Water Filter Made from Water Hyacinth Fibers Mixed with Nanocellulose
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Abstract
This research aimed to develop a water filter made from water hyacinth fibers mixed with nanocellulose extracted from water hyacinth and to evaluate its filtration efficiency using wastewater collected from a community in Bang Khla District, Chachoengsao Province. The effects of filter thickness and nanocellulose content on filtration efficiency were also investigated. The filters were cylindrical, with a radius of 2.5 cm and thicknesses ranging from 1 to 5 cm. The filtration tests were conducted using a passive gravity-driven filtration system. The filtration rate was measured, and the pH, total dissolved solids (TDS), and electrical conductivity (EC) of the water were analyzed. The results showed that the filtration rate tended to decrease over time. The 5-cm-thick filter exhibited the highest filtration efficiency, reducing pH, TDS, and EC by 3.45 ± 0.08%, 4.99 ± 0.08%, and 6.70 ± 0.20%, respectively. When nanocellulose was incorporated at 10% by weight relative to the water hyacinth fibers, the filter reduced pH, TDS, and EC by 4.45 ± 0.07%, 10.16 ± 0.04%, and 11.05 ± 0.07%, respectively, which was higher than the reduction achieved by the filter without nanocellulose. These results demonstrate that water filters made from water hyacinth fibers mixed with nanocellulose have potential for reducing contaminants in water and could be further developed for the preliminary treatment of community or industrial wastewater before discharge into natural water bodies. They may also have potential for future applications in water filtration for domestic use.
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