شبیه‌سازی و مطالعه اقتصادی تولید بیودیزل از زائدات چربی حیوانی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشکده مهندسی شیمی و نفت، دانشگاه صنعتی شریف، تهران

2 دانشکده مهندسی شیمی، دانشگاه صنعتی اصفهان

چکیده

هدف از این پژوهش، طراحی و مطالعه اقتصادی تولید بیودیزل از چربی حیوانی است. امروزه عمده تولید بیودیزل از منابع روغن‌های خوراکی مانند سویا است. زائدات پیه به‌عنوان منبعی فراوان، ارزان‌ قیمت و غیرخوراکی می‌تواند جایگزین این منابع گردد. به علت محتوای بالای اسیدهای چرب آزاد حیوانی، شبیه‌سازی در دو بخش واکنش استریفیکاسیون و ترانس-استریفیکاسیون صورت گرفت و عملیات خالص‌سازی توسط شستشو با آب در برج استخراج انجام شد. تولید  kg 5000 بیودیزل از kg 5000 پیه، نتیجه‌ حاصل از شبیه‌سازی با نرم‌افزار Aspen Hysys است. همچنین گلیسرول به‌عنوان یک محصول جانبی فرآیند فوق خالص‌سازی شد. برای مطالعه‌ اقتصادی فرآیند از نرم‌افزار Aspen Icarus استفاده شد و نتایج تحلیل اقتصادی حاصل از آن، نشان‌دهنده‌ میزان NPV برابر با 733/4 میلیون دلار که مشخص‌کننده‌ اقتصادی بودن فرآیند بعد از 10 سال است. دوره‌ بازگشت سرمایه 7/7 سال پس از راه‌اندازی کارخانه است.
 

کلیدواژه‌ها

عنوان مقاله [English]

Simulation and Economic Study of Biodiesel Production from Animal Fat Wastes

نویسندگان [English]

  • Masih Karimi Alavijeh 1
  • Nooshin Asadi 2
  • Soheila Yaghmaei 1
1 Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran
2 Department of Chemical Engineering, Isfahan University of Technology
چکیده [English]

The objective of this research was the design and economic study of biodiesel production from animal fat. Nowadays, biodiesel is mostly produced from edible sources such as soybean. Wastes of tallow as an abundant, cheap, and inedible source can be used instead of these sources. High amounts of free fatty acid of animal fats are why the process needs to be performed in two sections, namely esterification and transesterification reactions, and the purification process was conducted by water washing in an extraction column. The simulation results of Aspen Hysys software shows the production of 5000 kg of biodiesel of 5000 kg of tallow. Additionally, glycerol was purified as a by-product of the process. Aspen Icarus software was used for the economic study of the process and the economic results by Aspen Icarus software shows that the NPV is M$ 4.733 after 10 years, which confirms that this design is cost-effective. Furthermore, the payback period from the plant start-up is 7.7 years.
 

کلیدواژه‌ها [English]

  • Biodiesel
  • Free Fatty Acid
  • Simulation
  • Economic Study
  • Esterification

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