کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
623222 1455340 2015 11 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Pilot demonstration of concentrated solar-powered desalination of subsurface agricultural drainage water and other brackish groundwater sources
ترجمه فارسی عنوان
تظاهرات خلبان از مرطوب شدن خورشید عمدتا از آب زاینده زراعی زیرزمینی و دیگر منابع آب زیرزمینی سرسال
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تصفیه و جداسازی
چکیده انگلیسی


• A novel renewable-energy powered desalination system is developed and piloted.
• The system integrates an open-cycle heat pump with multi-effect distillation.
• A large parabolic trough solar concentrator is used to power the process system.
• A 49% reduction in thermal energy consumption is demonstrated.
• High scaling propensity agricultural drainage water is desalinated for reuse.

The energy–water nexus is addressed with the experimental demonstration of a solar-powered desalination process system. This system was designed for high-recovery treatment of subsurface agricultural drainage water as a reuse strategy as well as other brackish groundwater sources. These water sources may exhibit wide fluctuations in salinity and makeup and pose a high risk for operational troubles due to high scaling potential. A first-of-its-kind open-cycle vapor-absorption heat pump is coupled with a multiple-effect distillation train and a large parabolic trough solar thermal concentrator. Without the heat pump, the distillation operation showed a minimum thermal energy consumption of 261.87 kWhth/m3. With the heat pump, the thermal energy consumption was reduced by more than 49% to 133.2 kWhth/m3. This reduction in thermal energy requirement directly translates into a 49% reduction in solar array area required to power a process with the same freshwater production rate as a system without an integrated heat pump. An optimized design was modeled and the thermal energy performance of a commercial system is projected at 34.9 kWhth/m3 using a 10-effect MED operating at 85% recovery.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Desalination - Volume 355, 1 January 2015, Pages 186–196
نویسندگان
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