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FR994856A - Method and device for performing chemical precipitations and crystallizations, in particular for water softening - Google Patents

Method and device for performing chemical precipitations and crystallizations, in particular for water softening

Info

Publication number
FR994856A
FR994856A FR994856DA FR994856A FR 994856 A FR994856 A FR 994856A FR 994856D A FR994856D A FR 994856DA FR 994856 A FR994856 A FR 994856A
Authority
FR
France
Prior art keywords
crystallizations
water softening
performing chemical
chemical precipitations
precipitations
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
Other languages
French (fr)
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.)
AUXILIAIRE DES CHEMINS DE FER
Original Assignee
AUXILIAIRE DES CHEMINS DE FER
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 AUXILIAIRE DES CHEMINS DE FER filed Critical AUXILIAIRE DES CHEMINS DE FER
Application granted granted Critical
Publication of FR994856A publication Critical patent/FR994856A/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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
    • 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
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00761—Details of the reactor
    • B01J2219/00763—Baffles
    • B01J2219/00765—Baffles attached to the reactor wall
    • B01J2219/0077—Baffles attached to the reactor wall inclined
    • B01J2219/00774—Baffles attached to the reactor wall inclined in the form of cones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR994856D 1945-02-09 1945-02-09 Method and device for performing chemical precipitations and crystallizations, in particular for water softening Expired FR994856A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR994856T 1945-02-09

Publications (1)

Publication Number Publication Date
FR994856A true FR994856A (en) 1951-11-23

Family

ID=9556710

Family Applications (1)

Application Number Title Priority Date Filing Date
FR994856D Expired FR994856A (en) 1945-02-09 1945-02-09 Method and device for performing chemical precipitations and crystallizations, in particular for water softening

Country Status (2)

Country Link
FR (1) FR994856A (en)
GB (1) GB597068A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2373315A1 (en) 1976-12-09 1978-07-07 Kodak Pathe PROCESS FOR PREPARING FINE CRYSTALS OF MINERAL OR ORGANIC SUBSTANCES
GB2200901B (en) * 1987-02-10 1991-01-02 Phillips D S M Dispensers for introducing material into a liquid
GB9914398D0 (en) 1999-06-22 1999-08-18 Bp Exploration Operating Reduction in solids deposition
CN108609750A (en) * 2018-07-05 2018-10-02 山东省城市供排水水质监测中心 Novel remove of one kind luring brilliant sedimentation basin and technique firmly
CN114669077B (en) * 2022-04-15 2024-04-16 煤炭科学技术研究院有限公司 A purification system and purification method for 2-methylnaphthalene
CN118371229B (en) * 2024-06-21 2024-08-20 安徽益沣石化有限公司 Sectional type packed tower

Also Published As

Publication number Publication date
GB597068A (en) 1948-01-16

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