And sodium humic acid was used as flocculant agent mixed with iron trichloride or aluminium sulfate to treat aqueous suspension of kaolin.

• 并且用腐植酸钠配合三氯化铁或硫酸铝作絮凝剂,处理高岭土悬浊液,实验表明,其除浊效果比单独用三氯化铁或硫酸铝处理该悬浊液时更好。