FIBRA DE COCO COMO BIOSSORVENTE NA REMOÇÃO DA MATÉRIA ORGÂNICA DE ÁGUAS RESIDUAIS

Simone de Fátima Pinheiro Pereira, Jessica Amaral Bittencourt, Rafaella Galvão Miranda, Erica Karine Lourenço Mares, Davis Castro dos Santos, Geiso Rafael Oliveira, Antônio Eder Santos Maciel

Abstract


DOI: 10.14684/intertech.13.2014.396-400

The search for new technologies for wastewater treatment has focused on the use of biomass as biosorbent materials with a good performance. The objective was to use coconut fiber disposed in Belém-PA in the removal of organic matter. The coconut fibers were dried at 80 °C (biosorbent 1) and 60 oC (biosorbent 2) for 24 hours, crushed and sieved. 50 mg of the biosorbents was stirred for 24 h in 20 mL of the wastewater sample and filtered. Was used the reflux titrimetric method using block digester Q-325M in the analysis of chemical oxygen demand (COD). The biosorbent 1 showed better adsorption capacity, with efficiency of 66 % (1 point) and 23 % (point 2). The biosorbent 2 adsorbed only 33 % (1 point), and 23 % (point 2). It was concluded that the use of coconut fiber in the wastewater treatment can be a good alternative for the recovery of contaminated water bodies.

 

 

Index Terms - Chemometrics, data processing, water quality.


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