بررسی اثرات زیست‌محیطی و ارزیابی جریان انرژی در تولید پامچال گلخانه‌ای با رویکرد تقاضای انرژی تجمعی و تقاضای اکسرژی تجمعی

نوع مقاله: مقاله پژوهشی

نویسندگان

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

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

چکیده

مطالعه حاضر با فراهم آوردن فهرست موجودی چرخه زندگی تولید گل پامچال گلخانه­ای به تجزیه و تحلیل جریان انرژی تولید این محصول با استفاده از روش تقاضای انرژی و اکسرژی تجمعی پرداخته است. داده­های لازم از طریق پرسش­نامه و مصاحبه­ حضوری از گلخانه­داران در ساوجبلاغ جمع­آوری شد. بر اساس نتایج، میزان کل شاخص تقاضای انرژی و اکسرژی تجمعی برای تولید یک بوته گل پامچال به­ترتیب 45/8 و 24/8 مگاژول محاسبه شد. در بین گروه­های اثر روش تقاضای انرژی تجمعی، گروه اثر منابع غیرتجدیدپذیر- فسیلی با 43/8 مگاژول بیش­ترین سهم را به خود اختصاص داده بود که 66 درصد ناشی از مصرف انرژی مستقیم درون گلخانه بوده است. همچنین20/8 مگاژول از تقاضای اکسرژی تجمعی، ناشی­ از گروه اثر منابع غیرتجدیدپذیر-فسیلی بود که مصرف انرژی مستقیم درون گلخانه، مهم­ترین نقش را در آن داشت.مصرف انرژی به­ازای تولید یک بوته گل پامچال منجر­به نشر 20576/0 کیلوگرم معادل کربن دی­اکسید شده است.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Environmental Impact and Energy Flow Assessment in Greenhouse Primrose Production Using Cumulative Energy Demand and Cumulative Exergy Demand Approach

نویسندگان [English]

  • Tahereh Salehpour 1
  • Majid Khanali 1
  • Ali Rajabipour 2
1 Department of Agricultural Machinery Engineering, Faculty of Agricultural Engineering and Technology, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
2 Department of Agricultural Engineering, Faculty of Engineering and Technology, College of Agriculture and Natural Resources, Tehran University
چکیده [English]

The present study analyzed the energy flow of this product by the cumulative energy demand (CED) and cumulative exergy demand (CExD) method by providing a life cycle inventory of greenhouse Primrose production. The required data through interviews and questionnaires were collected from greenhouse owners in Savojbolagh. Based on the results, the total CED and CExD values for one bush of Primrose were calculated as 8.45 and 8.24 MJ eq., respectively. Among the impact categories of the CED method, non-renewable-fossil had the largest share with 8.43 MJ eq. that 66% of it was related to direct energy consumption in the greenhouse. Also, 8.20 MJ eq. CExD was related to the non-renewable-fossil impact category that direct energy consumption in the greenhouse had the most important role in it. The energy consumption for the production of one bush of Primrose resulted in the emission of 0.20576 kg of carbon dioxide equivalent.

کلیدواژه‌ها [English]

  • Environmental impacts
  • Energy
  • Cumulative exergy demand
  • Cumulative energy demand
  • Ornamental flower
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