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  • Author: Renata Jastrząb x
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Abstract

Ground and especially drinking water could be contaminated by heavy metal ions such as lead and chromium, or the metalloid arsenic, discarded from industrial wastewater. These heavy metal ions are regarded as highly toxic pollutants which could cause a wide range of health problems in case of a long-term accumulation in the body. Thus, there have been many efforts to reduce the concentration of lead ions in effluent wastewater. They have included the establishment of stringent permissible discharge levels and management policies, the application of various pollution-control technologies, and the development of adsorbent materials for lead reduction. According to Science [1] encapsulation, developed approximately 65 years ago, has been defined as a major interdisciplinary research technology. Encapsulation has been used to deliver almost everything from advanced drugs to unique consumer sensory experiences. In this chapter we review the art of encapsulation technology as a potential breakthrough solution for a recyclable removal system for lead ions. Moreover, in order to provide the readers with a comprehensive and in-depth understanding of recent developments and innovative applications in this field, we highlight some remarkable advantages of encapsulation for heavy metal remove, such as simplicity of preparation, applicability for a wide range of selective extractants, large special interfacial area, ability for concentration of metal ions from dilute solutions, and less leakage of harmful components to the environment.

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