德国STRABAG有机固废之厌氧、好氧先进技术及设备.pdf

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1、德国德国STRABAG有机固废之有机固废之厌氧、好氧先进技术及设备厌氧、好氧先进技术及设备旭普林旭普林-史桌堡集团史桌堡集团史卓堡环境科技有限公司史卓堡环境科技有限公司 有机固废处理模式探讨 没有可以同时适用于任何地区的“最佳固废处理方式”处理模式必须适应地区特点 处理模式必须适应废物管理系统的整体发展水平 处理模式必须适应对应国家的法规及国家体系 处理模式必须适应现实费用水平（补贴、填埋费用、回收收入、衍生物市场）有机废物资源生态链有机垃圾厌氧消化原理有机垃圾厌氧消化原理Digestate-liquid-solidOrganic MatterHydrolysisPropionic AcidA

2、cetic AcidMethane+CO2Substrate intakeSalivaRumenAbo-masumSmall/large intestine OmasumCOMPARISSON OF 干法与湿法对比干法与湿法对比 DIGESTION-TECHNOLOGIESCOMPARISSON OF DIGESTION TECHNOLOGIES 干、湿法干、湿法湿法湿法Wet Digestion干法干法Dry DigestionDefinition of technology3-15%DM(slurry in digester)含固15-35%DM(slurry in digester)含固

3、Experience,history,References历史适用情景Experience with MSW since 1990s.Since then,mostly used for food waste and similar liquid waste streams.Practically no MSW tenders in Europe.Perfectly suitable for restaurant waste and sludge from WWTP.餐厨、污泥、其它流态废弃物餐厨、污泥、其它流态废弃物Technology since end of 1990 for struc

4、ture rich waste(MSW,green waste).Experience almost 20 years.Today almost all tenders for MSW or bio waste are mandatorily dry digestion systems.厨余、市政及园林、秸秆、动物粪便、其它植物有厨余、市政及园林、秸秆、动物粪便、其它植物有机废弃物等机废弃物等 Feedstock preparation预处理Wet-mechanical systems using big amounts of fresh/process water to dilute the

5、 waste and to wash impurities out.Waste pulper(batch system)Hammer mill(continuous system)Both in combination with additional aggregates to remove sand/grit,film etc.加水、湿机械加工，要求较高The feedstock preparation for dry digestion is a simple dry mechanical process which means,usually this is done by crushi

6、ng,screening and removing of recyclables like metals.No water is added.简单干机械式处理Biogas yieldSame biological process,same biogas yield only depending on feedstock and retention time.产气率决定于物料性状和滞留消化时间WET DIGESTION 湿法湿法Seite 6 STRABAG SE,12.3.2014WET DIGESTION-LARAN LOOP DIGESTER 拉伦环流湿法厌氧消化专利技术拉伦环流湿法厌氧消