Monitoring of Ammoniacal Nitrogen and Phosphate in the Leachates When Diluted Palm Oil Mill Effluent was Used as a Fertilizer

Palm oil mill effluent (POME) contains a high amount of nutrients and organic matter; therefore, it has been considered as an alternative liquid fertilizer (LF). However, the studies on the reuse of POME as fertilizer have been mostly limited to nutrients absorption but the leachates were neglected. Such approach caused potential impacts on ground water pollution. Thus, this research aimed to compare the leachabilities of ammoniacal nitrogen (NH3-N) and phosphate (PO43-), as well as the growth rates of oil palm seedlings in three different watering conditions. Six oil palm seedlings were watered with either POME, LF or tap water. The leachates from each seedling pot were collected weekly and analyzed for their NH3-N and PO43- concentrations. The pots which were watered with tap water showed the highest leaching rate of 0.0251 mg.L-1.week-1 for NH3-N and 0.0392 mg.L-1.week-1 for PO43-. The average concentrations of NH3-N in the leachates from the POME, LF and tap water potswere 0.45, 0.38 and 0.36 mg/L, respectively, whereas for PO43-, the average concentrations were 1.09 (POME), 0.96 (LF) and 0.66 (tap water) mg/L. The quickest plant growth rates were recorded in tap water (0.56 cm/day), followed by LF (0.51 cm/day) and POME (0.42 cm/day).

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Strategies for recovery of imbalanced full-scale biogas reactor feeding with palm oil mill effluent

PeerJ ◽

10.7717/peerj.10592 ◽

2021 ◽

Vol 9 ◽

pp. e10592

Author(s):

Nantharat Wongfaed ◽

Prawit Kongjan ◽

Wantanasak Suksong ◽

Poonsuk Prasertsan ◽

Sompong O-Thong

Keyword(s):

Palm Oil ◽

Oil Palm ◽

Biogas Production ◽

Tap Water ◽

Full Scale ◽

Palm Oil Mill Effluent ◽

Ph Adjustment ◽

Oil Palm Ash ◽

Palm Oil Mill ◽

Biogas Reactor

Background Full-scale biogas production from palm oil mill effluent (POME) was inhibited by low pH and highly volatile fatty acid (VFA) accumulation. Three strategies were investigated for recovering the anaerobic digestion (AD) imbalance on biogas production, namely the dilution method (tap water vs. biogas effluent), pH adjustment method (NaOH, NaHCO3, Ca(OH)2, oil palm ash), and bioaugmentation (active methane-producing sludge) method. The highly economical and feasible method was selected and validated in a full-scale application. Results The inhibited sludge from a full-scale biogas reactor could be recovered within 30–36 days by employing various strategies. Dilution of the inhibited sludge with biogas effluent at a ratio of 8:2, pH adjustment with 0.14% w/v NaOH, and 8.0% w/v oil palm ash were considered to be more economically feasible than other strategies tested (dilution with tap water, or pH adjustment with 0.50% w/v Ca(OH)2, or 1.25% NaHCO3 and bioaugmentation) with a recovery time of 30–36 days. The recovered biogas reactor exhibited a 35–83% higher methane yield than self-recovery, with a significantly increased hydrolysis constant (kH) and specific methanogenic activity (SMA). The population of Clostridium sp., Bacillus sp., and Methanosarcina sp. increased in the recovered sludge. The imbalanced full-scale hybrid cover lagoon reactor was recovered within 15 days by dilution with biogas effluent at a ratio of 8:2 and a better result than the lab-scale test (36 days). Conclusion Dilution of the inhibited sludge with biogas effluent could recover the imbalance of the full-scale POME-biogas reactor with economically feasible and high biogas production performance.

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Indigenous cellulolytic and hemicellulolytic bacteria enhanced rapid co-composting of lignocellulose oil palm empty fruit bunch with palm oil mill effluent anaerobic sludge

Bioresource Technology ◽

10.1016/j.biortech.2013.08.061 ◽

2013 ◽

Vol 147 ◽

pp. 632-635 ◽

Cited By ~ 33

Author(s):

Mohd Huzairi Mohd Zainudin ◽

Mohd Ali Hassan ◽

Mitsunori Tokura ◽

Yoshihito Shirai

Keyword(s):

Palm Oil ◽

Oil Palm ◽

Palm Oil Mill Effluent ◽

Anaerobic Sludge ◽

Empty Fruit Bunch ◽

Palm Oil Mill

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Physico-Chemical Properties In Degradation Of Oil Palm Solid Waste By Microbial Inoculant And Palm Oil Mill Effluent

IOP Conference Series Earth and Environmental Science ◽

10.1088/1755-1315/187/1/012023 ◽

2018 ◽

Vol 187 ◽

pp. 012023

Author(s):

Sylvia Madusari ◽

Indriana Lestari ◽

Vira Irma Sari

Keyword(s):

Solid Waste ◽

Palm Oil ◽

Oil Palm ◽

Chemical Properties ◽

Palm Oil Mill Effluent ◽

Microbial Inoculant ◽

Physico Chemical ◽

Palm Oil Mill

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Pengembangan Potensi Energi Alternatif Dengan Pemanfaatan Limbah Cair Kelapa Sawit Sebagai Sumber Energi Baru Terbarukan Di Kabupaten Kotawaringin Timur

Jurnal Ilmu Lingkungan ◽

10.14710/jil.14.2.96-102 ◽

2016 ◽

Vol 14 (2) ◽

pp. 96 ◽

Cited By ~ 1

Author(s):

Yulian Mara Alkusma ◽

Hermawan Hermawan ◽

H Hadiyanto

Keyword(s):

Renewable Energy ◽

Chemical Oxygen Demand ◽

Palm Oil ◽

Oil Palm ◽

Liquid Waste ◽

Oxygen Demand ◽

Electrical Energy ◽

Palm Oil Mill Effluent ◽

Environmental Disaster ◽

Palm Oil Mill

ABSTRAKEnergi memiliki peranan penting dalam proses pembangunan yang pada akhirnya untuk mencapai tujuan sosial, ekonomi dan lingkungan untuk serta merupakan pendukung bagi kegiatan ekonomi nasional. Sumber energi terbarukan yang berasal dari pemanfaatan biogas limbah cair kelapa sawit dapat menghasilkan energi listrik yang saat ini banyak bergantung pada generator diesel dengan biaya yang mahal.Limbah cair kelapa sawit (Palm Oil Mill Effluent atau POME) adalah limbah cair yang berminyak dan tidak beracun, berasal dari proses pengolahan minyak kelapa sawit, namun limbah cair tersebut dapat menyebabkan bencana lingkungan apabila tidak dimanfaatkan dan dibuang di kolam terbuka karena akan melepaskan sejumlah besar gas metana dan gas berbahaya lainnya ke udara yang menyebabkan terjadinya emisi gas rumah kaca. Tingginya kandungan Chemical Oxygen Demand (COD) sebesar 50.000-70.000 mg/l dalam limbah cair kelapa sawit memberikan potensi untuk dapat di konversi menjadi listrik dengan menangkap biogas (gas metana) yang dihasilkan melalui serangkaian tahapan proses pemurnian. Di Kabupaten Kotawaringin Timur terdapat 36 Pabrik Pengolahan Kelapa Sawit yang total kapasitas pabriknya adalah sebesar 2.115 TBS/jam, menghasilkan limbah cair sebesar 1.269 ton limbah cari/jam dan mampu menghasilkan 42.300 m3 biogas.Kata kunci: Renewable Energy, Plam Oil Mill Effluent, Chemical Oxygen Demand, Biogass, Methane. ABSTRACTEnergy has an important role in the development process and ultimately to achieve the objectives of social, economic and environment for as well as an environmental support for national economic activity. Renewable energy source derived from wastewater biogas utilization of oil palm can produce electrical energy which is currently heavily dependent on diesel generators at a cost that mahal.Limbah liquid palm oil (Palm Oil Mill Effluent, or POME) is the wastewater that is greasy and non-toxic, derived from the processing of palm oil, but the liquid waste could cause environmental disaster if not used and disposed of in open ponds because it will release large amounts of methane and other harmful gases into the air that cause greenhouse gas emissions. The high content of Chemical Oxygen Demand (COD) of 50000-70000 mg / l in the liquid waste palm oil provides the potential to be converted into electricity by capturing the biogas (methane gas) produced through a series of stages of the purification process. In East Kotawaringin there are 36 palm oil processing factory that total factory capacity is of 2,115 TBS / hour, producing 1,269 tons of liquid waste wastewater / h and is capable of producing 42,300 m3 of biogas.Keywords: Renewable Energy, Plam Oil Mill Effluent, Chemical Oxygen Demand, Biogass, MethaneCara sitasi: Alkusma, Y.M., Hermawan, dan Hadiyanto. (2016). Pengembangan Potensi Energi Alternatif dengan Pemanfaatan Limbah Cair Kelapa Sawit sebagai Sumber Energi Baru Terbarukan di Kabupaten Kotawaringin Timur. Jurnal Ilmu Lingkungan,14(2),96-102, doi:10.14710/jil.14.2.96-102

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