UBF-BAF组合工艺处理焦化废水.pdf

第23 卷第21 期中国给水排水 V ol .23 N 1
2007 年 11 月 C H IN A W A T E R & W A ST E W A T E R N ov 20 0 7
UBF一BAF 组合工艺处理焦化废水
朱顺妮,,2, 朱婷婷,,2, 樊丽‘,2,倪晋仁‘,2
( ,广东深圳 51 80 55 ;
2。北京大学环境工程系,北京 100 871 )
摘要: 采用UBF一BAF 组合工艺处理焦化废水,考察了处理效果。结果表明,经UBF 处理
后,废水的可生化性得以提高;H RT 及进水负荷对NH 3一N 去除效果的影响明显大于对 COD 的,
BAF 反应器内填料的前段主要用于去除COD ,后段主要用于去除NH3一N; 当厌氧段 HRT
h、好氧段 H RT 为31 .3 h 时,系统对 COD 和 NH 3 一N 的去除效果均较好。稳态运行时,系统对
COD 、NH3一N 、TN 、TOC % 、% 、% 、% % 。
关键词: 焦化废水; 上流式污泥床过滤器; 曝气生物滤池
中图分类号: X7 03 .1 文献标识码: C 文章编号: l0( )0 一460 2(200 7)21 一00 93 一05
C om bined Process of U B F and B A F fo r C oki ng W as tew ater T rea加 ent
zHU Shun一ni,,2,zHU Ti ng一ting,,2,FAN ‘,,2, NIJin一re nl,2
( 1. 盆妙加bo rato ry of En,iro nme n协land Ur 乙an sc ic nces ,夕比朋触n Gra dl川te sc入ool of Pe ki ng
Un 众℃rs itr ,5加瑙统en 51 80 55 ,Ch ina ;2. 刀叩a厅me nt of En砂iro nlne nt al E鳍inee ri ng ,矛乍无ing
Un i彩ers 勿,Be iji ng loo 87 1,Ch ina )
A bstract: Th bined proc ess of u四ow blan ket fi lter (UBF ) and biological ae rat ed fi lter
(BAF) was used to tre at the coking was te wate r. Th e tre atm ent effi ciency was investi罗te d. Th e re sults
sh ow th at th e biodegr adability of th e was tewa terisincre as ed aft ertre ate d by UBF. Th e effe ctof H RT and
inll uentload ing on NH 3一N re m oval is mo re obvious than th at on C0D . Th e fo we