IT1105602B - Procedimento per il recupero di ammoniaca ed anidride solforosa da sali ammonici dell'acido solforico contaminati - Google Patents

Procedimento per il recupero di ammoniaca ed anidride solforosa da sali ammonici dell'acido solforico contaminati

Info

Publication number: IT1105602B
Authority: IT; Italy
Prior art keywords: ammonia; recovery; procedure; sulfuric acid; sulfur dioxide
Prior art date: 1977-04-25

Application number

IT49052/78A

Other languages

English (en)

Other versions

IT7849052A0 (it

Original Assignee

Stamicarbon

Nittetsu Kakoki Kk

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.)

1977-04-25

Filing date

1978-04-24

Publication date

1985-11-04

1978-04-24 Application filed by Stamicarbon, Nittetsu Kakoki Kk filed Critical Stamicarbon

1978-04-24 Publication of IT7849052A0 publication Critical patent/IT7849052A0/it

1985-11-04 Application granted granted Critical

1985-11-04 Publication of IT1105602B publication Critical patent/IT1105602B/it

Links

QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title 2
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title 2
229910021529 ammonia Inorganic materials 0.000 title 1
238000000034 method Methods 0.000 title 1
238000011084 recovery Methods 0.000 title 1

Classifications

- 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
- 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
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Analytical Chemistry (AREA)
Treating Waste Gases (AREA)
Industrial Gases (AREA)
Fertilizers (AREA)

IT49052/78A 1977-04-25 1978-04-24 Procedimento per il recupero di ammoniaca ed anidride solforosa da sali ammonici dell'acido solforico contaminati IT1105602B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7704481A NL7704481A (nl)	1977-04-25	1977-04-25	Werkwijze voor het winnen van ammoniak en zwavel- dioxide uit verontreinigd ammoniumzout van zwavel- zuur.

Publications (2)

Publication Number	Publication Date
IT7849052A0 IT7849052A0 (it)	1978-04-24
IT1105602B true IT1105602B (it)	1985-11-04

Family

ID=19828431

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT49052/78A IT1105602B (it)	1977-04-25	1978-04-24	Procedimento per il recupero di ammoniaca ed anidride solforosa da sali ammonici dell'acido solforico contaminati

Country Status (13)

Country	Link
US (1)	US4208390A (it)
JP (1)	JPS53132500A (it)
AR (1)	AR214449A1 (it)
BE (1)	BE866326A (it)
CA (1)	CA1115929A (it)
CH (1)	CH638759A5 (it)
DE (1)	DE2818070A1 (it)
ES (1)	ES469080A1 (it)
FR (1)	FR2388765A1 (it)
GB (1)	GB1595884A (it)
IT (1)	IT1105602B (it)
MX (1)	MX5269E (it)
NL (1)	NL7704481A (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5082645A (en) *	1990-08-24	1992-01-21	Chemetics International Company, Ltd.	Waste acid recovery process
FR2698156B1 (fr) *	1992-11-16	1995-01-27	Rhone Poulenc Chimie	Procédé de traitement thermique d'un effluent comprenant des matières organiques polluantes ou un composé inorganique.
US5498790A (en) *	1993-06-09	1996-03-12	Novus International, Inc.	Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture
WO2001010776A1 (en) *	1999-08-05	2001-02-15	Novus International, Inc.	Reductive combustion of ammonium salts of sulfuric acid

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1332888A (fr) *	1961-08-30	1963-07-19	Zieren Chemiebau Gmbh Dr A	Procédé pour l'obtention d'ammoniac et de bioxyde de soufre
DE1220398B (de) *	1962-11-15	1966-07-07	Roehm & Haas Gmbh	Gewinnung von Ammoniak und Schwefeldioxyd aus Ammoniumbisulfat enthaltenden Abfallschwefelsaeuren
NL136780C (it) *	1963-10-31
FR1420184A (fr) *	1965-01-08	1965-12-03	Zieren Chemiebau Gmbh Dr A	Procédé pour obtenir séparément du bioxyde de soufre et de l'ammoniac
US3942237A (en) *	1971-10-20	1976-03-09	Giovanni Ongaro	Production of tridimensional indicative and/or decorative pieces
FR2201250A1 (en) *	1972-09-22	1974-04-26	Inst Francais Du Petrole	Sulphur dioxide and ammonia prodn from ammonium sulphate - by contact-ing mixture with granular solid with countercurrent hot reducing gas stream
JPS5420688B2 (it) *	1973-08-06	1979-07-25
CH593934A5 (it) *	1974-09-03	1977-12-30	Inventa Ag

1977
- 1977-04-25 NL NL7704481A patent/NL7704481A/xx not_active Application Discontinuation
1978
- 1978-03-16 JP JP2932478A patent/JPS53132500A/ja active Granted
- 1978-04-21 FR FR7811869A patent/FR2388765A1/fr active Granted
- 1978-04-21 GB GB15887/78A patent/GB1595884A/en not_active Expired
- 1978-04-24 IT IT49052/78A patent/IT1105602B/it active
- 1978-04-24 ES ES469080A patent/ES469080A1/es not_active Expired
- 1978-04-24 US US05/899,396 patent/US4208390A/en not_active Expired - Lifetime
- 1978-04-24 CA CA301,821A patent/CA1115929A/en not_active Expired
- 1978-04-24 AR AR271870A patent/AR214449A1/es active
- 1978-04-25 BE BE187064A patent/BE866326A/xx not_active IP Right Cessation
- 1978-04-25 DE DE19782818070 patent/DE2818070A1/de not_active Ceased
- 1978-04-25 CH CH445978A patent/CH638759A5/de not_active IP Right Cessation
- 1978-04-25 MX MX787039U patent/MX5269E/es unknown

Also Published As

Publication number	Publication date
JPS53132500A (en)	1978-11-18
BE866326A (nl)	1978-10-25
MX5269E (es)	1983-05-26
NL7704481A (nl)	1977-08-31
AR214449A1 (es)	1979-06-15
ES469080A1 (es)	1978-11-16
CH638759A5 (de)	1983-10-14
GB1595884A (en)	1981-08-19
IT7849052A0 (it)	1978-04-24
CA1115929A (en)	1982-01-12
FR2388765B1 (it)	1982-10-29
JPS5647129B2 (it)	1981-11-07
US4208390A (en)	1980-06-17
DE2818070A1 (de)	1978-11-02
FR2388765A1 (fr)	1978-11-24

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