TERMIUM Plus®

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

ION EXCHANGE COLUMN [1 record]

Record 1 - external organization data 2002-03-27

English

Subject field(s)
  • Analytical Chemistry
  • Chemical Engineering
  • Mineral Processing (Metallurgy)
  • Compartment - Canadian Nuclear Safety Commission
DEF

In ion exchange, a rubber-lined or non-corrodible vertical cylinder filled to half its height with resin beads which rest upon a bed of sand. Arranged usually in series of 2, 3 or 4 with pipes and valves permitting feed, discharge, flush and circulation of solutions, according to whether the column is stripping (loading) a pregnant solution or being eluted.

Key term(s)
  • exchange column

French

Domaine(s)
  • Chimie analytique
  • Génie chimique
  • Minéralurgie (Métallurgie)
  • Tiroir - Commission canadienne de sûreté nucléaire
DEF

Capacité cylindrique verticale chargée de réactifs solides granulés échangeurs d'ions (résines), parcourue par un courant de liqueur dont on cherche à extraire par échange anionique ou cationique un ou plusieurs constituants.

Key term(s)
  • colonne échangeuse
  • colonne d'échangeur
  • échangeur d'ions
  • colonne d'échangeur d'ions

Spanish

Campo(s) temático(s)
  • Química analítica
  • Ingenieria química
  • Explotación de minerales (Metalurgia)
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
DEF

Recipiente vertical de forma cilíndrica, construido con acero inoxidable y recubierto de caucho, en cuya parte inferior lleva un lecho de arena sobre el que se colocan las partículas de resina en el proceso de intercambio iónico.

CONT

Los parámetros de diseño determinados mediante ensayos de laboratorio, previos al proyecto de una columna de intercambio iónico son: 1. capacidad de intercambio de las resinas [...]. 2. consumo de regenerante [...]. 3. consumo de agua de lavado [...]

CONT

El intercambio iónico se suele efectuar industrialmente por percolación en columnas cargadas con lechos granulares.

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