ارزیابی سامانه نمک‌زدایی غشایی خورشیدی (PV-RO)، مطالعه موردی: روستاهای حومه استان فارس، شهرستان شیراز

نوع مقاله : مقاله پژوهشی

نویسندگان

1 مکانیک بیوسیستم دانشکده کشاورزی دانشگاه تربیت مدرس تهران ایران

2 بخش مهندسی آب، مرکز مطالعات خشکسالی، دانشکده کشاورزی، دانشگاه شیراز، شیراز، ایران

چکیده

کاهش منابع آب تجدیدپذیر و خشک‌سالی‌، بسیاری از نقاط ایران از جمله استان فارس را با بحران جدی تأمین آب شرب روبه‌رو کرده است. باتوجه‌به اینکه بسیاری از منابع آبی موجود در سطح استان فارس و حومه شهرستان شیراز از نظر کیفیت به حالت لب‌شور درآمده است، یکی از راه‌حل‌های کارآمد به‌منظور تأمین آب شرب افراد ساکن روستاها با جمعیت محدود در این مناطق، نمک‌زدایی است. در این تحقیق، یک سامانه نمک‌زدایی غشایی خورشیدی (PV-RO) در سال 1399، طراحی و ساخته شد و به‌منظور ارزیابی آن از سه منطقه؛ مرکز تحقیقات کشاورزی زرقان، روستای سلطان‌آباد و روستای کمال آباد نمونه آب جمع‌آوری گردید. نتایج نشان داد، امکان تأمین آب شرب روزانه 146 نفر در منطقه اول موردمطالعه، 122 نفر در منطقه دوم و 50 نفر نیز در منطقه سوم با احتساب نیاز L/day 10 برای هر فرد وجود دارد. بیشینه دبی تولید آب شیرین L/h 61 با درصد بازیافت 41% و انرژی موردنیاز به‌ازای یک متر‌مکعب آب شیرین kWh/m3 98/1 است و در نهایت هزینه تولید هر متر‌مکعب آب شیرین برابر 180،000 ریال تعیین شد؛ بنابراین امکان کاربرد این سامانه در منطقه موردمطالعه جهت تأمین آب شرب در شرایط خشک‌سالی‌ با راندمان مطلوب وجود دارد.

کلیدواژه‌ها


عنوان مقاله [English]

Evaluation of Photovoltaic Reverse Osmosis Desalination System (PV-RO), Case Study: Suburban Villages of Fars Province, Shiraz

نویسندگان [English]

  • Shahdad Kamfiroozi 1
  • Rezvan Talebnejad 2
1 Biosystems Engineering Department, Faculty of Agriculture, Tarbiat Modares University (TMU), Tehran, Iran
2 Water Engineering Department,,, Drought Research Center, Shiraz University, Shiraz, Iran
چکیده [English]

The reduction of renewable and fresh water resources has resulted in a drinking water supply deficit in many parts of Iran, including Fars province. Considering that most of the water resources in Fars province and the suburbs of Shiraz city have become saline, one of the efficient solutions to supply drinking water to people living in villages with limited population is desalination. In this research, a photovoltaic reverse osmosis desalination system (PV-RO) was designed and built. Three saline water samples from; Zarghan Agricultural Research Center, Sultanabad village, and Kamalabad village were collected for evaluation of the desalination system in 2021. The results showed that it is possible to supply daily drinking water of 10 liters per capita for 146 people in the first study area, 122 people in the second area, and 50 people in the third area. The maximum flow rate of permeate water production is 61 L/h with a 41% recovery factor. Moreover, the required energy for desalination is 1.98 kWh/m3, and the permeate water production cost per cubic meter of fresh water is determined as 180,000 Rials. Therefore, it is possible to use this system in the study area to supply drinking water under drought conditions with reasonable efficiency.

کلیدواژه‌ها [English]

  • drinking water
  • reverse osmosis desalination efficiency
  • Solar energy
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