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 liquors

Info

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
Application number
EG146/83A
Other languages
English (en)
Original Assignee
Metallgesellschaft Ag
Metall Ges
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 Metallgesellschaft Ag, Metall Ges filed Critical Metallgesellschaft Ag
Application granted granted Critical
Publication of EG15935A publication Critical patent/EG15935A/xx

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)
  • Processing Of Solid Wastes (AREA)
  • Silicon Compounds (AREA)
  • Treating Waste Gases (AREA)
  • Treatment Of Sludge (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
EG146/83A 1982-03-06 1983-03-05 Continuous process for removing silica from spent continuous process of removing silica from spent ppulping liquors ulping liquors EG15935A (en)

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 (xx)
EP (1) EP0088456B1 (xx)
JP (1) JPS58166983A (xx)
AT (1) ATE19416T1 (xx)
DE (2) DE3208200A1 (xx)
EG (1) EG15935A (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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
US5965027A (en) 1996-11-26 1999-10-12 Microbar Incorporated Process for removing silica from wastewater
US6428705B1 (en) 1996-11-26 2002-08-06 Microbar Incorporated Process and apparatus for high flow and low pressure impurity removal
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 (en) * 1999-10-22 2001-04-25 Technische Universiteit Delft Crystallisation of materials from aqueous solutions
CA2526406C (en) * 2003-09-08 2012-06-26 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS58166983A (ja) 1983-10-03
JPH0225674B2 (xx) 1990-06-05
DE3208200A1 (de) 1983-09-08
DE3363132D1 (en) 1986-05-28
EP0088456B1 (de) 1986-04-23
ATE19416T1 (de) 1986-05-15
US4504356A (en) 1985-03-12
EP0088456A1 (de) 1983-09-14

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