ES431668A1 - Perfeccionamientos en dispositivos para el control automa- tico de la alcalinidad del agua de reciclo de sistemas eva- porativos. - Google Patents

Perfeccionamientos en dispositivos para el control automa- tico de la alcalinidad del agua de reciclo de sistemas eva- porativos.

Info

Publication number
ES431668A1
ES431668A1 ES431668A ES431668A ES431668A1 ES 431668 A1 ES431668 A1 ES 431668A1 ES 431668 A ES431668 A ES 431668A ES 431668 A ES431668 A ES 431668A ES 431668 A1 ES431668 A1 ES 431668A1
Authority
ES
Spain
Prior art keywords
water
devices
collecting
acid
alkalinity
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
ES431668A
Other languages
English (en)
Spanish (es)
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.)
ChampionX LLC
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of ES431668A1 publication Critical patent/ES431668A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
ES431668A 1973-11-05 1974-11-05 Perfeccionamientos en dispositivos para el control automa- tico de la alcalinidad del agua de reciclo de sistemas eva- porativos. Expired ES431668A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT53501/73A IT1000131B (it) 1973-11-05 1973-11-05 Dispositivo per il controllo automa tico dell alcalinita in sistemi evaporativi

Publications (1)

Publication Number Publication Date
ES431668A1 true ES431668A1 (es) 1976-11-16

Family

ID=11283246

Family Applications (1)

Application Number Title Priority Date Filing Date
ES431668A Expired ES431668A1 (es) 1973-11-05 1974-11-05 Perfeccionamientos en dispositivos para el control automa- tico de la alcalinidad del agua de reciclo de sistemas eva- porativos.

Country Status (6)

Country Link
BE (1) BE821853A (it)
DE (1) DE2452863A1 (it)
ES (1) ES431668A1 (it)
FR (1) FR2250116A1 (it)
IT (1) IT1000131B (it)
NL (1) NL7414442A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023010806A1 (zh) * 2021-08-03 2023-02-09 佛山市云米电器科技有限公司 一种检测水样碱度的方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277343A (en) * 1979-03-13 1981-07-07 Paz Jacob D Method for continuously monitoring and controlling alkalinity for environmental purposes using a pCO2 probe
DE19802725C1 (de) * 1998-01-24 1999-11-11 Henkel Kgaa Automatische Kontrolle und Steuerung von Reinigerbädern durch Alkalitätsbestimmung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023010806A1 (zh) * 2021-08-03 2023-02-09 佛山市云米电器科技有限公司 一种检测水样碱度的方法

Also Published As

Publication number Publication date
BE821853A (fr) 1975-05-05
DE2452863A1 (de) 1975-05-07
FR2250116B1 (it) 1977-03-25
IT1000131B (it) 1976-03-30
IT7353501A1 (it) 1975-05-05
NL7414442A (nl) 1975-05-07
FR2250116A1 (en) 1975-05-30

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