A Review of Application of Nanotechnology in Wastewater Treatment in Oil, Gas and Petrochemical Industries

Document Type : Original Article


1 School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 11155/4563, Iran

2 Department of Chemical Engineering, Faculty of Petroleum and Petrochemical Engineering, Hakim Sabzevari University, Sabzevar 9617976487, Iran



The increase in population and the expansion of industries have led to the pollution and reduction of many natural resources, including water resources. Widespread use of these resources in domestic, agricultural and industrial uses has led to the entry of pollutants and limited water resources. One of these industries is the oil and gas industry and related sectors, such as petrochemicals, which introduce many pollutants such as heavy metals, aromatics, etc. into water sources. Therefore, it is necessary to pay attention to the correct use of these resources and strategies for treatment and reuse of wastewater. Various methods are used for wastewater treatment such as flocculation, adsorption, filtration, etc., but each of them has some limitations such as low efficiency or high cost. The use of nanotechnology is one of the solutions that has recently been considered. This method improves performance by reducing the dimension of material to nanometers. There are different types of nanomaterials that due to their unique properties such as larger surface area, ability to work at low concentrations, etc., have great potential for treating contaminated water very effectively. Studies show they can be used in various forms such as nano-adsorbents, nano-membranes, nano-filters and nano-photocatalysts to remove or reduce contaminants specially from oil, gas and petrochemical wastewater. In this review, the importance and application of nanotechnology has been discussed in wastewater treatment in oil, gas and petrochemical.


Main Subjects

Article Title [Persian]

مروری بر کاربرد فناوری نانو در تصفیه آب و پساب صنایع نفت، گاز و پتروشیمی

Authors [Persian]

  • محمدرضا بسکابادی 1
  • زهرا رباط جزی 2
  • امید توکلی 1

1 دانشکده مهندسی شیمی، دانشکدگان فنی، دانشگاه تهران، 4563/11155، تهران، ایران

2 گروه مهندسی شیمی، دانشکده نفت و پتروشیمی، دانشگاه حکیم سبزواری، سبزوار 9617976487، ایران

Abstract [Persian]

افزایش جمعیت و گسترش صنایع منجر به آلودگی و کاهش بسیاری از منابع طبیعی از جمله منابع آب شده است. استفاده گسترده از این منابع در مصارف خانگی، کشاورزی و صنعتی منجر به ورود آلاینده‌ها و محدودیت منابع آبی شده است. یکی از این صنایع، صنعت نفت و گاز و بخش‌­های مرتبط با آن مانند پتروشیمی است که آلاینده‌­های زیادی مانند فلزات سنگین، آروماتیک و غیره را وارد منابع آبی می‌­کند. بنابراین توجه به استفاده صحیح از این منابع و راهکارهای تصفیه و استفاده مجدد از پساب ضروری است. روش­‌های مختلفی برای تصفیه پساب از جمله لخته سازی، جذب سطحی، فیلتراسیون و غیره استفاده می­‌شود که هر کدام دارای محدودیت­‌هایی مانند راندمان کم و یا هزینه بالا هستند. استفاده از فناوری نانو یکی از راهکارهایی است که اخیراً مورد توجه قرارگرفته است. این روش با کاهش ابعاد مواد به نانومتر، عملکرد را بهبود می­بخشد. انواع مختلفی از نانومواد وجود دارد که به دلیل خواص منحصر به فرد خود مانند سطح تماس بزرگ‌تر، توانایی کار در غلظت‌­های پایین و غیره، پتانسیل بالایی برای تصفیه مؤثر آب­‌های آلوده دارند. مطالعات نشان می‌دهد که می‌توان از آن‌ها در اشکال مختلف مانند نانوجاذب‌ها، نانوغشاها، نانوفیلترها و نانوفوتوکاتالیست‌ها برای حذف یا کاهش آلاینده‌ها به‌ویژه از پساب نفت، گاز و پتروشیمی استفاده کرد. در این بررسی به اهمیت و کاربرد فناوری نانو در تصفیه پساب نفت، گاز و پتروشیمی می‌­پردازیم.

Keywords [Persian]

  • فناوری نانو
  • صنایع نفت و گاز
  • تصفیه پساب
  • نانوغشا
  • نانوجاذب
  • نانوفوتوکاتالیست
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