有机固体废弃物与废气的微生物处理精品.pptx
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1、一、好氧堆肥第一节 固体有机废物的堆肥处理技术通气条件下借好氧性微生物活动使有机物降解，从而使固体废弃物无害化、资源化。特点：高温堆肥（一般在50-60，极限可达80-90）第1页/共22页一、好氧堆肥第一节 固体有机废物的堆肥处理特点：高温堆肥（一般在50-60，极限可达80-90）堆制 升温 高温 降温 腐熟1-2d50-60中温菌嗜热菌中温菌寄生虫和病原菌被杀死30-40 一次发酵二次发酵第2页/共22页一、好氧堆肥第一节 固体有机废物的堆肥处理第3页/共22页一、好氧堆肥第一节 固体有机废物的堆肥处理第4页/共22页一、好氧堆肥第一节 固体有机废物的堆肥处理第5页/共22页一、好氧堆肥
2、第一节 固体有机废物的堆肥处理环境温度：对二次发酵的影响大有机质含量：20-80%为宜。太低，升温慢，太高，供氧不足（发臭）水分：50-60%为宜。过高，氧不足碳氮比：初始30-35：1为宜。过高，缺氮，周期长，过低，氮损失。碳磷比：75-150为宜。酸碱度：中性或弱碱性。通风供氧：动力供氧影响堆肥的因素第6页/共22页一、好氧堆肥第一节 固体有机废物的堆肥处理立式堆肥发酵塔卧式堆肥发酵滚筒简仓式堆肥发酵仓箱式堆肥发酵池堆肥发酵装置第7页/共22页5-8天完成一次发酵立式堆肥发酵塔一、好氧堆肥第一节 固体有机废物的堆肥处理第8页/共22页卧式堆肥发酵滚筒一、好氧堆肥第一节 固体有机废物的堆肥处
3、理第9页/共22页箱式堆肥发酵池一、好氧堆肥第一节 固体有机废物的堆肥处理第10页/共22页二、厌氧堆肥第一节 固体有机废物的堆肥处理厌氧堆肥 在无氧条件下，借厌氧微生物的作用，将有机废弃物（包括城市垃圾、人畜粪便、植物秸秆、污水处理厂的剩余污泥等）进行厌氧发酵，制成有机肥料，使固体废弃物无害化的过程。特点：1）堆置方式与好氧堆肥法相同2）堆内不设通气系统，堆温低，腐熟及无害化所需时间较长3）简便、省工4）封堆后1个月左右翻堆1次第11页/共22页第二节 气体有机废物的微生物处理挥发性有机化合物（VOC）石油化工、制药、印刷、制鞋、喷漆等行业排放的常见的，可能具有毒性，致癌性，易燃易爆及破坏臭
4、氧层的污染物。（氯乙烯、苯、多环芳烃，如氯氟烃(CFC）和含氢氯氟烃(HCFC)。废气控制技术的研究和应用生物过滤装置第12页/共22页第二节 气体有机废物的微生物处理一、基本原理液相或固相介质二氧化碳、水等 气体有机物微生物降解 吸附乙醇、硫醇酚、甲酚、吲哚脂肪酸、乙醛、酮、二硫化碳氨和胺 生物过滤 悬浮生长系统附着生长系统 第13页/共22页第二节 气体有机废物的微生物处理二、处理方法第14页/共22页第二节 气体有机废物的微生物处理二、处理方法生物滤池（生物过滤箱）第15页/共22页第二节 气体有机废物的微生物处理二、处理方法针对有机堆肥臭气去除的生物滤池第16页/共22页第二节 气体有
5、机废物的微生物处理二、处理方法第17页/共22页第二节 气体有机废物的微生物处理二、处理方法第18页/共22页第二节 气体有机废物的微生物处理二、处理方法第19页/共22页V5pI$cwP+jDX6qK&exR1lFY8sM*fzT3mG#auN)hBV4oI$bvP+jCW6qK%dxR1kEY8rL*fzS2mG#9tN)hAU4oH!bvP-iCW6pJ%dxQ0kEX7rL*eyS2mFZ9tM(gAU3nH!buO-iCV5pJ$cwQ0jDX7rK&eyS1lFZ8sM(gzT3nH#auO-hBV5oI$cwP+jDX6qK&exR1lEY8sM*fzT3mG#auN)hBU4o
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