疏浚底泥的絮凝干化脱水技术的研究进展

摘要

絮凝脱水技术是应用絮凝剂实现疏浚底泥干化的一类干化脱水技术,具有操作方法简单、沉降速度快、处理成本较低的特点.絮凝剂是絮凝干化技术的核心,絮凝剂的选择及使用条件直接影响干化的效果.结合絮凝剂的性能特点,综述了絮凝剂的种类、脱水原理及其在疏浚底泥干化中的应用研究进展,并展望了絮凝剂作为底泥干化材料的研究方向.%Application of flocculants for dehydration is an effective technology with characteristic of simple operation and low cost in dredged sludge dehydration. The character of flocculants performed a significant influence on dehydrating sludge. In accordance with its performance characteristics, the type of flocculants, principle of desiccation, and application for dredged sludge dehydration were described, and the research orientation of flocculants as material of sludge dehydration was prospected.