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Prasetya, Dimas Ardi
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Evaluation of Chicken Eggshell Biocoagulant Application in Domestic Wastewater Treatment Dellarosa, Luvy; Andhini, Marliza; Ratnawati, Beata; Tunggadewi, Andini Tribuana; Pramitadevi, Yudith Vega; Suri, Wiranda Intan; Jannah, Nurul; Hidiya, Miesriany; Wahdi, Emil; Prasetya, Dimas Ardi; Saputra, Septian Fauzi Dwi; Budiharto, Ivone Wulandari
Riwayat: Educational Journal of History and Humanities Vol 8, No 4 (2025): October
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jr.v8i4.50969

Abstract

The increasing population in Bogor City, especially in the Tanah Baru area, leads to an increase in the volume of domestic wastewater and municipal waste such as chicken eggshells. Chicken eggshells have the potential to be used as an environmentally friendly biocoagulant to reduce pollutant load, but their effectiveness on domestic wastewater still needs to be studied. This study aims to analyze the effect of adding chicken eggshell biocoagulant on changes in pH, TDS, and conductivity parameters of domestic wastewater and compare it with the conventional coagulant polyaluminum chloride (PAC). The methods used include preparing chicken eggshell powder through washing, drying, grinding, sieving, and chemical activation, then applying it to wastewater samples at a dosage of 50 g/500 mL and comparing it with PAC at a dosage of 1 mL/500 mL using the jar test. The results show that adding chicken eggshell biocoagulant did not significantly reduce pollutant load, even causing an increase in TDS and conductivity, while PAC was able to improve wastewater quality with much lower increases in TDS and conductivity, and the pH remained within the quality standard range. These findings indicate that chemically, chicken eggshells are more suitable for use as an adsorbent or support material in coagulation systems than as the primary coagulant in domestic wastewater treatment.
Eco-Enzyme Production from Household Organic Waste for Natural Cleaning Solutions Suri, Wiranda Intan; Ratnawati, Beata; Tunggadewi, Andini Tribuana; Dellarosa, Luvy; Hidiya, Miesriany; Prasetya, Dimas Ardi; Paramitadevi, Yudith Vega; Wahdi, Emil Wahdi; Saputra, Septian Fauzi Dwi; Jannah, Nurul; Kartini, Sylvi Aprilia; Afigi, Nando
Riwayat: Educational Journal of History and Humanities Vol 8, No 4 (2025): October
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jr.v8i4.50660

Abstract

Household activities generate large amounts of organic waste. Improper waste management can negatively impact the environment. Several areas, including Mulyaharja in Bogor, still face difficulties in managing organic waste. This is because the practice of sorting and processing organic waste has not yet been widely introduced and implemented. An alternative solution to reduce the negative impact of poor organic waste management on the environment is to process it into eco-enzymes. In addition to reducing the amount of waste disposed of in landfills, eco-enzymes can also function as a natural cleaning solution for daily household use. To introduce this processing method, a sustainable waste processing program was carried out in Mulyaharja through two activities. The first activity was the socialization of the definition and processing of organic waste, as well as the types of organic waste that can be used to produce eco-enzymes. The second activity was hands-on training in processing organic waste into eco-enzymes, so that the community could fully understand the tools, materials, and stages of its production. The main ingredients in making eco-enzymes are fruit and vegetable peel waste, molasses, and water. After the eco-enzyme solution was ready, this solution could be used to clean toilets, bathrooms, floors, and kitchen surfaces. The results of the program showed an increase in community knowledge and skills in processing organic waste, as well as increased adoption of environmentally friendly cleaning products as alternatives to chemical cleaners.
Potensi Energi Pirolisis Sampah Plastik Polypropylene (PP), Polystyrene (PS), dan High-Density Polyethylene (HDPE) Berdasarkan Nilai Kalor Suri, Wiranda Intan; Ratnawati, Beata; Paramitadevi, Yudith Vega; Tunggadewi, Andini Tribuana; Prasetya, Dimas Ardi; Wahdi, Emil
Jurnal TELUK: Teknik Lingkungan UM Kendari Vol. 6 No. 1 (2026): Edisi Juni Tahun 2026 Jurnal TELUK: Teknik Lingkungan UM Kendari
Publisher : Universitas Muhammadiyah Kendari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51454/teluk.v6i1.1686

Abstract

Indonesia, as a country with a high population and rapid industrialization, produces a very large amount of plastic waste every year. The application of pyrolysis technology can be used as an alternative solution to convert plastic waste into an energy source in the form of pyrolysis oil. The study aims to analyze the energy potential of pyrolysis oil products from plastic waste types Polypropylene (PP), Polystyrene (PS), and High-Density Polyethylene (HDPE) based on their calorific value and evaluate the potential of oil to be used as an alternative fuel by comparing the calorific value with conventional fuels such as gasoline, diesel, and kerosene. The pyrolysis process was carried out on each type of plastic waste, and then the oil was tested for its Gross Calorific Value (GCV) using the Bomb Calorimeter method. The results showed that the pyrolysis oil from the three types of plastic waste had a high calorific value (GCV), 46.27 MJ/kg for PP, 44.27 MJ/kg for PS, and 45.16 MJ/kg for HDPE. All three types of plastic waste have great potential to be used as alternative fuels. The oil from the pyrolysis of PP plastic waste has the highest calorific value, so based on the calorific value, the pyrolysis oil from PP plastic waste has greater energy potential compared to PS and HDPE plastic waste.
Co-Authors Afigi, Nando Agus Jatnika Effendy Andhini, Marliza Andini Tribuana Tunggadewi, Andini Tribuana Arga Setyawan Azizi, Iqbal Hanun Beata Ratnawati Dellarosa, Luvy Emil Wahdi Hidayat, Bayu Rahmat Iqbal Hanun Azizi Ivone Wulandari Budiharto Ivone Wulandari Budiharto, Ivone Wulandari Kartini, Sylvi Aprilia Luthfiyah, Nanda Amirah Meliana, Linda Miesriany Hidiya Mochamad Arief Budihardjo Natalia, Adelisa Nurul Jannah Paramitadevi, Yudith Vega Pramitadevi, Yudith Vega Ramadan, Bimastyaji Surya Ramadhani, Mulia Ilmi Ridwan, Wonny Ahmad Roh Santoso Budi Waspodo Santikayasa, I Putu Santikayasa, I Putu Saputra, Septian Fauzi Dwi Satyanto Krido Saptomo sayekti, ayutyas Setyawan, Arga Silaban, Intan Roulina Syarif Hidayat Wahdi, Emil Wahdi Widiawati, Yesi Eka Wiranda Intan Suri