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Suryanto, Feddy
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Environmental Science

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Perancangan ID Fan dan Cerobong pada Unit Pembangkit Listrik Tenaga Sampah Purwanta, Wahyu; Suryanto, Feddy
Jurnal Teknologi Lingkungan Vol. 19 No. 2 (2018)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (346.564 KB) | DOI: 10.29122/jtl.v19i2.2786

Abstract

ABSTRACTThe problem for big cities in implementing the MSW disposal method is the  land availability. Hierarchically, a suitable method for solving this condition is not to dispose the MSW into the landfill but to treat it in the thermal processing, such as incineration. The bonus of this incineration is the heat dissipation that can be utilized to generate electricity. Burning MSW through incinerator that converts into energy is often called a Waste to Energy (WtE) or PLTSa.  Beside the benefit of the high temperature flue gas that can produce electricity, PLTSa also emits major pollutants in the flue gas such as particulates, SO2, NOx, CO, HCl, dioxins and furans. In order to meet the emission standards, the PLTSa design has to be equipped with APCD’s such as cyclone, semi-dry scrubber and bag filter. ID fan withdraws the flue gas into the chimney before discharging it into the ambient air through the top exit of chimney. The main parameters in the design of the ID fan and chimney are the quantity, quality and temperature of the flue gas as well as the environmental parameters, such as air temperature, atmospheric stability, wind speed and direction. The design of the chimney was carried out with a technical calculation approach, simulation of Gaussian dispersion model and the compliance of related regulations from the MoEF. In the design of PLTSa with a waste capacity of 350 tons/day, specification of the stack is 2.02 m diameter and the 70 m height whereas ID fan is 70,000 cfm flue gas flowrate, 400 BHP power, 80% mechanical efficiency and  25 inch H2O pressure pump.Keywords: Waste-to-energy, flue gas, ID fan, chimneyABSTRAKSalah satu masalah bagi kota-kota besar dalam menerapkan metode pengolahan sampah adalah ketersediaan lahan. Secara hierarkis metode yang mampu memenuhi kondisi ini adalah pengolahan dengan metode termal sekaligus memanfaatkan buangan panas yang ada untuk membangkitkan energi listrik. Pembakaran sampah dengan insinerator yang merubah sampah menjadi energi ini sering juga disebut   Pembangkit Listrik Tenaga Sampah (PLTSa). Salah satu hasil samping PLTSa adalah flue gas yang temperaturnya tinggi serta mengandung polutan utama seperti partikulat, SO2, NOx dan CO.  Agar memenuhi baku mutu emisi,  rancangan PLTSa dalam studi ini dilengkapi dengan unit cyclone, semi dry scrubber, bag filter dan ID fan serta cerobong sebagai unit pembuangan akhir flue gas. Sebagai unit akhir pembuang flue gas ke lingkungan, peran cerobong sangat penting sehingga perlu beberapa pendekatan dalam perancangan. Parameter desain utama dalam perancangan cerobong adalah kuantitas, kualitas dan suhu dari flue gas serta parameter meterologis lingkungan seperti suhu udara, stabilitas atmosfer, kecepatan dan arah angin. Dalam perancangan cerobong pada studi ini dilakukan dengan pendekatan perhtiungan teknis, simulasi model dispersi Gaussian serta peraturan terkait dari Kementerian Lingkungan Hidup dan Kehutanan. Dalam rancangan PLTSa  dengan kapasitas olah sampah 350 ton/hari ditetapkan diameter cerobong 2,05 m dengan tinggi 70 m, serta diperlukan ID fan sebagai pendorong flue gas dengan spesifikasi Q = 70.000 cfm, BHP = 400, mechanical efficiency 80% dan static pressure pompa = 25 inch H2O.Kata kunci: Sampah menjadi energi, gas buang, ID fan, cerobong
Purifikasi Gas Metana (CH4) dari TPA Sampah Menggunakan Metode Water Scrubber Sahwan, Firman Laili; Wahyono, Sri; Suryanto, Feddy; Hanif, Muhammad
Jurnal Teknologi Lingkungan Vol. 20 No. 2 (2019)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (355.394 KB) | DOI: 10.29122/jtl.v20i2.3260

Abstract

ABSTRACTHigh population growth rate has stimulated the increase of energy consumption. Therefore, the use of renewable energy sources such as methane gas from landfill has also been encouraged. It is necessary that landfill methane gas is purified to increase its concentration. Common method to purify methane gas is water scrubber method. The aim of this research was to evaluate the effectiveness of landfill methane gas purification using a spray water scrubber (water scrubber method), a water column scrubber (bubbling methods) and the combination of both methods to increase the content of landfill methane. The experiment was conducted in the dry season and rainy season. Results of the study concluded that water scrubber was the most effective method for increasing methane gas concentration. The average increase of methane gas in the dry season were 33.32% (water scrubber) and 23.79% (combination of bubbling and water scrubber), and in the rainy season 8.89% (water bubbling) and 2.75% (combination of water scrubber and water bubbling). The increase in methane gas was due to a decrease in CO2 gas. In addition, there was an increase of H2O content in biogas from landfill after the purification process.Keywords: Landfill, methane gas, purification, water scrubberABSTRAKTingginya laju pertumbuhan penduduk telah memacu konsumsi energi yang terus meningkat. Oleh karena itu diperlukan upaya pemanfaatan sumber energi terbarukan, yang salah satunya adalah gas metana yang berasal dari TPA sampah. Keinginan untuk meningkatkan kandungan gas metana TPA diperlukan upaya purifikasi, menggunakan metode water scrubber. Penelitian ini dilakukan dengan tujuan mengetahui efektivitas purifikasi gas metana TPA dengan menggunakan metode pengaliran gas dalam percikan air (water scrubber) dan metode pengaliran gas dalam air atau water bubbling (serta kombinasi keduanya) untuk meningkatkan kandungan gas metana TPA, yang dilakukan pada musim kemarau dan musim penghujan. Hasil penelitian menyimpulkan bahwa water scrubber merupakan metoda yang paling efektif untuk meningkatkan kandungan gas metana. Rata-rata peningkatan gas metana pada musim kemarau dan musim penghujan, berturut-turut sebesar 33,32% (water scrubber), 23,79 (kombinasi water bubbling dan water scrubber), 8,89% (water bubbling) dan 2,75% (kombinasi water scrubber dan water bubbling). Peningkatan gas metana tersebut terjadi karena adanya penurunan gas CO2. Selain itu, terjadi peningkatan kandungan H2O pada biogas dari TPA setelah proses purifikasi.Kata kunci: TPA, gas metana, purifikasi, water scrubber.
PENGELOLAAN SAMPAH BERBASIS MASYARAKAT DI RAWASARI, KELURAHAN CEMPAKA PUTIH TIMUR, JAKARTA PUSAT Wahyono, Sri; L. Sahwan, Firman; Suryanto, Feddy
Jurnal Teknologi Lingkungan Vol. 13 No. 1 (2012)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (639.798 KB) | DOI: 10.29122/jtl.v13i1.1407

Abstract

Pengelolaan sampah berbasis masyarakat (PSBM) adalah sistem penanganan sampah yang direncanakan, disusun, dioperasikan, dikelola dan dimiliki oleh masyarakat. Peran PSBM sangat penting dalam ikut membantu mengurangi permasalahan sampah kota, sehingga konsep tersebut banyak dilakukan di berbagai tempat, termasuk di Rawasari. Penelitian ini dilakukan untuk mengetahui perkembangan kegiatan PSBM di Rawasari, yang secara khusus bertujuan: (i) monitoring dan evaluasi, (ii) pembinaan dan pendampingan, (iii) sosialisasi dan publikasi. Hasil penelitian menunjukkan bahwa kegiatan PSBM di Rawasari berjalan dengan baik, berkat adanya pembinaan yang baik dan berkesinambungan. Hal ini tergambar dari peningkatan jumlah keluarga yang berpartisipasi dalam kegiatan pengomposan dan daur ulang sampah anorganik. Hasil tersebut juga tidak terlepas dari peran kader lingkungan yang ada serta kerjasama yang baik antar stakeholders, baik yang berasal dari pemerintah setempat, instansi kebersihan, lembaga penelitian, LSM, lembaga asing, dan warga setempat. Adanya kegiatan sosialisasi keberhasilan PSBM di RW 01 dan RW 02 melalui kegiatan pencanangan gerakan PSBM oleh Gubernur DKI Jakarta, ikut mendorong keberhasilan PSBM di Rawasari. Pemerintah DKI Jakarta menyadari bahwa peran serta masyarakat, sangat efektif dalam menekan jumlah timbulan sampah. Untuk itu, kegiatan PSBM telah dijadikan sebagai salah satu program utama pengelolaan sampah. kata kunci: pengelolaan sampah, kader lingkungan, daur ulang, pengomposanAbstractCommunity-based solid waste management (CBSWM) is the solid waste management that are planned, developed, operated, managed and owned by the local community. CBSWM is very important role to reduce the problem of municipal solid waste. This concept is widely applied in various places, including in Rawasari, Central Jakarta. The study was conducted to determine the progress of the CBSWM in Rawasari, which specifically aims to: (i) monitoring and evaluation, (ii) coaching and mentoring, (iii) socializing and publication. The results showed that the activity of CBSWM in Rawasari is going well. This is illustrated by the increasing number of families who participate in composting and recycling of anorganic waste. These good results are affected by the roles of environmental cadres as well as good cooperation between stakeholders, such as local governments, research institutions, NGOs, international agencies, and local residents. The Jakarta administration realizes that the roles of the community are very effective in reducing the amount of waste generation. So that, activities of CBSWM becomes one of the major program in waste management..kay words: Community-based solid waste management,  environmental cadres, recycling, composting
EVALUASI PROSES PRODUKSI PUPUK ORGANIK GRANUL (POG) YANG DIPERKAYA DENGAN MIKROBA FUNGSIONAL Sahwan, Firman Laili; Wahyono, Sri; Suryanto, Feddy
Jurnal Teknologi Lingkungan Vol. 12 No. 1 (2011)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (436.211 KB) | DOI: 10.29122/jtl.v12i1.1257

Abstract

Organic Fertilizer in the form of Granule Organic Fertilizer (POG), which is enrichedwith functional microbes, has been produced in great quantities nowdays, because it isexpected to improve the physical, chemical, and biological properties of soil at once. Thecondition of land degradation that has become a big concern, in spite of the low organicmatter in the lands, more encourage the increasing of POG production to be applied verysoon into agricultural lands in Indonesia. However, how is the conditions of the POGplant, what kind of raw material that will be used and how does the production processitself run, would be very excited to be analysis in order to develop the future of POGplant. Results showed that the POG plant conditions generally contains of the facilitiesand infrastructure that support the physical/ mechanical process, that is not passed thebiological process first which is known as composting process. The raw materials thathas been used could not maximize organic materials potentials that exist and only relyon animal waste and sugarcane waste (blotong) from sugar mills, as the main mostlyused raw material. While the common POG manufacturing process consist of the mixingof the raw materials, granulation process, drying, cooling, screening, enrichment withfunctional microbes and packaging.
KUALITAS KOMPOS SAMPAH RUMAH TANGGA YANG DIBUAT DENGAN MENGGUNAKAN ”KOMPOSTER” AEROBIK Sahwan, Firman; Wahyono, Sri; Suryanto, Feddy
Jurnal Teknologi Lingkungan Vol. 12 No. 3 (2011)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (348.697 KB) | DOI: 10.29122/jtl.v12i3.1231

Abstract

Upaya pembuatan kompos sampah rumah tangga dengan menggunakan ”komposter”, dapat membantu upaya pengelolaan sampah kota dalam bentuk: mengurangi jumlahtimbulan sampah di sumber, mengurangi biaya transportasi pengangkutan sampah dan dapat memperpanjang umur TPA. Untuk itulah penelitian ini dilakukan dengan tujuan mengevaluasi efektivitas proses pengomposannya, sekaligus mengetahui kualitas kompos yang dihasilkan. Parameter analisis kualitas kompos yang digunakanadalah: keberadaan mikroba kontaminan, tingkat kematangan, serta kesesuaian dengan Permentan No. 28 of 2009 atau SNI Kompos 2004. Hasil penelitian menyimpulkan bahwa proses pengomposannya berjalan dengan baik dan cukup efektif, serta menggambarkan proses dekomposisi secara aerobik. Adapun produk kompos yang dihasilkan berkualitas baik, bebas dari mikroba kontaminan (patogen), memenuhi persyaratan kompos matang dan secara umum sesuai dengan parameter yang dipersyaratkan oleh Permentan Pupuk Organik atau SNI Kompos 2004.
EVALUASI POPULASI MIKROBA FUNGSIONAL PADA PUPUK ORGANIK KOMPOS (POK) MURNI DAN PUPUK ORGANIK GRANUL (POG) YANG DIPERKAYA DENGAN PUPUK HAYATI Sahwan, Firman Laili; Wahyono, Sri; Suryanto, Feddy
Jurnal Teknologi Lingkungan Vol. 12 No. 2 (2011)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (213.551 KB) | DOI: 10.29122/jtl.v12i2.1250

Abstract

Organic fertilizer is a fertilizer that is expected to improve the physical, chemical, and biological properties of the agricultural land resources, which is undergoing fertilityand productivity degradation. Compost is one of the organic fertilizers produced from the biological decomposition process by a consortium of microorganisms, includingfunctional microorganisms. To make it easier for farmers and efficiency in the use of organic fertilizer, organic fertilizer will be further processed into granular form and is called Granules Organic Fertilizer (POG). In the manufacturing process, namely at the time of drying using a rotary dryer, was suspected of using high temperatures to kill microbes (including functional microbial) that naturally exist in the organic compost fertilizer (POK), which is the raw material for POG. To increase the presence of functional microbial populations, the POG which has produced before, then added with bio fertilizer that is rich in microbial functional. This research was conducted to determine and evaluate the total microbial population and functional microbial in pure POK, compared with the total microbial population and functional microbial in the POG are enriched with bio-fertilizer. The results showed: There is an indication to the higher number of total microbial population in the POK, who showed by total fungi population, compared with the POG. The number of functional microbial population, as shown by bacterial phosphate solvent and non-symbiotic bacteria that are fastening N in POK, very high and already meets the criteria to be called as a biological fertilizer. The amount is not significantly different compared to the POG that is already enriched with bio fertilizer that is rich in microbial functional. There is an indication of the influence of high heating using a rotary dryer, in the POG manufacturing process against the decreasing of the amount of microbialpopulation that are resulting in the POG, including functional microbial
Studi Karakterisasi Sampah Landfill dan Potensi Pemanfaatannya (Studi Kasus di TPA Sukawinatan dan Bantargebang) Wahyono, Sri; Sahwan, Firman Laili; Suryanto, Feddy; Febriyanto, Irhan; Nugroho, Rudi; Hanif, Muhammad
Jurnal Teknologi Lingkungan Vol. 20 No. 2 (2019)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (554.738 KB) | DOI: 10.29122/jtl.v20i2.3335

Abstract

ABSTRACTLandfills contain materials that can be recovered to be recycled or used as an energy source. The purpose of this study is to conduct waste characterization that has long been buried in landfill which includes analysis of composition, proximate analysis, and ultimate analysis. Then the waste is analyzed for its use as recycled material and energy sources. The study was conducted at the Sukawinatan landfill (Palembang) and the Bantargebang landfill (Bekasi). Sampling was carried out on garbage that had been buried in landfills by digging at depths of up to 5 m using an excavator. Furthermore, the samples are dried in the sun, sifted with rotary screen, and sorted manually. Some samples were taken by quartering to be analyzed in the laboratory. The results of the research and analysis showed that (i) landfill waste was dominated by compost material (31-47%) and plastic combustible material (32-43%) and nonplastic combustible material (32-43%); (ii) shaped material such as compost has the potential as a substitute for landfill cover and as soil conditioner; (iii) potentially recycled materials such as plastic waste need intensive sorting and cleaning; (iv) landfills excavated waste can be potentially used as an energy source or refuse-derifed fuels (RDF) with a heating value between 7.31-15.61 MJ / kg; (v) landfills excavated waste has the potential to be used as fuel for incinerators; (vi) utilization of landfill waste for the cement industry still faces several obstacles such as high chlorine content and water content.Keywords: landfill, waste characterization, composition, proximate, ultimate ABSTRAKTPA mengandung material yang dapat diambil untuk didaur ulang atau dimanfaatkan sebagai sumber energi. Tujuan dari penelitian ini adalah untuk melakukan karakterisasi sampah yang telah lama tertimbun di TPA yang  meliputi analisis komposisi, analisis proksimat, dan analisis ultimat. Kemudian sampah tersebut dilakukan analisis pemanfaatannya sebagai bahan daur ulang dan sumber energi. Penelitian dilakukan di TPA Sukawinatan (Palembang) dan di TPA Bantargebang (Bekasi). Pengambilan sampel dilakukan terhadap sampah yang sudah tertimbun di landfill dengan cara menggali pada kedalaman hingga 5 m menggunakan excavator. Selanjutnya sampel dijemur, diayak dengan penyaring berputar (rotary screen), dan dipilah secara manual. Sebagian  sampel diambil dengan metode perempatan (quartering) untuk kemudian dianalisa di laboratorium. Hasil dari penelitian dan analisisnya memperlihatkan bahwa (i) sampah galian TPA didominasi oleh material kompos (31-47%) dan material combustible plastik (32-43%) serta combustible nonplastik (32-43%); (ii) material berbentuk seperti kompos memiliki potensi sebagai pengganti soil cover TPA dan sebagai material pembenah tanah (soil conditioner); (iii) material yang potensial didaur ulang seperti sampah plastik perlu pemilahan dan pembersihan yang intensif; (iv) sampah galian TPA potensial dimanfaatkan sebagai sumber energi atau RDF (refuse-derifed fuels) dengan nilai kalor antara 7,31-15,61 MJ/kg; (v) sampah galian TPA berpotensi digunakan sebagai bahan bakar insinerator PLTSa; (vi) pemanfaatan sampah galian TPA untuk industri semen masih menghadapi beberapa kendala seperti tingginya kandungan klorin dan kadar air.Kata kunci: landfill, karakterisasi sampah, komposisi, proksimat, ultimat
Co-Authors Febriyanto, Irhan Firman L. Sahwan Firman Laili Sahwan Muhammad Hanif Rudi Nugroho Sahwan, Firman Sri Wahyono wahyu purwanta