FI110791B - Menetelmä karkearakeisten puhtaiden piihappokiteiden talteenottoa varten - Google Patents

Menetelmä karkearakeisten puhtaiden piihappokiteiden talteenottoa varten Download PDF

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Publication number
FI110791B
FI110791B FI962528A FI962528A FI110791B FI 110791 B FI110791 B FI 110791B FI 962528 A FI962528 A FI 962528A FI 962528 A FI962528 A FI 962528A FI 110791 B FI110791 B FI 110791B
Authority
FI
Finland
Prior art keywords
silica
lignin
washing
waste liquor
grained
Prior art date
Application number
FI962528A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI962528A (fi
FI962528A0 (fi
Inventor
Alfred Glasner
Original Assignee
Ae Energietechnik Gmbh
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 Ae Energietechnik Gmbh filed Critical Ae Energietechnik Gmbh
Publication of FI962528A publication Critical patent/FI962528A/fi
Publication of FI962528A0 publication Critical patent/FI962528A0/fi
Application granted granted Critical
Publication of FI110791B publication Critical patent/FI110791B/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/10—Concentrating spent liquor by evaporation
    • D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors

Landscapes

  • Paper (AREA)
  • Silicon Compounds (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Detergent Compositions (AREA)
FI962528A 1993-12-23 1996-06-18 Menetelmä karkearakeisten puhtaiden piihappokiteiden talteenottoa varten FI110791B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT260893 1993-12-23
AT0260893A AT401070B (de) 1993-12-23 1993-12-23 Verfahren zur gewinnung grobkörniger reiner kieselsäure
AT9400202 1994-12-22
PCT/AT1994/000202 WO1995017547A1 (de) 1993-12-23 1994-12-22 Verfahren zur gewinnung grobkörniger reiner kieselsäurekristalle

Publications (3)

Publication Number Publication Date
FI962528A FI962528A (fi) 1996-06-18
FI962528A0 FI962528A0 (fi) 1996-06-18
FI110791B true FI110791B (fi) 2003-03-31

Family

ID=3537315

Family Applications (1)

Application Number Title Priority Date Filing Date
FI962528A FI110791B (fi) 1993-12-23 1996-06-18 Menetelmä karkearakeisten puhtaiden piihappokiteiden talteenottoa varten

Country Status (12)

Country Link
US (1) US5730838A (de)
EP (1) EP0736119B1 (de)
JP (1) JPH09506936A (de)
CN (1) CN1042359C (de)
AT (1) AT401070B (de)
AU (1) AU1267195A (de)
BR (1) BR9408498A (de)
CA (1) CA2179730A1 (de)
DE (1) DE59403484D1 (de)
FI (1) FI110791B (de)
HU (1) HU219547B (de)
WO (1) WO1995017547A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100396610C (zh) * 2003-02-18 2008-06-25 雷吉斯特印度科学院 从稻壳灰生产沉淀二氧化硅的方法和装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331507A (en) * 1979-12-10 1982-05-25 Dorr-Oliver Incorporated Desilication in alkaline pulp processes
IN154386B (de) * 1979-12-10 1984-10-20 Dorr Oliver Inc
DE3003090A1 (de) * 1980-01-29 1981-08-13 Debendra Kumar Ph.D. Athinä Misra Verfahren zur entkieselung alkalischer ablaugen
US4504256A (en) * 1981-03-09 1985-03-12 Mitsuboshi Belting Ltd. Variable V-belt
DE3208200A1 (de) * 1982-03-06 1983-09-08 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur kontinuierlichen entfernung von kieselsaeure aus zellstoffablaugen
AT393284B (de) * 1989-12-01 1991-09-25 Waagner Biro Ag Verfahren zur entkieselung der ablauge

Also Published As

Publication number Publication date
JPH09506936A (ja) 1997-07-08
EP0736119A1 (de) 1996-10-09
FI962528A (fi) 1996-06-18
WO1995017547A1 (de) 1995-06-29
CN1139467A (zh) 1997-01-01
CA2179730A1 (en) 1995-06-29
DE59403484D1 (de) 1997-09-04
HUT75968A (en) 1997-05-28
AU1267195A (en) 1995-07-10
HU9601493D0 (en) 1996-07-29
US5730838A (en) 1998-03-24
AT401070B (de) 1996-06-25
HU219547B (hu) 2001-05-28
CN1042359C (zh) 1999-03-03
ATA260893A (de) 1995-10-15
FI962528A0 (fi) 1996-06-18
EP0736119B1 (de) 1997-07-23
BR9408498A (pt) 1997-08-26

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