用天然染料大黄染粘胶织物虽然可减少污染，有利环保，但染色性能较差。
Dyeing viscose fabric with natural rhubarb dye can reduce pollution to the environment, but usually has poor dyeing behavior.
染料行业是我国污染最严重的行业之一。
Dye industry is one of the industries which make serious pollution in China.
催化氧化技术处理染料废水是一个具有价值的课题，该方法具有高效、节能、无二次污染等优点，引起了广大学者的关注。
Catalytic oxidation technology in the treatment of dye effluent is an extremely valuable subject, which is of high efficiency, energy saving and non-second contamination.
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