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Abstract
<p class="first" id="d4452997e101">One of the main problems with water pollution is
dye contamination of rivers, industrial
effluents, and water sources. It has endangered the world's sources of drinking water.
Several remediation strategies have been carefully developed and tested to minimize
this ominous picture. Due to their appealing practical and financial benefits, adsorption
methods in particular are often listed as one of the most popular solutions to remediate
dye-contaminated water. Biopolymer-based hydrogel nanocomposites are a cutting-edge
class of materials with a wide range of applications that are effective in removing
organic dyes from the environment. Since the incorporation of various materials into
hydrogel matrices generated composite materials with distinct characteristics, these
unique materials were often alluded to as ideal adsorbents. The fundamental emphasis
of the conceptual and critical review of the literature in this research is the significant
potential of hydrogel nanocomposites (HNCs) to remediate dye-contaminated water (especially
for articles from the previous five years). The review also provides knowledge for
the development of biopolymer-based HNCs, prospects, and opportunities for future
research. It is also focused on optimum conditions for dye adsorption processes along
with their adsorption kinetics and isotherm models. In summary, the information gained
in this review research may contribute to a strengthened scientific rationale for
the practical and efficient application of these novel adsorbent materials.
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