, Inc	Processo melhorado de pirólise catalítica rápida com remoção de impureza
CN112174165A (zh) *	2019-07-03	2021-01-05	强方投顾股份有限公司	半导体级氨水及硫酸回收循环制造方法
WO2023139359A1 (en)	2022-01-19	2023-07-27	Imperial College Innovations Limited	Silica supplementary cementitious materials
EP4299553A1 (de) *	2022-06-30	2024-01-03	SABIC Global Technologies B.V.	Herstellung von stickstoff-, kalium-, schwefelnährstoffen durch entkohlung und verwendung von calciumsulfat
EP4299554A1 (de) *	2022-06-30	2024-01-03	SABIC Global Technologies B.V.	Verfahren zur herstellung von ca-nährstoffen zur unterstützung der kohlenstoffneutralität

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US304260A (en) *		1884-08-26		Beook gaskell
US2927001A (en) *	1958-06-30	1960-03-01	Robert F Mccullough	Production of ammonia and sulfurbearing materials from ammonium sulfate
DE1151492B (de) *	1961-03-11	1963-07-18	Degussa	Verfahren zur Gewinnung von Ammoniak und Schwefelsaeure aus Ammoniumsulfat und/oder -hydrogensulfat bzw. aus deren Loesungen in Wasser oder Schwefelsaeure
NL132894C (de) *	1961-08-30	1900-01-01
CH477367A (de) *	1962-09-11	1969-08-31	Inventa Ag	Verfahren zur Gewinnung von Ammoniak und Schwefeloxyden aus Ammonsulfatlaugen
CH481018A (de) *	1964-02-27	1969-11-15	Inventa Ag	Verfahren zur Gewinnung von Ammoniak aus einem ammoniakhaltigen Gas durch Auswaschung mit Schwefelsäure unter Rückführung der aus dem gebildeten Ammoniumsulfat regenerierten Säure in den Waschprozess
JPS6472915A (en) *	1987-09-15	1989-03-17	Kuraray Co	Production of ammonia and sulfur dioxide

2001
- 2001-09-27 NO NO20014699A patent/NO315600B1/no not_active IP Right Cessation
2002
- 2002-09-26 US US10/487,811 patent/US20040234441A1/en not_active Abandoned
- 2002-09-26 DE DE60222292T patent/DE60222292T2/de not_active Expired - Lifetime
- 2002-09-26 CA CA2461683A patent/CA2461683C/en not_active Expired - Fee Related
- 2002-09-26 WO PCT/NO2002/000344 patent/WO2003027018A1/en not_active Ceased
- 2002-09-26 EP EP02763122A patent/EP1444166B1/de not_active Expired - Lifetime
- 2002-09-26 AT AT02763122T patent/ATE372300T1/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
US20040234441A1 (en)	2004-11-25
NO315600B1 (no)	2003-09-29
DE60222292D1 (de)	2007-10-18
EP1444166A1 (de)	2004-08-11
EP1444166B1 (de)	2007-09-05
DE60222292T2 (de)	2008-06-19
CA2461683A1 (en)	2003-04-03
NO20014699D0 (no)	2001-09-27
WO2003027018A1 (en)	2003-04-03
CA2461683C (en)	2010-04-06
NO20014699L (no)	2003-03-28

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Legal Events

Date	Code	Title	Description
2008-03-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties