Savvides C, Papadopoulos A, Haralambous K J, Loizidou M
Department of Chemical Engineering, National Technical University of Athens, 9, Heroon Polytechniou Str., Zografou Campus, Athens, 15773, Greece.
J Environ Sci Health A Tox Hazard Subst Environ Eng. 2001;36(6):1129-34. doi: 10.1081/ese-100104136.
This study examines the cement-based Stabilization/Solidification (S/S) technique of sludge produced from a metal plating industry. The sludge samples were characterized in terms of pH and heavy metal content (Cr, Cu, Fe, Ni, Pb and Zn). The leachability of the sludge was estimated using the Toxicity Characteristic Leaching Procedure (TCLP). Two binder mixtures were used for the S/S process, fly ash/cement and zeolite/cement. The weight ratio of the binder mixtures was optimized to achieve the highest strength. The optimum ratio binder mixtures was mixed with sludge samples of different weight ratios and cured for 28 days in order to find the S/S products with the highest strength and the lowest leachability.
本研究考察了金属电镀行业产生的污泥的水泥基稳定化/固化（S/S）技术。对污泥样品的pH值和重金属含量（铬、铜、铁、镍、铅和锌）进行了表征。采用毒性特性浸出程序（TCLP）评估污泥的浸出性。两种粘结剂混合物用于S/S工艺，即粉煤灰/水泥和沸石/水泥。对粘结剂混合物的重量比进行了优化以获得最高强度。将最佳比例的粘结剂混合物与不同重量比的污泥样品混合，并养护28天，以找出强度最高、浸出性最低的S/S产品。
