BIOREMEDIASI LIMBAH TAMBAK UDANG MENGGUNAKAN ISOLAT BAKTERI LIPOLITIK

Dita Ayu Juniananta, NIM. 17106030039 (2021) BIOREMEDIASI LIMBAH TAMBAK UDANG MENGGUNAKAN ISOLAT BAKTERI LIPOLITIK. Skripsi thesis, UIN SUNAN KALIJAGA YOGYAKARTA.

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Abstract

Shrimp aquaculture waste contains high amounts of organic matter which can cause pollution to the aquatic environment. Waste from shrimp farming consists of feed residues, shrimp feces, and colonies of pathogenic bacteria, so that it can interfere with the survival of the shrimp itself and the water body it will pass through. Overcoming environmental pollution requires environmentally friendly waste treatment, one of which is bioremediation. Bioremediation can be done using bacteria to break down pollutants in waste. This study aims to obtain lipolytic bacteria from tannery waste and its potential as a bioremediation agent for shrimp pond waste. The isolation results obtained 2 isolates from solid waste with codes PK1.1.2 and PK1.2.2 and 2 isolates from liquid waste with codes SK3.2 and SK3.4. Degradation of pollutants in shrimp pond waste was measured by parameters Biological Oxygen Demand (BOD) and Chemical Oxygen Demand (COD) which were measured on day 0 and day 7, and Total Suspended Solid (TSS) parameter which was measured on day 0 and day 5. The biggest decrease in BOD occurred in shrimp pond waste that had been added by isolate SK3.4, from the initial level before bioremediation was carried out at 130.9 mg/L to 109.4 mg/L. The largest decrease in COD also occurred in shrimp pond waste that had been added by isolate SK3.4, from the initial level before bioremediation was 253.2 mg/L to 202.3 mg/L. While the largest decrease in TSS occurred in shrimp pond waste that had been added by isolate PK1.1.2, from the initial level before bioremediation was 25.333 mg/L to 21.1 mg/L.

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