PENURUNAN BOD PADA BIOGAS KOTORAN SAPI CAMPURAN LIMBAH CAIR RUMAH POTONG HEWAN (RPH) DENGAN VARIASI KECEPATAN DAN LAMA PENGADUKAN
DOI:
https://doi.org/10.34151/technoscientia.v10i2.92Keywords:
BOD, the slaughterhouse wastewater, Biogas, Cow DungAbstract
The scarcity of energy sources, especially fuel oil (BBM) has become a world problem. The abundant cattle dung in the community has not been optimally utilized. In addition, the slaughterhouse (RPH) wastewater has not been optimally utilized. The aim of this research is to know the effect of speed and duration of stirring to biogas volume and final BOD concentration on cow dung biogas mixture the slaughterhouse (RPH) wastewater.
The experiment used biodigester reactor as much as 5 pieces, 1 as the controller without stirring and 4 others as the test digester with stirring. RPH0 as a control digester without stirring. Variation of stirring speed 5 and 10 rpm and stirring time 10 and 15 minutes. The volume of biogas is measured for 20 days. BOD levels are measured on the last day of the fermentation process.
The experiment showed that the highest biogas volume was found on PK10L10 test digester that was mixture of cow dung and the slaughterhouse (RPH) wastewater with variation of 10 rpm and duration of stirring 15 minutes ie 1,331 m3, and the lowest biogas volume was 0,243 m3 in RPH0 digester. The highest decrease in BOD content was 37% in RK10L15 digester and the lowest decrease RK5L15 digester was 12%. The stirring process has a significant effect on biogas production and decrease of BOD concentration in the digester.
References
Hambali E., 2007, Teknologi Bioenergi, PT. Agromedia Pustaka, Bogor.
Hardjowigeno, S., 2003, Ilmu Tanah, Akademika Presindo, Jakarta.
Hardoyo, Atmodjo M.C., Rosadi, D., Cahyono, M.S., 2014, Panduan Praktis Membuat Biogas Portable Skala Rumah Tangga dan Industri, Andi Publisher, Yogyakarta.
Kusnoputranto, 1983, Kesehatan Lingkungan, Universitas Indonesia, Jakarta.
Masse, L., Masse, D.I., and Kennedy, K.J., 2003, Effect of hydrolysis pretreatment on fat degradation during anaerobic digestion of slaughterhouse wastewater. Process Biochemistry 38(9): 1365-1372.
Padang, Y.A., Nurchayati, dan Suhandi, 2011, Meningkatkan Kualitas Biogas dengan Penambahan Gula, Jurnal Teknik Rekayasa, 12(1): 53-62.
Pambudi, N. A. 2008. Pemanfaatan Biogas Sebagai Energi Alternatif. www.dikti.org. Akses : 13 November 2013.
Rama, M., Soeroso, F., Pradana, S., Akbar, Sudarno, dan Wardhana, I.W., 2016. Pengaruh Pengenceran dan Pengadukan Terhadap Produksi Biogas pada Anaerobic Digestion dengan Menggunakan Ekstrak Rumen Sapi Sebagai Starter dan Limbah Dapur sebagai Substrat, Jurnal Presipitasi, 13(2): 88-93.
Roihatin, A., 2006, Pengolahan Air Limbah Rumah Pemotongan Hewan (RPH) dengan Cara Elektrokoagulasi Aliran Kontinyu, Fakultas Teknik Universitas Diponegoro, Semarang. http://www.clicktoconvert.com.
Sihombing, D.T.H., 2000. Teknik Pengelolaan Limbah Kegiatan/Usaha Peternakan, Pusat Penelitian Lingkungan Hidup Lembaga Penelitian, Institut Pertanian Bogor.
Sutarno dan Firdaus, F., 2007, Analisis Prestasi Produksi Biogas (CH4) dari Polyethilene Biodigester Berbahan Baku Limbah Ternak Sapi, Jurnal Logika, 4(1).
Yazid, F.R., 2012,. Pengaruh Variasi Konsentrasi dan Debit Pada Pengolahan Air Artificial (Campuran Grey Water dan Black Water) Menggunakan Reaktor UASB, Jurnal Teknik Lingkungan, 1(1), Universitas Diponegoro Semarang.
