IT1005698B - Procedimento continuo per la prepa razione di gessoidrato a partire da acido solforico di rifiuto - Google Patents

Procedimento continuo per la prepa razione di gessoidrato a partire da acido solforico di rifiuto

Info

Publication number
IT1005698B
IT1005698B IT1265974A IT1265974A IT1005698B IT 1005698 B IT1005698 B IT 1005698B IT 1265974 A IT1265974 A IT 1265974A IT 1265974 A IT1265974 A IT 1265974A IT 1005698 B IT1005698 B IT 1005698B
Authority
IT
Italy
Prior art keywords
gypsumhydrate
sulfuric acid
waste sulfuric
continuous procedure
prepa ration
Prior art date
Application number
IT1265974A
Other languages
English (en)
Italian (it)
Inventor
M Saburo
K Yukio
K Horoshi
Original Assignee
Ishihara Sanoyo Kaisha Ltd
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 Ishihara Sanoyo Kaisha Ltd filed Critical Ishihara Sanoyo Kaisha Ltd
Application granted granted Critical
Publication of IT1005698B publication Critical patent/IT1005698B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Removal Of Specific Substances (AREA)
IT1265974A 1973-03-23 1974-03-25 Procedimento continuo per la prepa razione di gessoidrato a partire da acido solforico di rifiuto IT1005698B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3259973A JPS5146679B2 (enrdf_load_stackoverflow) 1973-03-23 1973-03-23

Publications (1)

Publication Number Publication Date
IT1005698B true IT1005698B (it) 1976-09-30

Family

ID=12363312

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1265974A IT1005698B (it) 1973-03-23 1974-03-25 Procedimento continuo per la prepa razione di gessoidrato a partire da acido solforico di rifiuto

Country Status (5)

Country Link
JP (1) JPS5146679B2 (enrdf_load_stackoverflow)
AU (1) AU475152B2 (enrdf_load_stackoverflow)
DE (1) DE2414182C3 (enrdf_load_stackoverflow)
GB (1) GB1420558A (enrdf_load_stackoverflow)
IT (1) IT1005698B (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1545789A (en) * 1975-06-04 1979-05-16 Ici Ltd Manufacture of calcium carbonate magnesium bicarbonate magnesium carbonate and calcium sulphate
JPS5265970A (en) * 1975-11-27 1977-05-31 Chiyoda Chem Eng & Constr Co Ltd Process for treating waste water containing sulfate ions
JPS53101993U (enrdf_load_stackoverflow) * 1977-01-24 1978-08-17
US4183908A (en) * 1977-06-24 1980-01-15 Southern California Edison Company Crystalline calcium sulfate dihydrate and process for making same
DE2909572A1 (de) * 1979-03-12 1980-09-25 Hoechst Ag Verfahren zur ueberfuehrung von extraktionsrueckstaenden aus der phosphorsaeurereinigung in feste deponieprodukte
GB9213998D0 (en) * 1992-07-01 1992-08-12 Tioxide Group Services Ltd Process for preparing calcium sulphate
RU2155159C2 (ru) * 1998-11-30 2000-08-27 Поляков Михаил Сергеевич Способ получения синтетического двухводного гипса из кальцийсодержащего сырья
CN103086624B (zh) * 2013-01-22 2015-05-27 武汉理工大学 一种利用钛石膏制取α-半水石膏的方法
CN103073043B (zh) * 2013-02-06 2014-12-03 武汉理工大学 一种增大钛白石膏颗粒结晶生长的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1467292A1 (de) * 1963-08-24 1969-01-23 Yawata Chem Ind Co Ltd Verfahren zur kontinuierlichen Herstellung von Gips und Eisenoxyd

Also Published As

Publication number Publication date
AU6692874A (en) 1975-09-25
JPS5146679B2 (enrdf_load_stackoverflow) 1976-12-10
DE2414182B2 (de) 1981-04-23
DE2414182A1 (de) 1974-10-03
DE2414182C3 (de) 1982-03-25
JPS49121796A (enrdf_load_stackoverflow) 1974-11-21
AU475152B2 (en) 1976-08-12
GB1420558A (en) 1976-01-07

Similar Documents

Publication Publication Date Title
IT1059780B (it) Procedimento per la produzione di acido solforico
IT1090868B (it) Procedimento continuo per la produzione di acido tereftalico
IT1005698B (it) Procedimento continuo per la prepa razione di gessoidrato a partire da acido solforico di rifiuto
IT1004281B (it) Procedimento per la depurazione di acido fosforico umido
IT957833B (it) Metodo per la preparazione di acido alcan solfonico a ciclo continuo
IT1019217B (it) Procedimento per la produzione di fluoruri di acido solfonico
IT1011276B (it) Procedimento per produrre acido p nitro toluol 2 solfonic
IT1020042B (it) Procedimento per la preparazione di acido propionico
IT1068731B (it) Procedimento per la produzione di acido tereftalico
IT1016606B (it) Procedimento per la purificazione dell acido fosforico
IT1004878B (it) Procedimento per la purificazione dell acido fosforico
AR208283A1 (es) Un procedimiento para la preparacion de derivados de acido 2-alquil-2-o 3-fefem-4-carboxilico
BR7403946D0 (pt) Processo para a fabricacao de esteres de acido 5-oxo-carboxilico
IT7950547A0 (it) Procedimento per la produzione di acido di-n-protilacetico
BR7407605D0 (pt) Processo para a preparacao de nitrila de acido ciclo-propanocarboxilico
IT1048197B (it) Procedimento per la separazione di acido fluoridrico
AR214161A1 (es) Un procedimiento para la preparacion de acido 6-beta-acilamido-1-oxadestiapenicilanicos
AR199362A1 (es) Procedimiento para la preparacion de acido 3-cetoglutarico
IT8047850A0 (it) Procedimento per la produzione di semiesteri di acido solforico
BR7301961D0 (pt) Processo para a preparacao de diester de acido sucinilosicinico
IT1008979B (it) Procedimento per la produzione di acido propionico
AR211279A1 (es) Procendimiento continuo de fabricacion de acido fosforico de via humeda
AR218217A1 (es) Proceso para la preparacion de acido 3,6-dicloropicolinico
IT1051931B (it) Procedimento per la produzione di acido clorocianurico
BR7500135A (pt) Processo continuo aperfeicoado para a preparacao da n-monometilamida do acido o o-dimetil-ditiofosforilacetico