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Erdi Suroso
Lampung University
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Transportation Other

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KAJIAN SELEKSI SUMBER MIKROORGANISME PEMBENTUK BIOGAS DARI AIR LIMBAH INDUSTRI SAGU Yuliastini, Siluh Made; Hasanudin, Udin; Suroso, Erdi
Jurnal Teknologi & Industri Hasil Pertanian Vol 19, No 2 (2014): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (157.264 KB) | DOI: 10.23960/jtihp.v19i2.149 - 160

Abstract

Sago industry is one of the industries that generate wastewater with high levels of pollution load. High load of the wastewater can be reduced by anaerobic digestion methods. However, phenolic compounds derived from the sago trunk cause problems on the activity of microorganisms in anaerobic digestion. The purposes of this research were to select source of microorganisms which capable to decompose organic matter and to know their capabilities on biogas production from sago industrial wastewater. Sources of microorganisms used in this study were sludge from WWTP of sago industry, and  microorganism, commercially known as Activated Growth and BioCK.  Sago industry wastewater were fermented in stirred bioreactor. Each bioreactor contained 20% source of microorganisms and 80% of sago industry wastewater.  Each treatment was adapted for 7 days and value of pH, SCOD, Total Suspended Solid (TSS), Volatile Suspended Solid (VSS) and the gas volume was analyzed on the eight day. The result showed that the best source of microorganisms which was capable of degrading organic matter from sago industry wastewater  into biogas  was the sludge from WWTP of sago industry. With  the Hydraulic Retention Time (HRT) of 66 days, the sludge from WWTP of sago industry was able to  reach 55.79% SCOD removal, biogas production of 200 mL, pH value of 5.75, TSS 17 187 mg / L, VSS 12 296 mg / L, ratio of VSS / TSS 0.7129 mgVSS / mgTSS, Keywords : biogas, phenolic, sago, SCOD removal, sludge, wastewater
KAJIAN EFEKTIFITAS PENGGUNAAN TANAMAN ECENG GONDOK (Eichornia crassipes) DALAM MENURUNKAN BEBAN PENCEMAR AIR LIMBAH INDUSTRI GULA TEBU Hasanudin, Udin; Suroso, Erdi; -, Hartono
Jurnal Teknologi & Industri Hasil Pertanian Vol 18, No 2 (2013): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (376.88 KB) | DOI: 10.23960/jtihp.v18i2.157 - 167

Abstract

Sugarcane industries produce wastewater with high levels of pollution load. Wastewater pollutant load can be lowered by treating wastewater in the WWTP. Wastewater treatment process using Biological conventional system still has the disadvantage of increasing the pH of the waste water at a given time. It causes algae blooming. Algae population levels increases due to nutrients in wastewater. To prevent algae  from blooming, nutrient concentration in the waste water should be reduced. This study was aimed to measure the effectiveness of Waterhyacinth in lowering pollutant load of sugar cane industrial wastewater. The method used was to plant Waterhyacinth in aeration pond number 2 of WWTP and then taking samples at four locations and consists of point I (inlet pond aeration 2), point A (before the water hyacinth plant), point B (after the water hyacinth plant), the point C (waste pond outlet monitor). Parameters measured included pH, TSS, COD, NH4, and NO3. The result showed the wastewater treatment system using water hyacinth plant reduced the pollutant load sugar cane industrial wastewater at the rate of  0,000858%/m2 day, 0,010997%/m2 day, 0,008691%/m2 day, 0,005936%/m2 day, and 0,015016%/m2 day, respectively. These conditions indicate planting hyacinth was effective in lowering the level of industrial wastewater pollutant load of sugar cane. Keywords: algae bloom, sugarcane industry wastewater, waterhyacinth
Prioritas Penentuan Peningkatan Kualitas Lingkungan Permukiman Kumuh yang Berkelanjutan Mutaqin, Zenal; Persada, Citra; Suroso, Erdi
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 16, No 2 (2019): Juli 2019
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (429.414 KB) | DOI: 10.14710/presipitasi.v16i2.65-75

Abstract

The enhancement of environmental quality for urban settlement in Palembang is expected to be sustainable due to the increase number of slum areas and the limited funding allocation for the infrastructure establishment. This study aimed to determine priority scale of activities and locations according to three pillars of sustainable development which can alleviate slum areas i.e. physical environment, social and economic aspects by involving all stakeholders. This research will provide information for the local government to determine priority activities and locations for settlement improvement by using Analytical Hierarchy Process (AHP). The study revealed that the main factor to improve the environmental quality for settlement in 29 Ilir sub-district was the infrastructure development with urgency level reaching 46.7%. Meanwhile, the urgency level of social activity factor was approximately 31.2% followed by the economic development factor which was the lowest level by 22.1%. However, the highest priority level from those activity factors was household waste management by 100%, while other priority activities that should be done consecutively were waste infrastructure (93.5%), community service activities (83,6%), environmental drainage (66.2%), sanitation (66.1%), business capital loans (63%), training and entrepreneurship (61%), and compensation for the poor (57,9 %). The aforementioned activities were conducted in priority locations in which environmental quality was relatively poor.
PENINGKATAN PENGETAHUAN DAN PERSEPSI MASYARAKAT TERHADAP POTENSI PANAS BUMI DI KECAMATAN WAY TENONG LAMPUNG BARAT Suroso, Erdi; yanfika, Helvi; Martin, Yul; Mutolib, Abdul; Listiana, Indah; Alimudin, Alimudin
JMM (Jurnal Masyarakat Mandiri) Vol 4, No 2 (2020): JUNI
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (369.35 KB) | DOI: 10.31764/jmm.v4i2.1877

Abstract

Abstrak: Kegiatan pengabdian ini bertujuan untuk meningkatkan pengetahuan dan persepsi masyarakat terhadap potensi panas bumi.  Metode  yang digunakan adalah metode ceramah dan diskusi dan kemudian dilakukan post-test untuk mengetahui pemahaman perserta. Sasaran pada kegiatan pengabdian ini adalah aparatur pekon (desa), tokoh masyarakat, dan pihak yang terdampak terhadap rencana kegiatan pengembangan panas bumi di Kecamatan Way Tenong dan Kecamatan Bandar Negeri Suoh.  Jumlah peserta yang hadir dalam kegiatan sosialisasi sebanyak 18 peserta. Hasil pengabdian memberikan gambaran bahwa kegiatan penyuluhan yang diberikan telah meningkatkan pengetahuan dan masyarakat terkait potensi panas bumi, terlihat dari adanya peningkatan dari pre-test dan post-test yang diperoleh dari 49,53 menjadi 86,59. Penyuluhan berdampak pada persepsi masyarakat menjadi lebih baik terhadap potensi pengembangan potensi panas bumi. Masyarakat berharap dilibatkan dalam proses pengembangan panas bumi. Selain itu, masyarakat meminta diberi waktu dan ganti rugi apabila lahan (tanah) yang dikuasai harus ditinggalkan untuk kepentingan pengembangan panas bumi.Abstract: This devotion activity aims to increase the community's knowledge and perception of geothermal potential.  The methods used are lecture and discussion methods and then post-test to know the understanding of the Perserta. The objectives of this dedication are apparatus of Pekon (village), community leaders, and the parties affected by the development of geothermal activities in Way Tenong Sub-district and Bandar Negeri Suoh subdistrict.  Number of participants present in the socialization activities as many as 18 participants. The results of devotion give the idea that the extension activities provided has improved knowledge and community related to geothermal potential, seen from the improvement of pre-test and post-test obtained from 49.53 to 86.59. Counseling affects people's perception for a better potential to develop geothermal potential. The community hopes to be involved in the geothermal development process. In addition, the community requested a time and indemnity when the Land (land) to be ruled must be abandoned for the benefit of geothermal development.
Analisis Potensi dan Kelayakan Finansial pada Agroindustri Biogas Menggunakan Covered Lagoon Anaerobic Reactor Termodifikasi Sri Hidayati; Tanto Pratondo Utomo; Erdi Suroso; Zana Azalia Maktub
Industria: Jurnal Teknologi dan Manajemen Agroindustri Vol 8, No 3 (2019)
Publisher : Department of Agro-industrial Technology, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (823.28 KB) | DOI: 10.21776/ub.industria.2019.008.03.6

Abstract

Abstrak PT Juang Jaya Abdi Alam (JJAA) Kabupaten Lampung Selatan adalah perusahaan peternakan sapi yang menghasilkan limbah kotoran sapi yang cukup besar (sekitar 198.000 kg per hari). Limbah kotoran sapi berpotensi untuk menghasilkan biogas yang memiliki nilai ekonomi. Salah satu reaktor biogas yang cocok digunakan di daerah tropis adalah Covered Lagoon Anaerobic Reactor (CoLAR). Model ini hanya berupa kolam yang diberi penutup kedap gas yang diberi pipa dan pompa. Penelitian dilakukan untuk menganalisis potensi dan kelayakan finansial agroindustri biogas limbah kotoran sapi di PT Juang Jaya Abdi Alam (JJAA) Kabupaten Lampung Selatan. Penelitian menggunakan metode telaah pustaka, pengamatan, analisis kuantitatif, dan diskusi dengan para pakar yang terkait agroindustri biogas limbah kotoran sapi. Hasil analisis menunjukkan bahwa PT JJAA memiliki potensi yang tinggi yaitu dari 9000 sapi mampu menghasilkan energi listrik untuk 203 pelanggan dengan daya listrik terpasang 1300 VA. Berdasarkan studi kelayakan secara finansial, agroindustri biogas layak dijalankan karena memenuhi kriteria kelayakan usaha, yaitu: Net Present Value (NPV) sebesar Rp77.353.897.714,- ; Internal Rate of Return (IRR) sebesar 42,52 %, nilai Net Benefit/Cost Ratio (Net B/C) sebesar 4,51 dan Payback Period selama 2,22 tahun. Hasil analisis sensitivitas menunjukkan bahwa kenaikan harga input sampai 23% menyebabkan proyek menjadi tidak layak.Kata kunci: agroindustri, biogas, studi kelayakan AbstractPT Juang Jaya Abdi Alam (JJAA) at South Lampung Regency, is a cattle-breeding company that produces a large amount of cow manure (around 198,000 kg per day). Cow manure has the potential to produce biogas that has economic value. Covered Lagoon Anaerobic Reactor (CoLAR) is a biogas reactor that suitable for tropics climate. This model is quite simple; only a pond that is given a gas-tight cover, pipe, and pump. The study was conducted to analyze the potential and the financial feasibility of cow manure waste-based biogas agroindustry in PT JJAA. The study methods used are literature studies, observations, surveys, and interviews with experts correlated to the development of biogas agroindustry for cow manure. The results of the analysis show that PT JJAA has a high potential of 9000 cows capable of producing electrical energy for 203 customers with installed electric power of 1300 VA. Based on a financial feasibility study, biogas agroindustry is feasible to run because it meets the business feasibility criteria, namely: NPV of Rp. 77,353,897,714; IRR of 42.52%, Net B/C ratio value of 4.51 and payback period of 2.22 years. The results of the sensitivity analysis show that an increase in input prices of up to 23% has caused the project to be unfeasible.Keywords: agroindustry, biogas, feasibility study
Pengasapan Ikan Kembung menggunakan Asap Cair dari Kayu Karet Hasil Redestilasi Erdi Suroso; Tanto Pratondo Utomo; Sri Hidayati; Astri Nuraini
Jurnal Pengolahan Hasil Perikanan Indonesia Vol 21 No 1 (2018): Jurnal Pengolahan Hasil Perikanan Indonesia 21(1)
Publisher : Department of Aquatic Product Technology IPB University in collaboration with Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (228.005 KB) | DOI: 10.17844/jphpi.v21i1.21261

Abstract

Asap cair dari kayu karet dapat digunakan sebagai bahan pengawet ikan kembung (Rastrelliger kanagurta) karena mengandung senyawa fenol dan asam organik yang bersifat sebagai senyawa anti bakteri dan antioksidan. Penelitian ini bertujuan untuk menentukan konsentrasi asap cair kayu karet redestilasi dan lama perendaman ikan terbaik pada pengasapan ikan kembung. Penelitian menggunakan rancangan acak kelompok faktorial (RAK Faktorial) dengan perlakuan konesntrasi asap cair (10, 15 dan 20%) dan lama perendaman (10, 15 dan 20 menit). Analisis yang dilakukan meliputi angka lempeng total, kadar air dan organoleptik. Hasil terbaik yaitu menggunakan konsentrasi asap cair kayu karet redestilasi 10% dan lama perendaman ikan selama 15 menit dengan nilai angka lempeng total 4,4×103 CFU/g pada hari ke-0 dan 4,7×104 CFU/g pada hari ke-6, kadar air di bawah 60% selama penyimpanan, dan sifat organoleptik berupa skor aroma 4,48 (netral)dan skor penerimaan keseluruhan 4,51 (netral).
Analisis Nilai Tambah Agroindustri Barang Jadi Karet di Propinsi Lampung Sri Hidayati; Erdi Suroso; Teguh Setiawan; Joshua Septiyan; Agus Kurniawan
Teknotan: Jurnal Industri Teknologi Pertanian Vol 14, No 1 (2020): TEKNOTAN, Agustus 2020
Publisher : Fakultas Teknologi Industri Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jt.vol14n1.1

Abstract

Lampung merupakan salah satu sentra perkebunan karet yang belum banyak memiliki pabrik pengolahan barang jadi karet. Harga karet yang cenderung menurun menyebabkan penurunan pendapatan petani karet. Upaya untuk mendapatkan added value karet adalah dengan mengolah karet menjadi produk barang jadi karet. Beberapa jenis agroindustri barang jadi karet yang tidak memerlukan teknologi yang tinggi seperti kasur busa, sarung tangan, selang kateter, dan dot dapat diaplikasikan di Lampung. Penelitian bertujuan untuk menentukan jenis industri barang jadi karet yang potensial di Provinsi Lampung dan lokasi yang cocok untuk pendirian agroindustri barang jadi karet. Penelitian dilakukan dengan menggunakan metode survei dan wawancara secara mendalam kepada pakar karet dan industri serta data sekunder dari literatur, artikel, jurnal dan data statistik. Pemilihan produk potensial dan lokasi usaha dilakukan dengan menggunakan metode Bayes dan menghitung nilai tambah dari produk terpilih dengan menggunakan metode Hayami. Berdasarkan hasil perhitungan dengan menggunakan metode Bayes maka pemilihan komoditas unggulan untuk di Provinsi Lampung adalah kasur busa dengan nilai Metode Bayes sebesar 4,048 dan lokasi terpilih adalah kabupaten Lampung Utara dengan nilai 3,875. Berdasarkan metode Hayami maka nilai tambah yang dihasilkan jika lateks pekat diolah menjadi kasur busa adalah Rp. 8549,56/kg lateks pekat dengan nilai rasio nilai tambah adalah sebesar 18,45%.
SINERGITAS PENGGIATAN EKONOMI KERAJINAN BATIK LAMPUNG, EKSPLORASI BUDAYA DAN EDUKASI KONSERVASI: ANDANAN BATIK TULIS, NEGERI SAKTI, PESAWARAN, LAMPUNG Elly Lestari Rusitati; Erdi Suroso; Warsono Warsono; Junaidi Junaidi; Favorisen Rosyking Lumbanraja; Priyambodo Priyambodo
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol 3 No 2 (2019)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jss.v3i2.146

Abstract

Batik Lampung merupakan salah budaya yang khas dengan motifnya dan menjadi salah satu kegiatan ekonomi yang kuat di Provinsi Lampung, termasuk kerajinan Andanan Batik Tulis, yang mencirikan keunikan budaya Lampung. Saat ini selain sebagai kegiatan kebutuhan ekonomi, kerajinan Andanan Batik Tulis sekaligus menjadi media edukasi budaya dan konservasi melalui pengkayaan motif berbasis budaya Lampung, konservasi dan penyediaan media belajar membatik. Penerapan edukasi budaya dan konservasi dilakukan melalui paket eduwisata yang disediakan bagi wisatawan baik lokal maupun asing. Program eduwisata ini mendapat tanggapan positif. Kata Kunci: Andanan Batik Tulis, eduwisata, budaya, konservasi, Lampung
PERBAIKAN KUALITAS AIR LIMBAH DOMESTIK DENGAN FITOREMEDIASI MENGGUNAKAN KOMBINASI BEBERAPA GULMA AIR: STUDI KASUS KOLAM RETENSI TALANG AMAN KOTA PALEMBANG Imron Imron; Dermiyati Dermiyati; Nanik Sriyani; Slamet Budi Yuwono; Erdi Suroso
Jurnal Ilmu Lingkungan Vol 17, No 1 (2019): April 2019
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (465.064 KB) | DOI: 10.14710/jil.17.1.51-60

Abstract

Limbah domestik (greywater) sebagian besar dibuang langsung dalam badan air tanpa adanya pengolahan karena biaya yang mahal, penerapan yang sulit dan teknologi yang belum terjangkau masyarakat, sehingga dapat mencemari lingkungan. Pengolahan air limbah domestik yang efisien, murah, mudah dan ramah lingkungan harus dikembangkan. Fitoremediasi merupakan salah satu pengolahan air limbah dengan menggunakan agen biologi gulma air. Penelitian ini bertujuan untuk mengetahui efektifitas fitoremediasi menggunakan kombinasi beberapa jenis gulma air Eceng gondok (Eichhornia crassipes (Mart)), Kiambang (Salvinia molesta) dan Kayu apu (Pistia Stratiotes L.) dalam memperbaiki kualitas air limbah domestik. Rancangan percobaan yang digunakan perlakuan faktorial 8 x 2 dalam Rancangan Acak Kelompok dengan 3 ulangan. Faktor pertama adalah jenis gulma dengan 8 level yaitu tunggal, kombinasi 2 gulma dan kombinasi 3 gulma Faktor kedua adalah waktu pengamatan dengan 2 level yaitu 4 hari dan 8 hari. Parameter yang diukur adalah pH, COD, BOD, TSS, amonia dan minyak lemak. Hasil penelitian menunjukkan bahwa gulma Eceng gondok, Kiambang, Kayu apu perlakuan tunggal, kombinasi 2 jenis gulma dan kombinasi 3 jenis gulma sangat efektif dan sama baiknya dalam menaikan pH dan menurunkan COD, BOD, TSS, amonia dan minyak lemak air limbah domestik pada hari ke-4 maupun hari ke-8 sampai memenuhi baku mutu yang disyaratkan oleh kementrian Lingkungan Hidup dan Kehutanan No. 68 Tahun 2016.
EVALUASI EFEKTIVITAS PROSES PRODUKSI KARET REMAH DAN RIBBED SMOKED SHEET BERDASARKAN NILAI OVERALL EQUIPMENT EFFECTIVENESS (OEE) Tanto Pratondo Utomo; Erdi Suroso; Harun Al Rasyid; Muhamad Pandutyas; Adven Bangun Sihite
JURNAL AGROTEKNOLOGI Vol 10 No 02 (2016)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (280.106 KB) | DOI: 10.19184/j-agt.v10i02.5049

Abstract

Performance and productivity of natural rubber agroindustry could be determined by its overall equipment effectiveness (OEE) value because OEE is the best way to monitor the production efficiency which consisted of availability ratio (AR), performance efficiency (PE), and quality rate (QR). . By using the OEE, the Standard Indonesia Rubber (SIR) and Ribbed Smoked Sheet (RSS) Factory find the sources of its productivity loss. The aim of this research were to determine the OEE of RSS Rubber Factory and its source of productivity loss. This research was conducted in one SIR 3 and one RSS Factory in Lampung Province. The research was conducted by field survey. The primary and secondary data collected was analyzed descriptively and were presented in tables and diagrams. The result showed that the average OEE of SIR Factory was 71.68 percent which was consisted of 89.58 percent of AR, 80.29 percent of PE, and 99.81 percent of QR; meanwhile OEE RSS Factory was of 46.47 percent that consisted of 95.92 percent of availability ratio, 48.42 percent of performance effciency, and 99.97 percent of quality product . The performance efficiency was the lowest among three components of RSS Rubber Factory OEE. This low value of performance efficiency showed that the speed of the production process is far from predetermined or designed production speed rate. Keywords: OEE, rubber factory, SIR 3, RSS
Co-Authors Abdul Mutolib Adven Bangun Sihite Agus Kurniawan Agus Kurniawan Alimuddin Alimuddin Alimudin Alimudin, Alimudin Astri Nuraini Budi Dermawan Dermiyati Dermiyati Dewi Sartika Dharma Agista pratama Dinda Nur Annisa Ritonga Elly Lestari Rusitati Esa Ghanim Fadhallah Favorisen R. Lumbanraja Fibra Nurainy Firdaus Firdaus Garli Marsantia Harun Al Rasyid Harun Al Rasyid Harun Al Rasyid Helvi Yanfika I Gusti Bagus Wiksuana Imron Imron Indah Listiana Joshua Septiyan Junaidi Junaidi Laila Julianti Luh Putu Ratna Sundari Muhamad Pandutyas Mutaqin, Zenal Nanik Sriyani Persada, Citra Pramita Sari Anungputri Priyambodo Priyambodo Ribut Sugiharto Samsul Bakri Siluh Made Yuliastini Slamet Budi Yuwono Sri Hidayati Sri Hidayati Sri Hidayati Suripto Dwi Yuwono Tanto Pratondo Utomo Udin Hasanudin Vevi Oktavia Warsono Warsono Wisnu Satyajaya Wisnu Satyajaya Yul Martin Zana Azalia Maktub