Through experiments made on the adsorption effect of brown coal on five types of dye, it is found that brown coal decolorizes not only hydrophilic dye but also hydrophobicdye.
本文通过褐煤对五种染料溶液的吸附实验，表明褐煤对亲水性染料和疏水性染料均有脱色作用。
2
On account of the chemical inertia and huge hydrophobic about polypropylene, generic dye is difficult to dye the fibre and can only gain dissatisfiable permeability and poor permanence of dye.