Abstract
In 2009, the total production of Placuna placenta reached 68.27 tons in central java. The implication of that is causing a pile of waste from shell which contain 14 – 35% of chitin. Chitin can be further processed into chitosan, a compound that has anti-bacterial properties, following 3 processes and one of them is the deacetylation process. The process is removing the acetyl group from chitin through a heating process with the addition of base at a high concentration. The results showed that optimum process obtained at temperature 750C and base concentration 70% W/V. Similar results were obtained for these results on 3 times repetation. In further, related research will use the following optimized process conditions.
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