CA2614763A1 - Procede de deshydratation des boues de pate chimico-thermomecanique blanchie/pate chimico-thermomecanique - Google Patents

Procede de deshydratation des boues de pate chimico-thermomecanique blanchie/pate chimico-thermomecanique Download PDF

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Publication number
CA2614763A1
CA2614763A1 CA002614763A CA2614763A CA2614763A1 CA 2614763 A1 CA2614763 A1 CA 2614763A1 CA 002614763 A CA002614763 A CA 002614763A CA 2614763 A CA2614763 A CA 2614763A CA 2614763 A1 CA2614763 A1 CA 2614763A1
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CA
Canada
Prior art keywords
sludge
cationic polyacrylamide
polyethylene oxide
bctmp
ctmp
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.)
Granted
Application number
CA002614763A
Other languages
English (en)
Other versions
CA2614763C (fr
Inventor
Mengjun Li
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.)
Individual
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
Priority to CA2614763A priority Critical patent/CA2614763C/fr
Publication of CA2614763A1 publication Critical patent/CA2614763A1/fr
Application granted granted Critical
Publication of CA2614763C publication Critical patent/CA2614763C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • 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
    • C02F11/148—Combined use of inorganic and organic substances, being added in the same treatment step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)
  • Paper (AREA)
CA2614763A 2007-04-17 2007-04-17 Procede de deshydratation des boues de pate chimico-thermomecanique blanchie/pate chimico-thermomecanique Active CA2614763C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2614763A CA2614763C (fr) 2007-04-17 2007-04-17 Procede de deshydratation des boues de pate chimico-thermomecanique blanchie/pate chimico-thermomecanique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2590822A CA2590822C (fr) 2007-04-17 2007-04-17 Procede de deshydratation des boues
CA2614763A CA2614763C (fr) 2007-04-17 2007-04-17 Procede de deshydratation des boues de pate chimico-thermomecanique blanchie/pate chimico-thermomecanique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2590822A Division CA2590822C (fr) 2007-04-17 2007-04-17 Procede de deshydratation des boues

Publications (2)

Publication Number Publication Date
CA2614763A1 true CA2614763A1 (fr) 2008-10-17
CA2614763C CA2614763C (fr) 2010-06-22

Family

ID=39855389

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2590822A Active CA2590822C (fr) 2007-04-17 2007-04-17 Procede de deshydratation des boues
CA2614763A Active CA2614763C (fr) 2007-04-17 2007-04-17 Procede de deshydratation des boues de pate chimico-thermomecanique blanchie/pate chimico-thermomecanique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2590822A Active CA2590822C (fr) 2007-04-17 2007-04-17 Procede de deshydratation des boues

Country Status (1)

Country Link
CA (2) CA2590822C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103553293A (zh) * 2013-11-07 2014-02-05 上海环保工程成套有限公司 一种利用填埋场稳定化污泥焚烧残渣固化新鲜污泥的深度脱水方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104671636A (zh) * 2015-01-30 2015-06-03 深圳市水务(集团)有限公司 一种污泥深度脱水调理药剂和应用方法
CN109912174B (zh) * 2017-12-13 2022-01-04 中国石油化工股份有限公司 一种剩余活性污泥破壁深度脱水处理方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103553293A (zh) * 2013-11-07 2014-02-05 上海环保工程成套有限公司 一种利用填埋场稳定化污泥焚烧残渣固化新鲜污泥的深度脱水方法
CN103553293B (zh) * 2013-11-07 2014-12-24 上海环保工程成套有限公司 一种利用填埋场稳定化污泥焚烧残渣固化新鲜污泥的深度脱水方法

Also Published As

Publication number Publication date
CA2614763C (fr) 2010-06-22
CA2590822C (fr) 2010-06-22
CA2590822A1 (fr) 2008-10-17

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