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对山东莒县城北生活垃圾无害化处理场工程设计进行了详细介绍。本工程采用厚度为300 mm、粒径为50～100 mm的碎石作为主要的渗滤液导流层材料;并使用800 g/m~2短纤无纺土工布+2.0 mm光面HDPE土工膜+4 800 g/m~2GCL用于水平防渗,600 g/m~2长丝无纺土工布+2.0 mm光面HDPE土工膜+4 800 g/m~2GCL用于边坡防渗;渗滤液处理采用了十分成熟的MBR系统/纳滤/反渗透组合工艺,保证了高效的处理效果,最终出水水质达到了《生活垃圾填埋场污染控制标准》(GB 16889—2008)的要求。
The design of the innocuous treatment field of north of Shandong Juxian garbage was introduced in detail. The project uses a crushed stone with a thickness of 300 mm and a particle size of 50-100 mm as the main leachate guide material. The geotextile with 800 g / m ~ 2 staple non-woven geotextile +2.0 mm smooth HDPE +4 800 g / m ~ 2GCL for horizontal seepage control, 600 g / m ~ 2 filament non-woven geotextile +2.0 mm smooth HDPE geomembrane +4 800 g / m ~ 2GCL for slope seepage seepage The filtrate treatment adopts a very mature MBR system / nanofiltration / reverse osmosis combination process to ensure efficient treatment effect, and finally the effluent quality meets the requirements of “Control Standard of Domestic Refuse Landfill Pollution” (GB 16889-2008).