New starting material hydrogel based on durian rind as the peat water purifier

IRAWAN, DODDY and KURNIATI, TUTI (2021) New starting material hydrogel based on durian rind as the peat water purifier. In: 3rd Workshop on Characterization and Analysis of Nanomaterials University of Aveiro, February 3-5, 2021, Portugal.

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Abstract

The clean water crisis is still a problem that cannot be resolved worldwide, including in Indonesia. Indonesia is a maritime country where 2/3 of its territory is water. It has unlimited water sources that can be used as clean water and one of the biggest water source its the peat water. However, unfortunately, we can’t use peat water as a source of clean water because of the high concentrations of natural organic compounds and Fe, making the colour of peat water brown and have a terrible smell. One of the ways to reduce high concentrations of organic compounds and Fe is the absorption techniques. In this study, researchers made hydrogel utilizing Durian Rind waste. Durian rind contains high cellulose, which has the potential as a hydrogel starting material. Durian rind has the advantage of being an adsorbent because it can absorb organic compounds and Fe; it can also be an effective anti-bacterial. This research is an experimental study. The results showed that hydrogel based on Durian rind could be used as a peat water purifier. The results of FTIR analysis show that cellulose-based on durian rind has been successfully produced. The hydrogel that we made was able to expand (swelling ratio) of 857%. It means that the hydrogel is hydrophilic and capable of absorbing Fe2+ ions that pollute peat water. The measurement results of the degree of cross-linkage showed that the hydrogel strength was 98.23%. The AAS analysis also shows that the hydrogel could absorb Fe2+ ions 25%. Thus, with hydrogel, it can be a great solution as a peat water purifier.

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