Construcao e otimizacao de um reator de baixo custo para a fotodegradacao da materia organica em aguas naturais e sua aplicacao no estudo da especiacao do cobre por voltametria



Document title: Construcao e otimizacao de um reator de baixo custo para a fotodegradacao da materia organica em aguas naturais e sua aplicacao no estudo da especiacao do cobre por voltametria
Journal: Quimica nova
Database: PERIÓDICA
System number: 000196612
ISSN: 0100-4042
Authors: 1



Institutions: 1Universidade Federal de Santa Catarina, Departamento de Quimica, Florianopolis, Santa Catarina. Brasil
Year:
Season: Mar-Abr
Volumen: 24
Number: 2
Pages: 257-261
Country: Brasil
Language: Portugués
Document type: Artículo
Approach: Experimental
English abstract This work describes the construction of a home-made low-cost reactor, using easily available materials, capable of destroying efficiently dissolved organic matter. Just 30 minutes of irradiation were sufficient to destroy more than 99% of the humic acids present in a solution of 4 mg C L-1. Copper speciation was evaluated in natural waters of different salinities to test the reactor's efficiency in destroying organically complexed metal species. The effect of the organic matter concentration, salinity, dissolved oxygen and temperature in the photo-oxidation process is discussed
Disciplines: Ingeniería,
Química
Keyword: Ingeniería ambiental,
Química analítica,
Fotodegradación,
Materia orgánica,
Voltametría,
Acidos húmicos
Keyword: Engineering,
Chemistry,
Environmental engineering,
Analytical chemistry,
Photodegradation,
Organic matter,
Voltammetry,
Humic acids
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