Shaanxi Polytechnic Institute

Calcium Chloride Activation of Acid-Washed Sewage Sludge Ash: Hydration Mechanism and Performance as a Supplementary Cementitious Material

Due to the fact that municipal sludge incineration generates a large amount of toxic sewage sludge ash (SSA), cement solidification is becoming an efficient harmless treatment method. However, the large amount of phosphorus in sludge ash can delay the setting time of cement paste...