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All Journal Reaktor International Journal of Science and Engineering (IJSE) International Journal of Renewable Energy Development METANA JURNAL TEKNOLOGI KIMIA DAN INDUSTRI Waste Technology World Chemical Engineering Journal Indonesian Journal of Biotechnology Jurnal Aplikasi Teknologi Pangan Indonesian Journal of Chemistry ASEAN Journal of Chemical Engineering Journal of Vocational Studies on Applied Research

Siswo Sumardiono

Department Of Chemical Engineering, Diponegoro University, Jl. Prof. Soedarto SH, Tembalang, Semarang 50275, Central Java, Indonesia

Author-ID : 391954

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Energy Engineering Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Other

Published : 29 Documents Claim Missing Document

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The Effect of Solid-State Anaerobic Disgestion (Ss-Ad) and Liquid Anaerobic Disgestion (L-Ad) Method in Biogas Production of Rice Husk Budiyono, Budiyono; Sumardiono, Siswo; Fofana, Fadillah Fathir Mahmud; Fauzi, Ihwan; Hadiyarto, Agus
Journal of Vocational Studies on Applied Research Volume 1, Issue 1, Year 2019 (April 2019)
Publisher : Vocational College of Universitas Diponegoro

Rice husk is one of the agricultural waste from rice crop residue which has high potential to be processed into biogas. The purpose of this research is to study the effect of solid state anaerobic digestion and liquid anaerobic digestion on biogas production from rice husk waste. The anaerobic digestion laboratory scale used in this experiment is operated in a batch system and at room temperature. This method is added with chemical and biological pretreatment that was NaOH and microbial consortium. Total solid (TS) was varied from 5%, 7%, 9%, 11% which is L-AD and 17%, 19%, 21%, 23% are SS-AD. Biogas results were measured using the water displacement method every two days to determine daily production. The results showed that with the addition of NaOH the total volume of biogas obtained by L-AD method (TS 9%) and SS-AD (TS 23%) were 1254 ml and 1397 ml. Production of biogas per unit of TS for L-AD method is 46,44 ml / grTS and for SS-AD is 20,246 ml / grts, while biogas production per reactor volume unit for L-AD method is 6,26 ml / ml reactor and for SS-AD method is 4.64 ml / ml reactor. The kinetics constant of biogas production with L-AD method obtained A, U, and λ respectively were 50,53 ml / grTS, 1.23ml / grTS.day, 11,71 day, while for SS-AD method obtained A, U , and λ respectively 21.07 ml / grTS, 0.6 ml / grTS.day, 6.2 days.

Optimisation of Tapioca Oxidative Reaction by Ozone Treatment: Effect of pH, Process Time and Temperature Sumardiono, Siswo; Pudjihastuti, Isti; Supriyo, Edy; Siswanto, Anggun Puspitarini
Journal of Vocational Studies on Applied Research Volume 2, Issue 1, Year 2020 (April 2020)
Publisher : Vocational College of Universitas Diponegoro

Modification of cassava starch was produced by oxidation using ozone treatment. The oxidized starch is used in the paper processing in the pulp and paper industries. The aim of this research was to determine the effect of reaction conditions (pH and temperature) in produced oxidized starch. The oxidative reaction of cassava starch was using ozone as an oxidator while the operating condition was at temperatures of 30, 35, 40 and 45 oC in atmospheric pressure. The fixed variables were weight of cassava starch 80 grams, and volume of aquadest 200 ml. The change variables are reaction time (15, 30, 45 and 60 minutes) and pH solution (6, 7, 8 and 9). The product of oxidized starch was analyzed for carboxyl group according to JEFA method, swelling power according to Leach method and solubility according to Kainuma method. The result of this research shows with an increasing of pH reaction and reaction time, the carboxyl group and solubility increased, but swelling power decreased. The best condition was obtained at the pH of 9 with 60 minutes of reaction time.

Physico-Chemical Properties of Calcium-Fortified Analog Rice from Composite Flour (Cassava, Corn, and Snakehead Fish) for Osteoporosis Prevention Sumardiono, Siswo; Pudjihastuti, Isti; Supriyo, Edy; Amalia, Rizka
Journal of Vocational Studies on Applied Research Volume 2, Issue 2, Year 2020 (October 2020)
Publisher : Vocational College of Universitas Diponegoro

In this study, composite flour made from cassava and corn flour were processed for producing analog rice. To meet the calcium needs for the elderly andto optimize the potential of cassava, corn, and snakehead fish, the analog rice will be fortified with calcium from cork fish. The aim of this work are to study the effect of composite flour composition and the extruxtion temperature on the physico-chemical properties of calcium-fortified analog rice. The parameter process studied were mocaf flour:snakehead fish flour (MF/SFF) mass ratio (100:0; 97:3; 94 6; 91:9; and 88:12) and extrusion temperature ranging from 50oC, 70oC, and 90oC. The physico-chemical properties including bulk density, cooking time, proximate, calcium levels and its organoleptic were analyzed. The results showed that at 91:9 MF/SFF mass ratio and the extrusion temperature at 70oC obtain the best effect on the nutrient content of analog rice which contain 14.34% of water, 0.85% of ash, 71.829% of carbohydrate, 11.236% of protein, 1.12% of fat , 1,113 ppm of calcium, and 2.427% of dietary fibre.

The Effect of Composite Flour Ratio (Cassava, Gembili, Koro Pedang, and Corn) and Extrusion Temperature on Analog Rice Production Sumardiono, Siswo; Novitasari, Arsy; Awaliyah, Fiky Zakiyatul; Meganingtyas, Wahyudita
Journal of Vocational Studies on Applied Research Volume 5, Issue 1, Year 2023 (April 2023)
Publisher : Vocational College of Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jvsar.v5i1.17610

The growing population affects an increasing number of Indonesian people, influencing their rice consumption and encouraging Indonesia to import rice. One of the alternatives is to use raw materials such as potential non-rice tubers. In this study, raw material composite flour was made from cassava (Manihot esculenta), gembili (Dioscorea esculenta), koro pedang (Canavalia ensiformis), and corn (Zea mays), which is the basic ingredient of rice maker analog. This research aimed to examine the influence of the raw material composition on the value of nutrients, the physical-chemical properties of analog rice compared to a rice paddy, and the best temperature of analog rice using organoleptic tests. The process of producing analog rice consists of several stages of research, including the manufacturing of composite flour, the cooking of dough with composite flour, the production of analog rice, and the drying of analog rice. Based on the results, samples of 5 (60% cassava flour, 5% gembili flour, 10% koro pedang, and 25% corn flour) as an analog of rice with the best formulations in various compositions. Based on a proximate analysis of the effect of temperature, a temperature of 75 °C is the optimum temperature for the extrusion process. The results of the physical analysis of the best analog rice in this study have a density of 0.46 g/mL, water absorption of 60.52%, and a cooking time is 46 minutes. The analog rice has the same texture, aroma, and appearance as rice in general, although the rice from the analog composite flour tends to have a savory flavor arising from koro pedang. According to the results of this study, the analog rice could be used as a substitute to lessen dependence on paddy rice.

Co-Authors A Abdullah Abdullah Farhan Agus Hadiyarto Andhika Cahaya Titisan Sukma Annisa Kusumaningrum Annisa Kusumaningrum Aulia Rahman Majid Awaliyah, Fiky Zakiyatul B Budiyono Bakti Jos Bakti Jos Berkah Fajar Budiyono Budiyono Desti Permata Sari Devi Marietta Siregar Edy Supriyo Fahmi Arifan Fauzi, Ihwan Ferry Nanda Ardhianto Fofana, Fadillah Fathir Mahmud Gita Permana Putra Herawati Oktavianty Heri Cahyono Heri Cahyono Heru Susanto I Nyoman Widiasa Iqbal Syaichurrozi Isti Pudjiastuti Isti Pudjihastuti Ivan Aditya Gunawan Listiyana Riska Listiyana Riska Luqman Buchori Maria Octoviane Dyan Mayang Gitta Pawitra Meganingtyas, Wahyudita Muchlis Riki Darmawan Nearya Sondang Novitasari, Arsy Patrick Andreas Purwoko, Agus R.P. Djoko Murwono Rahim Arlanta S Rizka Amalia Rizki B Rakhmawati Setiawan, Fajar Kasih Siswanto, Anggun Puspitarini Sunarso . Titik Istirokhatun Tutuk Djoko Kusworo Y Yufidani

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