Tourmaline was composed with styrene-acrylic emulsion to deal with some organic dyestuff aqueous solution such as methylene blue,methyl orange,ethyl violet and congo red.

• 电气石用苯丙乳液复合成膜,处理亚甲基蓝、甲基橙、刚果红和乙基紫四种有机染料水溶液。