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All Journal Prosiding Seminar Nasional Teknik Sipil UMS Sainteks: Jurnal Sain dan Teknik
Johan Syafri Mahathir Ahmad
Universitas Gadjah Mada
Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering

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Kajian Tingkat Pencemaran pada Efluen Air Limbah IPAL - IPAL Domestik Komunal Ditinjau dari Parameter COD, BOD, Amonia dan Total Coliform di Sleman, Yogyakarta Muhammad Luthfi Nugroho; Johan Syafri Mahathir Ahmad; Lisendra Marbelia
Prosiding Seminar Nasional Teknik Sipil UMS 2023: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

Pencemaran air limbah di Kabupaten Sleman merupakan dampak dari permasalahan sanitasi. Saat ini IPAL – IPAL Domestik Komunal di Sleman menjadi alternatif untuk pengolahan air limbah domestik. Setidaknya terdapat 56 IPAL Domestik yang memiliki efluen air limbah yang tidak memenuhi baku mutu. Efluen IPAL ini diduga menjadi kontribusi terhadap peningkatan tingkat pencemaran perairan di Sleman. Oleh karena itu, penelitian terkait tingkat pencemaran efluen IPAL diperlukan. Penelitian menggunakan metode analisis konsentrasi polutan, analisis kinerja penyisihan dan analisis indeks pencemaran. Hasil penelitian didapatkan bahwa >50% IPAL untuk kualitas efluen COD, BOD dan Amonia masih memenuhi baku mutu yang dipersyaratkan. Namun, 56 IPAL (100% jumlah total IPAL) masih belum memenuhi baku mutu untuk Total colifrom. Kedua, 56 IPAL masih memiliki kinerja penyisihan polutan COD, BOD, Amonia dan Total coliform yang rendah (<80% efisiensi). Terkakhir, kenaikan tingkat pencemaran IPAL cenderung signifikan tiap tahunnya dan secara rerata kumulatif dari tahun 2017 sampai tahun 2022 terdapat 52 IPAL tercemar berat.
The Study of Tuff Breccia for Batik Wasterwater Treatment Media in Bayat, Klaten District, Central Java Wawan Budianta; Johan Syafri Mahathir Ahmad; I Wayan Warmada
Sainteks: Jurnal Sain dan Teknik Vol 5 No 1 (2023): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v5i1.531

Abstract

Batik wastewater produced in the batik industry in Bayat, Klaten Regency, contains chromium and phenol, which pass the wastewater quality standard. This study aimed to evaluate the ability of tuff breccia from the study area to reduce chromium and phenol concentration in batik wastewater. Mineralogical and chemical characterization was conducted to investigate tuff breccia's mineralogical and chemical composition. A batch and regeneration test was conducted to investigate tuff breccia's ability to reduce the chromium and phenol concentration in the batik wastewater. The characterization of tuff breccia indicates that the tuff breccia consists of fragments, minerals (quartz, plagioclase), and clay minerals (smectite and illite). The batch test results show that the grain size of tuff breccia and the pH value significantly influence the ability of tuff breccia to reduce the chromium and phenol concentration in batik wastewater. The regeneration test showed that the tuff breccia would decrease the capability by up to 30 percent after five times of use.
Co-Authors I Wayan Warmada Lisendra Marbelia Muhammad Luthfi Nugroho Wawan Budianta