Bleaching earth filtration —Complete removal of the bleaching media from the bleached oil is very important since residual earths can act as a prooxidant.
A process for decolourization of anionic dye containing wastewater by using waste plastics in the presence of cationic auxiliary and sodium dodecylbenzene sulfonate has been studied.
The effects of different methods and conditions on the structure and surface properties were studied by XRD, nonaqueous solution titration, and decoloring performance on orcein dye.
Metalliferous ore waste residue and clay were used to prepare one kind of new decolorization adsorption ball and fuchsine dye water sample was taken as processing object.
Diagnosis is usually made based on symptoms, and looking for areas of discoloration or roughness, tenderness or inflammation in the mouth, as well as using dental radiographs.