Evaluation Of The Effectiveness Of Using Refuse Derived Fuel (RDF) At PT Indocement Tunggal Prakarsa Tbk.

Prabawati, Gusti Ayu Agung Indira (2025) Evaluation Of The Effectiveness Of Using Refuse Derived Fuel (RDF) At PT Indocement Tunggal Prakarsa Tbk. Other thesis, Institut Teknologi Sepuluh Nopember.

Text 5014211114-Undergraduate_Thesis .pdf - Accepted Version Restricted to Repository staff only Download (81MB) | Request a copy

Abstract

Permasalahan sampah di Indonesia menjadi salah satu tantangan besar. Berbagai upaya untuk mencapai target pengelolaan sampah nasional terus dilakukan untuk mendukung konsep Waste to Energy. Salah satu solusi yang sedang dikembangkan adalah penggunaan Refuse Derived Fuel (RDF) sebagai bahan bakar alternatif dalam proses produksi semen. PT. Indocement Tunggal Prakarsa, salah satu industri semen terbesar di Indonesia menggunakan RDF sebagai bahan bakar campuran dalam proses pembakarannya. Penelitian ini bertujuan untuk mengetahui persentase penggunaan RDF yang optimal dan menganalisis dampak emisi yang dihasilkan serta reduksi limbah pada sumber RDF PT. Indocement Tunggal Prakarsa Tbk. Pengambilan sampel dilakukan di penyimpanan bahan bakar alternatif untuk P8, P11 dan P14 sebanyak 4 kali di 3 plant tersebut setiap minggu selama 1 bulan. Penelitian dilakukan pada bulan Maret-April 2025 di PT. Indocement Tunggal Prakarsa. Penelitian laboratorium dilakukan di ITB untuk pengujian nilai kalor, kadar air dan kadar abu. Data sekunder yang dibutuhkan seperti karakteristik bahan bakar Alternatif, emisi yang dihasilkan dan nilai reduksi sampah dari TPA Bantargebang dan TPA Nambo. Setelah itu dilakukan rekomposisi, energi panas yang dapat dihasilkan, tren emisi dan perhitungan reduksi sampah untuk menunjukkan efektifitas penggunaan RDF dan juga total reduksi sampah yang dapat dikelola oleh perusahaan. Hasil dari penelitian ini menunjukkan bahwa komposisi dan karakteristik RDF terbaik adalah komposisi RDF pada P8 dengan komposisi (79,88%) plastik, (7,7%) sampah kebun, (4%) kertas, tekstil dan material passing 30mm (3,1%), mineral (batu) dan material lolos 10mm (0,7%), sampah makanan (0,5%) dan kaca (0,3%), serta karakteristik nilai kalor 4.123,65-4.491,35 kkal/kg, kadar air 15,99-40,90%, kadar abu 15,03-20,81%. Ditemukan bahwa persentase optimum RDF di setiap pabrik bervariasi karena perbedaan kualitas dan pasokan bahan bakar, serta kebutuhan panas. P8 menggunakan 4,8% RDF untuk memproduksi 29.125 ton klinker/minggu, atau sekitar 75,6% produksi klinker. P11 menggunakan 18,9% RDF untuk memproduksi 44.138 ton klinker/minggu atau sekitar 81,8% produksi klinker. P14 menggunakan 4,4% RDF untuk memproduksi 27.244 ton klinker/minggu atau sekitar 70% produksi klinker. Dari aspek emisi diketahui bahwa terjadi peningkatan emisi NOx, CO yang disebabkan oleh meningkatnya jumlah produksi berdampak pada penggunaan bahan bakar yang juga meningkat, sementara itu SO2 dan partikulat mengalami penurunan, didukung oleh penggunaan teknologi baru modern, berdasarkan penelitian ini RDF tidak berhubungan langsung dengan hasil emisi yang dikeluarkan. Namun berdasarkan upaya perusahaan dalam usaha membantu pengurangan sampah, perusahaan dapat mengurangi sampah dan mengubahnya menjadi RDF sebesar 13,06% dari total sampah masuk per hari dari TPA Bantargebang dan TPA Nambo. Pengolahan RDF mengurangi jumlah timbunan sampah di TPA Bantargebang sebanyak 58,44% per hari dan TPA Nambo sebanyak 35% per hari.
======================================================================================================================================
The waste problem in Indonesia is one of the challenges. Various efforts to achieve the national waste management target continue to be made to support the Waste to Energy concept. One of the solutions being developed is the use of Refuse Derived Fuel (RDF) as an alternative fuel in the cement production process. PT. Indocement Tunggal Prakarsa, one of the largest cement industries in Indonesia uses RDF as a mixture fuel in its combustion process. This study aims to determine the optimal percentage usage of RDF and analyze the impact in emissions produced also waste reduction at sources for fuel mixtures at PT. Indocement Tunggal Prakarsa Tbk. Sampling was carried out at the alternative fuel storage for P8, P11 and P14. Sampling was conducted 4 times at 3 plants every week over 1 month. The research was conducted in March-April 2025 at PT. Indocement Tunggal Prakarsa. The research was conducted at the ITB Laboratory for Calorific Value, Moisture Content and Ash Content. Secondary data needed such as Alternative Fuel characteristics, emissions produced and waste reduction value from Bantargebang and Nambo Landfill. After that, recomposition, heat generated, trend of emission and reduction of waste was made to show the effectiveness of RDF usage at each plant and also the total waste reduction that can be managed by the company. The results of this study show that the best RDF composition and characteristics is the RDF composition in P8 with the composition of (79.88%) plastic, (7.7%) garden waste, (4%) paper, textile and material passing 30mm (3.1%), mineral (stone) and material passing 10mm (0.7%), food waste (0.5%) and glass (0.3%), and also the characteristics of calorific value 4,123.65-4,491.35 kcal/kg, moisture content 15.99-40.90%, ash content 15.03-20.81%. It was found that the optimum percentage of RDF in each plant is varies due to different quality of fuel used, heat requirements and fuel supply. P8 uses 4.8% RDF to produce 29,125 tons of clinker/week, so with this percentage P8 can achieve 75.6% of clinker production. P11 uses 18.9% RDF to produce 44,138 tons of clinker/week, thus with this percentage P11 can achieve 81.8% clinker production. P14 uses 4.4% RDF to produce 27,244 tons of clinker/week, so that with this percentage P14 can achieve 70% of clinker production. From the emission aspect, it can be known that there is an increase in NOx, CO emissions which can be caused by the increasing amount of production which has an impact on the use of fuel which also increases, meanwhile SO2 and particulate matter decreased, which is supported by the use of new modern technology installed, based on this research RDF is not directly related to the results of emissions released. But based on the company's efforts in waste reduction, the company was able to help reduce waste into RDF by 13.06% from Bantargebang landfill and Nambo landfill. RDF processing reduces the amount of waste piles in Bantargebang landfill by as much as 58.44% per day and Nambo landfill by 35% per day.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Cement Industry, Coal Substitution, Fuel Efficiency, RDF, Waste to Energy, Efisiensi Bahanbakar, Industri Semen, RDF, Substitusi Batubara, Waste to Energy
Subjects:	T Technology > TD Environmental technology. Sanitary engineering > TD794.5 Recycling (Waste, etc.) T Technology > TD Environmental technology. Sanitary engineering > TD899 Waste control in special industries, plants, processes, etc
Divisions:	Faculty of Civil Engineering and Planning > Environment Engineering > 25201-(S1) Undergraduate Thesis
Depositing User:	Gusti Ayu Agung Indira Prabawati
Date Deposited:	22 Jul 2025 07:42
Last Modified:	22 Jul 2025 07:42
URI:	http://repository.its.ac.id/id/eprint/120542

Actions (login required)

View Item