TECHNO-ECONOMIC ANALYSIS OF DIMETHYL ETHER PRODUCTION PROCESS FROM METHANOL

Year 2025, Volume: 13 Issue: 1, 340 - 352, 20.03.2025

Ali Yalçın

https://doi.org/10.21923/jesd.1590072

Abstract

In this study, a simulation of the indirect synthesis method for producing dimethyl ether (DME) from methanol and a techno-economic analysis of the production process was performed using SuperPro Designer for different production capacities (40,000-65,000 tons/year). An improved flow chart that ensures energy transfer to the production process by burning natural gas was also enhanced. For the annual production of 55,000 tons of DME, the total capital investment, annual operating cost, and unit DME production cost were estimated to be 11.406 M$, 28.375 M$, and 515.93 $/ton, respectively. The effect of different DME production capacities on the payback period was also determined based on various production capacities. As a result of the techno-economic evaluation, an acceptable payback period was calculated as 5.02 years. The simulation study shows that the indirect synthesis method for DME production from methanol has a high profitability potential in the short term at production capacities exceeding 55,000 tons/year DME production rate.

Keywords

Dimethyl ether production, Methanol, Simulation, SuperPro Designer, Techno-economic analysis

METANOLDEN DİMETİL ETER ÜRETİM PROSESİNİN TEKNO-EKONOMİK ANALİZİ

Abstract

Bu çalışmada; SuperPro Designer kullanılarak, farklı üretim kapasitelerine (40.000-65000 ton/yıl) göre, metanolden dimetil eter (DME) üretimi için dolaylı sentez yönteminin bir simülasyonu ve üretim prosesinin tekno-ekonomik analizi gerçekleştirilmiştir. Üretim prosesine doğalgazın yakılmasıyla enerji geçişini sağlayan geliştirilmiş bir akım şeması da çizilmiştir. Yıllık 55.000 ton DME üretimi için toplam sermaye yatırımı, yıllık işletme maliyeti ve birim DME üretim maliyetinin, sırasıyla, 11,406 M$, 28,375 M$ ve 515,93 $/ton olduğu tahmin edilmektedir. Farklı DME üretim kapasitelerinin geri ödeme süresi üzerine etkisi de belirlenmiş olup, tekno-ekonomik değerlendirme sonucunda, kabul edilebilir bir geri ödeme süresi, 5,02 yıl olarak hesaplanmıştır. Gerçekleştirilen simülasyon çalışması ile metanolden DME üretimi için dolaylı sentez yönteminin, 55.000 ton/yıl DME üretim hızını aşan üretim kapasitelerinde, kısa vadede yüksek bir karlılık potansiyeline sahip olduğunu ortaya koymaktadır.

Keywords

Dimetil eter üretimi, Metanol, Simülasyon, SuperPro Designer, Tekno-ekonomik analiz

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