Mineralization of Organophosphorous Pesticides by Electro-generated Oxidants; Procedia Chemistry; Vol. 10 : Chemistry and Chemical Engineering in XXI century

Mineralization of Organophosphorous Pesticides by Electro-generated Oxidants; Procedia Chemistry; Vol. 10 : Chemistry and Chemical Engineering in XXI century

Detalhes bibliográficos
Parent link:Procedia Chemistry
Vol. 10 : Chemistry and Chemical Engineering in XXI century.— 2014.— [P. 209-216]
Autor principal: Kukurina O. S. Olga Sergeevna
Corporate Authors: Национальный исследовательский Томский политехнический университет (ТПУ) Институт природных ресурсов (ИПР) Кафедра технологии органических веществ и полимерных материалов (ТОВПМ), Национальный исследовательский Томский политехнический университет (ТПУ) Институт природных ресурсов (ИПР) Кафедра иностранных языков (ИЯПР)
Outros Autores: Elemesova Z. S. Zarina Serikovna, Syskina A. A. Anna Aleksandrovna
Resumo:Title screen
In this study we have investigated organophosphorous pesticides destruction by oxidizing system, which was synthesized in the polluted aqueous sulfuric acidic solutions by constant current conducting. Bulk electrolyses with lead electrode were performed in an undivided cell under amperestatic conditions to study the oxidative cleavage of commercial pesticides and pure active ingredients. The pesticides were completely destroyed following pseudofirst-order kinetics estimated according to chemical oxygen demand (COD) data and phosphate ions accumulation. The assessment of decay rate constants shows the high mineralization degree. Moreover, the general current efficiency corresponds to high impact of chemical reactions in the bulk along with electrochemical interactions and defines the reasonable treatment process time as 120 min. The decay rate constants obtained by phosphate formation are higher for glyphosate than rate constants estimated by COD. It may be explained by P-C bond breaking and phosphate ions cleavage. For further study of organophosphorous pesticides oxidation pathways in detail by described process, the conditions of electrolysis should be milder.
Режим доступа: по договору с организацией-держателем ресурса
Idioma:inglês
Publicado em: 2014
Assuntos:
электронный ресурс
труды учёных ТПУ
минерализация
пестициды
фосфорорганические пестициды
окисление
серная кислота
organophosphorous pesticides
mineralization
oxidation
activated sulphuric acid
Acesso em linha:http://dx.doi.org/10.1016/j.proche.2014.10.036
http://earchive.tpu.ru/handle/11683/35497
Formato: Recurso Electrónico Capítulo de Livro
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=639492

Registos relacionados

Registos relacionados