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MICROBIOLOGICAL PROCESS [4 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2026-03-03

English

Subject field(s)
  • Analytical Chemistry
  • Wastewater Treatment
  • Collaboration with Health Canada
CONT

Disinfection process, mainly with chlorine, to prevent microbiological contamination of water can lead to the formation of hazardous disinfection by-products(DBPs) due to the reaction of chlorine with natural organic matter(NOM) present in the water.... Beyond specific health based thresholds, DBPs can represent a public health issue due to the potential chronic risk of adverse effects on human health(e. g., cancer, reproductive and developmental effects) and the high prevalence of exposure. Thus, DBPs constitute an important concern for water systems, especially systems supplied by surface waters.... Recently, a technique known as differential UV [ultraviolet] absorbance(DUVA) has been developed that could provide a sensitive and highly specific indicator for DBP formation resulting from chlorination.

OBS

UV : Abbreviation of "ultraviolet."

French

Domaine(s)
  • Chimie analytique
  • Traitement des eaux usées
  • Collaboration avec Santé Canada
CONT

[Des auteurs] ont publié un rapport sur l'utilisation de la méthode du différentiel d'absorbance UV [ultraviolet] (DAUV) pour estimer la formation des SPD [sous-produits de désinfection]. Cette méthode est basée sur le principe que la matière organique absorbe la lumière. Lorsque le chlore entre en contact avec la matière organique, celle-ci s'oxyde, ce qui entraine la formation de SPD, mais aussi une diminution de la capacité de la matière organique à absorber la lumière (absorbance). [...] Les auteurs soulignent que cette méthode peut s'avérer un outil fort utile pour le suivi des SPD dans les réseaux de distribution et dans les stations de traitement, en permettant de sauver temps et argent pour les analyses.

OBS

UV : Sigle de «ultraviolet».

Spanish

Save record 1

Record 2 2022-08-29

English

Subject field(s)
  • Occupation Names (General)
  • Ecology (General)
CONT

[An] ecological technician organizes and performs tests of chemical, microbiological and biological properties of the input and output of the substance of a technological process, and participates in other activities geared towards caring about nature and the environment.

French

Domaine(s)
  • Désignations des emplois (Généralités)
  • Écologie (Généralités)

Spanish

Campo(s) temático(s)
  • Nombramiento de cargos (Generalidades)
  • Ecología (Generalidades)
Save record 2

Record 3 2018-12-05

English

Subject field(s)
  • Food Industries
  • Packaging
CONT

Incipient spoilage involves the spoilage of canned food prior to the time it is thermally processed. Incipient spoilage can take place at any time prior to the thermal process. This microbiological growth may challenge the thermal process designed for the product.

French

Domaine(s)
  • Industrie de l'alimentation
  • Emballages

Spanish

Save record 3

Record 4 2001-05-01

English

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

Biological Water Treatment Engineering. Theoretical and practical consideration of various processes for the treatment of water, municipal waste water, and industrial waste water using microbiological community. Covers the analysis of reactor rates(zero, first, second-order reactions, enzyme reactions and temperature effect on reaction rate) as well as bioreactor analysis(batch, CFST, plus flow, and arbitrary flow reactor). Some fundamentals of microbiology, organic and inorganic waste characteristics and flows, activated sludge process and its modifications, aeration kinetics, attached-growth biological treatment processes.

French

Domaine(s)
  • Pollution de l'eau
  • Traitement des eaux
DEF

Type de réacteur entre le réacteur à flux piston et le réacteur à mélange intégral.

Spanish

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

Tipo de tanque para el cual el grado de mezcla del flujo está comprendido entre el flujo de pistón y la mezcla completa.

CONT

La geometría de los reactores de flujo arbitrario es tal que se pueden combinar los movimientos de fluido caracterizados por los que se encuentran en los de flujo en pistón y continuo.

Save record 4

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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