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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Abdimas Terapan: Jurnal Pengabdian Kepada Masyarakat Terapan Jurnal Sipil Terapan Jingler: Jurnal Teknik Pengolahan Pertanian
Nina Veronika
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Religion Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Public Health Social Sciences

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Journal : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

 1 
Proses Seeding Dan Aklimatisasi Kultur Tercampur Pada Pengolahan Anaerob Limbah Cair Produksi Minyak Sawit Gusti Rahayu; David Andrio; Nina Veronika
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Palm Oil Mill Effluent (POME) was high strength organic wastewater contained COD 50.000 – 70.000 mg/l. Mixed cultures used in this research is from cow dung. To increase concentration of bacteria on the inokulum and decreased lag phase on anaerobic treatment for treat it, the anaerobic mixed culture bacteria should be seeding process and acclimatized toward POME. The bioreactor of seeding process and acclimatization using circulating batch reaktor with worked volume 15 L and 5 L, respectively. Ratio wastewater to biomass bacteria was 70:30 (% V/V). This study use 3 variation of heat temperature of mixed culture anaerob that is 35° C for 1 hour; 70° C for 30 minutes; 100o C for 15 minutes with control. The parameter observed in this research was VSS and COD. Seeding process was doing in 5 days with highest VSS on day’s 5 was 8.280 mg/L and COD total concentration was 36.454 mg/L. Acclimatization process was doing on three stages, each of the 5 days. The most increase of VSS at the third stages of acclimatization was found within R1 (heat pretreatment inoculum 35° C for 1 hour) was 880 mg/L/day and the most reduction of soluble COD was found within R3 (heat pretreatment inoculum 100° C for 15 minutes) was 14,30%. Keywords : POME, mixed culture, circulating batch reactor,seeding, acclimatization, COD, VSS,
Proses Aklimatisasi Pada Pengolahan Limbah Cair Produksi Minyak Sawit Menggunakan Circulating Batch Reactor (CBR) Christiani Widia BR Karo; David Andrio; Nina Veronika
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Palm Oil Mill Effluent (POME) is highly polluting wastewater with high chemical oxygen demand (COD) and biochemical oxygen demand (BOD) in which can caused severe pollution to the environment, typically pollution to water resources. On the other hand, POME was identified as potential source to generate renewable bioenergy through anaerobic digestion. Anaerobic processes need seeding and acclimatization so the microorganism could be adapted. The acclimatization process used circulating batch reactor with worked volume 25 L and glucose and sequential waste ratio of wastewater 50:50 and 0:100 (% V/V). This research observed degradation of soluble COD and growth of VSS. Experiment results showed microbial consortium has been able to adapt to the new environment and degrade organic matter along with increasing waste volume ratio and decreasing glucose volume ratio.Keywords: Acclimatization, circulating batch reactor, Palm Oil Mill Effluent, Chemical Oxygen Demand, Volatile Suspended Solids
Pembentukan H2S Pada Proses Asidogenesis Limbah Cair Produksi Minyak Sawit M Kamal Syah; David Andrio; Nina Veronika
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Palm oil mill effluent (POME) had characteristics to COD, BOD, and protein a sequence of 40.823 mg/L, 15.309 mg/L, 40.500, 58,22 mg/L. pH was influenced the acidogenesis stage in anaerobic process. Additionally, in the stage of acidogenesis H2S was formed compounds, coused odor, inhibit bacterial growth, and corrosion on metal. The control of pH (acid, neutral and alkali) was required in order to optimize the formation of volatile fatty acids and inhibit the formation of H2S. This research is aimed to know the influence of pH and the detention time towards the elimination of H2S and know the influence of pH and the detention time of the formation of volatile acid and H2S. This research was conducted by varying pH the range of 4-4,5 (acid); 7-7,5 (neutral); 8-8.5 (alkali). The result of the research showed the lowest formation of H2S is on acids’ pH with the concentration of formation as much as 0,37 mg/L/hari and the detention time 120 hours. The highest formation of TAV was produced on acids’ pH (4-4,5) with the concentration rate of formation as much as 1.739,45 mg/L, and efficiency elimination 40,05 %. %. It can be concluded pH optimum of inhibhit the formation H2S is pH alkali. While pH optimum the formation TAV is pH acid. Keywords : H2S, total volatile fatty acid, acidogenic, POME
Co-Authors Anna Dhora Antonius J Sihotang Boris Kaido Christiani Widia BR Karo David Andrio Fatmayati Fatmayati Gusti Rahayu Hanifah Khairiah Khairiah, Hanifah M Kamal Syah Nur Ama Deli Nur Asma Deli Umar Linggom