FR2495799B1 - - Google Patents

Info

Publication number
FR2495799B1
FR2495799B1 FR8025739A FR8025739A FR2495799B1 FR 2495799 B1 FR2495799 B1 FR 2495799B1 FR 8025739 A FR8025739 A FR 8025739A FR 8025739 A FR8025739 A FR 8025739A FR 2495799 B1 FR2495799 B1 FR 2495799B1
Authority
FR
France
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
FR8025739A
Other languages
French (fr)
Other versions
FR2495799A1 (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.)
OTENE
Original Assignee
OTENE
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 OTENE filed Critical OTENE
Priority to FR8025739A priority Critical patent/FR2495799A1/fr
Publication of FR2495799A1 publication Critical patent/FR2495799A1/fr
Application granted granted Critical
Publication of FR2495799B1 publication Critical patent/FR2495799B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Control Of Non-Electrical Variables (AREA)
FR8025739A 1980-12-04 1980-12-04 Dispositif de regulation de la concentration en impuretes et additifs notamment d'un circuit d'eau recyclee Granted FR2495799A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8025739A FR2495799A1 (fr) 1980-12-04 1980-12-04 Dispositif de regulation de la concentration en impuretes et additifs notamment d'un circuit d'eau recyclee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8025739A FR2495799A1 (fr) 1980-12-04 1980-12-04 Dispositif de regulation de la concentration en impuretes et additifs notamment d'un circuit d'eau recyclee

Publications (2)

Publication Number Publication Date
FR2495799A1 FR2495799A1 (fr) 1982-06-11
FR2495799B1 true FR2495799B1 (enExample) 1984-03-09

Family

ID=9248653

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8025739A Granted FR2495799A1 (fr) 1980-12-04 1980-12-04 Dispositif de regulation de la concentration en impuretes et additifs notamment d'un circuit d'eau recyclee

Country Status (1)

Country Link
FR (1) FR2495799A1 (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3627032A (en) * 1970-06-12 1971-12-14 Parker Engineered Chemicals Cooling tower water treatment system

Also Published As

Publication number Publication date
FR2495799A1 (fr) 1982-06-11

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse