ارزیابی جریان انرژی و اثرات زیست محیطی تولید کیک در استان گیلان با رویکرد ارزیابی چرخه زندگی

نوع مقاله: مقاله پژوهشی

نویسندگان

1 گروه مهندسی ماشین های کشاورزی، دانشکده مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج

2 گروه مهندسی ماشین‌های کشاورزی، دانشکده مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج.

3 گروه مهندسی ماشین‌های کشاورزی، دانشکده مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران

4 گروه مهندسی ماشین های کشاورزی،دانشکده مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران

5 گروه مکانیزاسیون کشاورزی، دانشکده مهندسی زراعی و عمران روستایی، دانشگاه علوم کشاورزی و منابع طبیعی خوزستان، اهواز.

چکیده

در این تحقیق مصرف انرژی و انتشار آلاینده­های زیست محیطی تولید کیک با روش ارزیابی چرخه زندگی در استان گیلان مطالعه و بررسی شد. داده­های لازم از طریق پرسش­نامه و مصاحبه­ حضوری از 21 کارخانه تولید کیک در گیلان جمع­آوری شد. انرژی معادل نهاده­ها و ستانده با استفاده از ضرایب انرژی نهاده­ها به­دست آمد. نتایج این پژوهش نشان داد که مقدار 57/62670 مگاژول انرژی برای تولید هر تن کیک مصرف شده­ است. بیشترین سهم انرژی مصرفی به گاز طبیعی با 30931 مگاژول اختصاص داشت. بررسی شاخص­های انرژی نشان داد که بازده مصرف انرژی در تولید کیک در گیلان 2872/0 است. نتایج ارزیابی چرخه زندگی نشان داد در تولید کیک 49/13099 کیلوگرم کربن دی­اکسید معادل به هوا منتشر شده است که در حدود 86 درصد  از آن ناشی از فعالیت­های خارج از کارخانه و بقیه مربوط به احتراق گاز طبیعی جهت پخت کیک است.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Evaluating the Energy Flow and Environmental Effects of Cake Production in Guilan Province by Life Cycle Assessment Approach

نویسندگان [English]

  • Majid Khanali 1
  • Asadollah Akram 2
  • Mahdieh Mohammadnia Galeshklamei 3
  • homa hosseinzadeh-bandbafha 4
  • behzad elhami 5
1 Department of Agricultural Machinery Engineering, Faculty of Agricultural Engineering and Technology, University of Tehran, Karaj.
2 Department of Agricultural Engineering, Faculty of Engineering and Technology, College of Agriculture and Natural Resources, Tehran University
3 Department of Agricultural Engineering, Faculty of Engineering and Technology, College of Agriculture and Natural Resources, Tehran University
4 Department of Agricultural Machinery, Faculty of Agricultural Engineering and Technology, College of Agriculture and Natural Resources, Tehran University
5 Department of of Agricultural Mechanization, Department of Agricultural Machinery Engineering, Ramin Agriculture and Natural Resources University of Ahvaz.
چکیده [English]

In this study, the energy consumption and environmental emissions for cake production were studied using life cycle assessment in Guilan Province. Necessary data using questionnaires and interviews was gathered from 21 factories of cake production. Equivalent energy of inputs and outputs was obtained using coefficients of energy. The results of this study showed that 62670.57 MJ of energy was consumed for the production of one ton of cake. The highest share of energy consumption allocated to natural gas with 30931 MJ. Evaluation of energy indices showed that energy efficiency in the production of cake in Guilan is 0.2872. The results of life cycle assessment showed that in cake production 13099.49 kg CO2 eq.  is released into the air that about 86 percent of that was related to activities outside of the factory and the rest was related to the combustion of natural gas for cooking cake.

کلیدواژه‌ها [English]

  • Cake
  • Energy
  • Energy indicators
  • Environmental indicators
  • Life Cycle Assessment

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