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Journal : METANA

POTENSI BIOGAS MELALUI PEMANFAATAN LIMBAH PADAT PADA PETERNAKAN SAPI PERAH BANGKA BOTANICAL GARDEN PANGKALPINANG Widyastuti, Fianda Revina; Purwanto, Purwanto; Hadiyanto, Hadiyanto
METANA Vol 9, No 02 (2013): Desember 2013
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (61.693 KB) | DOI: 10.14710/metana.v9i02.7613

Abstract

Abstract At integrated farming areas Bangka Botanical Garden Pangkalpinang treating some of solid waste mixed with biogas digester will be used as fuel gas stove. Existing conditions in the dairy cattle by using the solid waste with 132 kg / day means at least they still used solid waste of 5 cows, so the biogas produced only 1 m3 / day. This paper is studyng about the energy’s need, economic and environments aspec in solid waste treatment to biogas and also about biogas management to provides the electricity need in the BBG Farm. The study is descriptive. The data have been taken from observation, measurement and interview with the farmer as the informan. Biogas produced can be used as lighting 60-100 watts for 50 hours, the driving source of energy 1 PK for 17 hours, producing 39 kWh electric energy and be able to cook 3 dishes for 40-48 servings. To produce 39.48 kWh / day, it can be used as a source of electrical energy BBG farm that has 35 lights with 25 watts of power which is lit for 12 hours / day. Up for lighting requires 10 kWh / day. For milking machine with 0.55 watts power usage requires 1.1 watts 2 times the rest can be used as a motor to move the water pump, lawn mower and activity classification. The BBG Farm need to increase the efficiency of utilization of biogas digester or biodigester everaging 1 unit abandoned and improve lighting installation connection using biogas. Keywords: biogas,cattle, energy,potential.
KEBERADAAN ANILIN DI SUNGAI CITARUM HULU AKIBAT PENGGUNAAN AZO DYES PADA INDUSTRI TEKSTIL Suhendra, Edward; Purwanto, Purwanto; Kardena, Edwan
METANA Vol 9, No 02 (2013): Desember 2013
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (696.66 KB) | DOI: 10.14710/metana.v9i02.7614

Abstract

Abstract The dyeing and printing processes in textile industry produces wastewater containing residual dyes. The most widely used textile dyes are azo dyes. The textile industry is one of the main industries in West Java province, where one of the textile industry centers is Majalaya textile industry center. Majalaya textile industry center had begun since the 1910s, where in Majalaya subdistrict located the most textile companies which produced textile wastewater. Textile wastewater which contained azo dyes discharged into the Citarum Hulu River directly or after treatment in the Waste Water Treatment Plant (WWTP) owned by the company. One of the product metabolites produced from azo dyes biodegradation by bacteria in anaerobic conditions are various anilines. Several anilines which are persistent, could flow to downstream of Citarum Hulu River. Various anilines, referred to as total anilines, could be analyzed by the colorimetric method using visual spectrophotometer. Total anilines in water samples after biodegradation by anaerobic bacteria was 14.46 mg/l highest. While total aniline in river water samples was 3.58 mg/l highest. And at the downstream of Citarum Hulu River, there was total of aniline 1,825 mg/l highest in the river sediment samples. DO in the river water samples were 4.25 - 7.8 mg/l, while pH of the river water samples were 7.1 - 10.7. The occurence of total aniline in textile wastewater and river water samples in Citarum Hulu River (Majalaya subdistrict) and in river sediments at the downstream of Citarum Hulu indicated biodegradation of azo dyes from textile wastewater by anaerobic bacteria. Key words : Citarum Hulu River, textile wastewater, azo dyes, total aniline
Effect of The Ratio of H-Zeolite Catalyst and Temperature in The Opening Ring Reaction in Bio Lube Base Oil Production from Palm Oil Izzan, Abdillah Iman; Octaviani, Ary; Purwanto, Purwanto
METANA Vol 16, No 1 (2020): Juni 2020
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (389.445 KB) | DOI: 10.14710/metana.v16i1.30363

Abstract

Lubricants are materials that can reduce friction between two components. Lubricants are very important to keep the engine from being damaged quickly. Currently lubricants on the market generally comes from petroleum derivatives with limited availability. Therefore, technology needs to be developed to look for other raw materials as a substitute for petroleum based lubricating oil, namely by utilizing the potential of existing vegetable oils, one of which is palm oil. Biolubricant made from palm oil will be made using the method of transesterification, epoxidation and ring opening reaction. To increase yield and high product quality, a catalyst in the form of H-Zeolite is used. So that this study aims to determine the effect of the ratio of H-Zeolite catalyst to ring opening reactions. The quality of lube base oil could be indicated from density, viscosity index and acid number. Acid number will smaller in presence higher content in 10% weight ratio of H-Zeolite as catalyst and EPOME also higher temperature of ring-opening reaction because the catalyst H-Zeolit will work more effective in temperature 75oC. Other evidence is of density and viscosity index would show good value than smaller amount of H-Zeolit and lower temperature of reaction. Advices for the future research are the purification needs to be done not only physically but also chemically to maximize the results obtained. Preferably on the reaction of opening the epoxides rings used a long chain alcohol compounds that have a high viscosity and boiling point to obtain a better viscosities value
Co-Authors A.A. Ketut Agung Cahyawan W Adiguna Rahmat Nugraha Agus Haryanto Agus Hikmat Agus Kurniawan Agustono, Tridjoko Ahmad Muzaki Aina, Muslimatul Akhriani, Soekma Alfi Satriadi Alissya Swastika NSP, Alissya Amos Amos Andianto, Jonathan Andini, Widea Hening Anif Rizqianti Hariz Anik Kustirini, Anik Anisa, Mutiara Nur Annisa, Juwairiah Anny Miftakhul Hidayah, Anny Miftakhul Apriangga Rachmandinur, Apriangga Aref Vai, Aref Arfianto, Moh Ari Arina Ulfa Mawaddah, Arina Ulfa Arindri Diestya Hernomo Arini Wendy Astuti Aris Ismanto Ariyadi Wijaya As'ad, Ali As'ari, Abdur Rahman Asmara Indahingwati, Asmara Asnani Ratna Ambarrukmi, Asnani Ratna Asvic Helida, Asvic Aziz, Arby Abdul B.M.A.S. Anaconda Bangkara Baskoro Rochaddi Bayu Priyono, Bayu Burasukma, Mona Candra Purnawan Catur Supriyanto Cholis Sa’dijah Dani Febriyanto, Dani Darsowiyono, Supriyadi Dedy Ansari Harahap Denny Nugroho S Denny Nugroho Sugianto Deti Karuniasari Devi Rosmawati Dewi Kusumawardhani, Dewi Dewi, Amalia Dewi, Ayu Nita Diah Hari Kusumawati Diah Rahmawati Dian Adhitya Pratama, Dian Adhitya Dian Kurniati Diana, Meta Diningrum, Aningtyas Dita Amanah Djoko Sudarmono, Djoko Djoko Suhardjanto Djumahir Djumahir Dwiyana Dwiyana, Dwiyana Dyan Yuliana Eddy Madiono Sutanto Edi Pramono EDWAN KARDENA Edward Suhendra Edwin Sandagie Edy Bambang Irawan Eka Riadi Elis Indrayanti Emy Sadjati, Emy Endo Fathias Enny Insusanty Erinne Natalie, Erinne Erlangga, Lucki Erni Cahyani Putri, Erni Cahyani Erry Hidayanto Erwin Sutomo Evi Maria Fajar Purnomo Fauzie, M. Mirza Febribusmadian Febribusmadian Ferdinandus Hendrico Fianda Revina Widyastuti Filda Rahmiati Fimmatur Rizka Ardina, Fimmatur Rizka Firmansyah, Muhammad Andy Fride, Tumount Gagoek Hardiman Gentur Handoyo Gunadi Gunadi Gunawan, Albert Gunawan, Yunus Indra H Hadiyanto H J, Medika Catur H., Muhammad Ikhsanudin Hafist fahmi, Hafist Han Ay Lie Hanna Noen Aunillah Hanna Nurul Husna Harati, Sri Hardjanto - Hariadi Hariadi Haryono Haryono Hasan Basri Henna Rya Sunoko Herlan Martono Heru Subaris Kasjono, Heru Subaris Hery Susanto Hudan Baskoro, Hudan I Ketut Suada I Made Sulandra I Nengah Parta Ichwan Mochammad Buchori, Ichwan Mochammad Ida Kaniawati IDA Susilawati, IDA Iesje Lukistyowati Ika Mustika Sari Ika Santia Ikram, Muhammad Ilham Nurhuda Iman Firmansyah Imanullah, Andika Indah Werdiningsih Indra Budi Prasetyawan Intan, Noor Tiara Habib Aisyah Irvan Ahmad Fikri Izzan, Abdillah Iman Jarot Marwoto Jazaul Ikhsan Julian Saputra Karim, Muchtar Abdul Karlina Karlina Kesuma, Destha A. Ketut Muliartha Khairul Umam Khoirunnisak, Yuslikha Indah Kristiantoro, Edy Lea Kristoko Dwi Hartomo Kunarso Kunarso Kurnianto, Anang Kusbaryanto Kusuma, Andriani Kusworo Adi Larasati, Anissa Yuniar Layly Aslinda Saraswati, Layly Aslinda Lenny Sari, Lenny Lydia Lia Prayitno, Lydia Lia Maimunah Maimunah Majhic Aryono Manalu, Lamhot P Masyithoh, Galuh Mira Yosi Muchtar Sufaat, Muchtar mufrod mufrod Muhamad Aris Widodo Muhammad Irfan Muhammad Muklisin Muhammad Tony Nawawi Muhammad Zainuri Muji Gunarto Mujiono Mujiono Mujiyem Sapti Mujiyono Mujiyono Mulyohadi Ali Munandar, Bayu Murtiyoso, Onang Nawingkapti, Kenya Astari Ni Putu Nita Wijayanti Ningrum, Bambang Nurcahya Ningtyas, Yoga Dwi Windy Kusuma Novisa, Muniroh Nur Aini, Dinda Nur Kusuma Dewi Nuraida, Citra Nursolihah, Siti Octaviani, Ary Onny Setiani Parang Sabdono Patrick Matheus Peddy Darwin Simbolon Pramudita, Arga Pranata, Bangun Budi Prasadana, Afrizal Prayitno, Slamet Prayitno, Slamet Prayogi, Bayu Purwandari, Henny Putra, Bramuditya Adi Putranto, Thomas T. Putri, Hafida Akuwati Radhina Amalia Rahardjo, Thea Herawati Rahmani, Tara Puri Ducha Rahmawati, Dwi Tyas Ratna Budiarti Renaning Wulan Mahardika Rina Rina Rizaldi, Alexander Rizky Bagus Ardianto Rohmadi, Yusup Rosye H.R. Tanjung Rudi Santoso, Rudi Rusyda, Citra Safira, Hasna Sakina Rusma Wardhani Sakti, Bryan Dimas Saleh, Sitti Fithriani Samina Samina Santi, Sintha Soraya Sari, Fitri Nurba Setiya Utari Siddhi Saputro sigid sudaryanto, sigid siregar, sari Sisworo Sri Murwani Subanji Subanji Sulaeha, Teti Sumiati Sumiati Sunarsih Sunarsih Supriyadi Supriyadi Suriani B.R. Surbakti Suriani Br. Surbakti Suryanaji Suryanaji Suryaningrum, Christine Wulandari Susanto, Muhammad Eko Susanto, Muhammad Eko Susiswo Sutarno Sutarno Sutawidjadja, Akbar Sutikno Sutikno Sutomo Kahar Suwiyono, Timbul Catur Syaeful Bakhri Syafei, M. Yani Syahadatina, Rika Syaiful Hamzah Nasution syakir syakir Syarif Hidayat Syarifudin Syarifudin Tamba, Cecilia Anggie O. Tarjoko Tarjoko, Tarjoko Teguh Wahyono Teguh Widiatmoko Thita Haryati, Thita Tjang Daniel Chandra Tonny Adam Theoyana Tri Martini Tri Retnaningsih Soeprobowati Triana Kusumaningtyas, Triana Trias Widorini Trisnawati, Jesita Ulfa, Zerlinda Tharifah Utomo, Kasmidjo Budi Vera Chandra Puspitasari Wahyu Krisna Hidajat, Wahyu Krisna Wahyu Setia Budi Wahyu Wahyu Wardhani, Indira Eka Melia Warsito Atmodjo Warsito Atmojo Wati, Ina Purnama Widianingtyas, Kristin Widjonarko, Bambang Rudianto Widodo S Pranowo Winata, Ade Wiwoho, Mukti Yanuar Tanojo, Tri Adi Yayan Eryk Setiawan Yudhanto, Albertus Djaka Yulieasih, Mutiara Yulita Arni Priastiwi YUNI, YUNI Yusak Maryunianta yusbardini, yusbardini Yuyun Kurnia Sari Zuhud EAM, Zuhud