New Generation Nanoadsorbents and Conventional Techniques for Arsenic Removal from Waters

Veyis Karakoç, Erol Erçağ
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Abstract

Nowadays, with excessive use due to rapid population growth, growing industry, and technological developments, environmental pollution is also increasing and is reaching a point where it threatens the health of humans. The alarming increase in environmental pollution is mostly seen in the form of water pollution. Water pollution has reached levels that threaten human health. There are difficulties in accessing clean water in many parts of the world as a result of restricting the use of natural water resources polluted by both human activities and natural causes. Therefore, intense efforts are made to remove especially heavy metals and other harmful substances that pollute water. Among these toxic heavy metals threatening the health of humans, arsenic is at the top of the list as the most dangerous one. In recent years, many methods and techniques have been developed in addition to classical methods for removing pollutants from water. In this study, conventional methods used in the treatment of arsenic-contaminated waters, the difficulties encountered in the removal process, and the advantages and disadvantages of the methods were critically reviewed in the light of current and past information. In addition, detailed comparative information is given about nano-sized adsorbents, which is an innovative approach used in the adsorption method, one of the arsenic removal methods.
新一代纳米吸附剂和传统技术去除水中的砷
如今,随着人口的快速增长、工业的不断发展以及技术的发展,人们对环境的过度使用,环境污染也日益严重,已经到了威胁人类健康的地步。环境污染的惊人增长主要体现在水污染方面。水污染已达到威胁人类健康的程度。由于限制使用受人类活动和自然原因污染的天然水资源,世界上许多地方都难以获得清洁的水。因此,人们大力清除污染水源的重金属和其他有害物质。在这些威胁人类健康的有毒重金属中,砷是最危险的一种。近年来,除了传统的去除水中污染物的方法外,还开发了许多方法和技术。在本研究中,根据当前和过去的信息,对用于处理砷污染水体的传统方法、去除过程中遇到的困难以及这些方法的优缺点进行了严格审查。此外,还提供了有关纳米级吸附剂的详细比较信息,这是吸附法中使用的一种创新方法,也是除砷方法之一。
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