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Candle soot-coated egg carton material for oil water separation and detergent adsorption
Bulletin of Materials Science ( IF 1.8 ) Pub Date : 2019-12-17 , DOI: 10.1007/s12034-019-1981-3
Puneet Azad , Samriddhi Raut , Rahul Vaish

A hydrophobic and superoleophilic adsorbent was prepared by coating candle soot (CS) on the surface of a recycled egg carton material (ECM). This waste material has been explored as a cost-effective adsorbent to remove oil and detergent from water. The surface of the material was coated with CS solution prepared by mixing soot with acetone and characterized by scanning electron microscopy and contact angle measurements. The rate of fall of contact angle for water and oil was evident of water rejection and oil absorption capability of the coated-waste material. Further, the effect of temperature on the contact angle between water and surface was observed. The carbon-coated ECM demonstrates good absorption capacity with oils of different densities, without pre-treatments and surface modifications. It also shows its capability to absorb detergent from water with a pH value declining towards 7. Thus, a waste material can act as an effective alternative for filtering of oil and detergent water for households and industries.

中文翻译:

用于油水分离和洗涤剂吸附的蜡烛烟灰涂层鸡蛋纸盒材料

通过在回收的鸡蛋纸盒材料 (ECM) 的表面涂覆蜡烛烟灰 (CS) 来制备疏水性和超亲油性吸附剂。这种废料已被探索作为一种具有成本效益的吸附剂来去除水中的油和清洁剂。材料表面涂有通过将烟灰与丙酮混合制备的 CS 溶液,并通过扫描电子显微镜和接触角测量进行表征。水和油接触角的下降速度明显地反映了包覆废料的拒水和吸油能力。此外,观察到温度对水和表面之间的接触角的影响。碳涂层 ECM 对不同密度的油表现出良好的吸收能力,无需预处理和表面改性。
更新日期:2019-12-17
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