蜗牛
废水
壳体(结构)
污水处理
材料科学
环境科学
废物管理
工程类
复合材料
生态学
生物
作者
Nguyễn Thị Hồng Nhung,Vo Dinh Long,Toyohisa Fujita
出处
期刊:Materials
[MDPI AG]
日期:2023-01-27
卷期号:16 (3): 1095-1095
被引量:1
摘要
Sea material is becoming increasingly popular and widely used as an adsorbent in wastewater treatment. Snail shell, a low-cost and natural animal waste material, has been shown to have a high calcium content (>99%) and a large potential surface area for the development of sustainable adsorbents. This paper presents a novel synthesis of methods for using snail shell absorbent materials in the treatment of wastewater containing heavy metals, textile dyes, and other organic substances. Modified biochar made from snail shells has gained popularity in recent years due to its numerous benefits. This paper discusses and analyzes modification methods, including impregnating with supplements, combining other adsorbents, synthesis of hydroxyapatite, co-precipitation, and the sol-gel method. The analysis of factors influencing adsorption efficiency revealed that pH, contact time, temperature, initial concentration, and adsorbent dose all have a significant impact on the adsorption process. Future research directions are also discussed in this paper as a result of presenting challenges for current snail adsorbents.
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