坚果壳基活性炭制备及其在废水处理中应用的研究进展
2021-01-12王文林宋海云刘灿谭秋锦黄锡云贺鹏张涛施蕊王文栋
王文林 宋海云 刘灿 谭秋锦 黄锡云 贺鹏 张涛 施蕊 王文栋









摘 要:活性炭吸附技术是减少污染物进入水体的一种有效方式,坚果壳基量大且廉价,使用坚果壳基制备活性炭可降低废水处理的成本生产。本文综述了坚果壳基活性炭在废水处理中的研究进展,对比新开发的活性炭在模拟废水中对不同污染物(包括染料、重金属离子、有机污染物、药品及个人护理产品等)的吸附效率。坚果壳基活性炭是一种可用于废水处理的吸附剂,但是距离大规模应用尚需时日,需要更深入研究。
关键词:坚果壳;活性炭;废水处理
中图分类号:TQ424.1;X792 文献标志码:A
Research Progress on Preparation of Nutshell-based Activated Carbon and Its Application in Wastewater Treatment
WANG Wenlin1,SONG Haiyun1,LIU Can2,TAN Qiujin1,HUANG Xiyun1,
HE Peng1,ZHANG Tao1,SHI Rui2,WANG Wendong2*
(1Guangxi South Subtropical Agricultural Science Research Institute, Chongzuo, Guangxi 532200, China; 2National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources; College of Materials Science and Engineering, Southwest Forestry University, Kunming,Yunnan 650224, China)
Abstract: Adsorption technique is an effective method of reducing pollutants into water. To use nutshell which has big amount and low price for preparation of activated carbons will lower the cost of wastewater treatment. This paper summarizes the recent development and application of activated carbon synthesized from nutshell in wastewater treatment. Adsorption efficiencies of newly developed activated carbons in treatment of different pollutants (including dyes, heavy metal ions, organic pollutants, pharmaceutical and personal care products) in simulated and real wastewater are also tabulated for easy reference. Nutshell-based activated carbon is a potential adsorbent for wastewater treatment, but it is still some way from large-scale use, and still needs further research.
Key words: Nutshell; activated carbon; wastewater treatment
隨着经济的发展,工业生产过程中产生的污染物大多是金属离子或难以降解的有机分子,这些污染物的存在使水不适合饮用和应用于工业生产。而且,它们在自然水域中持续残留,使得水污染更加严重。国际组织的报告和统计数据显示,目前全球70%的淡水用于灌溉和粮食生产,预计40年后随着全球人口增长,淡水消耗(包括养殖和灌溉农业)将增加19%[1]。此外,许多污染物会随着污水进入地下淡水水源,从而影响人们饮用水的质量,加重全球的供水压力。一些发展中国家70%的工业废弃物未经处理直接排入水中,废水会进入河流、湖泊和沿海地区,危及粮食和饮用水安全[1,2]。如果不采取措施来治理水污染,预计到2025年,世界上三分之二的人口将面临水资源短缺的情况,届时淡水资源由于水质差而无法满足人类的需求[2]。……
