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Sitogasa, Praditya Sigit Ardisty
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Industrial & Manufacturing Engineering Public Health

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Pemanfaatan Air Limbah Hasil Pengolahan IPAL Komunal Sebagai Water Scrubber Pabrik II Industri Pupuk PT X Amelia, Naura Alfi; Sitogasa, Praditya Sigit Ardisty
Environmental Engineering Journal ITATS Vol 6, No 1 (2026): Environmental Engineering Journal ITATS
Publisher : Teknik Lingkungan, Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.envitats.2026.v6i1.8406

Abstract

The fertilizer industry PT X produces liquid waste from various production processes that have the potential to pollute the environment if not managed properly. This study aims to examine the performance of utilizing treated water from the communal Wastewater Treatment Plant (WWTP) as a water scrubber medium in controlling gas emissions at Plant Unit II. The research method is descriptive with an observational approach through field observations, interviews, and analysis of WWTP operational data and emission quality test results. The results show that treated water from the communal WWTP can be utilized effectively without reducing emission control performance. The particulate concentration in the scrubber stack was recorded at around 9-10% of the quality standard, while the fluorine and ammonia concentrations were in the range of 29-69% and 7-11% of the quality standard of LHK Regulation Number 17 of 2019, respectively. The utilization of treated water reached 25ā€“32% of the communal wastewater treatment plant discharge, thereby contributing to reducing the use of clean water. The water remaining from the water scrubber process is returned to the communal wastewater treatment plant for reprocessing, forming a recirculation system that increases resource efficiency, reduces liquid waste, and supports air pollution control. The novelty of this research lies in the assessment of the integration of treated water from communal wastewater treatment plants into water scrubber systems as a unified approach to wastewater management and emission control in the fertilizer industry in Indonesia, this reflects the application of the principles of zero waste, clean production, and circular economy in supporting environmental sustainability and company performance in the Program Penilaian Peringkat Kinerja Perusahaan (PROPER).
Pemanfaatan Sludge IPAL Sebagai Substitusi Bahan Baku Produksi Pupuk NPK pada Industri Pupuk PT X Permata, Fina Rahma; Sitogasa, Praditya Sigit Ardisty
Envirous Vol. 6 No. 2 (2026): Jurnal Envirous
Publisher : UPN "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/envirous.v6i2.406

Abstract

PT X sebagai produsen pupuk terbesar di Indonesia menghasilkan limbah Bahan Berbahaya dan Beracun (B3) berupa sludge dari Instalasi Pengolahan Air Limbah (IPAL) yang terus meningkat seiring peningkatan kapasitas produksi, mencapai 24,25 ton pada Triwulan IV 2024. Penulisan artikel ini bertujuan menganalisis kelayakan teknis pemanfaatan sludge IPAL sebagai bahan substitusi dalam produksi pupuk NPK di PT X. Metode penelitian menggunakan analisis deskriptif dengan pengumpulan data primer dan sekunder meliputi karakterisasi sludge, dokumen teknis, dan informasi proses produksi. Hasil karakterisasi menunjukkan sludge mengandung Pā‚‚Oā‚… total 11,6%, CaO 26,1%, N total 2,33%, yang berpotensi sebagai sumber fosfor dan kalsium meskipun kadar nitrogen dan kalium masih di bawah standar SNI 2803:2012. Sludge dikategorikan sebagai limbah B3 kode B301-7 yang dimanfaatkan melalui proses pengeringan, pengujian laboratorium, dan pencampuran dalam produksi pupuk NPK granulasi dan reaksi dengan batas maksimal 1% dari kapasitas produksi. Pemanfaatan sludge mengurangi volume limbah B3 yang harus dikelola pihak ketiga, meminimalkan biaya transportasi dan disposal, serta mendukung prinsip industri hijau sesuai Peraturan Menteri Perindustrian Nomor 50 Tahun 2020. Program ini berkontribusi pada peningkatan kinerja lingkungan melalui aspek beyond compliance PROPER dan pencapaian SDG 6, SDG 9, dan SDG 12, sehingga memberikan rekomendasi strategis optimalisasi pengelolaan limbah B3 yang mendukung efisiensi produksi dan kinerja keberlanjutan perusahaan.
Co-Authors Amelia, Naura Alfi Permata, Fina Rahma