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All Journal Jurnal Sains & Teknologi Lingkungan Jurnal Purifikasi Serambi Engineering
Arseto Yekti Bagastyo
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Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Earth & Planetary Sciences Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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KARAKTERISASI INFLUEN LUMPUR DI INSTALASI PENGOLAHAN LUMPUR TINJA (IPLT) KEPUTIH SURABAYA Ervin Nurhayati; Arseto Yekti Bagastyo; Fathyah Fathyah; Dewi Puji Rahayu; Andriyan Yulikasari
Purifikasi Vol 22 No 2 (2023): Jurnal Purifikasi
Publisher : Department of Environmental Engineering-Faculty of Civil, Planning, and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25983806.v22.i2.453

Abstract

Evaluation of the operation unit and process unit of Keputih IPLT needs to be carried out, in order to support the service level of Keputih IPLT. Testing the characteristics of sludge entering the STP is done by conducting laboratory testing related to the parameters of pH, BOD, COD, TSS, TVS, TFS, N, P, oil, fat and SVI tests. Samples were taken from several places, namely from non-fecal sludge such as Culinary Tourism Centre, Rusunawa, Fish Market Centre, Health Facilities, Malls and Restaurants. As for fecal sludge, it is taken from each processing unit in Keputih IPLT. Based on the characteristics of each pollutant load, the non-fecal sludge and fecal sludge indicate a sufficiently large load. The sludge load itself obtained from Rusunawa indicates that the sludge is still relatively fresh, no degradation has occurred. The results show that the characteristics of fecal sludge from each treatment unit of Keputih IPLT still exceed the applicable quality standards. The large amount of pollutant load that enters Keputih IPLT from not only fecal sludge, but also non-fecal sludge results in a treatment load that does not match the idle capacity of the treatment units in Keputih IPLT.
WASTEWATER TREATMENT USING ELECTROCOAGULATION FOR TOMATO KETCHUP INDUSTRY Mohammad Syaifuddin; Arseto Yekti Bagastyo; Isni Arliyani
Purifikasi Vol 22 No 2 (2023): Jurnal Purifikasi
Publisher : Department of Environmental Engineering-Faculty of Civil, Planning, and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25983806.v22.i2.454

Abstract

One of the most dangerous food industry wastes is the liquid resulting from the production of tomato sauce, which contains many organic substances and suspended solids. Electrocoagulation, a method for processing tomato sauce liquid waste, is environmentally friendly, easy to use, and saves land. Many people use plate-shaped electrodes for electrocoagulation, but cylindrical electrodes usually have lower power consumption during the process. By considering ideal conditions, this research aims to determine the ideal use of differences in current strength, pH and anode material. In addition, they also wanted to determine the specific energy consumption and amount of sludge in the cylindrical reactor. The quality of the electric current of 30 A, 35 A, and 40 A is the variable used in this research. The second variable is pH, which ranges between 6.7 and 8. The anode material used is iron, the parameters tested are pH, BOD and Phosphate. The results showed that at pH 8, a current strength of 40 A using an iron anode had a removal percentage of BOD and Phosphate of 83.52 ± 0.44% (1,358.00 mg/L) and 74.90 ± 0.98% (189. 41 mg/L). The specific energy consumption obtained for each parameter is 1.71 Wh/gBOD and 20.38 Wh/gP.
Socio-economy analysis of the community in Kediri City on the implementation of restriction policy of single-use plastic usage Tarnada Zanuar, Ella Arlaydes; Arseto Yekti Bagastyo
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The increasing use of single-use plastics in Kediri City prompted the issuance of Kediri Mayor Regulation No. 30 of 2023 on restricting single-use plastics. This study analyzes plastic waste composition, community and business participation, and the factors influencing policy implementation. Plastic waste composition was measured using the quarter sampling method in three districts, while participation data were analyzed using Structural Equation Modelling (SEM-PLS). The results show that plastic bags dominate single-use plastic waste, contributing up to 90%, particularly in residential areas due to small business activities. Support for the policy is relatively high, with 74.46% of the community and 64.64% of businesses agreeing, but concrete implementation remains low. SEM-PLS analysis reveals that environmental awareness, knowledge, and attitudes significantly influence the reduction of single-use plastics, while economic income factors are not significant. Continuous education, the provision of eco-friendly alternatives, and collaboration among stakeholders are essential to enhancing policy effectiveness.
Studi Pemanfaatan Idle Capacity Instalasi Pengolahan Lumpur Tinja (IPLT) Keputih Surabaya Nurhayati, Ervin; Arseto Yekti Bagastyo; Cynthia Dyah Puspitasari; Joko Pramono; Fathyah, Fathyah; Rahayu, Dewi Puji; Subechi, Dya Nur Mangzila
Jurnal Sains & Teknologi Lingkungan Vol. 16 No. 2 (2024): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol16.iss2.art6

Abstract

IPLT Keputih, the only fecal sludge treatment plant in Surabaya City, plays a critical role in the city's sanitation infrastructure. Its operation is critical to manage the fecal sludge generated by Surabaya residents, ensuring that the effluent is effectively treated before being safely discharged to the environment. According to previous studies, IPLT Keputih still has significant untapped potential, especially in the Solid Separation Chamber (SSC) and Grease Trap (GT) units, which have idle capacity that can be optimized to improve overall efficiency. The study involved primary and secondary data collection. Primary data was collected through comprehensive field observations and measurements, while secondary data was obtained from relevant agencies. Data analysis showed that IPLT Keputih currently treats an average of 97.71 m3 of septage per day. However, the facility has an idle capacity of 139.89 m3/day, which indicates a great opportunity to improve utilization. The calculation of the existing idle capacity was conducted based on the maximum discharge of sludge entering the IPLT Keputih in 2022. Several scenarios were developed to fully utilize the idle capacity of the SSC and GT units. The scenarios include the optimization of the SSC unit through improved desludging services, the optimization of the SSC and GT through improved non-fecal sludge management services for restaurants, as well as the implementation of a blended approach to improve the overall service of IPLT Keputih.
Co-Authors Andriyan Yulikasari Cynthia Dyah Puspitasari Dewi Puji Rahayu Ervin Nurhayati Ervin Nurhayati, Ervin Fathyah Fathyah Fathyah, Fathyah Heni Pujiastuti Isni Arliyani Joko Pramono Mohammad Syaifuddin Subechi, Dya Nur Mangzila Tarnada Zanuar, Ella Arlaydes