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All Journal Journal of Natural Sciences and Mathematics Research TEKNOLOGIA
Rehan Rizkyta Peranginangin
Universitas Pertamina
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Materials Science & Nanotechnology Mathematics Physics

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SYNTHESIS AND MODIFICATION OF CUPPER 1,4 BENZENEDICARBOXYLATE AS GOOD CANDIDATE FOR POST-COMBUSTION GAS ADSORBENT Muttaqin Muttaqin; Rehan Rizkyta Peranginangin
JURNAL TEKNOLOGIA Vol 4 No 1 (2021): Jurnal Teknologia
Publisher : Aliansi Perguruan Tinggi Badan Usaha Milik Negara (APERTI BUMN)

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Abstract

The use of fossil-based fuels has serious implications on the environmental issues because it will increase the emission of carbon dioxide (CO2) gas which will contribute on the global warming. Therefore, it is necessary to develop technologies, methods or materials that can capture or storage CO2 levels in the air. One of the materials that can be used as a CO2 gas absorbent is a material called a metal organic framework (MOF). MOF with a Cu metal core and a ligand, 1,4-benzene dicarboxylic acid will form a porous material with a triclinic crystal structure. This material is called cupper-benzene dicarboxylate (CuBDC). This study aims to synthesize and modify CuBDC with ethylenediamine compound. The characterization results show that CuBDC and CuBDC-modification have been confirmed based on the analysis of Fourier transform infrared spectrophotometer (FTIR) and X-ray diffraction (XRD). The synthesized MOFs have good thermal resistance where the main-frame structure can withstand temperatures up to 300's C. Modified-CuBDC has a much larger surface area, pore diameter and pore volume compared to CuBDC so that modified-CuBDC has the potential to be used as an absorbent material for CO2 gas produced by combustion by the power generation industry or other industries.
Bioplastic from Cassava peel and eggshell waste Nila Tanyela Berghuis; Diah Kemala Mutmainah; Meliana Nur Savitri; Meri Arizki; Dyas Dwi Yunita; Fahdly Awaluddin; Rehan Rizkyta Peranginangin; Athirah Nursalsabila; Ris Kevin Bramasta
Journal of Natural Sciences and Mathematics Research Vol 8, No 2 (2022): December
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jnsmr.2022.8.2.13696

Abstract

The accumulation of plastic waste and excessive use of plastic is a common environmental issue in Indonesia. Plastics are synthetic polymers that are stable, water-resistant, light, flexible, and firm but very difficult to break down by microorganisms. Decomposition of plastic waste by burning can cause other environmental issues and, during the combustion process can produce dioxin compounds that are harmful to health. An available and affordable alternative to reduce the use of plastic is by using bioplastics. Bioplastics are plastics made from natural materials that microorganisms can break down, so they are more environmentally friendly than commercial plastics. Generally, the main ingredients for making bioplastics are starch or chitosan. The source of starch used in this project comes from cassava peel waste. In this project, researchers also utilize waste from chicken eggshells. The function of adding eggshell waste is to give biodegradable plastic complex characteristics. The ratio between cassava peel and eggshell used was 1:0, 1:1, 1:3, and 1:5. With a 1:1 ratio is the most optimal. The addition of eggshells with the correct ratio (1:1) increased the ability of biodegradation of bioplastics. The results of the Tensile Strength Test of Bioplastic Samples with a ratio of 1:0, 1:1, 1:3, and 1:5 are 9.2 x10-3kgf/cm2, 4.4 x10-3 kgf/cm2, 2 x10-3 kgf/cm2, and 2 x10-3 kgf/cm2.©2022 JNSMR UIN Walisongo. All rights reserved.
Co-Authors Athirah Nursalsabila Diah Kemala Mutmainah Dyas Dwi Yunita Fahdly Awaluddin Meliana Nur Savitri Meri Arizki MUTTAQIN MUTTAQIN Nila Tanyela Berghuis Ris Kevin Bramasta