ES8802460A1 - Mixing pozzolanic material and gypsum to form granular mix - Google Patents

Mixing pozzolanic material and gypsum to form granular mix

Info

Publication number
ES8802460A1
ES8802460A1 ES526689A ES526689A ES8802460A1 ES 8802460 A1 ES8802460 A1 ES 8802460A1 ES 526689 A ES526689 A ES 526689A ES 526689 A ES526689 A ES 526689A ES 8802460 A1 ES8802460 A1 ES 8802460A1
Authority
ES
Spain
Prior art keywords
composition
fly ash
mixing
calcium sulphate
sulphate hemihydrate
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES526689A
Other languages
Spanish (es)
Other versions
ES526689A0 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pelt and Hooykaas BV
Original Assignee
Pelt and Hooykaas BV
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 Pelt and Hooykaas BV filed Critical Pelt and Hooykaas BV
Priority to ES526689A priority Critical patent/ES8802460A1/en
Publication of ES8802460A1 publication Critical patent/ES8802460A1/en
Publication of ES526689A0 publication Critical patent/ES526689A0/en
Expired legal-status Critical Current

Links

Landscapes

  • Processing Of Solid Wastes (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The mixt. pref. comprises fly ash (at least 10%) calcium sulphate hemihydrate and 0.1-10% wt. oxysludge contg. Fe which is obtd. from the gases of a steel converter. Another hydraulic binder may be added to the mixt. - A granular free flowing product is obtained using calcium sulphate hemihydrate produced in preparing phosphonic acid. (0/0) EPAB- EP-109700 B A composition in the form of a loose mass or granules obtained by mixing fly ash and a moisture containing calciumsulphate composition, characterised in that a calciumsulphate hemihydrate base composition has been mixed with fly ash and oxisludge. (3pp) USAB- US4509986 A A composition having a loose and/or granular composition is obtained by mixing pref. 25-35% fly ash with a moisture containing base composition of moist calcium sulphate hemihydrate, an inhibitor and a compound inactivating this inhibitor and consisting of a solid product recovered from the dusty gas from steel convertors and containing at least one volatile metal (compound).
ES526689A 1983-10-21 1983-10-21 Mixing pozzolanic material and gypsum to form granular mix Expired ES8802460A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES526689A ES8802460A1 (en) 1983-10-21 1983-10-21 Mixing pozzolanic material and gypsum to form granular mix

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES526689A ES8802460A1 (en) 1983-10-21 1983-10-21 Mixing pozzolanic material and gypsum to form granular mix

Publications (2)

Publication Number Publication Date
ES8802460A1 true ES8802460A1 (en) 1988-06-01
ES526689A0 ES526689A0 (en) 1988-06-01

Family

ID=8486367

Family Applications (1)

Application Number Title Priority Date Filing Date
ES526689A Expired ES8802460A1 (en) 1983-10-21 1983-10-21 Mixing pozzolanic material and gypsum to form granular mix

Country Status (1)

Country Link
ES (1) ES8802460A1 (en)

Also Published As

Publication number Publication date
ES526689A0 (en) 1988-06-01

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