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Advanced removal of trichloroethylene from water by sonolysis, biocatalytic oxidation and ultrafiltration
Date issued
2020-07
Author(s)
DOI
10.21698/rjeec.2020.105
Abstract
Trichloroethylene (TCE) causes important pollution problems of soil and groundwater in other countries
even in this day when its direct application is less than the last century.
This paper emphasized a modern treatment flow for trichloroethylene advanced removal from water based
on four phases: sonolysis - biocatalytical oxidation - sonolysis - ultrafiltration. Following this scheme, it is
possible to obtain residual TCE content in the effluent approx. 0.01 mg/L, from initial content of 0.5 mg
TCE/L. Ultrasonic energy (50-200 kJ) biocatalyst dose (laccase), biocatalytic oxidation time and
ultrafiltration separation capacity are the main operating parameters which control the TCE removal
efficiency (max. 87%).
even in this day when its direct application is less than the last century.
This paper emphasized a modern treatment flow for trichloroethylene advanced removal from water based
on four phases: sonolysis - biocatalytical oxidation - sonolysis - ultrafiltration. Following this scheme, it is
possible to obtain residual TCE content in the effluent approx. 0.01 mg/L, from initial content of 0.5 mg
TCE/L. Ultrasonic energy (50-200 kJ) biocatalyst dose (laccase), biocatalytic oxidation time and
ultrafiltration separation capacity are the main operating parameters which control the TCE removal
efficiency (max. 87%).
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