Study of temperature for clams shell incineration increasing brick quality mixing recycle material from clams shell
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This research is to study the recycling of residue clams shell from Mahachai, Samutsakorn, Thailand. This waste was collected from canned clams industry and it can be recycled as the composition of Mon brick instead of the rice husk. The study of clams shell composition found that Calcium was main composition as 98.50%VS. The moisture and ash content was 0.88% and 58.27%TS respectively. The works methodology is using ash from clams shell incinerated at temperature 900, 1000, 1100 and 1200oC in 5 hours respectively instead of rice husk in Mon brick processing. The fabrication of Mon brick was in size 5x5x5 cm adding ash from clams shell intead of rice husk. The result found that increasing the temperature to incinerate clams shell ash instead, density and compressive strength increased while moisture and water absorption deceased. When Mon brick was fabricated in standard size at 6x15x3.5 cm, the changed material characteristics was in the same trend as previous size. Mon brick in standard size adding 100% clams shell ash instead of rice husk had density 2.63 g/cm3, moisture content was 2.86%, water absorption at 1 and 24h was 17.40 and 20.16% respectively and compressive strength was 0.52 MPa. These characteristics was according to standard of Engineering Institute of Thailand. It can reduce the cost of rice husk in Mon brick factory 28,800 bath/year while the waste from canned clams factory could be reduced 20.94%.
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