پتانسیل جایگزینی باگاس به جای گاز طبیعی در کارخانه‌ی‌ شکر کشت و صنعت کارون و بررسی اقتصادی آن

نوع مقاله : مقاله پژوهشی

نویسندگان

1 فارغ التحصیل کارشناسی ارشد مکانیزاسیون کشاورزی، گروه مهندسی بیوسیستم، دانشکده کشاورزی، دانشگاه شهید چمران اهواز، اهواز، ایران

2 عضو هیات علمی/ گروه مهندسی بیوسیستم، دانشکده کشاورزی، دانشگاه شهید چمران اهواز، اهواز، ایران

3 عضو هیات علمی گروه مهندسی بیوسیستم، دانشکده کشاورزی، دانشگاه شهید چمران اهواز، اهواز، ایران

چکیده

هدف از این پژوهش، مطالعه وضعیت مصرف انرژی در کارخانه تولید شکر کشت و صنعت کارون و بررسی فنی و اقتصادی پتانسیل استفاده از باگاس به جای گاز طبیعی است. اطلاعات مورد نیاز بر اساس سال زراعی 1395-1396 جمع‌آوری گردید. نتایج نشان داد مصرف سالیانه انرژی برق و حرارت در کارخانه­ی شکر کارون به ترتیب 24 گیگاوات‌ساعت و 83/890 تن بخار (حرارت) بوده است که موجب انتشار 195 تن آلاینده هوا با هزینه اجتماعی 79/24 میلیارد ریال شده است. نرخ گرمایی خالص نیروگاه شرکت 15/27 مگاژول بر کیلووات‌ساعت محاسبه شد. با استفاده از 270 هزار تن باگاس مازاد، پتانسیل تولید 14/15 درصد کل انرژی کارخانه شکر و کاهش 29 هزار تن آلاینده در سال وجود دارد. بر اساس سال پایه 1395، نرخ بازده سرمایه باگاس‌سوز کردن دیگ بخار شرکت، 95/88 درصد و دوره بازگشت سرمایه کمتر از دو سال با صرفه‌جویی 60/30 میلیارد ریال در سال به دست آمد.

کلیدواژه‌ها


عنوان مقاله [English]

Potential of Substituting Bagasse for Natural Gas in Karun Sugar Factory and Its Economic Evaluation

نویسندگان [English]

  • Nahid Hasnaki 1
  • Yaghoob Mansoori 2
  • Abbas Asakereh 3
1 Department of Biosystems Engineering, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran
2 Member of Scientific board/ Department Of Biosystems Engineering, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran
3 Member of scientific board/ Department of Biosystems Engineering, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran
چکیده [English]

The objective of the current study was to investigate the energy consumption in Karun Sugar Factory and to assess, economically and technically, the potential of substituting natural gas by bagasse as a source of energy. The necessary data were collected throughout the factory documents and the factory expert’s interview during years 1395-1396. The results showed that the annual consumption of electricity and heat in the Karun sugar factory was 24 GWh and 890.83 tonnes steam respectively, which resulted in the emission of 195 tonnes of air pollutants with a social cost of 24.79 billion Rials. The net heat rate of the factory’s power plant calculated to be 27.15 MJ/KWh. Using 270,000 tonnes of surplus bagasse, there is the potential to generate 15.14% of total sugar plant energy and reduce 29,000 tonnes of pollutants per year. The rate of return and return time of the capital needed for modification the current boilers was 88.95% and 2 years respectively. Using bagasse instead of natural gas leads to 30.6 Billion Rials reduction in variable costs of the factory based on financial data of the year 1395.

کلیدواژه‌ها [English]

  • : Energy
  • Bagasse
  • Environmental
  • rate of return
  • Sugarcane
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