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All Journal Konversi Jurnal Pengendalian Pencemaran Lingkungan (JPPL)
Arsita Nur Rizkia Putri
Politeknik Negeri Cilacap
Chemical Engineering, Chemistry & Bioengineering Education Engineering Environmental Science

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Industri Tahu Rakyat dalam Tinjauan Life Cycle Assessment Taufan Ratri Harjanto; Mustafidatul Khasanah; Arsita Nur Rizkia Putri
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 4 No. 2 (2022): JPPL, September 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i2.1436

Abstract

Tofu is a type of food that is preferred and widely produced by Indonesian people. The existence of the tofu industry will have an impact on the quality of the environment. To reduce this impact, an analysis related to the Life Cycle Assessment (LCA) is required. The research aims to determine eco-friendly tofu products and the part of the process that has a high potential to pollute the environment in the micro tofu industry. The research method uses a cradle-to-gate approach, which focuses on the processing of raw materials into products in the form of white tofu and fried tofu. The stages of this research are based on SNI ISO-14040: goal and scope, inventory analysis, life cycle impact assessment, and interpretation. The results showed that fried tofu has a high potential to pollute the environment compared to white tofu, namely the contribution value of white tofu is 0.121 pt and the contribution value of fried tofu is 2.83 pt, this is based on the highest value on important issues (hotspots) related to the impact category, namely global warming potential is 154 kg CO2(eq), ozone depletion potential is 1.43.10-5 kg ​​CFC-11(eq), acid rain potential is 3.83.103 kg SO2(eq), eutrophication potential is 145 kg PO4 P-lim, energy use is 154 kg CO2(eq), and human health is 0.822 DALY. Based on the contribution analysis, hotspots on the results of the life cycle assessment of the micro tofu industry are in the frying process and the procurement of the main raw material used, soybeans. Alternative improvements can be made by changing the main ingredient of soybean seed into soybean slurry and replacing palm oil with soybean oil in frying, and firewood into biogas.
Effect of Si/Al molar ratio on zeolite synthesis from nipah leaf and used canned aluminium Arsita Nur Rizkia Putri; Ilma Fadlilah; Oto Prasadi
Konversi Vol 12, No 2 (2023): OKTOBER 2023
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v12i2.16985

Abstract

Silica and alumunium are the main sources in the manufacture of synthetic zeolite which will be engineered in such a way that it contains the same character as natural zeolite. The silica content in Nipah leaf waste is 26,28 % and the alumunium content in used cans is 53,09 %, it has the potential to be the main ingredient in zeolite synthesis. This study aims to determine the effect of Si/Al molar ratio on synthetic zeolite characteristics. Making zeolite is done by mixing silica and alumunium as well as the zeolite crystallization process using a hydrothermal reactor. Characterization of zeolite was carried out by morphological analysis and elemental composition using SEM-EDX and functional group analysis using FTIR. The results of SEM-EDX show the morphology and composition of zeolite forming elements included in low sillica zeolite, and FTIR results show functional groups of synthetic zeolite in the form of double rings at wavevumbers 500 – 650 cm-1, and the presence of zeolite finger prints at wavenumbers 700 – 1100 cm-1.
Co-Authors Fadlilah, Ilma Mustafidatul Khasanah Oto Prasadi Taufan Ratri Harjanto