Optimalisasi Single-Effect Evaporator pada Proses Produksi Kalsium Klorida
Submission Date: 2023-07-26 07:59:49
Accepted Date: 2023-09-18 06:34:38
Abstract
Tantangan utama dalam proses produksi CaCl2 adalah penggunaan energi melalui konsumsi steam yang cukup tinggi saat proses pemekatan CaCl2 melalui proses evaporasi. Pada suatu industri kalsium klorida, proses evaporasi dilakukan menggunakan Single-Effect Evaporator (SEE). Adapun steam dalam proses evaporasi disupply dari utility pada temperatur steam 134oC dan tekanan 1 atm dengan konsumsi steam mencapai 4,528 ton/jam. Oleh karena itu, efisiensi sangat diperlukan untuk mengurangi konsumsi steam untuk mendukung proses penghematan energi. Adapun proses efisiensi dan optimasi pada unit evaporator akan dilakukan melaui 2 skenario untuk mendapatkan hasil terbaik dalam proses efisiensi konsusmi steam. Skenario 1 untuk efisiensi dan optimasi unit evaporator dengan penambahan MVR dan skenario 2 untuk efisiensi dan optimasi unit evaporator melalui pre-heating bahan masuk dan penambahan MVR. Hasil paling optimal dicapai pada skenario 2 yang dapat menuruntukan beban konsusim steam mencapai 80% dari kondisi eksisiting. Selain itu dari analisa ekonomi skenario 2 juga lebih menguntungkan perusahan karena menurunkan nilai BEP, POT dan meningkatkan RoR yang cukup baik dibandingkan eksisting dan skenario 1. Sehingga dengan mempertimbangkan beberapa aspek analisis yang ada, skenario 2 merupakan langkah yang efisien dan optimasi unit evaporator pada proses produksi kalsium klorida (CaCl2).
Keywords
Evaporator MVR; Heater; Kalsium Klorida; Steam
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