Mohamad Yani
Biotechnology Division, Center for Coastal and Marine Resources Studies, Bogor Agricultural Institute,Baranang Siang, Bogor 16144, Indonesia

Published : 11 Documents
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Model Identifikasi Risiko dan Strategi Peningkatan Nilai Tambah pada Rantai Pasok Kelapa Sawit Hidayat, Syarif; ., Marimin; ., Ani; ., Sukardi; Yani, Mohamad
Jurnal Teknik Industri Vol 14, No 2 (2012): DESEMBER 2012
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (71.575 KB) | DOI: 10.9744/jti.14.2.89-96

Abstract

The actors in the palm oil supply chain industry are the farmers, traders, crude palm oil (CPO) factories, frying-oil factories (refineries), distributors and the consumers. The farmers sell fresh fruit bunches (FFB) to the CPO factories through traders. FFB is converted into CPO which is later sold to the refineries. Refineries convert CPO into frying oil which is sold to the consumers through the distributors. There are risks due to product quality consistency, price fluctuation and supply chain continuity. This study has two objectives: (1) to develop a model to identify, evaluate and rank the risks, (2) to develop a model to identify and rank the strategies in improving their added value. Data for this study was obtained through direct interviews and questionnaires. The respondents were selected experts and industry players. The data were processed using Fuzzy Analytic Hierarchy Process (FAHP) models. The first FAHP model showed that the two most important risks were the supply chain continuity and product quality. The second FAHP model showed that the recommended strategies to improve the added values of the actors were the improvement of the infrastructure/cluster development, followed by the usage of superior seeds and cultivation techniques.
Diesel Oil Biodegradation Process By Mixed Culture Of Hydrocarbon Degrader Bacteria Yani, Mohamad; Akbar, Yusuf
Jurnal Teknologi Industri Pertanian Vol 19, No 1 (2009): Jurnal Teknologi Industri Pertanian
Publisher : Jurnal Teknologi Industri Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (71.295 KB)

Abstract

Three isolates name as Pseudomonas aeruginosa (PA), Pseudomonas pseudomallei (PP) and Enterobacter agglomerans (EA) are petroleum hydrocarbon degrader bacteria. They were grown in mineral medium and 10% diesel oil as carbon source. The diesel oil biodegradation by PAEA and PPEA are better than single or other mixed cultures. The diesel oil compounds are oxidized to intermediate product and detected as fatty acids ranged of nC18 to nC8, organic acids, and then it was mineralized. The mineralized products measured as methane, carbon dioxide, and carbon monoxide. This result showed that during hydrocarbon biodegradation of aliphatic compounds by those isolates through fatty acids formation, simple organic acids, and simple volatile organic carbon. The mineralized product of methane, carbon dioxide, and carbon monoxide were emitted to the environment. Keywords: Biodegradation, diesel oil, Pseudomonas, Enterobacter, minerallized
PENILAIAN DAUR HIDUP BOTOL PET (POLYETHYLENA TEREPHTALATE) PADA PRODUK MINUMAN LIFE CYCLE ASSESSMENT (LCA) OF PET (POLYETHYLENA TEREPHTALATE) BOTTLES FOR DRINKING PRODUCT Yani, Mohamad
Bumi Lestari Journal of Environment Vol 13, No 2
Publisher : Udayana University

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Abstract

AbstractThe use of PET packaging in drinking products has increased and shifted glass packaging,so it is necessary to study the life-cycle of PET packaging. This research aims to evaluate lifecycle of PET bottles on tea beverage products. This life-cycle assessment includes productionprocess, inventory, environmental impact, and cost analysis. The life cycle of PET bottle inIndonesia is not complete. The relationship between PET bottle manufacturers, drinkingmanufacturers, and recycling waste, are unidirectional. The recycled waste-PET used forother products. Based on the analysis of inventory, PET bottles 600ml is nedeed 28g resin/bottles and energy. The PET packaging production still produced a high defective product.Environmental impact assessment of PET bottle production indicates that the ambient airquality, noise and waste water are still good. The impact of PET bottle plant produce aglobal warming potential, reduce ozone layer and acid rain. The cost analysis describethat selling price of PET bottles is half the price of a glass bottle, while the price of waste-PET flake is three times higher than cullet. Although PET packaging is considered morepractical, cheap and saving, but the recycling of PET packaging has not been widelyutilized.
PENGHILANGAN BAU AMONIAK DARI TEMPAT PENUMPUKAN LEUM PADA INDUSTRI KARET REMAH DENGAN MENGGUNAKAN TEKNIK BIOFILTER Yani, Mohamad; Purwoko, .; Ismayana, Andes; Nurcahyani, Puji Rahmawati; Pahlevi, Derin
Jurnal Ilmu Pertanian Indonesia Vol 17, No 1 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (295.911 KB)

Abstract

Malodorous gases emitted from natural rubber industries. At crumb rubber plant, leum storage emits high concentration of  ammonia that strength odor and dangerous to healthy workers. This research occurred to remove ammonia from leum storage using biofilter coloum 23L packed with mixed of top-soil, peat-rubber leaves and sludge. The result shows that this biofilters can remove ammonia  from inlet concentration at 4 - 20 ppm to  outlet concentration less than 4,7 ppm (average of 1,1ppm below regulation limit of 2 ppm). The biofilter packed with top soil performs  to ammonia removal efficiency average of 89% and ammonia-removal capacity at 0,36 g-N/kg-dry-material/d. The biofilter packed with mixed of top soil and rubber leaves performs  to ammonia removal efficiency average of 85% and ammonia-removal capacity at 0,60 g-N/kg-dry-material/d. The biofilter packed with mixed of top soil and sludge performs  to ammonia removal efficiency of 99% and ammonia-removal capacity at 0,36 g-N/kg-dry-material/d. The biofilter packed with mixed of top soil and sludge indicated the most stable on ammonia removal capacity and the lowest oulet ammonia at an average of 0.1 ppm.   Keywords:. Ammonia removal, biofilter,  top soil, rubber leaf, sludge.
PENGHILANGAN BAU AMONIAK DARI TEMPAT PENUMPUKAN LEUM PADA INDUSTRI KARET REMAH DENGAN MENGGUNAKAN TEKNIK BIOFILTER Yani, Mohamad; Purwoko, .; Ismayana, Andes; Nurcahyani, Puji Rahmawati; Pahlevi, Derin
Jurnal Ilmu Pertanian Indonesia Vol 17, No 1 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (295.911 KB)

Abstract

Malodorous gases emitted from natural rubber industries. At crumb rubber plant, leum storage emits high concentration of  ammonia that strength odor and dangerous to healthy workers. This research occurred to remove ammonia from leum storage using biofilter coloum 23L packed with mixed of top-soil, peat-rubber leaves and sludge. The result shows that this biofilters can remove ammonia  from inlet concentration at 4 - 20 ppm to  outlet concentration less than 4,7 ppm (average of 1,1ppm below regulation limit of 2 ppm). The biofilter packed with top soil performs  to ammonia removal efficiency average of 89% and ammonia-removal capacity at 0,36 g-N/kg-dry-material/d. The biofilter packed with mixed of top soil and rubber leaves performs  to ammonia removal efficiency average of 85% and ammonia-removal capacity at 0,60 g-N/kg-dry-material/d. The biofilter packed with mixed of top soil and sludge performs  to ammonia removal efficiency of 99% and ammonia-removal capacity at 0,36 g-N/kg-dry-material/d. The biofilter packed with mixed of top soil and sludge indicated the most stable on ammonia removal capacity and the lowest oulet ammonia at an average of 0.1 ppm.
Diesel Oil Biodegradation Process By Mixed Culture Of Hydrocarbon Degrader Bacteria Yani, Mohamad; Akbar, Yusuf
Journal of Agroindustrial Technology Vol 19, No 1 (2009): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Three isolates name as Pseudomonas aeruginosa (PA), Pseudomonas pseudomallei (PP) and Enterobacter agglomerans (EA) are petroleum hydrocarbon degrader bacteria. They were grown in mineral medium and 10% diesel oil as carbon source. The diesel oil biodegradation by PAEA and PPEA are better than single or other mixed cultures. The diesel oil compounds are oxidized to intermediate product and detected as fatty acids ranged of nC18 to nC8, organic acids, and then it was mineralized. The mineralized products measured as methane, carbon dioxide, and carbon monoxide. This result showed that during hydrocarbon biodegradation of aliphatic compounds by those isolates through fatty acids formation, simple organic acids, and simple volatile organic carbon. The mineralized product of methane, carbon dioxide, and carbon monoxide were emitted to the environment. Keywords: Biodegradation, diesel oil, Pseudomonas, Enterobacter, minerallized
Environmental Remediation Full-Scale Implementation: Back to Simple Microbial Massive Culture Approaches Syakti, Agung; Yani, Mohamad
Makara Journal of Technology Vol 13, No 1 (2009)
Publisher : Directorate of Research and Community Services, Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7454/mst.v13i1.157

Abstract

Using bioaugmentation and biostimulation approach for contaminated soil bioremediation were investigated and implemented on field scale. We combine those approaches by culturing massively the petrophilic indigenous microorganisms from chronically contaminated soil enriched by mixed manure. Through these methods, bioremediation performance revealed promising results in removing the petroleum hydrocarbons comparatively using metabolite by product such as biosurfactant, specific enzymes and other extra-cellular product which are considered as a difficult task and will impact on cost increase.
ANALISIS KUALITAS AIR DAN DAYA TAMPUNG BEBAN PENCEMARAN SUNGAI PESANGGRAHAN DI WILAYAH PROVINSI DKI JAKARTA Djoharam, Veybi; Riani, Etty; Yani, Mohamad
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 8, No 1 (2018): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (688.729 KB) | DOI: 10.29244/jpsl.8.1.127-133

Abstract

Pesanggrahan River has important role and function to support human life and ecosystem existing in river area. Daily human activities that utilize river water and then dispose the sewage/waste into Pesanggrahan River can decrease the air quality. This research aims to analyzed the water quality condition of Pesanggrahan River based on physical and chemical water river factors. The analysis was conducted on eight observation points along the Pesanggrahan River in DKI Jakarta Province by testing the air pollution parameters comparing it to the air quality standard of Governmental Regulation No. 82/2001 on Air Quality Management and Air Pollution Control for Class II and Jakarta Governor Regulation No. 582/1995 on the Establishment of the Allocation and Quality Standards of River Water/Raw Water Agency of Liquid Waste Quality Standard in the Special Capital Region of Jakarta for Group C. The parameters observed in this study are 18 and 6 overall physical parameters (temperature and TSS) and parameters chemical (pH, DO, BOD, and COD). Determination of water quality status using pollution index method compared with air quality standard Governmental Regulation No. 82/2001 class II and Jakarta Governor Regulation No. 582/1995 Group C. The air quality condition of Pesanggrahan River from upstream to downstream at eight points of observation has generally decreased quality according to parameters of TSS, DO, BOD and COD which were not fulfill the quality standard. Based on the status of water quality status of Pesanggrahan River from upstream to downstream has decreased quality with mild to moderate pollutant status.
BIOREMEDIASI TANAH BERTEKSTUR KLEI TERKONTAMINASI MINYAK BUMI: APLIKASI TEKNIK BIOPILE DENGAN PENAMBAHAN PASIR Arifudin, Arifudin; Yani, Mohamad; Murtilaksono, Kukuh
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 6, No 1 (2016): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (532.842 KB) | DOI: 10.29244/jpsl.6.1.13

Abstract

Problem encountered in the application of biopile technique for bioremediation of clay textured soils contaminated with crude oil is limited rate of air flow through the soil.  It is a challenge to solve the problem by adding the soil with sand. The addition of sand is also indispensable for the well growth and activity of bacteria in the bioremediation process. This study aims to evaluate the addition of sand on bioremediation of a clay textured soil contaminated with crude oil using biopile technique at pilot scale of 2 tons capacity. The results showed a decline of 76% soil TPH concentration, from 4.22% to 1.00%, within 63 days. Total population of bacteria during the bioremediation process ranged from 1.00 x106 to 1.43 x 1011 CFUs.g-1 soil. At the end of the experiment, a loss in the types and content of some easily degrading  hydrocarbon substances was observed.
ANALISIS KEBERLANJUTAN PENGEMBANGAN PRASARANA TRANSPORTASI PERKOTAAN DI METROPOLITAN MAMMINASATA PROVINSI SULAWESI SELATAN Kusbimanto, Ignatius Wing; Sitorus, Santun R.P.; -, Machfud; Poerwo, I.F. Poernomosidhi; Yani, Mohamad
Jurnal Jalan-Jembatan Vol 30, No 1 (2013)
Publisher : Pusat Penelitian dan Pengembangan Jalan dan Jembatan

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Abstract

ABSTRAKMetropolitan Mamminasata yang terdiri dari Makassar, Maros, Sungguminasa dan Takalar merupakan salah satu dari delapan Kawasan Metropolitan si Indonesia. Permasalahan prasarana transportasi perkotaan saat ini adalah kemacetan pada waktu jam sibuk, kesemerawutan lalu lintas, tingginya angka kecelakaan, kebisingan dan polusi udara akibat emisi kendaraan bermotor. Pemerintah telah melakukan berbagai upaya untuk mengatasi maslah transportasi namun belum efektif. Tujuan penelitian ini adalah untuk mengevaluasi kondisi eksisting sistem jaringan prasarana transportasi perkotaan dan status berkelanjutannya serta mengidentifikasi faktor-faktor kunci yang berpengaruh dalam rangka menghasilkan arah kebijakan pengembangan prasarana transportasi perkotaan berkelanjutan Metropolitan Mamminasata. ruang lingkup penelitian terbatas pada jaringan jalan nasional. Data primer diperoleh dari survei perhitungan lalu lintas dan wawancara dengan responden secara purposiv sampling. berdasarkan data lalu lintas tahun 2009 volume lalu lintas rata-rata adalah 2.299 smp/jam dan pada tahun 2013 meningkat menjadin 3.520 smp/jam. Nilai derajat kejenuhan mengalami peningkatan dari 0,43 pada tahun 2009 menjadi 0,66 pada tahun 2013. Tingkat Layanan (LOS) kategori C dimana aliran jaringa jalan stabil mendekati tidak stabil dengan volume lalu lintas tinggi. Multi Dimensional Scaling (MDS) digunakan untuk menganalisis empat dimensi yang terdiri dari 59 atribut. MDS menggunakan RAPTransport untuk mendapatkan Indeks Keberlanjutan. Nilai dimensi lingkungan adalah 51,87%, ekonomi dimensi 53,23%, dimensi sosial 49,19%, dan 51,68% dimensi keteknikkan. Status keberlanjutan cukup berkielanjutn yang ditunjukkan dengan nilai indeks keberlanjutan multi dimensi adalah 50,18. MDS, analisis kebutuhan dan ISM digunakan untuk untuk mendapatkan faktor kunci utama. Pemerintah dan pemerintah daerah dalam menetapkan arahan kebijakan dengan melakukan interfensi kebijakan dengan cara meningkatkan faktor-faktor kunci yang sensitif dalam upaya meningkatkan status berkelanjutan. Kata kunci :  prasarana transportasi perkotaan, keberlanjutan, tingkat pelayanan, teknik dan faktor kunci