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Quantification of Reductive Species Produced by High Voltage Electrical Discharges in Water
Author(s) -
Sahni Mayank,
Locke Bruce R.
Publication year - 2006
Publication title -
plasma processes and polymers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 74
eISSN - 1612-8869
pISSN - 1612-8850
DOI - 10.1002/ppap.200600006
Subject(s) - radical , tetranitromethane , aqueous solution , chemistry , degradation (telecommunications) , chemical species , photochemistry , environmental chemistry , analytical chemistry (journal) , organic chemistry , nitration , computer science , telecommunications
Summary: The formation of reductive species has already been documented in various advanced oxidation–reduction processes (AORP) such as ultrasound and radiation processes. Reductive species are important in degrading mixed aqueous wastes and nitro‐ and chloro‐contaminants to achieve higher degradation efficiencies than can be attained by the reaction of contaminants with hydroxyl radicals (the primary reactive species produced by all AORP). The present study quantifies the total amount of reductive species produced by aqueous phase high voltage pulsed electrical discharge, using chemical probes tetranitromethane and nitroblue tetrazolium chloride. The effects of various electrical, physical, and chemical parameters on the generation of reductive species are investigated.