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Journal of Industrial Process and Chemical Engineering (JOICHE)
Published by Institut Teknologi Adhi Tama Surabaya
ISSN : -     EISSN : 28078543     DOI : https://doi.org/10.31284/j.joiche.2022.v2i2.3852
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Engineering
Energi Proses Industri Kimia Material Maju Pengendalian Pencemaran Lingkungan Simulasi dan Pemodelan Savety engineering Pengendalian Kualitas
Arjuna Subject : Teknik Kimia (semua kategori) - Kimia Proses dan Teknologi
Articles 3 Documents
 1 
Search results for , issue "Vol 5, No 2 (2025)" : 3 Documents clear
Karbon Dots sebagai Sistem Penghantaran Obat Cerdas Berbasis Nanoteknologi Permadi, Adi
Journal of Industrial Process and Chemical Engineering (JOICHE) Vol 5, No 2 (2025)
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.joiche.2025.v5i2.7742

Abstract

Carbon dots (CDs) are carbon-based nanomaterials smaller than 10 nm that exhibit strong fluorescence, excellent chemical stability, and environmental friendliness, making them promising candidates for diverse applications. This paper discusses the synthesis methods of carbon dots, particularly bottom-up techniques such as pyrolysis and hydrothermal synthesis, using eco-friendly precursors like agricultural and food waste. CDs are characterized by techniques including FTIR, UV-Vis, and TEM to reveal their structural and optical properties. CDs have various applications, including heavy metal sensing, bioimaging, and antimicrobial agents. The key advantages of CDs include low production costs, abundant raw materials, and high biocompatibility. This study highlights the great potential of CDs in supporting environmentally friendly technologies and encourages further research on their functionalization and future applications.
Pengaruh Bentuk Debu Terhadap Minimum Ignition Energy (MIE) Pada Debu Serbuk Kayu Udyani, Kartika
Journal of Industrial Process and Chemical Engineering (JOICHE) Vol 5, No 2 (2025)
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.joiche.2025.v5i2.8351

Abstract

Dust explosion is a serious threat in industries that involve the processing and storage of powdery materials, such as flour, sugar, wood, and so on. The aim of this study was to determine the effect of dust shape on MIE. Irregular and spherical wood dust was dried for 1 hour, 2 hours, 3 hours, 4 hours and 5 hours and then tested for moisture content. Samples dried for 1 hour had a moisture content of about 13%. Samples dried for 2 hours have a moisture content of about 9%. The sample dried for 3 hours has a moisture content of about 7%. The sample dried for 4 hours has a moisture content of about 6.5%. Samples dried for 5 hours have a moisture content of about 6%. After knowing the water content, each sample is weighed as much as 1 gram; 1.25 grams; 1.5 grams; 1.75 grams; 2 grams and then tested using a Dust Explosion tool. Irregular samples have the highest MIE value of 6.3801 mJ and the smallest of 1.3936 mJ. Spherical samples have the highest MIE value of 7.7079 mJ and the smallest of 1.3951 mJ. The highest MIE value is at a concentration of 1 g/L and the smallest at a concentration of 2 g/L.
PRA PERANCANGAN PABRIK NATRIUM KARBONAT DARI LIMBAH FLUE GAS PLTU DENGAN METODE KARBONASI BERKAPASITAS 350.000 TON/TAHUN Purwaningsih, Dian Yanuarita
Journal of Industrial Process and Chemical Engineering (JOICHE) Vol 5, No 2 (2025)
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.joiche.2025.v5i2.8640

Abstract

Sodium carbonate, commonly known as soda ash, is a chemical compound with the formula Na₂CO₃. It plays a vital role in various industries as a pH regulator in chemical processes, an electrolyte in reactions, and a fluxing agent to lower the melting point in glass production. Despite its wide industrial use, Indonesia currently has no domestic sodium carbonate production facilities, resulting in a growing dependence on imports to meet increasing demand. This preliminary plant design proposes the production of sodium carbonate using the carbonation method, with sodium hydroxide and flue gas waste from coal-fired power plant as raw materials. The process involves reacting NaOH with CO₂ extracted from flue gas in a reactor to form sodium carbonate. The product is then concentrated through evaporation, crystallized into wet crystals, and dried using a rotary dryer. The final stage involves adjusting particle size to meet market specifications for the Na₂CO₃ product. Economic analysis indicates that the plant is financially viable, with an Internal Rate of Return (IRR) of 23%, a Pay Out Time (POT) of 3.8 years, and a Break Even Point (BEP) of 27.28%. In conclusion, establishing a sodium carbonate plant using flue gas waste from the coal-fired power plant with a production capacity of 350,000 tons per year is considered economically feasible.

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