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All Journal Jurnal IPTEK Jurnal Teknologi dan Manajemen
Rodu Dhuha Afrianisa
Institut Teknologi Adhi Tama Surabaya
Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Greenhouse Gas Reduction Potential based on Waste Recovery Factor in Gading and Dukuh Setro Subdistrics, Surabaya Talent Nia Pramestyawati; Rodu Dhuha Afrianisa; Muhammad Hafizhni Ath Thoyib
Jurnal IPTEK Vol 27, No 1 (2023)
Publisher : LPPM Institut Teknologi Adhi Tama Surabaya (ITATS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.iptek.2023.v27i1.4498

Abstract

People’s growth and their activities increase waste generation. Therefore, efforts to reduce waste are needed, including community-based reduction efforts. This research is located in Gading and Dukuh Setro sub-districts in Surabaya City. The purpose of this study was to measure the potential for waste reduction and greenhouse gas reduction. Measurement of waste generation, waste composition, and waste density was based on SNI 19-3964-1994. The researcher conducted sampling in low, middle, and high-income areas, covering 83 families. Greenhouse gas emissions were estimated using the LandGEM (U.S. EPA) method based on the waste disposed at landfill, considering the existing reduction conditions and optimal material recovery. Solid waste generation in 2022 per year was 4.695,58 tons. The largest composition of waste consisted of biodegradable waste (37.13%), plastic waste (25.73%), and diapers and sanitary napkins (18.25%). The average density of loose waste was 152.42 kg/m3. The existing reduction had 1.47% waste bank reduction activity and 0.72% composting reduction activity, for a total reduction of 2.19%. The average optimal reduction was 52.7%, whereas the optimal reduction in the waste bank was 17.5%. The optimal composting reduction was 35.2%. Thus, the existing scenario in 2032 obtained reductions from total landfill gas of 725,498 Gg/year, methane of 193,788 Gg/year, carbon dioxide of 531,710 Gg/year, and NMOC of 8,330 Gg/year. Meanwhile, the optimal scenario for 2032 obtained reductions from total landfill gas of 239.067 Gg/year, methane of 63.857 Gg/year, carbon dioxide of 175.209 Gg/year, and NMOC of 0.412 Gg/year
Analysis of Ground Water Quality Status in Tambakboyo Hamlet, Tikung District, Lamongan Regency Using Storet Method Rodu Dhuha Afrianisa; Pratama Sandi Alala; Taty Alfiah; Nazilatun Niswa; Erlinda Ningsih
Jurnal Teknologi dan Manajemen Vol 5, No 1 (2024): January
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i1.5314

Abstract

Leachate from the Tambakrigadung Final Disposal Site has potential to contaminate ground water of residents in Tambakboyo Hamlet, Tambakrigadung Village, Tikung District, Lamongan Regency. Tambakboyo Hamlet is a residential area close to the Tambakrigadung TPA. This study was aimed at determining the effects of the distance between the well and the Tambakrigadung landfill on the water quality of the Tambakrigadung residents' wells. The sampling employed a purposive technique by taking water samples from dug wells belonging to residents. Sampling occurred at 7 points within 3 repetitions, taking into account the distance of the well from the landfill. To determine the level of contamination in the wells being studied, the researcher applied the STORET method. Water quality status based on storet method at points A, F and G has score -19, -11. -15, and poiytnt B,C,D,E has score -7,-5,-7,-5. The results of this study indicated that 3 wells belonged to a moderately polluted, and 4 well was categorized as having a lightly polluted.
Co-Authors Erlinda Ningsih Muhammad Hafizhni Ath Thoyib Nazilatun Niswa Pratama Sandi Alala Talent Nia Pramestyawati Taty Alfiah