طراحی زنجیره تامین سوخت های زیستی از پسماندهای فاضلاب شهری با هدف بهینه سازی سود پالایشگاه زیستی با رویکرد ترکیبی پویایی سیستم و بهینه سازی ریاضی (مطالعه موردی: تصفیه خانه فاضلاب جنوب تهران)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 کارشناسی ارشد برنامه‌ریزی سیستم‌های اقتصادی، دانشکده مهندسی صنایع و مدیریت، دانشگاه صنعتی شاهرود، شاهرود

2 استادیار اقتصاد، دانشکده مهندسی صنایع و مدیریت، دانشگاه صنعتی شاهرود، شاهرود، ایران

3 استادیار مهندسی صنایع، دانشکده مهندسی صنایع و مدیریت، دانشگاه صنعتی شاهرود، شاهرود، ایران

چکیده
انرژی از نیازهای بنیادین زندگی بشر می باشد. تولید، توزیع و مصرف بهینه انرژی همواره از سوالات اساسی در علم اقتصاد و برنامه ریزی بوده است. انرژی یکی از عوامل اصلی رشد و توسعه ی اقتصادی کشورها می باشد. تقاضای روزافزون بشر از انواع انرژی های موجود و منابع تجدید ناپذیر برای دستیابی به توسعه اقتصادی همواره با افزایش آلایندگی های زیست محیطی و بیماری های گوناگون برای زندگی انسانها مواجه بوده است. هدف این مطالعه مدلسازی زنجیره تامین سوخت های زیستی با استفاده از پسماندهای فاضلاب شهری در ایران بصورت استوار می باشد. به این منظور از ترکیب روش مدلسازی پویایی سیستم و مدل برنامه ریزی ریاضی عدد صحیح استفاده شده است. دوره ی مورد مطالعه در این پژوهش 1397-1388 و شبیه سازی آن تا سال 1410 در نظر گرفته شده است. فرضیات در نظرگرفته شده در این تحقیق عبارتست از: 1. با افزایش پرداخت یارانه به سوخت های سبز، قیمت سوخت سبز کاهش می یابد؛ 2. با افزایش نرخ تبدیل پسماند فاضلاب به سوخت، قیمت سوخت سبز کاهش می یابد؛ و 3. با افزایش قیمت زیست توده ظرفیت تولید زیست توده افزایش می یابد. همچنین با افزایش دو برابری قیمت سوخت سبز، ظرفیت تولید سوخت سبز به میزان 9/2 درصدافزایش می یابد. نتایج حاصل از شبیه سازی، طراحی یک زنجیره تامین بهینه از منابع زیست توده شهری و نیز بیشینه سازی سود پالایشگاه های زیستی کشور می باشد.

کلیدواژه‌ها

موضوعات

عنوان مقاله English

Designing the supply chain of biofuels from municipal sewage waste with the aim of optimizing the profit of bio-refinery with a combined approach of system dynamics and mathematical optimization (Case study: sewage treatment plant in the south of Teh

نویسندگان English

Ali Nekouee 1
MohammadReza ArmanMehr 2
Mohammad Rostami 3
1 Ma of Economic Systems Planning, Department of Industrial Engineering and Management, Shahrood University of Technology, Shahrood, Iran
2 Assistant Professor of Economics, Faculty of Industrial Engineering and Management, Shahrood University of Technology, Shahrood, Iran
3 Assistant Professor, Department of Industrial Engineering and Management, Shahrood University of Technology, Shahrood, Iran
چکیده English

Energy is one of the basic needs of human life. Production, distribution and optimal consumption of energy have always been one of the basic questions in economics and planning. Energy is one of the main factors of economic growth and development of countries. Human's ever-increasing demand for all kinds of available energy and non-renewable resources to achieve economic development has always faced an increase in environmental pollution and various diseases for human life. The aim of this study is to model the supply chain of biofuels using urban sewage waste in Iran. For this purpose, the combination of system dynamics modeling method and integer mathematical programming model has been used. The period studied in this research is 1388-1397 and its simulation is considered until 1410. The assumptions considered in this research are: with the increase in the payment of subsidies to biofuels, the price of biofuel will decrease; with the increase in the conversion rate of sewage waste into fuel, the price of biofuel will decrease; and with the increase in the price of biomass, Biomass production capacity increases. Also, by doubling the price of green fuel, the production capacity of green fuel increases by 2.9 percent. The results of the simulation are the design of an optimal supply chain of urban biomass resources and also the maximization of the profit of the country's biological refineries.

کلیدواژه‌ها English

renewable energy
urban sewage waste
biofuels
system dynamics
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