IT1245725B - PROCEDURE AND CORRESPONDING PLANT FOR OBTAINING A CHARGE FOR THE PAPER INDUSTRY BASED ON CALCIUM SULPHATE OF HYDRATE AND ALUMINUM SULPHATE - Google Patents

PROCEDURE AND CORRESPONDING PLANT FOR OBTAINING A CHARGE FOR THE PAPER INDUSTRY BASED ON CALCIUM SULPHATE OF HYDRATE AND ALUMINUM SULPHATE

Info

Publication number
IT1245725B
IT1245725B IT02201290A IT2201290A IT1245725B IT 1245725 B IT1245725 B IT 1245725B IT 02201290 A IT02201290 A IT 02201290A IT 2201290 A IT2201290 A IT 2201290A IT 1245725 B IT1245725 B IT 1245725B
Authority
IT
Italy
Prior art keywords
sulphate
hydrate
charge
procedure
obtaining
Prior art date
Application number
IT02201290A
Other languages
Italian (it)
Other versions
IT9022012A1 (en
IT9022012A0 (en
Inventor
Agusti Silvia Pruja
Original Assignee
Cargas Blancas Inorganicas Sa
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 Cargas Blancas Inorganicas Sa filed Critical Cargas Blancas Inorganicas Sa
Publication of IT9022012A0 publication Critical patent/IT9022012A0/en
Publication of IT9022012A1 publication Critical patent/IT9022012A1/en
Application granted granted Critical
Publication of IT1245725B publication Critical patent/IT1245725B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums
    • 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
    • C01F11/466—Conversion of one form of calcium sulfate to another
IT02201290A 1990-10-09 1990-11-12 PROCEDURE AND CORRESPONDING PLANT FOR OBTAINING A CHARGE FOR THE PAPER INDUSTRY BASED ON CALCIUM SULPHATE OF HYDRATE AND ALUMINUM SULPHATE IT1245725B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9002562A ES2023766A6 (en) 1990-10-09 1990-10-09 Calcium sulphate di:hydrate paper filler prepn.

Publications (3)

Publication Number Publication Date
IT9022012A0 IT9022012A0 (en) 1990-11-12
IT9022012A1 IT9022012A1 (en) 1992-05-12
IT1245725B true IT1245725B (en) 1994-10-14

Family

ID=8269112

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02201290A IT1245725B (en) 1990-10-09 1990-11-12 PROCEDURE AND CORRESPONDING PLANT FOR OBTAINING A CHARGE FOR THE PAPER INDUSTRY BASED ON CALCIUM SULPHATE OF HYDRATE AND ALUMINUM SULPHATE

Country Status (3)

Country Link
ES (1) ES2023766A6 (en)
FR (1) FR2667585B1 (en)
IT (1) IT1245725B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2095184B1 (en) * 1994-07-15 1997-09-01 Compania General Yesera S A PROCEDURE FOR THE OBTAINING OF A RADIAL LOAD ESPECIALLY FOR USE IN THE PAPER INDUSTRY, A LOAD PRODUCT FORMED BY CO-CRYSTALLIZATION OF ANHYDED CALCIUM SULPHATES AND HEMIHYDRATE AND A COMPOSITION USEFUL FOR THE PREPARATION OF SUCH LOAD.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB561205A (en) * 1942-07-13 1944-05-10 Francis Robert Himsworth Improvements in or relating to the production of gypsum from anhydrite
FI814197L (en) * 1981-01-02 1982-07-03 Enriqueta Galceran Vila FOER FARING FOR FRAMSTAELLNING AND CHARGING AV CRYSTAL PRODUCTS
FR2629069B1 (en) * 1988-03-24 1990-11-23 Lafarge Sa Platres PROCESS FOR THE PREPARATION OF CALCIUM SULPHATE WITH A LONGLINE CRYSTALLINE STRUCTURE HAVING A LENGTH AND A FACTOR OF MASTERED SHAPE

Also Published As

Publication number Publication date
IT9022012A1 (en) 1992-05-12
IT9022012A0 (en) 1990-11-12
FR2667585A1 (en) 1992-04-10
ES2023766A6 (en) 1992-02-01
FR2667585B1 (en) 1993-08-06

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971223