EG15935A - Continuous process for removing silica from spent continuous process of removing silica from spent ppulping liquors ulping liquors - Google Patents
Continuous process for removing silica from spent continuous process of removing silica from spent ppulping liquors ulping liquorsInfo
- Publication number
- EG15935A EG15935A EG146/83A EG14683A EG15935A EG 15935 A EG15935 A EG 15935A EG 146/83 A EG146/83 A EG 146/83A EG 14683 A EG14683 A EG 14683A EG 15935 A EG15935 A EG 15935A
- Authority
- EG
- Egypt
- Prior art keywords
- spent
- liquors
- continuous process
- removing silica
- silica
- Prior art date
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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/928—Paper mill waste, e.g. white water, black liquor treated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/03—Papermaking liquor
Landscapes
- Removal Of Specific Substances (AREA)
- Paper (AREA)
- Silicon Compounds (AREA)
- Processing Of Solid Wastes (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Treatment Of Sludge (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823208200 DE3208200A1 (de) | 1982-03-06 | 1982-03-06 | Verfahren zur kontinuierlichen entfernung von kieselsaeure aus zellstoffablaugen |
Publications (1)
Publication Number | Publication Date |
---|---|
EG15935A true EG15935A (en) | 1988-03-30 |
Family
ID=6157565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EG146/83A EG15935A (en) | 1982-03-06 | 1983-03-05 | Continuous process for removing silica from spent continuous process of removing silica from spent ppulping liquors ulping liquors |
Country Status (6)
Country | Link |
---|---|
US (1) | US4504356A (de) |
EP (1) | EP0088456B1 (de) |
JP (1) | JPS58166983A (de) |
AT (1) | ATE19416T1 (de) |
DE (2) | DE3208200A1 (de) |
EG (1) | EG15935A (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6241390A (ja) * | 1985-08-09 | 1987-02-23 | 株式会社荏原製作所 | 黒液濃縮方法および装置 |
AT393284B (de) * | 1989-12-01 | 1991-09-25 | Waagner Biro Ag | Verfahren zur entkieselung der ablauge |
AT401070B (de) * | 1993-12-23 | 1996-06-25 | Austrian Energy & Environment | Verfahren zur gewinnung grobkörniger reiner kieselsäure |
US6428705B1 (en) | 1996-11-26 | 2002-08-06 | Microbar Incorporated | Process and apparatus for high flow and low pressure impurity removal |
US5965027A (en) * | 1996-11-26 | 1999-10-12 | Microbar Incorporated | Process for removing silica from wastewater |
US5871648A (en) * | 1996-11-26 | 1999-02-16 | Environmental Chemistries, Inc. | Wastewater treatment process and apparatus for high flow impurity removal |
US5900220A (en) * | 1997-01-16 | 1999-05-04 | Microbar Incorporated | Soda ash processing method |
US6398964B1 (en) | 1999-08-19 | 2002-06-04 | Koch Microelectronic Service Company, Inc. | Process for treating aqueous waste containing copper and copper CMP particles |
US6338803B1 (en) | 1999-08-30 | 2002-01-15 | Koch Microelectronic Service Co., Inc. | Process for treating waste water containing hydrofluoric acid and mixed acid etchant waste |
US6203705B1 (en) | 1999-10-22 | 2001-03-20 | Koch Microelectronic Service Company, Inc. | Process for treating waste water containing copper |
EP1094047A1 (de) * | 1999-10-22 | 2001-04-25 | Technische Universiteit Delft | Kristalliation eines Materials aus wässrigen Lösungen |
US7364640B2 (en) * | 2003-09-08 | 2008-04-29 | Alberta Research Council Inc. | Chemimechanical desilication of nonwood plant materials |
US20060225852A1 (en) * | 2005-04-11 | 2006-10-12 | Jan Pekarovic | Process for removing silica from cellulosic material |
CN103693650B (zh) * | 2013-12-25 | 2015-11-18 | 中盈长江国际新能源投资有限公司 | 利用生物质电厂稻壳灰和烟道气生产纳米二氧化硅和纳米碳酸钙的方法 |
CN113443737B (zh) * | 2021-05-18 | 2022-05-13 | 中国环境科学研究院 | 一种制备改性草浆造纸白泥的工艺及脱硫生产石膏的工艺 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1231638A (fr) * | 1957-01-15 | 1960-09-30 | Pechiney | Procédé de traitement des minerais d'aluminium |
JPS5381705A (en) * | 1976-12-24 | 1978-07-19 | Hokusan Kk | Regenerative treatment of waste liquor generated from pulping process oxidizing nonnwood plant by oxygen |
JPS55103387A (en) * | 1979-02-05 | 1980-08-07 | Mitsubishi Heavy Ind Ltd | Silica removal from pulp digesting liqur |
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 |
-
1982
- 1982-03-06 DE DE19823208200 patent/DE3208200A1/de not_active Withdrawn
-
1983
- 1983-02-03 DE DE8383200178T patent/DE3363132D1/de not_active Expired
- 1983-02-03 EP EP83200178A patent/EP0088456B1/de not_active Expired
- 1983-02-03 AT AT83200178T patent/ATE19416T1/de not_active IP Right Cessation
- 1983-02-28 US US06/470,854 patent/US4504356A/en not_active Expired - Lifetime
- 1983-03-05 EG EG146/83A patent/EG15935A/xx active
- 1983-03-07 JP JP58037213A patent/JPS58166983A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0225674B2 (de) | 1990-06-05 |
DE3208200A1 (de) | 1983-09-08 |
JPS58166983A (ja) | 1983-10-03 |
US4504356A (en) | 1985-03-12 |
ATE19416T1 (de) | 1986-05-15 |
EP0088456A1 (de) | 1983-09-14 |
EP0088456B1 (de) | 1986-04-23 |
DE3363132D1 (en) | 1986-05-28 |
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