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All Journal Tropical Aquatic and Soil Pollution Industrial and Domestic Waste Management

Yulisa, Arma

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Author-ID : 7956969

Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Engineering Environmental Science

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Tolerance of Earthworms in Soil Contaminated with Polycyclic Aromatic Hydrocarbon Rubiyatno; Teh, Zee Chuang; Lestari, Diah Velentina; Yulisa, Arma; Musa, Muthah; Chen, Tse-Wei; Darwish, Noura M.; AlMunqedhi, Bandar M.; Hadibarata, Tony
Industrial and Domestic Waste Management Volume 2 - Issue 1 - 2022
Publisher : Tecno Scientifica Publishing

Pyrene is a very resistant polycyclic aromatic hydrocarbon (PAH) with four benzene rings that survives in the environment. This study was aimed at investigating the tolerance of earthworms in soil contaminated with pyrene. The studies were performed by employing earthworms gathered from shady regions adjacent to sewage ponds as pyrene degraders to eradicate pyrene from the soil. Numerous factors affecting pyrene degradation efficiency were explored, including the effect of contaminant concentration, earthworm and soil ration, and soil condition. The highest pyrene removal (31.2%) was shown by earthworms in the condition of soil mixed with cow dung. Pyrene decomposition was inhibited during soil sterilization due to the absence of soil microorganisms and indigenous pyrene-degrading bacteria. Nonetheless, earthworms are suitable for use as pyrene degraders in contaminated soil.

Effect of Substrate-to-Inoculum Ratio and Temperatures During the Start-up of Anaerobic Digestion of Fish Waste Yulisa, Arma; Chairattanawat, Chayanee; Park, Sang Hyeok; Jannat, Md Abu Hanifa; Hwang, Seokhwan
Industrial and Domestic Waste Management Volume 2 - Issue 1 - 2022
Publisher : Tecno Scientifica Publishing

The high protein and lipid content of fish waste makes mono-digestion a difficult bioprocess for an anaerobic digestion (AD) system. On the other hand, the massive increase in fish and seafood consumption worldwide has led to an inevitable fish waste mono-AD. Therefore, this study was conducted to investigate the effects of food-to-microorganisms (F/M) ratios and temperatures during the start-up period of fish waste mono-digestion. F/M ratios of 0.5, 1, 2, and 3 on a g-COD/g-VSS basis were operated at 35°C and 45°C, representing mesophilic and hyper-mesophilic conditions, respectively. The increase in F/M ratio improved the maximum methane (CH4) production rate at both temperatures. However, F/M ratio of 0.5 generated the highest CH4 yield in mesophilic and hyper-mesophilic conditions (0.23±0.00 L-CH4/g-CODinput). Further increase in F/M ratio decreased CH4 yield up to 21.74% and 39.13% when the reactors were operated at 35°C and 45°C, respectively. When reactors were supplied with FM ratios of 0.5, 1, and 2, hyper-mesophilic temperature improved methanogenesis by up to 2.61% and shortened the lag phase by 22.88%. Meanwhile, F/M ratio 3 at 45°C decreased cumulative CH4 production by up to 26.57% and prolonged the lag phase by 10.19%. The result of this study is beneficial to managing the input substrate of a batch-AD system that treats fish waste as a sole substrate.

Biosorption of Synthetic Dye by Macrofungi Lee, Kek Kin; Kristanti, Risky Ayu; Yulisa, Arma; Rubiyatno; Ningsih, Fitria; Syafrudin, Muhammad; Hernandes, Erika; Albescu, Mihaela
Industrial and Domestic Waste Management Volume 2 - Issue 2 - 2022
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/idwm.v2i2.108

This research project aimed to provide an environmentally friendly method for the decolorization and biosorption of synthetic dye by utilizing fungi as biosorbents. The study was carried out by first growing the fungi in solid medium and then using the fungi as biosorbent to absorb dye in aqueous solution. In the first stage, screening experiments were carried out among 5 different types of fungi, and Pleurotus ostreatus was determined to have the highest growth rate. The Pleurotus ostreatus was recultivated with Remazol Brilliant Blue R dye to determine its dye removal ability. Pleurotus ostreatus sp. exhibited vigorous dye decolorization in agar medium within 2 days. By carrying out batch analysis, 4 parameters were examined, which were the effect of pH, surfactant concentration (Tween 80), salinity concentration and dosage of biosorbent. The results showed that the maximum dye decolourization by Pleurotus ostreatus can be achieved through establishing an acidic condition of pH 2, addition of 0.1mL of Tween 80, 0mg/l of sodium chloride concentration, and dosage of 8 plugs. Lastly, the experimental data was found to fit the Jovanovic Isotherm the most. In conclusion, Pleurotus ostreatus is capable of decolourizing and adsorbing dye particles in the dye aqueous solution.

Co-Authors Albescu, Mihaela AlMunqedhi, Bandar M. Aziez, Ouahiba Bastidas, Camilo Chairattanawat, Chayanee Chen, Tse-Wei Darwish, Noura M. Fahssi, Aouatif fitria ningsih Hernandes, Erika Hwang, Seokhwan Jannat, Md Abu Hanifa Lee, Kek Kin Lestari, Diah Velentina Lie, Michael Maulana, Aulia Muhammad Syafrudin Musa, Muthah Park , Sang Hyeok Park, Sang Hyeok Rega Permana Risky Ayu Kristanti Rubiyatno Teh, Zee Chuang Thakali, Ocean Tongco, Jovale Vincent Tony Hadibarata, Tony

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