GB1314748A - Treatment of aqueous sludges - Google Patents

Treatment of aqueous sludges

Info

Publication number
GB1314748A
GB1314748A GB4423571A GB4423571A GB1314748A GB 1314748 A GB1314748 A GB 1314748A GB 4423571 A GB4423571 A GB 4423571A GB 4423571 A GB4423571 A GB 4423571A GB 1314748 A GB1314748 A GB 1314748A
Authority
GB
United Kingdom
Prior art keywords
thawing
sludge
solids
freezing
aqueous
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
Application number
GB4423571A
Other languages
English (en)
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.)
Pennwalt Corp
Original Assignee
Pennwalt Corp
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 Pennwalt Corp filed Critical Pennwalt Corp
Publication of GB1314748A publication Critical patent/GB1314748A/en
Expired 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
    • C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
    • C02F11/20—Treatment of sludge; Devices therefor by thermal conditioning by freezing

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Treatment Of Sludge (AREA)
GB4423571A 1970-09-25 1971-09-22 Treatment of aqueous sludges Expired GB1314748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7542170A 1970-09-25 1970-09-25

Publications (1)

Publication Number Publication Date
GB1314748A true GB1314748A (en) 1973-04-26

Family

ID=22125630

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4423571A Expired GB1314748A (en) 1970-09-25 1971-09-22 Treatment of aqueous sludges

Country Status (10)

Country Link
US (1) US3677405A (cg-RX-API-DMAC7.html)
AR (1) AR194204A1 (cg-RX-API-DMAC7.html)
BR (1) BR7106271D0 (cg-RX-API-DMAC7.html)
CA (1) CA932648A (cg-RX-API-DMAC7.html)
DE (1) DE2147421A1 (cg-RX-API-DMAC7.html)
FR (1) FR2116366B2 (cg-RX-API-DMAC7.html)
GB (1) GB1314748A (cg-RX-API-DMAC7.html)
IT (1) IT965009B (cg-RX-API-DMAC7.html)
SE (1) SE383609B (cg-RX-API-DMAC7.html)
ZA (1) ZA716021B (cg-RX-API-DMAC7.html)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855124A (en) * 1971-11-22 1974-12-17 Gen Electric Process and apparatus for the purification of an aqueous waste stream from a silicone-polymer producing plant
GB1397332A (en) * 1972-02-11 1975-06-11 Atomic Energy Authority Uk Method and apparatus for the desalination of saline water
US4014787A (en) * 1974-01-02 1977-03-29 Systems Engineering & Manufacturing Corporation Wastewater treatment
DE2422208C3 (de) * 1974-05-08 1984-08-09 Alb. Klein Gmbh & Co Kg, 5241 Niederfischbach Verfahren und Vorrichtung zum Entwässern von schlammartigen Gütern
US4080289A (en) * 1975-02-28 1978-03-21 Hitachi, Ltd. And Hitachi Plant Engineering And Construction Co., Ltd. Apparatus for treating waste water or solution
US4276176A (en) * 1976-07-08 1981-06-30 Systems Engineering & Manufacturing Corp. Water purification system
US5833970A (en) * 1977-01-24 1998-11-10 Cox; James P. Deodorant material and deodorizing method
US4176057A (en) * 1977-06-24 1979-11-27 El Paso Environmental Systems, Inc. Method and apparatus for recovering liquid and solid constituents of water solutions containing sparingly soluble solids
US4572785A (en) * 1984-03-29 1986-02-25 Melvin Braaten Water purifier unit
AU1627688A (en) * 1987-03-23 1988-11-02 Ceramics Process Systems Corporation System for centrifugation and for classification of particulate materials
US4781671A (en) * 1987-03-23 1988-11-01 Ceramics Process Systems Corporation System for classification of particulate materials
US5614107A (en) * 1995-10-13 1997-03-25 Enviro-Tech-2000, Inc. Method of freeze drying sewage sludge
US5876596A (en) * 1997-03-14 1999-03-02 Coleman Sudol, Llp Apparatus for treating water
US6409788B1 (en) 1998-01-23 2002-06-25 Crystal Peak Farms Methods for producing fertilizers and feed supplements from agricultural and industrial wastes
US6508078B2 (en) 2000-10-26 2003-01-21 Crystal Peak Farms Separation of purified water and nutrients from agricultural and farm wastes
US6846422B2 (en) * 2002-04-17 2005-01-25 K2M Mobile Treatment Services, Inc. Sludge stripping process and system
US6921486B2 (en) * 2002-11-14 2005-07-26 Stephen Hough Waste activated sludge anaerobic contact waste stream treatment process
DE20302516U1 (de) * 2003-02-15 2003-12-11 Hamann Ag Anlage zur Entfernung und Deaktivierung von Organismen im Ballastwasser
EP1697035B1 (en) * 2003-12-22 2017-11-15 Warren H. Finlay Powder formation by atmospheric spray-freeze drying
US8002993B2 (en) * 2007-05-30 2011-08-23 Maximilian Gold Bring your own water treatment system
KR101692162B1 (ko) * 2015-08-10 2017-01-02 두산중공업 주식회사 고속 침전조 및 이를 포함하는 수처리 장치
DE102019131391A1 (de) * 2019-11-21 2021-05-27 Intervalve Research and Development GmbH Verfahren zur Klärschlammaufbereitung sowie Klärschlammanlage
CA3173146C (en) * 2020-11-16 2023-10-31 Joel Peter LENNON-MEYER Continuous throughput lyophilizer/powder filler within a sterile boundary
CN112979020B (zh) * 2021-02-24 2022-10-28 安徽同方工程咨询有限公司 水利工程污泥废水处理装置及工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1764390A (en) * 1926-11-19 1930-06-17 Laval Separator Co De Process of recovering grease from garbage
US3350297A (en) * 1964-03-11 1967-10-31 Exxon Research Engineering Co Staged centrifugation of wax from a countercurrent extraction process
US3350296A (en) * 1961-08-01 1967-10-31 Exxon Research Engineering Co Wax separation by countercurrent contact with an immiscible coolant
US3297532A (en) * 1962-04-19 1967-01-10 Internat Equipment Company Centrifugation method
US3248323A (en) * 1964-11-16 1966-04-26 Dorr Oliver Inc Waste treatment with anaerobic digestion
US3577341A (en) * 1968-10-18 1971-05-04 Pennwalt Corp Water treatment

Also Published As

Publication number Publication date
BR7106271D0 (pt) 1973-04-19
IT965009B (it) 1974-01-31
AR194204A1 (es) 1973-06-29
FR2116366B2 (cg-RX-API-DMAC7.html) 1973-06-29
SE383609B (sv) 1976-03-22
US3677405A (en) 1972-07-18
CA932648A (en) 1973-08-28
DE2147421A1 (de) 1972-03-30
ZA716021B (en) 1972-05-31
FR2116366A2 (cg-RX-API-DMAC7.html) 1972-07-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees