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All Journal Riwayat: Educational Journal of History and Humanities J-Sil (Jurnal Teknik Sipil dan Lingkungan)
Saputra, Septian Fauzi Dwi
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Humanities Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Engineering Environmental Science Social Sciences Transportation

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Prediction of Groundwater Storage in Gabus Wetan Subdistrict, Indramayu Regency, West Java Province, Indonesia Saputra, Septian Fauzi Dwi; Waspodo, Roh Santoso Budi; Setiawan, Budi Indra
Jurnal Teknik Sipil dan Lingkungan Vol. 1 No. 3: Desember 2016
Publisher : Departemen Teknik Sipil dan Lingkungan IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.1.3.147-158

Abstract

Gabus Wetan Subdistrict, Indramayu Regency in West Java Province known as one of rice production center in Indonesia has common problem of surface irrigation water that is unavailable in dry season. It necessary to find alternative water source from groundwater to increase intensity as well as productivity. The aim of this study were to determine geoelectrical-hydrogeological profiles in form of distribution characteristics of the aquifer indicated by the resistivity of rocks and to predict the groundwater reserve potential in Gabus Wetan, Indramayu Regency. Resulted information can then be used to exploit groundwater for alternative supply of irrigation water. The result of this study shown that the rock resistivity in the area ranging between 1-30 Ωm. The rock aquifers consist of sandy clay, clayey sand, and sand. The shalllow groundwater (unconfined aquifer) are in the range of 3-40 meters below the soil surface having tickness of aquifer in the range of 7-20 meters. The deep groundwater (confined aquifer) can be estimated at the depth of more than 60 meters below the soil surface having tickness more than 40 meters. The hydraulic conductivity is estimated 20 m/day for unconfined aquifer and confined aquifer. The predicted groundwater storage of unconfined aquifer was about 31,687.2 m3/day or 0.37 m3/sec and confined aquifer 99,382.6 m3/day or 1.15 m3/sec.Keywords: aquifer,  groundwater, hydrogeology, hydraulic conductivity, resistivity
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): Oktober, Social Issues and Problems in Society
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): Oktober, Social Issues and Problems in Society
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.
Co-Authors Afigi, Nando Andhini, Marliza Andini Tribuana Tunggadewi, Andini Tribuana Beata Ratnawati Budi Indra Setiawan Dellarosa, Luvy Emil Wahdi Hidiya, Miesriany Ivone Wulandari Budiharto, Ivone Wulandari Kartini, Sylvi Aprilia Nurul Jannah Paramitadevi, Yudith Vega Pramitadevi, Yudith Vega Prasetya, Dimas Ardi Roh Santoso Budi Waspodo Wahdi, Emil Wahdi Wiranda Intan Suri