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Idral Amri
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Graduate Program of Chemical Engineering Faculty of Engineering Universitas Riau, Pekanbaru, Indonesia, 28293
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INDONESIA
Journal of Bioprocess Chemical and Environmental Engineering Science
Published by Universitas Riau
ISSN : 27221334     EISSN : 27211894     DOI : -
Core Subject : Science, Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology
Journal of Chemical, Bioprocess and Environmental Engineering Science merupakan Open Access Journal yang menerbitkan naskah dengan topik-topik sebagai berikut: 1) Bioprocess Engineering, 2) Catalytic Reaction Engineering Science, 3) Fundamental of Chemical Engineering and Applied Industry, 4) Industrial Chemical Engineering, 5) Material and Engineering Sciences, 6) Process and Control Engineering, 7) Energy Sciences and Technology, 8) Polymer, Oleo and Petrochemical Technology, 9) Membrane Sciences and Technology, 10) Separation and Purification Technology, 11) Water/Waste Water treatment, 12) Environmental and Safety Technology, 13) Food Processing and Engineering Sciences
Arjuna Subject : Teknik Kimia (semua kategori) - Fluid Flow and Transfer Processes
Articles 5 Documents
 1 
Search results for , issue "Vol 5 No 2 (2024): Journal of Bioprocess, Chemical, and Environmental Engineering" : 5 Documents clear
Review: Komposit rGO-TiO2 dalam Proses Fotokatalisis untuk Menghilangkan Kontaminan Warna pada Air Fitri, Lara Ismano; Heltina, Desi; Amri, Amun
Journal of Bioprocess, Chemical and Environmental Engineering Science Vol 5 No 2 (2024): Journal of Bioprocess, Chemical, and Environmental Engineering
Publisher : Department of Chemical Engineering, Faculty of Engineering, UNRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jbchees.5.2.46-59

Abstract

This article explains various synthesis methods for rGO-TiO2 materials and their applications in colored wastewater treatment. The methods discussed include hydrothermal, sol-gel, ultrasonication, wet impregnation, electrospinning, and electrophoresis. Each method has its own advantages: the hydrothermal and sol-gel methods enhance photocatalytic activity through the integration of TiO2 and rGO; ultrasonication and wet impregnation methods are effective in uniquely improving photocatalytic performance; while electrophoresis (EPD) and electrospinning methods excel in forming high-quality coatings and nanofibers that boost photocatalytic activity. The choice of method depends on the specific application and desired material properties. The hydrothermal and sol-gel methods are well-suited for photocatalytic applications, while EPD and electrospinning methods are superior for other applications, such as improving photovoltaic performance.
Efektivitas Adsorpsi Logam Berat (Fe2+) Menggunakan Arang Aktif Batang Bambu (Bambusoideae) Teraktivasi NaOH Al'farisi, Cory Dian; Irianty, Rozanna Sri; Damanik, Gery Andreas; Herman, Syamsu
Journal of Bioprocess, Chemical and Environmental Engineering Science Vol 5 No 2 (2024): Journal of Bioprocess, Chemical, and Environmental Engineering
Publisher : Department of Chemical Engineering, Faculty of Engineering, UNRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jbchees.5.2.60-68

Abstract

The environmental pollution that was the center of attention was industrial wasted. Adsorption had been shown to been a more effective method for absorbing heavy metals from wastewater. Adsorption is the absorption of a substance on the surface of another substance. The adsorbent commonly used in adsorption is activated charcoal. Yellow bamboo is a material that could produced charcoal by carbonization. The research aimed to make adsorbents from bamboo, to characterize activated charcoal according to SNI 06-3730-1995. Bamboo stem activated charcoal capacity and calculated the effectiveness of charcoal adsorbents. Bamboo stems actively absorb iron ions (Fe2+). Variations in this process was particle sizes of 40+ 60-, 60+ 80- and 80+ 100- mesh and column diameter sizes of 2, 3 and 4 cm. The analysis results for the characteristics of the activated charcoal complied with SNI provisions, showing a moisture content of 4%, an ash content of 8%, and an iodine adsorption capacity of 1002.45 mg/g.. The best results in this research were the adsorption process at varying particle sizes of 80+ 100- mesh with a column diameter of 2 cm with an adsorption capacity value of 0.896 mg/g and an effectiveness of 90.48%. Variations in column diameter and particle size used affect the adsorption capacity and effectiveness of the adsorption process.
Pengaruh Waktu Reaksi Transesterifikasi Biodiesel dari Minyak Lemak Ayam dengan Menggunakan Katalis MgO Habib, Alltop Amri Ya; Suhendri, Suhendri
Journal of Bioprocess, Chemical and Environmental Engineering Science Vol 5 No 2 (2024): Journal of Bioprocess, Chemical, and Environmental Engineering
Publisher : Department of Chemical Engineering, Faculty of Engineering, UNRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jbchees.5.2.69-76

Abstract

Generally, biodiesel is produced from vegetable oils, however, this raw material has certain drawbacks, such as price fluctuations due to its competing use in the food industry, making it less economical. Therefore, this study utilizes chicken fat oil as an alternative raw material for biodiesel production, using MgO as a catalyst. The biodiesel was produced through a transesterification reaction at a temperature of 60°C, with an oil-to-methanol ratio of 25 ml:30 ml, and 0.5 g of catalyst. The study varied the reaction times, which were 60 minutes, 120 minutes, and 180 minutes. The best result was obtained at a reaction time of 180 minutes, yielding 92.19%. The biodiesel produced had a density of 0.962 g/ml, a viscosity of 2.931 cSt, and a water content of 0.0416%.
Analisis Konsentrasi Karbon Monoksida (CO) dan Oksida Sulfur (SOx) di Udara Ruangan Akibat Pembakaran Briket Ampas Sagu Hafidawati, Hafidawati; Yenie, Elvi; Naufal, Hafiz Aulia; Manan, Abdul
Journal of Bioprocess, Chemical and Environmental Engineering Science Vol 5 No 2 (2024): Journal of Bioprocess, Chemical, and Environmental Engineering
Publisher : Department of Chemical Engineering, Faculty of Engineering, UNRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jbchees.5.2.77-84

Abstract

Sungai Tohor area, Meranti Islands, Riau, is a producer of sago in Indonesia and has great potential as a producer of sago flour. Sago flour production also produces waste in the form of sago dregs. Sago utilisation in Meranti Regency is still limited, sago stems (tual) are processed in factories (sago refineries) to produce sago flour with a production volume of 450,000 tonnes/year. This sago processing also produces side waste in the form of sago pulp as much as 75-83%. This provides potential in the utilisation of sago pulp as an environmentally friendly alternative energy source. This research aims to develop biopellets from sago pulp as a biomass fuel that can replace fossil fuels. The analysis results show that sago pulp biopellets have a moisture content of 8.22%, ash content of 30.51%, volatile matter of 22.01%, and calorific value of 4,599 cal/gr, which fulfils the SNI 01-6235-2000 standard. The CO and SOx gas emission measurements from the combustion of biopellets were below the threshold set in the Regulation of the Indonesian Minister of Health No. 1077 Year 2011 and SNI 7626-2013. The thermal efficiency of combustion reached 28.15%, indicating that sago pulp biopellets have great potential as an efficient and environmentally friendly biomass fuel, supporting sustainable energy transition in Indonesia.
Biogas dari POME: Pengaruh Lingkungan Terhadap Produksi Energi Terbarukan di Industri Kelapa Sawit Amraini, Said Zul; Aidil, Muhammad; Senda, Semuel Pati; Haref, Yoneco; Herman, Syamsu
Journal of Bioprocess, Chemical and Environmental Engineering Science Vol 5 No 2 (2024): Journal of Bioprocess, Chemical, and Environmental Engineering
Publisher : Department of Chemical Engineering, Faculty of Engineering, UNRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jbchees.5.2.85-97

Abstract

Palm oil mill effluent is a type of organic agro-industrial waste from the by-product of the processing of fresh oil palm fruit bunches to produce Crude Palm Oil. The management of POME as biogas is an added value for companies to meet the needs of energy sources in the Palm Oil Mill, both for Crude Palm Oil, Kernel Crushing Plant, and domestic needs as a source of electrical energy. POME is a colloidal suspension containing 95-96% water, 0.6-0.7% oil and 4-5% fat and total solids. Anaerobic degradation of POME is the main stage in the biogas production process at the Sei Pagar Palm Oil Factory. The ambient temperature was measured at 08.00, 13.00, and 18.00 for 11 days of testing. To analyze the effect of ambient temperature on sample temperature, a sample temperature test was carried out using a pH meter for each ambient temperature test. To analyze the impact of ambient temperature on the flow rate of gas produced and methane content in biogas, the sensor flow rate was checked with the valve at the reactor outlet fully open. The ambient temperature of the reactor does not change the sample temperature because the temperature in the reactor is controlled by the feed entering the reactor. The average temperature of the reactor environment is lower than the reactor so that it does not affect the gas flow rate (biogas formation process). The average temperature of the reactor environment is lower than the reactor temperature so that it does not affect the formation of methane.

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