Related Experiment Video
Updated: May 23, 2026

Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor
Published on: October 15, 2015
Degradation of dichlorvos containing wastewaters using sonochemical reactors
Nisharg Golash1, Parag R Gogate
1Chemical Engineering Department, Institute of Chemical Technology, Matunga, Mumbai 40019, India.
This study shows low-frequency sonochemical reactors effectively degrade dichlorvos pesticide in wastewater. Combining ultrasound with Fenton
Area of Science:
- Environmental Chemistry
- Chemical Engineering
- Water Treatment Technologies
Background:
- Pesticide wastewater poses environmental risks.
- Dichlorvos is a common but persistent pesticide.
- Effective degradation methods are needed.
Purpose of the Study:
- To investigate dichlorvos degradation using low-frequency sonochemical reactors.
- To optimize operating parameters (pH, temperature, power density).
- To enhance degradation using additives like Fenton's reagent.
Main Methods:
- Utilized a 20 kHz, 270 W ultrasonic horn sonochemical reactor.
- Investigated effects of pH, temperature, and power density.
- Performed intensification studies with hydrogen peroxide, Fenton's reagent, and CCl(4).
- Confirmed degradation mechanism via free radical scavenging studies.
Main Results:
- Low-frequency sonochemical reactors are effective for pesticide wastewater treatment.
- Acidic conditions and optimal temperature/power density favor dichlorvos degradation.
- Additives significantly enhance degradation efficiency.
- Complete dichlorvos removal achieved with optimized ultrasound and Fenton's chemistry.
Conclusions:
- Low-frequency sonochemical reactors offer a cost-effective and stable solution for dichlorvos degradation.
- Free radical attack is the primary mechanism.
- This study presents a novel approach for pesticide wastewater treatment.
More Related Videos
09:49Use of a Battery of Chemical and Ecotoxicological Methods for the Assessment of the Efficacy of Wastewater Treatment Processes to Remove Estrogenic Potency
Published on: September 11, 2016
06:35Implementation of a Hyperbolic Vortex Plasma Reactor for the Removal of Micropollutants in Water
Published on: July 25, 2025
Related Concept Videos
Microbial Bioremediation of Pesticides
Methods of Sterilization II: Chemical Methods
Using chemical sterilization rather than heat to clean out equipment is recommended. It eradicates and removes all bacteria,...
Bioremediation
Microbial Bioremediation of Plastics
Microbial Bioremediation of Uranium
Hydrolysis of Chlorobenzene to Phenol: Dow Process