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Mar 23, 2020

ACS Spring 2020 National Meeting & Expo

Oil/water separation by using the photopolymerized porous hydrophobic and oleophilic materials

Removal of organic contaminants

water

Oil

Separation

Abstract

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567

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Abstract

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Keywords

Removal of organic contaminants

water

Oil

Separation

Abstract

The water pollution due to oil and organic contaminants has emerged as a major environmental issue. Oil and organic pollution are contributed by various industries, household activities, and offshore oil production. History has witnessed some major devastating oil spill incidents during the rapid offshore oil movement. The oil-related contaminants can stay for a longer time and have a severe adverse effect on marine and human life. The conventional methods are facing problems due to their high cost, inefficiency, and source of secondary contaminants. There is a dire need to develop new efficient materials that can effectively separate the oil from water and has the capacity to scale up.<br/>One of the possible ways to separate the oil contaminants from the water by using porous hydrophobic and oleophilic surfaces. The hydrophobic and the oleophilic surfaces allow the passage of oil or non-polar organic contaminants from the water. The challenge associated with the development of hydrophobic surfaces is the complexity in synthesis and its stability. Synthesis of material through the naturally available sources is always attractive.<br/>The natural sunlight is an abundant natural source that carried out the great potential to drive the chemical reactions under a certain set of conditions. We built an amazing cost-efficient synthetic route by harvesting the natural sunlight to develop the hydrophobic surfaces that allowed the fast passage of the oil and prevented the water to pass. This was achieved by introducing the glass reactor and the suitable monomer that display the capacity to polymerize under the sunlight radiations.<br/>In brief, hydrophobic surfaces were prepared by harvesting the natural sunlight that initiated the polymerization of the styrene on the selected porous substrate in a glass reactor. This provides an extremely cost-effective route to prepare the hydrophobic surfaces. The surface area can be improved by adding various nanomaterials. The surfaces prepared by through this route can display the contact angle in the range of 126 ± 4° to 161° ± 2° according to the functionalities. The separation efficiency can be achieved for the various oil/water-based system in the range of 96 to 99 %. The developed porous materials can be used for the continuous separation of the oil spills and the spot absorption of the oil from the water.

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© Copyright 2019 Morressier GmbH.
All rights reserved.