Technology
Lub series ntawm activated carbon yog tsim los ntawm nruj me ntsis xaiv sab saum toj zoo thee thiab blended thee. Kev sib xyaw ntawm cov hmoov coal nrog tar thiab dej, extrusion ntawm cov khoom sib xyaw rau hauv kab hauv qab roj siab, ua raws li carbonization, ua kom muaj zog thiab oxidation.