CH571459A5 - - Google Patents

Info

Publication number
CH571459A5
CH571459A5 CH430871A CH430871A CH571459A5 CH 571459 A5 CH571459 A5 CH 571459A5 CH 430871 A CH430871 A CH 430871A CH 430871 A CH430871 A CH 430871A CH 571459 A5 CH571459 A5 CH 571459A5
Authority
CH
Switzerland
Application number
CH430871A
Original Assignee
Stamicarbon
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.)
Filing date
Publication date
Application filed by Stamicarbon filed Critical Stamicarbon
Publication of CH571459A5 publication Critical patent/CH571459A5/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/14—Hydroxylamine; Salts thereof
    • C01B21/1409—Preparation
    • C01B21/1418—Preparation by catalytic reduction of nitrogen oxides or nitrates with hydrogen
    • 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
    • C01B17/90—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH430871A 1970-03-26 1971-03-24 CH571459A5 (tr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7004350A NL7004350A (tr) 1970-03-26 1970-03-26

Publications (1)

Publication Number Publication Date
CH571459A5 true CH571459A5 (tr) 1976-01-15

Family

ID=19809687

Family Applications (1)

Application Number Title Priority Date Filing Date
CH430871A CH571459A5 (tr) 1970-03-26 1971-03-24

Country Status (13)

Country Link
US (1) US3720755A (tr)
JP (1) JPS5130038B1 (tr)
BE (1) BE764756A (tr)
CH (1) CH571459A5 (tr)
CS (1) CS152496B2 (tr)
DE (1) DE2114806C3 (tr)
ES (1) ES389554A1 (tr)
FR (1) FR2085079A5 (tr)
GB (1) GB1303392A (tr)
NL (1) NL7004350A (tr)
PL (1) PL83136B1 (tr)
SE (1) SE374728B (tr)
ZA (1) ZA711835B (tr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2813755C3 (de) * 1978-03-30 1982-03-25 Kazachskij naučno-issledovatel'skij proektnyj institut fosfornoj promyšlennosti KazNiiGiprofosfor, Čimkent Verfahren zur Reinigung der Orthophosphorsäure
DE3134847A1 (de) * 1981-09-03 1983-03-17 Hoechst Ag, 6000 Frankfurt "verfahren zur gewinnung cadmium-freier rohphosphorsaeure"
JPS58125607A (ja) * 1982-01-18 1983-07-26 Toyo Soda Mfg Co Ltd 湿式リン酸から有機物を除く方法
US4816241A (en) * 1982-02-16 1989-03-28 J. R. Simplot Co. Gaseous reduction of phosphoric acid
US6333411B1 (en) 1998-12-24 2001-12-25 Praxair Technology, Inc. Method for production of hydroxylammonium phosphate in the synthesis of caprolactam
US6469163B1 (en) 1998-12-24 2002-10-22 Praxair Technology Inc. Method for production of hydroxylamine sulfate in the conventional process for the synthesis of caprolactam
AU2001264408A1 (en) * 2000-06-05 2001-12-17 Dsm N.V. Process for the production of cyclohexanone oxime
EP1318141A1 (en) * 2001-12-04 2003-06-11 Dsm Nv Process for treating an aqueous medium containing phosphate, cyclohexanone and cyclohexanone oxime
MXPA04005414A (es) * 2001-12-04 2004-10-11 Dsm Ip Assets Bv Procedimiento para el tratamiento de un medio acuoso que contiene ciclohexanona oxima y ciclohexanona.
TWI274041B (en) * 2006-04-14 2007-02-21 China Petrochemical Dev Corp Method for manufacturing hydroxylamine
US8153092B2 (en) * 2006-04-14 2012-04-10 China Petrochemical Development Corporation Method for manufacturing hydroxylamine
EP1964811B1 (en) * 2007-02-28 2016-11-30 China Petrochemical Development Corporation Method for preparing hydroxylammonium phosphate
ATE519711T1 (de) * 2007-04-05 2011-08-15 China Petrochemical Dev Corp Verfahren zur herstellung von hydroxylamin
GB201213266D0 (en) * 2012-07-26 2012-09-05 Univ Gent Membranes, azeotropic & catalytic components

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US826089A (en) * 1905-12-19 1906-07-17 David T Day Process of refining and purifying hydrocarbon oils.
US1597984A (en) * 1923-09-13 1926-08-31 Bour Harry E La Method of concentrating and purification of phosphoric acid
US1562818A (en) * 1925-05-05 1925-11-24 Wolfes Otto Process for the purification of phosphoric acid containing arsenic
US2478261A (en) * 1946-04-02 1949-08-09 Du Pont Polhydric cyclic alcohols
US2628888A (en) * 1950-11-08 1953-02-17 Du Pont Chemical process for the production of an acid salt of hydroxylamine
US3186793A (en) * 1960-10-10 1965-06-01 Internat Minerals & Chemicals Clarification of acidic phosphatic solutions

Also Published As

Publication number Publication date
DE2114806C3 (de) 1981-02-19
CS152496B2 (tr) 1973-12-19
GB1303392A (tr) 1973-01-17
NL7004350A (tr) 1971-09-28
PL83136B1 (tr) 1975-12-31
US3720755A (en) 1973-03-13
JPS5130038B1 (tr) 1976-08-28
DE2114806B2 (de) 1980-06-19
FR2085079A5 (tr) 1971-12-17
SE374728B (tr) 1975-03-17
ZA711835B (en) 1971-12-29
ES389554A1 (es) 1973-06-16
BE764756A (fr) 1971-09-24
DE2114806A1 (de) 1971-10-14

Similar Documents

Publication Publication Date Title
FR2085079A5 (tr)
ATA96471A (tr)
AU2044470A (tr)
AU1146470A (tr)
AU1473870A (tr)
AU1326870A (tr)
AU2017870A (tr)
AU1833270A (tr)
AU1716970A (tr)
AU2085370A (tr)
AU1517670A (tr)
AU1336970A (tr)
AR195465A1 (tr)
AU1591370A (tr)
AU1872870A (tr)
AU2144270A (tr)
AU1277070A (tr)
AU1343870A (tr)
AU1247570A (tr)
AU2131570A (tr)
AU2130770A (tr)
AU2130570A (tr)
AU1235770A (tr)
AU1581370A (tr)
AU1189670A (tr)

Legal Events

Date Code Title Description
PL Patent ceased