Pollution Research Paper

Vol 37, Issue 4, 2018; Page No.(903-907)

TREATMENT OF ACID MINE DRAINAGE WASTE USING SEDIMENT AS SOURCE OF SULFATE-REDUCING BACTERIA TO REDUCE SULFATES

FAHRUDDIN FAHRUDDIN, AS’ADI ABDULLAH AND NURSIAH LA NAFIE

Abstract

The presence of sulfuric acid present in mine acid drainage waste causes environmental problems, this can be overcome by using sulfate- reducing bacteria to reduce sulfate, which is abundant in the sediment. In this research we used marsh and mangrove sediment. The treatment was conducted in bioreactor consisting sediment and compost. The analysis consists of sulfate concentration, change of pH and the growth number of sulfate-reduction bacteria conducted each 5 days. The result shows that sediment treatment in acid mine drainage can reduce the sulfate and increase pH. The treatment of acid mine drainage by using mangrove sediment was more effective to reduce sulfate and at once increased pH of acid mine drainage that became 0.39 ppm and pH 6.9 rather than using marsh sediment where the sulfate concentration only decreased until 0.50 ppm and pH increased by 6.4. Therefore, in the observation of sulfate- reducing bacteria growth was comparable with the change of sulfate and pH increase on both sediment treatment. Treatment with mangrove sediments was more successful in reducing sulfate. It proves that mine acid effluent treatment can be carried out biologically using sediment as a source of sulfate-reduction bacteria inoculum.

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