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All Journal Reaktor International Journal of Science and Engineering (IJSE) International Journal of Renewable Energy Development Jurnal Ilmu Lingkungan JURNAL TEKNOLOGI KIMIA DAN INDUSTRI BERKALA SAINSTEK Waste Technology Bulletin of Chemical Reaction Engineering & Catalysis Widyariset JURNAL KESEHATAN LINGKUNGAN: Jurnal dan Aplikasi Teknik Kesehatan Lingkungan Historika ENGLISH EDUCATION: JOURNAL OF ENGLISH TEACHING AND RESEARCH ASEAN Journal of Chemical Engineering Widyariset Jurnal Pengabdian Vokasi Surya Teknika: Jurnal Ilmiah Teknik Mesin Prosiding Konferensi Nasional Penelitian Matematika dan Pembelajarannya Bulletin of Chemical Reaction Engineering & Catalysis

B Budiyono

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Author-ID : 244597

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Observation of temperature and pH during biogas production from water hyacinth and cow manure Nurfitri Astuti; Tri Retnaningsih Soeprobowati; B Budiyono
Waste Technology Vol 1, No 1 (2013)
Publisher : Diponegoro University

Biogas is generated from biological process of organic material by bacterial engaged. Biogas can be derived from manure, municipal waste, agricultural waste and other biomass resources. In addition to the use of cow manure as raw material for biogas production, it can also be derived from biomass containing cellulose which one is water hyacinth as an organic material that contains quite large cellulose. The abundance of water hyacinth found in Rawapening causing several negative impacts. The purpose of this study is to observe temperature and pH on the biogas production generated from water hyacinth of Rawapening and cow manure. Biogas production process begins by chopping the leaves and stems of water hyacinth, and then mixed with cow manure and water. The results of substrate variation of water hyacinth, cow manure and water reaches optimally at 40:80:480 respectively, which produce the highest point of biogas amounted 176.33 ml on the day 20 in 1L sized digester, the temperature of the biogas production is at 32°C. At the initial fermentation, digester temperature of 30°C has increased over the course of the fermentation process, a peak at day 20 and then decreased to 27°C at the end of fermentation. There is a decrease in pH starting from initial fermentation at pH 6-7 and then the pH began to decline until the end of fermentation as amount of pH 5.Doi: http://dx.doi.org/10.12777/wastech.1.1.22-25Citation: Nurfitri Astuti, N., Tri Retnaningsih Soeprobowati, T.R., and Budiyono. 2013. Observation of temperature and pH during biogas production from water hyacinth and cow manure. Waste Technology 1(1):1-5. Doi: http://dx.doi.org/10.12777/wastech.1.1.22-25

THE EFFECT OF F/M RATIO TO THE ANAEROBIC DECOMPOSITION OF BIOGAS PRODUCTION FROM FISH OFFAL WASTE Agus Hadiyarto; Budiyono Budiyono; Seno Djohari; Indra Hutama; Wahid Hasyim
Waste Technology Vol 3, No 2 (2015)
Publisher : Diponegoro University

Biogas is a gas produced from the anaerobic decomposition of organic compounds. In the production of biogas from anaerobic digestion, value of F/M ratio shows a ratio between the mass of food available in the waste substrate with a mass of microorganisms that act as decomposers. F/M ratio is too small causing microbes could not metabolize perfectly and vice versa on the value of the ratio F / M overload resulting metabolic imbalance. The purpose of this study was to assess the effect of F/M ratio to optimal production of biogas from fish offal waste. The process of anaerobic digestion is conducted in the biodigester with four-liter volume and batch system operated at ambient temperature for 38 days. As a raw material, fish offal and microbial sludge obtained from the curing of fish and river mud discharges in the region of Bandarharjo, Semarang, Central Java. F/M ratio is set at 0.2, 0.4, and 0.6 are derived from sewage sludge VSS weight ratio of fish offal with sludge containing microbes. The addition of micronutrients supplied with a concentration of 0.4 mg/liter. Yield maximum methane gas obtained was 164,7 l/kg CODMn when the ratio F/M was 0.2. Based on the results of the study, found that the ratio F/M affect the amount of biogas produced. Meanwhile, the retention time (HRT) is only influenced by the ratio F/M.

How To Submit Article to Online Journal System (OJS) Budiyono Budiyono
Waste Technology ARTICLE IN PRESS
Publisher : Diponegoro University

How To Submit Article to Online Journal System (OJS)

Studies of thermal annealing and dope composition on the enhancement of separation performance cellulose acetate membrane for brackish water treatment from Jepara Tutuk Djoko Kusworo; Budiyono Budiyono; U. N. A. Rochyani; E. Sofiana
Waste Technology Vol 2, No 2 (2014)
Publisher : Diponegoro University

Membrane is an alternative technology of water treatment with filtration principle that is being widely developed and used for water treatment. The main objective of this study was to make an asymmetric membrane using cellulose acetate polymer and study the effect of additive and annealing treatment on the morphology structure and performance of cellulose acetate membranes in brackish water treatment. Asymmetric membranes for brackish water treatment were casted using a casting machine process from dope solutions containing cellulose acetates and acetone as a solvent. Membranes was prepared by phase inversion method with variation of polyethylene glycol (PEG) concentration of 1 and 5 wt% and with thermal annealing at 60 oC in 10 seconds and without thermal annealing behavior. Membrane characterization consists of calculation of membrane flux and rejection with brackish water as a feed from Jepara. The research concluded that asymmetric cellulose acetate membrane can be made by dry/wet phase inversion method. The more added concentration of PEG will be resulted the larger pore of membrane. Meanwhile the higher temperature and the longer time of annealing treatment, the skin layer of membrane become denser. Membrane with the composition of 18 wt% cellulose acetate, 5 wt% PEG, 1 wt% distilled water, with heat treatment at temperature of 60 oC for 10 seconds is obtained optimal performance.

Enhanced biogas separation performance of nanocomposite polyethersulfone membranes using carbon nanotubes Tutuk Djoko Kusworo; Budiyono Budiyono
Waste Technology Vol 1, No 2 (2013)
Publisher : Diponegoro University

This study is performed primarily to investigate the effect of chemical modification on carbon nanotubes surface towards biogas purification performance of mixed matrix membrane. In this study, polyethersulfone (PES)-carbon nanotubes mixed matrix hollow fiber membrane for modified and unmodified carbon nanotubese were spun using dry/wet spinning technique. The modified carbon nanotubes were prepared by treating the carbon nanotubes with acid treatment to allow PES chains to be attached on carbon nanotubes surface. The results from the FESEM, DSC and FTIR analysis confirmed that chemical modification on carbon nanotubes surface had taken place. Meanwhile, the nanogaps in the interface of polymer and carbon nanotubes were appeared in the PES mixed matrix membrane with unmodified of carbon nanotubes. The modified carbon nanotubes mixed matrix membrane increases the mechanical properties, the productivity and purity of biogas compare to neat PES and unmodified carbon nanotubes mixed matrix membrane. For PES-modified carbon nanotubes mixed matrix membrane the maximum selectivity achieved for CO2/CH4 is 32.59.

Biogas production from bioethanol waste: the effect of pH and urea addition to biogas production rate Budiyono Budiyono; Iqbal Syaichurrozi; Siswo Sumardiono
Waste Technology Vol 1, No 1 (2013)
Publisher : Diponegoro University

Anaerobic treatment is a good choice to treat bioethanol waste due to the high concentration of COD content for producing biogas as renewable energy. The purposes of this study were to study the effect of addition nitrogen source and pH control to biogas production. The laboratory scale-anaerobic digestions used in this experiment were operated in batch system and at room temperature. In determination of optimum pH, bioethanol waste and rumen fluid fed into digesters with initial pH 6.0; 7.0 and 8.0. Influent COD : N ratio (in form of urea) used in this study was 700:7 in compare to control. The results showed that initial pH 7.0 produced the most biogas with total biogas 3.81 mL/g COD. While initial pH 6 and pH 8 had total biogas 3.25 mL/g COD and 3.49 mL/g COD respectively. At urea addition, biogas formed had 52.47% greater than that of at without urea addition (control variable). Controlled pH caused biogas was produced until 90-day investigation and might continue to be produced. Total biogas of control variable (without urea addition) and variable with ratio COD:N=700:7 influent were 11.07 mL/g COD and 11.41 mL/g COD respectively.Doi: http://dx.doi.org/10.12777/wastech.1.1.1-5Citation: Budiyono, Syaichurrozi, I. and Sumardiono, S. 2013. Biogas production from bioethanol waste: the effect of pH andurea addition to biogas production rate. Waste Technology 1(1):1-5. Doi: http://dx.doi.org/10.12777/wastech.1.1.1-5

The effect of pH and operation mode for COD removal of slaughterhouse wastewater with Anaerobic Batch Reactor (ABR) Maria Octoviane Dyan; Gita Permana Putra; Budiyono Budiyono; Siswo Sumardiono; Tutuk Djoko Kusworo
Waste Technology Vol 3, No 1 (2015)
Publisher : Diponegoro University

Disposal of industrial wastes in large quantities was not in accordance with today's standards of waste into environmental issues that must be overcome with proper treatment. Similarly, the abattoir wastewater that contains too high organic compounds and suspended solids. The amount of liquid waste disposal Slaughterhouse (SW) with high volume also causes pollution. The research aim to resolve this problem by lowering the levels of BOD-COD to comply with effluent quality standard. Anaerobic process is the right process for slaughterhouse wastewater treatment because of high content of organic compounds that can be utilized by anaerobic bacteria as a growth medium. Some research has been conducted among abattoir wastewater treatment using anaerobic reactors such as ABR, UASB and ASBR. Our research focuses on the search for the optimum results decline effluent COD levels to match the quality standards limbah and cow rumen fluid with biodigester ABR (Anaerobic Batch Reactor). The variables used were PH of 6, 7, and 8, as well as the concentration ratio of COD: N is 400:7; 450:7, and 500:7. COD value is set by the addition of N derived from urea [CO(NH2) 2]. COD levels will be measured daily by water displacement technique. The research’s result for 20 days seen that optimum PH for biogas production was PH 7,719 ml. The optimum PH for COD removal is PH 6, 72.39 %. The operation mode COD:N for biogas production and COD removal is 500:7, with the production value is 601 ml and COD removal value is 63.85 %. The research’s conclusion, the PH optimum for biogas production was PH 7, then the optimum PH for COD removal is PH 6. The optimum operation mode COD:N for biogas production and COD removal was 500:7

Enhanced biogas production from rice straw with various pretreatment : a review Fahriya Puspita Sari; Budiyono Budiyono
Waste Technology Vol 2, No 1 (2014)
Publisher : Diponegoro University

Rice straw is one of organic material that can be used for sustainable production of bioenergy and biofuels such as biogas (about 50-75% CH4 and 25-50% CO2). Out of all bioconversion technologies for biogas production, anaerobic digestion (AD) is a most cost-effective bioconversion technology that has been implemented worldwide for commercial production of electricity, heat, and compressed natural gas (CNG) from organic materials. However, the utilization of rice straw for biogas production via anaerobic digestion has not been widely adopted because the complicated structure of the plant cell wall makes it resistant to microbial attack. Pretreatment of recalcitrant rice straw is essential to achieve high biogas yield in the AD process. A number of different pretreatment techniques involving using physical pretreatment (hydrothermal and freeze), chemical pretreatment (sodium carbonate – sodium sulfite, hydrogen peroxide, NMMO, alkaline, and dilute acid) and biological pretreatment (fungal pretreatment) also combined pretretment (microwave irradiation and chemical) approaches have been investigated, but there is no report that systematically compares the performance of these pretreatment methods for application on rice straw for biogas production. This paper reviews the methods that have been studied for pretreatment of rice straw for delignification, reducing sugar, and conversion to biogas. It describes the AD process, structural and compositional properties of rice straw, and various pretreatment techniques, including the pretreatment process, parameters, performance, and advantages vs. drawbacks.

Co-Authors . Widayat A A Susanto Agus Purwanto Ahmad Fauzi Ismail Ahmad Fauzi Ismail Ahmad Fauzi Ismail Ahmad Fauzi Ismail Ahmad Mustafa Anggun Puspitarini Siswanto Azeman Mustafa Basukiyatno, B. Beni Habibi Dani Puji Utomo Danny Soetrisnanto Dedy Anwar Saleh Pohan Dewi Artanti Putri E. Sofiana Edy Supriyo Edy Sutrisno Eva Sofiana Fachry Abda El Rahman Fahmi Arifan Fahriya Puspita Sari Feriansah, Arif Gita Khaerunnisa Gita Permana Putra Hastuti, Tri Puji Heny Kusumayanti Heny Kusumayanti Hermanu Joebagio Hermawan Dwi Ariyanto Heru Susanto Humaira Rofidah Zahra I Nyoman Widiasa Ida Hayu Dwimawanti Ifana Ifana Ika Rahmawati Iman Setiono Indra Hutama Indra Setyawan Indro Sumantri Iqbal Syaichurrozi Isnandar Slamet, Isnandar K Kosim Luqman Buchori Maria Octoviane Dyan MIFTAH FARHANA Mohamad Endy Y Yulianto Nikie Astorina Yunita Dewanti Nurfitri Astuti Nurjazuli Nurjazuli P Purwanto Pangi Pangi Pradana, Dwi Aji Purwanto Purwanto R.T.D Wisnu Broto Rima Evalia Yusmita Rizka Amalia Roy R Saputro S Sugiyanto S Sutjitro Seno Djohari Seno Johari Seno Johari Seno Johari Seno Johari Seno Johari Siswo Sumardiono Sunarso . Syafrudin Syafrudin T.D. Kusworo Tri Retnaningsih Soeprobowati Tutuk Djoko Kusworo U. N. A. Rochyani Ulfah Nurul Aulia Rochyani Vita Paramita Wahid Hasyim Wahyu Bambang Widayatno Wibowo, Taufik Usman Zulfaidah Aryani

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