DE69407030D1 - Verfahren und vorrichtung zur kontrolle der entwaesserung von suspensionen - Google Patents

Verfahren und vorrichtung zur kontrolle der entwaesserung von suspensionen

Info

Publication number
DE69407030D1
DE69407030D1 DE69407030T DE69407030T DE69407030D1 DE 69407030 D1 DE69407030 D1 DE 69407030D1 DE 69407030 T DE69407030 T DE 69407030T DE 69407030 T DE69407030 T DE 69407030T DE 69407030 D1 DE69407030 D1 DE 69407030D1
Authority
DE
Germany
Prior art keywords
suspensions
drainage
controlling
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.)
Expired - Fee Related
Application number
DE69407030T
Other languages
English (en)
Other versions
DE69407030T2 (de
Inventor
Timothy Cameron
John Rodney Field
Mark Glachan
Peter James Tovey
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.)
Ciba Specialty Chemicals Water Treatments Ltd
Original Assignee
Allied Colloids Ltd
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 Allied Colloids Ltd filed Critical Allied Colloids Ltd
Publication of DE69407030D1 publication Critical patent/DE69407030D1/de
Application granted granted Critical
Publication of DE69407030T2 publication Critical patent/DE69407030T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • C02F1/5209—Regulation methods for flocculation or precipitation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/605—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by level measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6438—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/03—Processes of filtration using flocculating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/04—Controlling the filtration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Filtration Of Liquid (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
DE69407030T 1993-02-04 1994-01-24 Verfahren und vorrichtung zur kontrolle der entwaesserung von suspensionen Expired - Fee Related DE69407030T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939302151A GB9302151D0 (en) 1993-02-04 1993-02-04 Determination of dewatering performance
PCT/GB1994/000130 WO1994017895A1 (en) 1993-02-04 1994-01-24 Process and apparatus for controlling the dewatering of suspensions

Publications (2)

Publication Number Publication Date
DE69407030D1 true DE69407030D1 (de) 1998-01-08
DE69407030T2 DE69407030T2 (de) 1998-03-19

Family

ID=10729808

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69407030T Expired - Fee Related DE69407030T2 (de) 1993-02-04 1994-01-24 Verfahren und vorrichtung zur kontrolle der entwaesserung von suspensionen

Country Status (15)

Country Link
US (1) US5662805A (de)
EP (1) EP0682555B1 (de)
AU (1) AU672324B2 (de)
BR (1) BR9406421A (de)
CA (1) CA2155034C (de)
DE (1) DE69407030T2 (de)
DK (1) DK0682555T3 (de)
ES (1) ES2110219T3 (de)
FI (1) FI113456B (de)
GB (1) GB9302151D0 (de)
MX (1) MX9400865A (de)
NO (1) NO309230B1 (de)
PL (1) PL310108A1 (de)
WO (1) WO1994017895A1 (de)
ZA (1) ZA94742B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9411444D0 (en) * 1994-06-08 1994-07-27 Cdm Ab Dewatering of suspensions
DE19952686A1 (de) * 1999-11-02 2001-06-07 Stefan Brockmann Sicherungssystem zum Stillegen und/oder Schalten einer Betriebsfunktion eines Fahrzeugs mittels eines per Funk übermittelten Signals
US6413433B1 (en) * 2000-08-31 2002-07-02 Nalco Chemical Company Method for dewatering of sludge
US6790369B1 (en) 2002-01-28 2004-09-14 Universtiy Of South Florida Apparatus and method for protecting toroidal conductivity sensors
US6808305B2 (en) * 2002-03-25 2004-10-26 Sharpe Mixers, Inc. Method and apparatus for mixing additives with sludge in a powered line blender
JP3759526B2 (ja) * 2003-10-30 2006-03-29 丸善石油化学株式会社 半導体リソグラフィー用共重合体の製造方法
US20080020023A1 (en) 2006-07-20 2008-01-24 Shiping Wang Nonaqueous coating composition for elastomeric articles and articles containing the same
ITRE20060114A1 (it) * 2006-09-28 2008-03-29 P M P O S R L Dispositivo di filtrazione e compattazione per particelle solide sospese e contenute nei fluidi, come i fanghi da lavorazioni meccaniche
CA2629593A1 (en) * 2008-04-11 2009-10-11 James Michael Dunbar Feedback control scheme for optimizing dewatering processes
ES2566978B1 (es) * 2014-10-16 2017-01-31 Bernardo DÍAZ MARTÍNEZ Dispositivo de control de la floculación en una corriente de lodos o fangos y sistema para controlar la floculación mediante la adición de reactivo floculante en dicha corriente de lodos o fangos
CN109569046A (zh) * 2018-12-10 2019-04-05 北京北矿亿博科技有限责任公司 一种硝酸铵溶液的自动过滤系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3262878A (en) * 1964-12-07 1966-07-26 Gen Service Company Method and apparatus for continuously monitoring water being treated to remove turbidity therefrom
US3725263A (en) * 1970-12-15 1973-04-03 R Harris Waste water treatment
DE2917090C2 (de) * 1979-04-27 1985-10-31 Honeywell-Braukmann GmbH, 6950 Mosbach Rückspüllbare Filtereinrichtung, insbesondere für eine Hauswasseranlage
US4612123A (en) * 1983-01-25 1986-09-16 Maschinenfabrik Andritz Actiengesellschaft Regulating apparatus for dewatering machines
SU1286247A1 (ru) * 1984-06-21 1987-01-30 Предприятие П/Я Р-6273 Устройство автоматического управлени работой фильтр-прессов
GB8419035D0 (en) * 1984-07-26 1984-08-30 Water Res Centre Dewatering solids suspensions
GB8728627D0 (en) * 1987-12-08 1988-01-13 Fospur Ltd Production of filter cakes &c
DE3908222A1 (de) * 1989-03-14 1990-09-20 Alfred Albert Verfahren und vorrichtung zur foerderung einer suspension zu einer filterpresse
US5006231A (en) * 1989-03-20 1991-04-09 Consolidation Coal Company Flocculant control system
US4986881A (en) * 1989-06-28 1991-01-22 Kamyr, Inc. Method and apparatus for liquid treatment of and liquid extraction on a paper pulp
US5462678A (en) * 1993-01-06 1995-10-31 Rosedale Products, Inc. Air blast backwash assembly for flexible filter device

Also Published As

Publication number Publication date
FI113456B (fi) 2004-04-30
AU7107094A (en) 1994-08-29
FI953690A (fi) 1995-10-02
BR9406421A (pt) 1995-12-19
NO309230B1 (no) 2001-01-02
DK0682555T3 (da) 1998-08-10
EP0682555A1 (de) 1995-11-22
CA2155034C (en) 2004-11-23
MX9400865A (es) 1994-08-31
EP0682555B1 (de) 1997-11-26
AU672324B2 (en) 1996-09-26
GB9302151D0 (en) 1993-03-24
NO953051D0 (no) 1995-08-03
ZA94742B (en) 1995-02-03
CA2155034A1 (en) 1994-08-18
US5662805A (en) 1997-09-02
PL310108A1 (en) 1995-11-27
ES2110219T3 (es) 1998-02-01
FI953690A0 (fi) 1995-08-02
NO953051L (no) 1995-10-03
WO1994017895A1 (en) 1994-08-18
DE69407030T2 (de) 1998-03-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CIBA SPECIALITY CHEMICALS WATER TREATMENTS LTD., B

8339 Ceased/non-payment of the annual fee