CA2224683A1 - Process for treating a surplus activated sludge - Google Patents

Process for treating a surplus activated sludge Download PDF

Info

Publication number
CA2224683A1
CA2224683A1 CA002224683A CA2224683A CA2224683A1 CA 2224683 A1 CA2224683 A1 CA 2224683A1 CA 002224683 A CA002224683 A CA 002224683A CA 2224683 A CA2224683 A CA 2224683A CA 2224683 A1 CA2224683 A1 CA 2224683A1
Authority
CA
Canada
Prior art keywords
activated sludge
treating
surplus activated
sulfate
sludge
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.)
Abandoned
Application number
CA002224683A
Other languages
English (en)
French (fr)
Inventor
Vladimir Pavlovich Groudinine
Alexandre Vladimirovich Groudinine
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.)
ANISSIMOV ALEXANDRE PAVLOVICH
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2224683A1 publication Critical patent/CA2224683A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
    • C02F11/145—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances using calcium compounds
    • 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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
CA002224683A 1995-07-18 1996-02-12 Process for treating a surplus activated sludge Abandoned CA2224683A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU95112218 1995-07-18
RU9595112218A RU2079454C1 (ru) 1995-07-18 1995-07-18 Способ обработки избыточного активного ила

Publications (1)

Publication Number Publication Date
CA2224683A1 true CA2224683A1 (en) 1997-02-06

Family

ID=20170155

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002224683A Abandoned CA2224683A1 (en) 1995-07-18 1996-02-12 Process for treating a surplus activated sludge

Country Status (11)

Country Link
EP (1) EP0842125A1 (ja)
JP (1) JPH11510090A (ja)
KR (1) KR19990028251A (ja)
CN (1) CN1196033A (ja)
AU (1) AU4680296A (ja)
BR (1) BR9609736A (ja)
CA (1) CA2224683A1 (ja)
FI (1) FI980091A0 (ja)
NO (1) NO980210D0 (ja)
RU (1) RU2079454C1 (ja)
WO (1) WO1997003928A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1295399C (zh) * 2003-12-01 2007-01-17 中国农业科学院土壤肥料研究所 生活污泥－废弃塑料混聚物修复岩石坡面技术
CN104066885B (zh) * 2011-11-04 2015-10-21 维美德公司 苛化工艺制备白液的方法
CN102491618A (zh) * 2011-11-29 2012-06-13 曾秀仪 一种剩余污泥的深度脱水方法
CN106396308B (zh) * 2016-10-27 2019-12-31 环境保护部华南环境科学研究所 一种剩余活性污泥的回收利用方法
CN109279758B (zh) * 2018-11-21 2021-08-10 湖南骏泰新材料科技有限责任公司 一种绿泥高效洗涤方法
CN110424179B (zh) * 2019-08-26 2021-09-21 华南理工大学 一种造纸污泥焚烧后固废改性用作造纸填料的方法
CN112726252B (zh) * 2020-11-30 2022-11-25 山东华泰纸业股份有限公司 一种造纸厂废渣的综合利用方法
CN112796144A (zh) * 2020-12-28 2021-05-14 山东泗水金立得纸业有限公司 一种无碳复写纸产线污泥回收高岭土的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2410394A1 (de) * 1973-03-07 1974-09-12 Andco Inc Verfahren zum entwaessern eines waessrigen schlamms dispergierten, fein zerkleinerten feststoffes
US4030968A (en) * 1975-12-22 1977-06-21 Consolidated-Bathurst Limited Disposal of paper pulp mill sludge
NL7707081A (nl) * 1977-06-27 1978-12-29 Stamicarbon Werkwijze voor het biologisch zuiveren van afvalwater.
SU1038287A1 (ru) * 1979-11-20 1983-08-30 Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности Способ обработки избыточного активного ила
DE3043518C2 (de) * 1979-11-20 1985-08-01 Amurskij celljulozno-kartonnyj kombinat, Amursk Verfahren zur Rückgewinnung von Abwässerniederschlägen bzw. -rückständen

Also Published As

Publication number Publication date
BR9609736A (pt) 1999-12-21
WO1997003928A1 (en) 1997-02-06
NO980210L (no) 1998-01-16
CN1196033A (zh) 1998-10-14
EP0842125A1 (en) 1998-05-20
KR19990028251A (ko) 1999-04-15
FI980091A (fi) 1998-01-16
FI980091A0 (fi) 1998-01-16
NO980210D0 (no) 1998-01-16
AU4680296A (en) 1997-02-18
JPH11510090A (ja) 1999-09-07
RU2079454C1 (ru) 1997-05-20

Similar Documents

Publication Publication Date Title
FI63794B (fi) Blekerioperation
EP0642610B1 (en) Treatment of bleach plant effluents
CA1286456C (en) Method for green liquor cleaning in sulphate pulp mills
WO2005100681A1 (en) Method and device for washing of lime mud
CA2224683A1 (en) Process for treating a surplus activated sludge
EP0672208B1 (en) Method of bleaching pulp without using chlorine-containing chemicals
CN106414347B (zh) 用于减少流出物或过滤物中的磷的方法和系统
AU688683B2 (en) Leaching process
US5705031A (en) Process for removing and washing dregs from green liquor in a kraft pulp mill
CN111542661B (zh) 用于调节浆厂的S/Na平衡的方法和系统
US5961803A (en) Leaching process
WO2019106069A1 (en) Method and a system for washing paper pulp
FI64670B (fi) Aotervinningsfoerfarande vid sulfatcellulosakokning
RU2649268C2 (ru) Способ каустификации зеленого щелока
CA1053412A (en) Process and apparatus for recovery of sulfur from a polysulfide pulping operation
CA2185904C (en) Recovering chemical values from black liquor
US11655589B2 (en) Method and a system for adjusting PH of green liquor dregs
CA1043516A (en) Method for producing oxidized white liquor
FI72155B (fi) Foerfarande foer kausticering av groenlut i en alkalisk massakokningsprocess
CN214882586U (zh) 一种硫酸盐法制浆渣浆回收系统及硫酸盐法制浆生产线
SU1038287A1 (ru) Способ обработки избыточного активного ила
JPH07508564A (ja) カセイ化処理による製品の濾過方法
Hammar et al. Measures taken against water pollution in the kraft pulp and paper industry
EP3126296A1 (en) Method and system for reducing phosphorus in effluent or filtrate
CA1089161A (en) Bleached kraft pulp mill operation

Legal Events

Date Code Title Description
FZDE Discontinued