NL132894C - - Google Patents

Info

Publication number
NL132894C
NL132894C NL132894DA NL132894C NL 132894 C NL132894 C NL 132894C NL 132894D A NL132894D A NL 132894DA NL 132894 C NL132894 C NL 132894C
Authority
NL
Netherlands
Application number
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.)
Publication date
Application granted granted Critical
Publication of NL132894C publication Critical patent/NL132894C/xx

Links

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
    • C01C1/12—Separation of ammonia from gases and vapours
    • 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
    • C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
    • C01B17/504—Preparation of sulfur dioxide by reduction of sulfur compounds of ammonium sulfates
    • 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
    • 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)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Industrial Gases (AREA)
NL132894D 1961-08-30 NL132894C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC24970A DE1160421B (de) 1961-08-30 1961-08-30 Verfahren zur Gewinnung von Ammoniak und Schwefeldioxyd

Publications (1)

Publication Number Publication Date
NL132894C true NL132894C (fr) 1900-01-01

Family

ID=7017774

Family Applications (2)

Application Number Title Priority Date Filing Date
NL132894D NL132894C (fr) 1961-08-30
NL282684D NL282684A (fr) 1961-08-30

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL282684D NL282684A (fr) 1961-08-30

Country Status (5)

Country Link
US (1) US3275407A (fr)
BE (1) BE621900A (fr)
DE (1) DE1160421B (fr)
GB (1) GB1004524A (fr)
NL (2) NL282684A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1084096A (fr) * 1963-12-03 1900-01-01
US3419601A (en) * 1964-03-03 1968-12-31 Du Pont Cyclic process for the production of methyl methacrylate
US3645671A (en) * 1969-10-24 1972-02-29 Exxon Research Engineering Co Flue gas desulfurization with ammonium sulfite
US3645683A (en) * 1970-03-10 1972-02-29 Du Pont Regeneration of acid
US3950502A (en) * 1971-02-19 1976-04-13 Chemiebau Dr. A. Zieren Gesellschaft Mit Beschrankter Haftung & Co. Kg Process for working up the scrubbing solution obtained in the scrubbing of So2 -containing waste gases
US3954955A (en) * 1971-08-31 1976-05-04 Davy Powergas Gmbh Process for working up the wash solution obtained in the washing of SO2 -containing off-gases
NL164028C (nl) * 1971-05-07 1980-11-17 Stamicarbon Werkwijze voor de afscheiding van lactamen.
US3852273A (en) * 1971-05-07 1974-12-03 Stamicarbon Process for preparing and recovering lactams
FR2138545B1 (fr) * 1971-05-27 1973-05-25 Inst Francais Du Petrole
DE2130036B2 (de) * 1971-06-18 1977-02-10 Davy Powergas GmbH, 5000 Köln Verfahren zur herstellung von lactamen
DE2130037B2 (de) * 1971-06-18 1977-02-10 Davy Powergas GmbH, 5000Köln Verfahren zur herstellung von lactamen
DE2333518C3 (de) * 1973-07-02 1981-02-26 Dr. C. Otto & Comp. Gmbh, 4630 Bochum Verfahren zur Entfernung des Ammoniaks aus Gasen
NL7601061A (nl) * 1976-02-03 1977-08-05 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuur-reac- tiemengsel.
NL7607047A (nl) * 1976-06-28 1977-12-30 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactam-zwavelzuur- -reactiemengsel.
DE2900426A1 (de) * 1978-01-10 1979-07-12 Inst Francais Du Petrol Verfahren zur umwandlung von ammonium- imidodisulfat, ammoniumsulfamat und ammoniumdithionat in schwefeldioxid und ammoniak
DE3732026A1 (de) * 1987-09-23 1989-04-06 Hoelter Heinz Thermische reinigung von e-filterasche, die mit ammoniak oder ammonsalzen belastet ist
US5082645A (en) * 1990-08-24 1992-01-21 Chemetics International Company, Ltd. Waste acid recovery process
NO315600B1 (no) * 2001-09-27 2003-09-29 Silicatech Ans V Ole Johan Aul Fremgangsmåte for fremstilling av ammoniakk og svovelsyre ved spalting av ammoniumsulfat
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926070A (en) * 1954-02-23 1960-02-23 Houdry Process Corp Decomposition of ammonium sulfate
US2927001A (en) * 1958-06-30 1960-03-01 Robert F Mccullough Production of ammonia and sulfurbearing materials from ammonium sulfate

Also Published As

Publication number Publication date
GB1004524A (en) 1965-09-15
DE1160421B (de) 1964-01-02
US3275407A (en) 1966-09-27
NL282684A (fr) 1900-01-01
BE621900A (fr) 1900-01-01

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