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Item Metadata only The assessment of chemical emission from decoration firing kiln and engineering control in a Benjarong porcelain manufactured community enterprise(Mahidol University. Mahidol University Library and Knowledge Center, 2024) Pakinee Rutchapan; Chaiyanun Tangtong; Sara Arphorn; Aronrag Cooper Meeyai; Vorakamol Boonyayothinno association between weight of Benjarong wares and all chemical concentration. Due to the main chemical emissions from decorative firing kiln were fumes and gases, wet scrubber system was selected to remove the kiln emissions. The equipment was installed... at behind the kiln storage room. Air samples were collected at inlet and outlet duct of wet scrubber and calculated the chemical removal efficiency. The result showed that the maximum chemical removal efficiency was formaldehyde which was 75 percent whereasItem Metadata only A study of preparation of controlled release urea fertilizer by using natural rubber latex(Mahidol University. Mahidol University Library and Knowledge Center, 2024) Chawanee Sirichaiwat; Pramuan Tangboriboonrat; Krisda Suchiva; Cholticha Noomhormrate of urea were subsequently investigated. It was found that results from the dried and wet capsules were quite similar. The rate of urea released from sulphur prevulcanized NR matrix was higher than that from unvulcanized NR matrix and almost all... of urea was released within a few days. The results agreed with the microscopic studies of the capsules which showed the monolithic system and the presence of considerable amount of urea on the capsules surface. When the urea-unvulcanized NR capsules were