FR2238673A1 - Industrial effluent pretreatment - in three-section tank with heating zone to accelerate phase separation - Google Patents

Industrial effluent pretreatment - in three-section tank with heating zone to accelerate phase separation

Info

Publication number
FR2238673A1
FR2238673A1 FR7327690A FR7327690A FR2238673A1 FR 2238673 A1 FR2238673 A1 FR 2238673A1 FR 7327690 A FR7327690 A FR 7327690A FR 7327690 A FR7327690 A FR 7327690A FR 2238673 A1 FR2238673 A1 FR 2238673A1
Authority
FR
France
Prior art keywords
heating zone
phase separation
industrial effluent
section tank
pretreatment
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
FR7327690A
Other languages
French (fr)
Other versions
FR2238673B1 (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.)
PEUGEOT and RENAULT
Original Assignee
PEUGEOT and RENAULT
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 PEUGEOT and RENAULT filed Critical PEUGEOT and RENAULT
Priority to FR7327690A priority Critical patent/FR2238673A1/en
Priority to IT68496/74A priority patent/IT1030035B/en
Priority to FR7416665A priority patent/FR2271178B2/fr
Priority to US487389A priority patent/US3907682A/en
Priority to DE2435038A priority patent/DE2435038C3/en
Priority to GB3275374A priority patent/GB1470406A/en
Publication of FR2238673A1 publication Critical patent/FR2238673A1/en
Application granted granted Critical
Publication of FR2238673B1 publication Critical patent/FR2238673B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/042—Breaking emulsions by changing the temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/003—Sedimentation tanks provided with a plurality of compartments separated by a partition wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/009—Heating or cooling mechanisms specially adapted for settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/10—Settling tanks with multiple outlets for the separated liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2405—Feed mechanisms for settling tanks
    • B01D21/2416—Liquid distributors with a plurality of feed points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30—Control equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30—Control equipment
    • B01D21/302—Active control mechanisms with external energy, e.g. with solenoid valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30—Control equipment
    • B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
    • 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
    • C02F1/02—Treatment of water, waste water, or sewage by heating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • 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)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

The pretreatment of industrial effluents to separate the various phases of different density is performed in a tank with three sections. The first section contains between a perforated partition which prevents a counter flow, and a thermal partition, a heating zone with a large heat exchanger surface. This initiates a convection-type of circulation. Used for purificn. of effluents contg. soluble oils, for coolants and lubricants for machine tools. Accelerated ascent of the light phase and descent of the heavy phase takes place.
FR7327690A 1973-07-27 1973-07-27 Industrial effluent pretreatment - in three-section tank with heating zone to accelerate phase separation Granted FR2238673A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7327690A FR2238673A1 (en) 1973-07-27 1973-07-27 Industrial effluent pretreatment - in three-section tank with heating zone to accelerate phase separation
IT68496/74A IT1030035B (en) 1973-07-27 1974-05-13 PROCESS AND PLANT FOR THE PRE-TREATMENT OF INDUSTRIAL WASTE WATER
FR7416665A FR2271178B2 (en) 1973-07-27 1974-05-14
US487389A US3907682A (en) 1973-07-27 1974-07-11 Purification of industrial waste water
DE2435038A DE2435038C3 (en) 1973-07-27 1974-07-20 Equipment for the purification of industrial wastewater consisting of several phases of different densities
GB3275374A GB1470406A (en) 1973-07-27 1974-07-24 Purification of industrial waste water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7327690A FR2238673A1 (en) 1973-07-27 1973-07-27 Industrial effluent pretreatment - in three-section tank with heating zone to accelerate phase separation

Publications (2)

Publication Number Publication Date
FR2238673A1 true FR2238673A1 (en) 1975-02-21
FR2238673B1 FR2238673B1 (en) 1978-10-27

Family

ID=9123289

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7327690A Granted FR2238673A1 (en) 1973-07-27 1973-07-27 Industrial effluent pretreatment - in three-section tank with heating zone to accelerate phase separation

Country Status (2)

Country Link
FR (1) FR2238673A1 (en)
IT (1) IT1030035B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0263557A1 (en) * 1986-10-02 1988-04-13 Heineken Technical Services B.V. A method of, and apparatus for, separating trub from hot wort

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0263557A1 (en) * 1986-10-02 1988-04-13 Heineken Technical Services B.V. A method of, and apparatus for, separating trub from hot wort

Also Published As

Publication number Publication date
FR2238673B1 (en) 1978-10-27
IT1030035B (en) 1979-03-30

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Legal Events

Date Code Title Description
ST Notification of lapse