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All Journal CHEMICA Jurnal Teknik Kimia Livestock and Animal Research
Cahyadi, Muhammad
Universitas Sebelas Maret
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Energy Veterinary

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Tubular Biogas digester berbahan Buis Beton: Desain Konseptual, Potensi dan Analisa Ekonomi Budiman, Anatta Wahyu; Cahyadi, Muhammad; Pramono, Ahmad; Firdaus, Muchammad Yusuf; Azinuddin, Yazid Rizal; Prasetya, Riki Agung; Respati Saputra, Sofian Pradipta
CHEMICA: Jurnal Teknik Kimia Vol 4, No 2 (2017): Desember 2017
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (638.448 KB) | DOI: 10.26555/chemica.v4i2.8442

Abstract

Biogas is becoming a main potential renewable energy resource that provides an environmentally friendly energy easily accessed by people in the rural area. So far, there are three main common concepts of biogas digester as the Fixed Dome biogas digester, the floating dome digester, and the Baloon Plastic digester. With their specific characteristics, the fixed dome and the balloon plastic digester are potential to be applied in Indonesia. In this work, the modification of fixed dome biogas digester concept using cylindrical concrete (buis beton) is introduced. This novel technology promises comparable strength and leaks free characteristics of fixed dome concept, with several benefits such as easier construction and more economical. A conceptual design toward economical aspects is presented in this manuscript.
Komposisi Unsur Hara Kompos yang Dibuat dengan Bantuan Agen Dekomposer Limbah Bioetanol pada Level yang Berbeda Bachtiar, Reza Achmad; Rifki, Muhammad; Nurhayat, Yayang Resty; Wulandari, Sarah; Kutsiadi, Rizki Atikah; Hanifa, Aqni; Cahyadi, Muhammad
Sains Peternakan: Jurnal Penelitian Ilmu Peternakan Vol 16, No 2 (2018): Sains Peternakan
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (883.912 KB) | DOI: 10.20961/sainspet.v16i2.23176

Abstract

The objective of research was to evaluate the effect of different level of decomposers from bioethanol waste as a bioactivator to compost nutrient content. The materials used in this study were feces collected from six 3 to 5 years old of male Fresian Holstein (PFH), and decomposer agents from processed-bioethanol waste. The experimental design used was completely randomized design with four treatments and six replications, i.e. P1: 0.4% of decomposer, P2: 0.5% of decomposer, P3: 0.6% of decomposer, P4: 0.7 of decomposer %. Analysis of nutrient contents of compost was conducted at the the Laboratory of Chemistry and Soil Fertility, Department of Soil Science, Faculty of Agriculture, Gajah Mada University, Yogyakarta. Data analysis was performed using Minitab 17 software. The results of the analysis of variance showed that different levels of decomposer affected organic C, phosphor (P), Kalium (K), and Magnesium (Mg). Organic C, P, K, and Mg contents were found highest in P2, on the other hand N and Ca contents, C/N ratio, pH, and temperature of compost were not different among treatments. It could be concluded that compost made with 0.5% decomposer agents from processed-bioethanol waste was the best.
Co-Authors Aqni Hanifa Azinuddin, Yazid Rizal Bachtiar, Reza Achmad Budiman, Anatta Wahyu Firdaus, Muchammad Yusuf Kutsiadi, Rizki Atikah Muhammad Rifki Nurhayat, Yayang Resty Pramono, Ahmad Prasetya, Riki Agung Respati Saputra, Sofian Pradipta Wulandari, Sarah