Huang Wu-Jang
National Ping-Tun University of Science and Technology, Department of Environmental Science and Engineering, 91201 Ping-Tun, Taiwan.
Waste Manag. 2008 Nov;28(11):2403-5. doi: 10.1016/j.wasman.2007.11.013. Epub 2008 Jan 28.
This paper reports the characterization of residues collected from air pollution controlling devices (APCDs) at seven large-scale municipal solid wastes (MSW) incineration plants. The amount of lime being sprayed in plants is a function of free CaO content in scrubber residues; a higher free CaO content in scrubber residue causes more leaching of lead. The proper amount of lime in the semi-dry scrubbing system was found to be 5 kg/ton of MSW waste. Under these conditions, both the free CaO content and lead leaching became extremely low in scrubber residue.
本文报道了在7家大型城市固体废弃物（MSW）焚烧厂的空气污染控制设备（APCDs）中收集的残渣的特性。工厂中石灰的喷洒量是洗涤器残渣中游离CaO含量的函数；洗涤器残渣中较高的游离CaO含量会导致更多的铅浸出。半干法洗涤系统中石灰的合适用量为5千克/吨城市固体废弃物。在这些条件下，洗涤器残渣中的游离CaO含量和铅浸出量都变得极低。
