Groundwater arsenic contamination: impacts on human health and agriculture, ex situ treatment techniques and alleviation

被引:5
|
作者
Patel, Bhavi [1 ]
Gundaliya, Rohan [1 ]
Desai, Bhavya [1 ]
Shah, Manan [2 ]
Shingala, Jainish [3 ]
Kaul, Daya [1 ]
Kandya, Anurag [1 ]
机构
[1] Pandit Deendayal Energy Univ, Sch Technol, Dept Civil Engn, Gandhinagar, Gujarat, India
[2] Pandit Deendayal Energy Univ, Dept Chem Engn, Sch Technol, Gandhinagar, Gujarat, India
[3] Pandit Deendayal Energy Univ, Sch Petr Technol, Gandhinagar, Gujarat, India
关键词
Drinking water; Water pollution; Sources of pollution; Decontamination; Mitigation strategies; PERMEABLE REACTIVE BARRIERS; WEST-BENGAL; DRINKING-WATER; LUNG-CANCER; HEAVY-METALS; REMOVAL; OXIDATION; EXPOSURE; SYSTEM; RISKS;
D O I
10.1007/s10653-022-01334-5
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Groundwater is consumed by a large number of people as their primary source of drinking water globally. Among all the countries worldwide, nations in South Asia, particularly India and Bangladesh, have severe problem of groundwater arsenic (As) contamination so are on our primary focus in this study. The objective of this review study is to provide a viewpoint about the source of As, the effect of As on human health and agriculture, and available treatment technologies for the removal of As from water. The source of As can be either natural or anthropogenic and exposure mediums can either be air, drinking water, or food. As-polluted groundwater may lead to a reduction in crop yield and quality as As enters the food chain and disrupts it. Chronic As exposure through drinking water is highly associated with the disruption of many internal systems and organs in the human body including cardiovascular, respiratory, nervous, and endocrine systems, soft organs, and skin. We have critically reviewed a complete spectrum of the available ex situ technologies for As removal including oxidation, coagulation-flocculation, adsorption, ion exchange, and membrane process. Along with that, pros and cons of different techniques have also been scrutinized on the basis of past literatures reported. Among all the conventional techniques, coagulation is the most efficient technique, and considering the advanced and emerging techniques, electrocoagulation is the most prominent option to be adopted. At last, we have proposed some mitigation strategies to be followed with few long and short-term ideas which can be adopted to overcome this epidemic.
引用
收藏
页码:1331 / 1358
页数:28
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