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All Journal CHEMICA Jurnal Teknik Kimia
Anatta Wahyu Budiman
Universitas Sebelas Maret
Chemical Engineering, Chemistry & Bioengineering Energy

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Tubular Biogas digester berbahan Buis Beton: Desain Konseptual, Potensi dan Analisa Ekonomi Anatta Wahyu Budiman; Muhammad Cahyadi; Ahmad Pramono; Muchammad Yusuf Firdaus; Yazid Rizal Azinuddin; Riki Agung Prasetya; Sofian Pradipta Respati Saputra
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.
One-Step Synthesis of Carbon Nitride Nanosheets for Photoremediation of Toxic Organic Dyes Waste in Aquatic Environment Huwaida Ikbar; Muhammad Hakim Muzakky; Harry Pramudya Rivelino; Anatta Wahyu Budiman
CHEMICA: Jurnal Teknik Kimia Vol 7, No 2 (2020): Desember 2020
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/chemica.v7i2.18498

Abstract

Graphitic Carbon nitride (g-C3N4) has been taking the attention of scientists because of its potential applications as a catalyst for organic synthesis, electrodes, photocatalyst, and hydrogen storage material. The g-C3N4 has also excellent chemical stability, special optical characteristics, and high thermal stability. Moreover, it only consists of carbon and nitrogen elements that make it safer for the environment than metal-based catalysts. Various techniques have been introduced to improve g-C3N4 photocatalytic efficiency as a combination with other semiconductors and the modification of morphology like porous g-C3N4 or nanostructures g-C3N4. When compared with g-C3N4 bulk, g-C3N4 Nanosheets have many advantages including high efficiency, low cost, environmentally friendly, and easy to produce on a large scale. This review contains an overview of the one-step synthesis method from melamine and ammonium chloride for g-C3N4 nanosheets as well as characteristics and potential applications in dyes photoremediation.
Co-Authors Ahmad Pramono Harry Pramudya Rivelino Huwaida Ikbar Muchammad Yusuf Firdaus Muhammad Cahyadi Muhammad Hakim Muzakky Riki Agung Prasetya Sofian Pradipta Respati Saputra Yazid Rizal Azinuddin