رویکردهایی جهت کاهش مصرف آب در صنایع فرآیندی با تاکید بر صنعت پالایش نفت

نوع مقاله: علمی ترویجی

نویسنده

دانشگاه تهران

چکیده

در این مقاله مروری بر پژوهش های ارائه شده در زمینه طراحی یکپارچه شبکه آب در صنایع فرآیندی انجام گرفته است. در ابتدا به تعریف مسئله سنتز شبکه آب پرداخته شده و در دو گروه اصلی الف) بار جرمی ثابت و ب) شدت جریان ثابت تقسیم بندی شده است. جهت حل مسائل سنتز شبکه آب دو رویکرد پینچ آبی و بهینه سازی ریاضی استفاده می شود که پژوهش های منتشر شده در هر دو زمینه بررسی شده اند. در پایان شبکه مصرف آب و آلاینده های محدود کننده استفاده مجدد از آب در پالایشگاه نفت بررسی شده و تعدادی از مهمترین پژوهش های انجام شده برای حل این مسئله در پالایشگاه نفت از منظر تعداد آلاینده های کلیدی، نوع مسئله و رویکرد حل آن نشان داده شده اند. گزارش های متعدد نشان می دهد استفاده از آنالیز پینچ آب موجب کاهش قابل توجه مصرف آب در صنایع فرآیندی شده است.

کلیدواژه‌ها


عنوان مقاله [English]

Approaches to decrease water consumption in process industries with an emphasis on the oil refining industry

چکیده [English]

In this paper, a review has been conducted on integrated design of water network in process industries. First, the concept of water network synthesis has been defined and categorized in the two main groups of (i) Fixed mass load and (ii) fixed flow rate. In order to solve water network synthesis problems, two water pinch and mathematical optimization approaches are being used and the published researches related to each of these approaches are reviewed. In the end, the water consumption network and the limiting pollutants of water reuse in oil refinery are studied and some of the most important researches about solving this problem in oil refinery are presented considering different aspects such as the number of key pollutants, problem description and their solving approach points of view. Some studies reported that Water Pinch Analysis and could reduce water consumption in process significantly.

کلیدواژه‌ها [English]

  • Closed-Circuit Water System
  • Water Pinch Analysis
  • Mathematical optimization
  • Water recovery
  • Process industries
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