从羽毛生物质中制造新型功能化 CNC 交联增强吸附剂，用于高效去除金属。
Fabrication of a novel functional CNC cross-linked and reinforced adsorbent from feather biomass for efficient metal removal.
机构信息
Engineering Research Center for Eco-Dyeing and Finishing of Textiles, College of Materials and Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang, China; Key Laboratory of Clean Dyeing and Finishing Technology of Zhejiang Province, Shaoxing University, Shaoxing, Zhejiang 312000, China.
Engineering Research Center for Eco-Dyeing and Finishing of Textiles, College of Materials and Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang, China.
出版信息
Carbohydr Polym. 2019 Oct 15;222:115016. doi: 10.1016/j.carbpol.2019.115016. Epub 2019 Jun 21.
In this research, an innovative biomass derived spongy adsorbent was fabricated by adopting dialdehyde cellulose nanocrystals (DCNC) as crosslinking and reinforcing building block, which showed high mechanical strength, satisfying adsorption performance and good recyclability. The improved shape integrity and specific surface area resulted from DCNC incorporation contribute to high adsorption performance of this sponge. Adsorption behaviors of the adsorbent were comprehensively studied. The q for Pb and Cd by the adsorbent could reach as high as 767 and 517 mg/g, respectively. Also, this adsorbent showed excellent recyclability. In addition, the adsorbent exhibited satisfying fixed-bed column adsorption performance. Thus, it could be considered as promising high efficiency adsorbent.
在这项研究中，采用二醛纤维素纳米晶体（DCNC）作为交联和增强结构单元，制备了一种创新性的生物量衍生的海绵状吸附剂，该吸附剂具有较高的机械强度、令人满意的吸附性能和良好的可回收性。DCNC 的加入提高了形状完整性和比表面积，从而提高了海绵的吸附性能。对吸附剂的吸附行为进行了综合研究。吸附剂对 Pb 和 Cd 的吸附量分别高达 767 和 517mg/g。此外，该吸附剂还表现出优异的可回收性。此外，该吸附剂在固定床柱吸附性能方面表现出色。因此，它可以被认为是一种很有前途的高效吸附剂。
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