The optimal dosing quantity for aluminium was lower than that for turbidity removal. 除铝最佳投药量要低于除浊最佳投药量。
COD removal rate of trichloro-iron and polymeric aluminium chloride is most high, while COD removal rate of sodium silicate is most low. 聚合氯化铝的COD去除率和三氯化铁最高,而硅酸钠的COD去除率最低。
The effect of the kinds and dosing quantity of PAC coagulant and residual turbidity etc on residual aluminium in the course of water supply was studied through a series of experiments for aluminium removal for drinking water. 本文通过饮用水除铝的一系列实验,主要研究在给水处理流程中聚合铝(PAC)混凝剂种类、投加量、余浊等因素对余铝的影响。
A process for the preparation of industrial-grade aluminium sulfate from kaolin and removal of iron from the product through precipitation is studied. 对工业品硫酸铝的制备及沉淀法除铁的工艺进行了研究。
Various coagulants and PAM were used to treat wastewater in order to determine the optimum coagulant and dosage, and results indicated that aluminium sulphate obviously enhanced the removal of oil, full iron and COD especially without adding PAM. 试验表明,硫酸铝对油、全铁和COD等的去除率相对较高,且具有不需投加助凝剂PAM、适用性强等优点。
Effect of Aluminium and Iron Salts in Coagulation on Turbidity Removal of Yangtze River 铝盐和铁盐在长江水源浊度去除中的混凝效果比较
Study on preparation of aluminium sulfate from kaolin and removal of iron by precipitation 高岭土生产硫酸铝及沉淀法除铁的研究
The inherent and real scanning electron fractographs of stress corrosion cracking of aluminium alloys can be visualized after removal of the corrosion product layers by chemical method. 将断口进行化学去膜处理可以得到铝合金应力腐蚀开裂的固有的真实的扫描电镜断口形貌。
Using aluminium sulfate as a model coagulant, removal of fluoride by coagulation was investigated in the absence or presence of humic acids in synthetic water. 采用硫酸铝为絮凝剂,分别研究了不存在和存在腐殖酸时,混凝沉降作用对水体中氟化物的处理效果。