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All Journal Konversi EnviroScienteae Communications in Science and Technology Jurnal Sains Materi Indonesia JURNAL REKAYASA KIMIA & LINGKUNGAN Dinamika Kerajinan dan Batik: Majalah Ilmiah
Agus Mirwan
Program Studi Teknik Kimia Fakultas Teknik Universitas Lambung Mangkurat, Jl. A. Yani Km. 36 Banjarbaru 70714 Kalimantan Selatan. Telepon/Faks: (0511) 7404878/4773858
Arts Chemical Engineering, Chemistry & Bioengineering Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Social Sciences

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Journal : EnviroScienteae

 1 
OPTIMASI PROSES PENETRALAN AIR ASAM TAMBANG PADA SETTLING POND PT DARMA HENWA TBK JOBSITE PT ARUTMIN INDONESIA SITE ASAM-ASAM Maulana, Tri Okta; Mirwan, Agus; Heryani, Hesty; Mizwar, Andy
EnviroScienteae Vol 19, No 4 (2023): ENVIROSCIENTEAE VOLUME 19 NOMOR 4, NOVEMBER 2023
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v19i4.17885

Abstract

One of method which ussualy used in neutralizing Acid Mine Drainage using neutralizing agents is Settling Pond. This treatment process requires adding neutralizing agents to the waters or through a mixing system and allowing deposits to form in the pond. Many factors and process mechanisms can affect the effluent quality of an Acid Mine Drainage processing system. The purpose of this study is to evaluate the effectiveness and optimize the Acid Mine Drainage neutralization process carried out in Settling Pond 19. The research method used is to make theoretical simulations both modeling using PHREEQC and calculations to simulate various neutralization process options. The results showed that the neutralization process was affected by the quality of the neutralizing agent, the number of doses, the saturation index (precipitation) limit, the dissolution process of the neutralizing agent, the duration of dosing, and the duration of neutralization. According to modeling and theoretical calculations, the technical recommendations for optimizing the Acid Mine Drainage neutralization process to produce effluent quality that meets wastewater quality standards are the duration interval to inject neutralizer from every 60 minutes to every 13.6 minutes with a continuous dosing mechanism; The use of a maximum dose of limestone of 0.22 g/L to avoid oversaturated events, and the use of a limestone dissolution mechanism before the injection process is carried out to reduce the need for retention time for 216 seconds.
STRATEGI PENGEMBANGAN BANK SAMPAH DI KABUPATEN BARITO TIMUR Yuchitadewi, Pitaloka; Mahreda, Emmy Sri; Mahyudin, Rizqi Putri; Mirwan, Agus
EnviroScienteae Vol 20, No 1 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 1, FEBRUARI 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i1.18879

Abstract

The significant growth in the amount of waste can cause various problems, so management efforts are needed to convert waste into more useful and useful material. Waste banks are facilities used as an alternative to waste management to reduce environmental pollution that will be caused by waste generation. This study aims to analyze the internal and external factors that influence the development of the Mentari Tamiang Layang Waste Bank is in quadrant l, which is in the alternative strategy section. The results of the SWOT matrix showed that there are nine alternatives that can be carried out by the Waste Bank, namely (1) improving Waste Bank services to customers by optimizrng existing facilities, (2) making innovations and increasing creativity to process recycled waste products, (3) marketing products from recycled waste, (4) requiring local government support so that the Waste Bank is more advanced and developed. (5) collaborate with parties that can support the development of the Waste Bank, (6) improve the implementation of larvs and regulations in waste management, (7) increase public awareness in preserving the environment by conducting socialization activities, (8) coordinate with the Regional Government related to the development of the Waste Bank, and (9) maintain bid prices so that cooperation with customers remains well establi shed.
Co-Authors Agustin, Era Andy Mizwar Chairul Irawan Dessy, Sheilvina Milliviyanthi Doni Rahmat Wicakso Emmy Sri Mahreda Fadillah, Muhammad Heryani, Hesty Ikhsan Firdaus Indriyani, Vera Mahyudin, Rizqi Putri Maulana, Tri Okta Melinda, Rizani Aulia Mu'minah, Ridhayanti Muhammad Nizar Pahlevi, Muhammad Nizar Muhammad Rivai Nopembriani, Nova Fitria Novianty, Yunita Nurhalisa, Siti Paramita, Andika Putri Prasetyo, Winda Aryani Pratidina, Niska Nana Purnawilda, Agita Rahmi Triwulandari Sari, Anna Permana Sari, Ayu Ratma Sari, Retno Fitriana Sofyan Hadi Sugianto Sugianto Suherman, Bella Febrianty Putri Yuchitadewi, Pitaloka Yulianingtias, Aproditha