بهینه‌سازی شبکه هیدروژن با استفاده از مدیریت دی اکسیدکربن

نوع مقاله : مقاله پژوهشی

نویسندگان

گروه مهندسی شیمی، دانشکده مهندسی شهید نیکبخت، دانشگاه سیستان و بلوچستان، زاهدان، ایران

چکیده

 
هیدروژن از مهم‌ترین منابع انرژی تجدید‌پذیر است ولی در اکثر پالایشگاه‌ها هم‌زمان با تولید هیدروژن توسط سوخت‌های فسیلی، مقدار قابل توجهی CO2 نیز تولید می‌گردد. در این مقاله به ارائه مدل ریاضی برای انتشار میزان CO2 از هر واحد موجود در شبکه هیدروژن و همچنین بهینه‌سازی چند هدفه، پرداخته شده است. این مدل شامل برنامه‌ریزی ریاضی خطی (LP) است که رابطه بین میزان انتشار CO2 و خوراک ورودی به سیستم سوخت و محصول خروجی واحد تولیدکننده هیدروژن را نشان می‌دهد. پارامترهای ثابت مدل براساس داده‌های تجربی موجود از شبکه هیدروژن پالایشگاه نفت بندرعباس به‌دست آمده است. تابع هدف نیز بر اساس تابع چند هدفه کاهش هم‌زمان نشر CO2 و کاهش کل هزینه‌های شبکه هیدروژن می‌باشد. نتایج حاصل از بهینه‌سازی کاهش 1/29% و 4/22% را به ترتیب برای نشر CO2 و کل هزینه‌های موجود در شبکه هیدروژن نشان می‌دهند. نتایج همچنین بیانگر افزایش مقدار m3/h 16200 با استفاده مجدد از هیدروژن ارسالی به سیستم سوخت هستند.
 

کلیدواژه‌ها


عنوان مقاله [English]

Hydrogen Network Optimization Using CO2 Management

نویسندگان [English]

  • Parvaneh Naroui
  • Mir Mohammad Khalilipour
  • Farhad Shahraki
  • Mohammad Reza Sardashti Birjandi
Chemical Engineering Department, Shahid Nikbakht Faculty of Engineering, University of Sistan and Baluchestan, Zahedan, Iran
چکیده [English]

Hydrogen is one of the most important sources of renewable energy, but in most refineries, along with the production of hydrogen by fossil fuels, a significant amount of CO2 is also produced. This paper presents a mathematical model for CO2 emission from each unit in the hydrogen network as well as multi-objective optimization. This model includes linear mathematical programming (LP), which illustrates the relationship between CO2 emissions and feed input to the fuel system and the output product of the hydrogen generating unit. The model constant parameters are obtained from the experimental data from the hydrogen network of Bandar Abbas Oil refinery. The objective function is based on the multi-objective function, which simultaneously reducing CO2 emissions and also reducing total annual cost of hydrogen network. The results of optimized network indicated that total annual cost and CO2 emissions have been decreased by 29.1% and 22.4%, respectively. Furthermore, hydrogen within the fuel system was recovered to use in hydrogen network by purifications units. The amount of hydrogen recovery from fuel gas, which has been sent to purification units, is 16200 m3/h.
 

کلیدواژه‌ها [English]

  • Hydrogen management
  • CO2 emission
  • Optimization
  • linear mathematical modeling
  • Hydrogen Network
 
 
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