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      Penanganan Limbah Sludge Penyamakan Kulit di Pabrik Kulit X

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      Date
      2023
      Author
      Maulidza, Nabila
      Indrasti, Nastiti Siswi
      Suparno, Ono
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      Abstract
      Pabrik penyamakan kulit merupakan industri yang menghasilkan berbagai jenis limbah. Sludge sebagai salah satu jenis limbah yang berasal dari Instalasi Pengolahan Air Limbah penyamakan kulit. Proyek desain utama agroindustri ini bertujuan mengidentifikasi sumber dan jumlah limbah yang terbentuk, menganalisis formulasi pengomposan dan mutu kompos, peningkatan skala pengomposan, serta analisis biaya. Pengomposan dilakukan dengan metode in vessel composting menggunakan aerasi alami dengan variasi konsentrasi EM4 0%; 0,1%; dan 0,2%. Hasil analisis mutu terbaik terdapat pada kompos dengan konsentrasi EM4 0,1%. Dimensi reaktor pengomposan skala laboratorium diperbesar untuk skala pilot plant dan skala industri kecil dengan jumlah reaktor yang diperlukan masing-masing sebanyak 3 dan 9 buah dengan dimensi yang sama. Analisis biaya pengomposan menggunakan harga pokok produksi pada skala laboratorium sejumlah Rp2.039,46/kg; skala pilot plant sejumlah Rp249,38/kg; dan skala industri kecil sejumlah Rp567,9/kg. Kompos dengan konsentrasi aktivator EM4 0,1% memenuhi baku mutu SNI untuk parameter kadar air, suhu, pH, dan nisbah C/N sedangkan kadar logam krom masih belum memenuhi baku mutu SNI. Hasil mutu kompos yang dihasilkan direkomendasikan pengaplikasiannya untuk tanaman berbatang tinggi atau tanaman hias. Pengkajian terkait pengomposan lebih lanjut untuk menurunkan kadar krom yang masih relatif tinggi dapat direkomendasikan menggunakan metode pengomposan lainnya salah satunya vermicomposting.
       
      Leather tanning factory is an industry that produces various types of waste. Sludge as a type of waste originating from the tannery wastewater treatment plant. The main design project for this agro-industry aims to identify the source and amount of waste generated, analyze compost formulation and compost quality, increase the scale of composting, and analyze costs. Composting was carried out using the in-vessel composting method using natural aeration with a variation of 0%; 0.1%; and 0.2% EM4 concentration. The best quality analysis results were found in compost with 0.1% EM4 concentration. The dimensions of the laboratory scale composting reactor were enlarged for pilot plant scale and small industrial scale with the required number of reactors being 3 and 9 respectively with the same dimensions. Composting cost analysis uses the cost of production on a laboratory scale in the amount of IDR 2,039.46/kg; pilot plant scale of IDR 249.38/kg; and small industrial scale in the amount of IDR 567.9/kg. Compost with an EM4 activator concentration of 0.1% complies with SNI quality standards for parameters of water content, temperature, pH, and C/N ratio, while chromium metal content still does not meet SNI quality standards. The quality of the resulting compost is recommended for its application for tall-stemmed plants or ornamental plants. Studies related to further composting to reduce chromium levels which are still relatively high can be recommended using other composting methods, one of which is vermicomposting.
       
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      http://repository.ipb.ac.id/handle/123456789/123225
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      • UT - Agroindustrial Technology [4356]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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