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[PAPER] Domestic wasterwater treatment : The chilean situation

Publicado: Lun Abr 30, 2018 9:59 am
por leyenda
Paper relacionado con los tratamientos sanitarios realizados a los afluentes en Chile.

ABSTRACT The promulgation of several environmental regulations during the last decade has given a significative impulse to the construction of sewage water treatment plants (SWTP) in Chile, raising thus the coverage of environmental sanitation from 0% in 1994 to 66% at the beginning of 2004. This paper presents the results of a registry of the technologies used and the main characteristics of the SWTP in Chile. Information on 373 plants was reviewed in order to build a technological profile of this sector, including a competitivity analysis among the different existent alternatives. An adequate use of available technologies for primary and secondary sanitation of the effluents is observed, but there is a significative lack of advanced treatment and disinfection associated proccesses.
Descriptors: CHILE; WASTEWATER TREATMENT PLANTS; WASTEWATER TREATMENT; PRETREATMENT; DEGREASING; GRIT REMOVAL; SECONDARY TREATMENT; ACTIVATED SLUDGE; AERATED LAGOONS; BIOLOGICAL TREATMENT; OXIDATION DITCHES; ADVANCED TREATMENT; CHLORINATION; SLUDGE TREATMENT


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