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All Journal Jurnal Teknologi Berkelanjutan
Amaludin, Moh Baitullah
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Materials Science & Nanotechnology Transportation

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Pengaruh Massa Adsorben Arang Aktif Sekam Padi dan Ampas Kopi dalam Mereduksi Zat Pencemar Limbah Cair Indrustri Tempe Rumahan Zulhija, Sari; Alricha, Alricha; Amaludin, Moh Baitullah; Zeffitni, Zeffitni; Ramadani, Sriyati
Jurnal Teknologi Berkelanjutan Vol 14 No 02 (2025): Vol 14 No. 02
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtb.v14i02.347

Abstract

The home-based tempeh industry faces serious challenges in managing liquid waste containing pollutants such as Total Suspended Solid (TSS), ammonia, turbidity, and pH that exceed quality standards. This study aims to determine the decrease in pollutant levels in tempeh industry liquid waste with a combination of coffee grounds and rice husk adsorbents, and to determine the effect of giving variations in adsorbent mass on the value of pollutant parameters in tempeh industry liquid waste. The method used was quantitative experimental with waste samples from Monas Tempe Factory. The adsorbent mass variations tested were 1:1, 1:2, and 2:1, with a total dose of 8 grams per 500 ml of waste, and the adsorption process was carried out with magnetic stirring for 30 minutes at 300 rpm. The results showed that the adsorbent combination was effective in reducing TSS and ammonia, with the highest TSS reduction reaching 53.42% and ammonia 67.33% in the 1:2 variation. The maximum adsorption capacity for TSS was 4330 mg/g and for ammonia 127.50 mg/g. However, this treatment also caused an increase in turbidity (-19937.50%) and pH (-16.88%). The Freundlich isotherm model is more suitable to explain the adsorption process, indicating that adsorption is favorable and occurs physically with multilayer. Although this combination was effective in reducing TSS and ammonia, there were limitations in dealing with turbidity and pH.
Optimalisasi IPAL Prototipe Menggunakan Biofilter Sarang Tawon sebagai Media Degradasi Polutan Limbah Laundry Alricha, Alricha; Salim, Awwalini Maghfirah; Amaludin, Moh Baitullah; Pratiwi, Anita; Wulandari, Ardini; Maulida, Fatimah; Zamani, Istiqomah Shariati
Jurnal Teknologi Berkelanjutan Vol 14 No 02 (2025): Vol 14 No. 02
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Domestic wastewater treatment often faces challenges due to high concentrations of organic matter and dissolved solids that can pollute the environment if left untreated. This study aims to evaluate the performance of a honeycomb biofilter in reducing key wastewater pollutants. The method applied was a laboratory-scale experiment using a small-scale WWTP system equipped with a honeycomb biofilter unit. The treatment results showed a significant reduction of BOD from 56 mg/L to 4.15 mg/L (92% efficiency), COD from 224 mg/L to 5 mg/L (97% efficiency), and TDS from 290 mg/L to 194 mg/L (30% efficiency). All parameters meet the quality standards. However, pH decreased from 7.4 to 4.4 (40% reduction), indicating the need for a pH adjustment unit before final discharge. In conclusion, the honeycomb biofilter proved effective in reducing organic load and dissolved solids, although integration with a pH neutralization unit is required to comply with environmental standards.
Co-Authors Alricha, Alricha Awwalini Maghfirah Salim Istiqomah Shariati Zamani Maulida, Fatimah Pratiwi, Anita Ramadani, Sriyati Wulandari, Ardini Zeffitni Zeffitni Zulhija, Sari