Search on: UNIT OPERATIONS 
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Descriptor English:   Unit Operations 
Descriptor Spanish:   Operaciones Unitarias 
Descriptor Portuguese:   Operações Unitárias 
Synonyms English:   Unit Process  
Tree Number:   SP4.021.202.133
SP4.031.100.200.292.718
Definition English:   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. 
See Related English:   Water Purification
 
Allowable Qualifiers English:  
AE adverse effects AN analysis
CL classification EC economics
ES ethics EH ethnology
HI history LJ legislation & jurisprudence
MT methods PL policies
PC prevention & control SN statistics & numerical data
Record Number:   25405 
Unique Identifier:   DDCS025405 

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