高浓度有机废水截留处理工艺研究  

Intercepting Technology Process for Treatment of High-Concentration Organic Wastewater

作　　者：吴泓涛[1] 蒲富永[1] 陈同斌[2] 郑明兰 

机构地区：[1]西南农业大学资源环境学院,重庆400716 [2]中国科学院自然资源与地理研究所,北京100101 [3]山西临汾市尧都区环保局,山西临汾041000

出　　处：《农业环境保护》2001年第6期435-437,共3页Agro-Environmental Protection

摘　　要：研究了以有机废物为滤料,截留处理高浓度有机废水的效果和机制,并对影响过滤的参数进行探索,设计出一套循环、饱和过滤处理有机废水的装置。试验表明,以锯末、粉渣等8种有机废物处理有机废水是有效的,其中锯末和粉渣去除废水中COD达92%—98%。同时实验还证明,此截留过滤实质上是以微孔过滤为主、吸附过滤为辅来完成的。影响过滤的主要参数为①粒径≤2mm,堆密度为0.26kg·cm-3,处理效果好;②废水浓度<5000mg·L-1,处理水质好且稳定;浓度>5000mg·L-1时,水质从差到好变化时距长。利用设计出的循环、饱和过滤装置处理有机废水,其出水的COD可降至200—300mg·L-1。Under the prerequisite of “three considerations”of environmental, economical and social benefit, treatment of wastewater should be done at one pace, then developed in depth, to increase economical benefit and fit our country's reality. Guided by this ideology, the present paper studies the effect and mechanism of intercepting treatment for high concentration of organic wastewater, trying to find out the parameters affecting filtration and designed a set of treatment device of organic wastewater by circular and saturate filtration. The results showed that it was effective to treat organic wastewater with eight organic wastes including sawdust and powder residue, among which sawdust and powder residue could reduce COD in wastewater by 92%— 98%. Moreover, the results proved that this intercepting filtration was finished mainly by micropore filtration with auxiliary of adsorption filtration.The main parameters affecting filtration have been found:1) when particle diameter was ≤2 mm and pile density amounted to 0.26 g·cm-3, the efficiency was perfect. 2) When the concentration of COD in organic wastewater was <5 000 mg·L-1,the quality of out water was fair and stable. Otherwise, the efficiency declined, the water quality changed from bad to good. The COD of out water decreased to 200—300 mg·L-1 when circular saturate filtration device was used to dispose organic wastewater.

关 键 词：高浓度有机废水 截留 处理工艺 废水处理 

分 类 号：X783[环境科学与工程—环境工程]