APPLICATION OF ELECTROCHEMICALLY SYNTHESIZED FERRATE (VI) IN THE TREATMENT OF PHENOL CONTAMINATED WASTEWATER FROM WOOD INDUSTRY.

Autor: TOMIĆ, Milena, NIKOLIĆ BUJANOVIĆ, Ljiljana, ČEKEREVAC, Milan, ZDRAVKOVIĆ, Mladen, STAMENKOVIĆ ĐOKOVIĆ, Marijana
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Zdroj: Acta Technica Corviniensis - Bulletin of Engineering; Jan-Mar2017, Vol. 10 Issue 1, p110-113, 4p
Abstrakt: Treatment of wastewater (WW) from wood industry is of great importance due to high concentration and toxicity of phenol and its derivatives. High concentration of phenol in WW of wood industry originates from pentachlorophenol (PCP), which is used for wood conservation. According to the Regulations on Hazardous Substances in Water [1] allowed phenol concentration in waters of the III and IV class is 300 mg/l. Conventional methods for removal of phenol from WW are either environmentally or economically unacceptable. The use of ferrate (VI) as a multifunctional chemical reagent has significant advantages over conventional methods. The subject of this paper is treatment of samples of WW from wood industry - from thermal dryer and steam chamber, by electrochemically synthesized ferrate (VI). The initial concentration of phenol in the sample from thermal dryer was 27 mg/l and in the sample from steam chamber 30 mg/l. This wastewater also has a high content of natural organic matter (COD of the sample from the thermal dryer was 3233.1 mgO2/l and COD of the sample from the steam chamber was 4692.1 mgO2/l). The efficiency of phenol removal by ferrate (VI) was 74.85% and 72.67% for samples from thermal dryer and steam chamber, respectively. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index