Biofilm applications in the treatment process of fisheries industries waste water

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Biofilm applications in the treatment process of fisheries industries waste water

Kartawiria, Irvan S. - Personal Name; Rystiasih, Anindyaningrum Chrisant - Personal Name;

The objectives of this research are to grow a biofilm derived from natural sources on inert plastic material and apply it in usage to treating fish processing wastewater, evaluating using wastewater quality parameters. Bacteria samples were obtained from sources where fisheries wastewater tends to runoff. Three different sources were used, the sludge in the sewers, the growth on the sewer walls and the activated sludge from the waste water treatment facility. Sampling was done by scraping using a sterile spatula. The scrapings were then mixed into sterile saline solution. The samples were transported back to the lab under chilled conditions. In the lab, the bacteria were enriched using incubation with nutrient broth. The enriched broths were then used to inoculate inert plastic material in the form of bioballs and then at 37oC with continuous shaking. The growths of the bacteria on the bioballs in the form of biofilms were evaluated using plate count method and simple microbial analysis. The effectiveness of the biofilms in the treatment process of fisheries wastewaters was also tested by exposure of biofilms on 7 bioballs to 500ml of synthetic wastewater for a period of 2 days in simple batch reactor system. The evaluation was done by DO tests, Turbidity, Total Suspended Solids, COD, and BOD analysis. Improvement of water quality compared to control reactor using only aeration were observed in terms of turbidity and total suspended solids. On the other hand in COD and BOD reviews imrpovement of water quality was not as great. The results indicate that biofilms can be developed from planktonic bacteria from natural source and biofilms have potential effect of improving wastewater quality.

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B00817 (wh) Available but not for loan - Missing

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Series Title: -
Call Number: 817
Publisher: : Swiss German University., 2010
Collation: -
Language: English
ISBN/ISSN: -
Classification: NONE
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Subject(s): FT
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