SIDIK, Mohammad and Fajar TK, Berkah and Hadiyanto, Hadiyanto (2022) STUDI PENGARUH PERLAKUAN KIMIA PADA PENGOLAHAN AIR UMPAN BOILER TERHADAP PENGHEMATAN PEMAKAIAN ENERGI LISTRIK DI PEMBANGKIT LISTRIK TENAGA UAP. Masters thesis, UNIVERSITAS DIPONEGORO.

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Abstract

Boiler merupakan bagian penting dari PLTU. Untuk menjaga agar boiler tetap beroperasi tanpa masalah, pemilihan pengolahan air umpan boiler yang tepat sangat penting. PLTU XYZ unit 5 memiliki dua rekomendasi pengolahan air umpan boiler dari manufaktur yaitu All Volatile Treatment (AVT) dan Combined Water Treatment (CWT). Pemilihan penggunaan air umpan boiler tidak hanya berpengaruh pada pencegahan korosi dan meminimalkan deposit pada sisi boiler tetapi juga berpengaruh pada penggunaan energi listrik di Condensate Polishing Plant. Metode penelitian ini adalah membandingkan frekuensi regenerasi Condensate Polishing Plant, Menghitung air demin yang digunakan untuk regenerasi Condensate Polishing Plant (m3), Hitung limbah yang dihasilkan dari regenerasi Condensate Polishing Plant (m3), Hitung total energi listrik yang digunakan dibandingkan saat menggunakan All Volatile Treatment (AVT) dan Combined Water Treatment (CWT) dan Membandingkan emisi CO2 saat menggunakan All Volatile Treatment (AVT) dan Combined Water Treatment (CWT). Hasil penelitian menunjukkan bahwa penggunaan Combined Water Treatment (CWT) dapat mengurangi regenerasi total sekitar 56%, Combined Water Treatment (CWT) dapat mengurangi biaya kimia Rp 102.808.500 dibandingkan dengan menggunakan All Volatile Treatment (AVT). Combined Water Treatment (CWT) konsumsi listrik lebih rendah sebesar 370,28 MW/bulan atau 4,44 GW/tahun dibandingkan dengan menggunakan All Volatile Treatment (AVT). Penggunaan combined water treatment (CWT) dapat mengurangi CO2 emissions sebesar 3,865.72 tonsCO2 / tahun berdasarkan perhitungan ESDM dan 3,563.57 tonsCO2 / tahun berdasarkan data CEMS PLTU XYZ dibandingkan ketika menggunakan All Volatile Treatment (AVT).
Kata Kunci : Semua Perawatan Volatile, Pengolahan Air Gabungan, Penghematan Energi, Pabrik Poles Kondensat

Boiler is an important part of Coal Fired Power Plant. In order to keep the boiler operating without problems the selection proper of boiler feed water treatment is very important. Coal Fired Power plant of XYZ unit 5 have two boiler feed water treatment recommendations from manufacture is All Volatile Treatment (AVT) and Combined Water treatment (CWT). The selection of the use of boiler feed water does not only affect prevent corrosion and minimize deposit the boiler side but also affects the use of electrical energy in the condensate polishing plant. This research method is to compare the frequency of regeneration of Condensate Polishing Plant, Calculate demin water used to regeneration of Condensate Polishing Plant (m3), Calculate the waste generated from regeneration of Condensate Polishing Plant (m3), Calculate the total electrical energy used, compare electrical energy when using All Volatile Treatment (AVT) and Combined Water Treatment (CWT) and Comparing CO2 emissions when using All Volatile Treatment (AVT) and Combined Water Treatment (CWT). The results showed that the use of Combined Water Treatment (CWT) can reduce total regeneration by around 56%, Combined Water Treatment (CWT) can reduce chemical costs Rp. 102,808,500 compared to using All Volatile Treatment (AVT). Combined Water Treatment (CWT) lower electricity consumption of 370.28 MW/month or 4.44 GW/year compared to using All Volatile Treatment (AVT). The use of combined water treatment (CWT) can reduce CO2 emissions by 3,865.72 tons CO2 / year based on ESDM calculations and 3,563.57 tonsCO2 / year based on CEMS PLTU XYZ data compared to when using All Volatile Treatment (AVT).
Keyworld : All Volatile Treatment, Combined Water Treatment, Energy Savings, Condensate Polishing Plant

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