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Descriptor English: Unit Operations
Descriptor Spanish: Operaciones Unitarias
Descriptor operaciones unitarias
Scope note: Cada una de los pasos o fases comprendidos en el proceso de tratamiento del agua en el que intervienen con un fin determinado uno o más fenómenos mecánicos, físicos, químicos o biológicos.
Descriptor Portuguese: Operações Unitárias
Descriptor French: Opérations d'Unités
Entry term(s): Unit Process
Tree number(s): SP4.021.202.133
SP4.031.100.200.292.718
Scope note: Each step or phase of the water treatment process where one or more mechanical, physical, chemical and/or biological phenomena are produced to achieve a specific purpose.
Allowable Qualifiers: AE adverse effects
AN analysis
CL classification
EC economics
EH ethnology
ES ethics
HI history
LJ legislation & jurisprudence
MT methods
PC prevention & control
PL policies
SN statistics & numerical data
Related: Water Purification MeSH
DeCS ID: 25405
Unique ID: DDCS025405
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Unit Operations - Preferred
Concept UI FD00058301
Scope note Each step or phase of the water treatment process where one or more mechanical, physical, chemical and/or biological phenomena are produced to achieve a specific purpose.
Preferred term Unit Operations
Entry term(s) Unit Process



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