TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

REGULACION PH [2 records]

Record 1 2002-04-05

English

Subject field(s)
  • Processing of Mineral Products
  • Mineral Processing (Metallurgy)
  • Anti-pollution Measures
  • Analytical Chemistry
CONT

A chemical process was tested to leach unwanted magnesium from dolomitic phosphate ore with sulfuric acid under automated pH control. ... By this method, up to 85% of MgO can be removed from rock with negligible loss of phosphate.

French

Domaine(s)
  • Préparation des produits miniers
  • Minéralurgie (Métallurgie)
  • Mesures antipollution
  • Chimie analytique

Spanish

Campo(s) temático(s)
  • Preparación de los productos mineros
  • Explotación de minerales (Metalurgia)
  • Medidas contra la contaminación
  • Química analítica
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Record 2 1996-01-17

English

Subject field(s)
  • Water Treatment (Water Supply)

French

Domaine(s)
  • Traitement des eaux
DEF

Addition de produits chimiques en vue de rendre l'eau neutre, ni acide ni alcaline, [...]

Spanish

Campo(s) temático(s)
  • Tratamiento del agua
DEF

Proceso de regulación del PH del efluente en una estación depuradora para mantenerlo cercano a 7 según las normas de calidad del agua en vigor.

CONT

Dado que el PH tiene una variación logarítmica cuando los valores son muy altos o bajos, es preciso realizar la neutralización en varias etapas, o lo que es lo mismo, escalonadamente a través de varios tanques escalonados en serie.

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