Analisis Potensi Eco-Enzyme dari Limbah Kulit Buah dalam Penyisihan dan COD pada Air Sungai Tercemar Secara Batch
DOI:
https://doi.org/10.52759/reactor.v7i1.85Keywords:
Eco-enzyme, kulit buah, COD, sistem batch, air sungai tercemarAbstract
Pencemaran air sungai akibat tingginya beban limbah organik menjadi permasalahan lingkungan yang serius, ditandai oleh tingginya nilai COD. Penelitian ini bertujuan menganalisis potensi eco-enzyme dari limbah kulit buah dalam menurunkan nilai COD pada air sungai tercemar secara batch. Eco-enzyme dibuat dari kulit pisang, jeruk, semangka, pepaya, dan nanas dengan rasio 3:1:10 (bahan organik:molases:air) melalui fermentasi tiga bulan. Pengujian dilakukan terhadap air sungai artifisial dengan variasi konsentrasi 5%, 10%, dan 15% selama 12 hari. Parameter yang diukur meliputi pH, suhu, DO, dan COD. Hasil menunjukkan eco-enzyme memiliki bioaktivitas protease, amilase, dan lipase. Penurunan nilai COD intensif pada hari ke-1 hingga ke-5 dan mencapai steady state pada hari ke-9 hingga ke-12. Konsentrasi 5% memberikan nilai COD akhir terendah (22-30 ppm) dengan kulit pisang dan nanas sebagai bahan baku terbaik.
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