امکان‌سنجی استفاده از فضولات جامد گاوی برای تولید برق در بخش کشاورزی شهرستان مشهد و تأثیر آن بر کاهش آلاینده‌های محیط زیست در افق 1414 شمسی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانش آموخته گروه مهندسی بیوسیستم دانشکده ی کشاورزی دانشگاه تهران

2 عضو هیئت علمی دانشگاه تهران

3 دانشگاه تهران

4 دانشیار گروه ماشینهای کشاورزی و مکانیزاسیون مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی خراسان رضوی

چکیده

زندگی انرژی‌بر بشر امروزی باعث شده است تا منابع مختلف تأمین انرژی مورد بررسی و استفاده قرار بگیرند. استفاده از منابع انرژی تجدیدپذیر برای تولید پراکنده‌ برق با توجه به هزینه بر بودن احداث خطوط انتقال برق در نقاط دور دست که دسترسی به آن‌ها دشوار است، همچنین حفظ محیط زیست و کاهش آلودگی، اهمیت فراوانی دارد. یکی از این منابع، زیست توده (بیوماس) است که فضولات جامد گاوی یکی از زیر مجموعه‌های آن است. در این تحقیق ابتدا تعداد گاوهای شهرستان مشهد تخمین زده شد. سپس میزان برق‌ مصرفی در بخش کشاورزی، برای 1414 شمسی تخمین زده شد. در نهایت با توجه به انرژی قابل استحصال از فضولات جامد گاوی، سهم تأمین انرژی بخش کشاورزی به‌دست آمد. برای شهرستان مشهد، در سال 1414 تولید برق از فضولات جامد گاوی حدود 6797 مگاوات­‌ساعت و انرژی مورد نیاز برای بخش کشاورزی 12342019 مگاوات­ساعت تخمین زده شد که تأمین انرژی با کمک فضولات جامد گاوی کمتر از یک دهم درصد انرژی مورد نیاز است. لذا بهتر است از این منبع انرژی در تولید حرارت مورد نیاز و یا تولید پراکنده‌ برق استفاده شود و سایر منابع زیست توده نیز برای تأمین انرژی، مورد بررسی و استفاده قرار گیرند.

کلیدواژه‌ها


عنوان مقاله [English]

Feasibility Study of Using Cow Dung to Generate Electricity for Agricultural Sector in Mashhad County and its Impact on Decreasing Environmental Pollutions in 2035

نویسندگان [English]

  • Hanifreza Motamed Alshariati 1
  • hossein mobli 2
  • Mohammad Sharifi 3
  • Saeed Zarifneshat 4
1 PhD graduated of Biosystem department of University of Tehran
3 University of Tehran
4 Dep.of farm machinery& mechanization Khorasan Razavi Agricultural and Natural Resources Research and Education Center, AREEO, Mashhad-Iran
چکیده [English]

Today's energy-intensive human life, caused investigating different sources of energy supply. It is extremely important to use renewable energy sources to generate scattered electricity, due to the high cost of electricity transmission lines, and also necessity of pollution reduction and environmental protection. One of the sustainable energy resources is biomass, which cow dung is a subset of it. In this study, the number of the cows in the Mashhad County were estimated. Also, the electricity consumption in agricultural sector of Mashhad County was estimated for the year 2035. Finally, according to the available energy from cow dung, the possible energy supply was calculated for agricultural sector of the region. Electricity production from cow dung and energy needed in agricultural sector for Mashhad was estimated to be 6797 and 12342019 MWh, in 2035, respectively. Therefore, the amount of energy from cow dung is less than 0.1 percent of the energy needed. This source of energy (cow dung) is recommended for producing thermal use or scattered electricity. The use of other sources of biomass could be a solution to provide some part of energy demand from clean resources.

کلیدواژه‌ها [English]

  • Biogas
  • Biomass
  • CO2 emission
  • Pollution
  • Renewable energy
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