期刊
MATTER
卷 4, 期 4, 页码 1274-1286出版社
CELL PRESS
DOI: 10.1016/j.matt.2021.01.017
关键词
-
资金
- National Natural Science Foundation of China [21875011, 51922018, 51673010]
- National Key Research and Development Program of China [2017YFA0206904]
Treatment of oily wastewater is crucial due to its threat to drinking water safety, the environment, and human health. A solar-driven device inspired by plant transpiration has been developed, showing high purification efficiency towards various nano/submicrometer-emulsion oily wastewaters. This device can also produce fresh water from oily seawater and acid-base-corrosion oily water, highlighting its potential in addressing oily wastewater treatment challenges.
Oily wastewater treatment has attracted considerable attention because the wastewater poses a serious threat to the safety of drinking water, the ecological environment, and human health. Although significant progress has been made with regard to the development of superwettable separation membranes, there is a need for addressing the challenges that arise with the treatment of nano/submicrometer-emulsion oily water, oily seawater, and acid-base-corrosion oily wastewater. Herein, inspired by plant transpiration, a solar-driven device is developed that is based on wood, polyvinyl alcohol), and hydroxylated multiwalled carbon nanotubes; this device demonstrates a purification efficiency of up to 99,7% toward various nano/submicrometer-emulsion oily wastewaters. Remarkably, owing to the outstanding desalination capacity and robust acid-alkali tolerance, the prepared device achieved a one-step production of fresh water from oily seawater and acid-base-corrosion oily water. Therefore, the development of this device provides a method for treating oily wastewater to produce fresh water.
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