ATA260893A - Verfahren zur gewinnung grobkörniger reiner kieselsäure - Google Patents

Verfahren zur gewinnung grobkörniger reiner kieselsäure

Info

Publication number: ATA260893A
Authority: AT; Austria
Prior art keywords: pure silica; coarse grained; obtaining coarse; grained pure; obtaining
Prior art date: 1993-12-23

Application number

AT0260893A

Other languages

English (en)

Other versions

AT401070B (de

Inventor

Alfred Glasner

Original Assignee

Austrian Energy & Environment

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.)

1993-12-23

Filing date

1993-12-23

Publication date

1995-10-15

1993-12-23 Priority to AT0260893A priority Critical patent/AT401070B/de

1993-12-23 Application filed by Austrian Energy & Environment filed Critical Austrian Energy & Environment

1994-12-22 Priority to DE59403484T priority patent/DE59403484D1/de

1994-12-22 Priority to EP95903701A priority patent/EP0736119B1/de

1994-12-22 Priority to HU9601493A priority patent/HU219547B/hu

1994-12-22 Priority to CN94194634A priority patent/CN1042359C/zh

1994-12-22 Priority to CA002179730A priority patent/CA2179730A1/en

1994-12-22 Priority to PCT/AT1994/000202 priority patent/WO1995017547A1/de

1994-12-22 Priority to JP7517049A priority patent/JPH09506936A/ja

1994-12-22 Priority to US08/669,434 priority patent/US5730838A/en

1994-12-22 Priority to AU12671/95A priority patent/AU1267195A/en

1994-12-22 Priority to BR9408498A priority patent/BR9408498A/pt

1995-10-15 Publication of ATA260893A publication Critical patent/ATA260893A/de

1996-06-18 Priority to FI962528A priority patent/FI110791B/fi

1996-06-25 Application granted granted Critical

1996-06-25 Publication of AT401070B publication Critical patent/AT401070B/de

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

AT0260893A 1993-12-23 1993-12-23 Verfahren zur gewinnung grobkörniger reiner kieselsäure AT401070B (de)

Priority Applications (12)

Application Number	Priority Date	Filing Date	Title
AT0260893A AT401070B (de)	1993-12-23	1993-12-23	Verfahren zur gewinnung grobkörniger reiner kieselsäure
US08/669,434 US5730838A (en)	1993-12-23	1994-12-22	Process for extracting pure, coarse grain silicic acid crystals from spent lye
HU9601493A HU219547B (hu)	1993-12-23	1994-12-22	Eljárás durva szemcséjű, tiszta kovasavkristályok kinyerésére
CN94194634A CN1042359C (zh)	1993-12-23	1994-12-22	获得粗粒纯硅酸结晶的方法
CA002179730A CA2179730A1 (en)	1993-12-23	1994-12-22	Process for extracting pure, coarse grain silicic acid crystals
PCT/AT1994/000202 WO1995017547A1 (de)	1993-12-23	1994-12-22	Verfahren zur gewinnung grobkörniger reiner kieselsäurekristalle
DE59403484T DE59403484D1 (de)	1993-12-23	1994-12-22	Verfahren zur gewinnung grobkörniger reiner kieselsäurekristalle
EP95903701A EP0736119B1 (de)	1993-12-23	1994-12-22	Verfahren zur gewinnung grobkörniger reiner kieselsäurekristalle
AU12671/95A AU1267195A (en)	1993-12-23	1994-12-22	Process for extracting pure, coarse grain silicic acid crystals
BR9408498A BR9408498A (pt)	1993-12-23	1994-12-22	Processo para a extração de cristais de grãos grossos de ácido silicico puro
JP7517049A JPH09506936A (ja)	1993-12-23	1994-12-22	粗粒子状の純粋ケイ酸結晶の製法
FI962528A FI110791B (fi)	1993-12-23	1996-06-18	Menetelmä karkearakeisten puhtaiden piihappokiteiden talteenottoa varten

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
AT0260893A AT401070B (de)	1993-12-23	1993-12-23	Verfahren zur gewinnung grobkörniger reiner kieselsäure

Publications (2)

Publication Number	Publication Date
ATA260893A true ATA260893A (de)	1995-10-15
AT401070B AT401070B (de)	1996-06-25

Family

ID=3537315

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT0260893A AT401070B (de)	1993-12-23	1993-12-23	Verfahren zur gewinnung grobkörniger reiner kieselsäure

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
WO2004073600A2 (en) *	2003-02-18	2004-09-02	The Registrar, Indian Institute Of Science	A novel process and appratus for the manufacture of precipitated silica from rice husk ash

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IN154386B (de) *	1979-12-10	1984-10-20	Dorr Oliver Inc
US4331507A (en) *	1979-12-10	1982-05-25	Dorr-Oliver Incorporated	Desilication in alkaline pulp processes
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

1993
- 1993-12-23 AT AT0260893A patent/AT401070B/de not_active IP Right Cessation
1994
- 1994-12-22 BR BR9408498A patent/BR9408498A/pt not_active Application Discontinuation
- 1994-12-22 HU HU9601493A patent/HU219547B/hu not_active IP Right Cessation
- 1994-12-22 CN CN94194634A patent/CN1042359C/zh not_active Expired - Fee Related
- 1994-12-22 EP EP95903701A patent/EP0736119B1/de not_active Expired - Lifetime
- 1994-12-22 WO PCT/AT1994/000202 patent/WO1995017547A1/de active IP Right Grant
- 1994-12-22 CA CA002179730A patent/CA2179730A1/en not_active Abandoned
- 1994-12-22 DE DE59403484T patent/DE59403484D1/de not_active Expired - Fee Related
- 1994-12-22 AU AU12671/95A patent/AU1267195A/en not_active Abandoned
- 1994-12-22 US US08/669,434 patent/US5730838A/en not_active Expired - Fee Related
- 1994-12-22 JP JP7517049A patent/JPH09506936A/ja active Pending
1996
- 1996-06-18 FI FI962528A patent/FI110791B/fi not_active IP Right Cessation

Also Published As

Publication number	Publication date
CN1139467A (zh)	1997-01-01
JPH09506936A (ja)	1997-07-08
AT401070B (de)	1996-06-25
CA2179730A1 (en)	1995-06-29
EP0736119A1 (de)	1996-10-09
FI110791B (fi)	2003-03-31
WO1995017547A1 (de)	1995-06-29
CN1042359C (zh)	1999-03-03
BR9408498A (pt)	1997-08-26
US5730838A (en)	1998-03-24
EP0736119B1 (de)	1997-07-23
DE59403484D1 (de)	1997-09-04
FI962528A (fi)	1996-06-18
HU9601493D0 (en)	1996-07-29
HU219547B (hu)	2001-05-28
HUT75968A (en)	1997-05-28
AU1267195A (en)	1995-07-10
FI962528A0 (fi)	1996-06-18

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Legal Events

Date	Code	Title	Description
2006-06-15	ELJ	Ceased due to non-payment of the annual fee