The present invention relates to a water filtration device for use in a closed recirculation culture system that is efficient for remove particulate from water and prevent clogging of a filter. The device mainly comprises a filter body, a central…

Carbide lime is a by-product from acetylene gas industry and was classified as scheduled waste in Malaysia. In 2018, 3000 tonne/year of carbide lime is produced and need to be eliminated. Based on XRF analysis, carbide lime contains 70% of calcium…