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All Journal Jurnal Penelitian dan Karya Ilmiah Lembaga Penelitian Universitas Trisakti Serambi Engineering
Stephanie, Inna
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CHLORINE RESIDUALS IN WASTEWATER TREATMENT: IMPLICATIONS FOR PATHOGEN INACTIVATION AND ENVIRONMENTAL IMPACT Paramerta, Ni Made Amanda Putri Paramerta; Nadhifah, Dinda Fairuz; Marques, Madalena G.J.V.; Saefurrahman, Farhan; Stephanie, Inna; Wikaningrum, Temmy
JURNAL PENELITIAN DAN KARYA ILMIAH LEMBAGA PENELITIAN UNIVERSITAS TRISAKTI Volume 9, Nomor 2, Juli 2024
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/pdk.v9i2.18987

Abstract

Chlorine residuals are a critical component of wastewater treatment systems. Inactivation of pathogens is a crucial goal to protect public health and stop the spread of waterborne illnesses. The purpose of this study is to find out more about the use of chlorination to dominate all pathogenic bacteria in a safe environment. The method used in this paper is an approach to literature review, which is carried out by publishing articles, including browsing the internet, Google Scholar, and related journals. The study highlights the importance of understanding the relationship between the chlorine doses given and the resulting concentration of the residuals. In addition, the study emphasizes the potential consequences of an ecosystem, such as excessive algae growth and the contribution of methane gas production to greenhouse effects. Our findings focus on the need for a comprehensive approach to managing chlorine residuals, considering aspects of health in humans, effective inactivation that is pathogenic, and preserving the environment for long-term sustainability.
Design of Waste Collection Sites at President University Campus: The Principles of Reduce, Reuse, Recycle (3R) Stephanie, Inna
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Waste management is a critical issue in Indonesia, where most of the waste produced is still not separated for disposal and handled properly. Despite having separate waste bins, President University has not consistently implemented waste separation, making it an appropriate case study for designing a 3R-based Temporary Waste Storage Site. This study aims to calculate the volume of existing waste and design a user-friendly 3R Temporary Waste Storage Site that supports the principles of Reduce, Reuse, and Recycle on campus. This study uses a mixed methods approach, combining direct observation and measurement of waste volume in Buildings A and B for eight consecutive days in accordance with SNI 3964:2025, as well as a questionnaire survey to assess students perception, behaviors, norms, and responsibility regarding waste management. The results show that the average waste production on campus is 79.75 kg/day, dominated by inorganic waste such as plastic bottles (17.5%) and plastic food containers (16.6%), followed by paper, cardboard, and organic food waste. The proposed technical design includes separate organic, inorganic, and residual waste facilities, composting using bamboo aerators, and leachate reservoirs. This design meets Indonesian regulatory requirements, with increased sorting and processing capacity. Social analysis using multiple linear regression revealed that perception significantly influenced student responsibility in waste management (p = 0.001), while behavior and norms showed weaker effects.
Co-Authors Marques, Madalena G.J.V. Nadhifah, Dinda Fairuz Paramerta, Ni Made Amanda Putri Paramerta Saefurrahman, Farhan Temmy Wikaningrum