نشاء علم

نشاء علم

مدیریت انرژی پایدار از لجن شورزدایی آب دریا با رویکرد اقتصاد چرخشی

نوع مقاله : مقاله ترویجی

نویسندگان
1 دانشکده فیزیک، دانشگاه علم و صنعت ایران، تهران، ایران
2 دانشکده مهندسی عمران- مهندسی محیط‏زیست، دانشگاه صنعتی امیرکبیر، تهران، ایران
3 گروه جغرافیای طبیعی، دانشکده جغرافیای دانشگاه تهران، تهران، ایران
چکیده
در سال‏های اخیر با افزایش جمعیت جهان، تقاضا برای آب شیرین در حال افزایش است و فرآیند شوری‏زدایی از آب دریا به‏عنوان یک منبع نامتعارف آب شیرین، مورد توجه جهانی قرار گرفته است. پسماند غلیظ حاصل از فرآیند شوری­زدایی از آب دریا که لجن نامیده می‏شود، به دلیل ملاحظات محیط­زیستی ناشی از دفع آن در خاک و رعایت استانداردهای قانونی برای بازگردانی آن به دریا، یافتن روشی مناسب برای مدیریت پایدار لجن ضروری است. در این تحقیق به بررسی و مقایسه روش‏های مختلف بازیافت لجن حاصل از تصفیه آب دریا پرداخته شده است. روش‏های بازیافت بر اساس مفهوم اقتصاد چرخشی شامل استفاده مجدد از لجن به‌عنوان منعقدکننده‏ها، در صنعت کشاورزی، در ساخت‏و‏ساز و در قطعات الکترونیکی جهت ذخیره انرژی است. بررسی‏ها نشان داده است که براساس رشد فزاینده طراحی و پیاده­سازی سامانه­های آب­شیرین­کن دریا، تبدیل لجن تولیدشده در سیستم­های شوری‏زدایی از آب دریا به محصولات دارای ارزش‏افزوده، می‌تواند یک روش جایگزین بسیار مناسب و سازگار با محیط­زیست برای مدیریت پایدار آن باشد.
کلیدواژه‌ها

عنوان مقاله English

Sustainable energy management from seawater desalination sludge with a circular economy approach

نویسندگان English

Asieh Sadat Kazemi 1
Mahsa Shahi 2
Seiyed Mossa Hosseini 3
1 Department of Physics, Iran University of Science and Technology (IUST), Tehran, Tehran, Iran.
2 Civil and Environmental Engineering Department (CEE), Amirkabir University of Technology (Tehran Polytechnic), Hafez Ave., 424, 15875-4413, Tehran, Iran.
3 Physical Geography Department, Faculty of Geography, University of Tehran, Tehran, Iran
چکیده English

In recent years, the demand for fresh water has been increasing with the increase in the world population and seawater desalination has attracted global attention. The concentrated waste resulting from the desalination process of seawater is called sludge. Since the disposal of sludge in the environment is limited due to factors such as high disposal costs, and some legal restrictions, it is necessary to find a suitable method for managing seawater treatment sludge. In this study, various methods of recycling sludge from seawater treatment have been investigated and compared. Recycling methods based on the concept of circular economy include the reuse of sludge as coagulants, in the agricultural and construction industries and in fabrication of electronic energy storage devices. Studies have shown that converting bulky sludge produced in seawater treatment systems into value-added products can be a very suitable and environmentally friendly alternative method for sludge management.

کلیدواژه‌ها English

Seawater Desalination Sludge
Circular Economy
Coagulant
Agriculture
Construction
Energy Storage
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  • تاریخ دریافت 05 اردیبهشت 1404
  • تاریخ بازنگری 17 اردیبهشت 1404
  • تاریخ پذیرش 20 اردیبهشت 1404