摘要
探讨了螺旋藻(Spirulina,SP)对垃圾填埋渗滤液(LandfillLeachate,LFL)中污染物的净化作用。从广州市大田山垃圾填埋场收集LFL,用国家标准方法进行理化分析,在不同稀释度的LFL中接种SP后连续培养,观察藻细胞生长并比较接种前和培养7d后LFL主要污染物的质量浓度变化。结果发现SP可在LFL原液及体积分数分别为50%和25%LFL中维持生长达对照的30%～50%,藻细胞的生长使LFL中PO4-P、COD、NH3-N清除率达50%以上,对50%LFL中铅、锌、砷、铬、镍等重金属的清除率大于60%。结果提示,螺旋藻对LFL污染物有一定的生物净化作用。
Removal effects ofSpirulina platensis （SP） on landfill leachate （LFL） were explored. SP was inoculated in original, 25% and 50% diluted LFL, respectively, and then algal growth was monitored by detection of chlorophyll a. Furthermore, contents of pollutants in LFL were analyzed after 7 days cultivation for assessment removal rate of pollutants. The result showed that LFL can maintain SP at a growth level of 30% ～50% compared with that of control with Zarrouks medium. More than 50% of the pollutants of PO4-P, COD and NH3-N as well as 60% of the heavy metals of Pb, Zn, As, Cr, Cd and Ni in 50% LFL were removed after 7 days cultivation of SP in it. These results indicated that Spirulina can remove pollutants in landfill leachate efficiently and may be useful for biological treatment in prospective.
出处
《生态环境》
CSCD
北大核心
2006年第3期509-512,共4页
Ecology and Environmnet
基金
广东省自然科学基金重点项目(05103295)
关键词
螺旋藻
垃圾渗滤液
污染物
Spirulina
landfill leachate
pollutant
作者简介
黄崑（1968-），男，讲师，华南师范大学访问学者，主要从事城市环境与生态研究。
通讯作者：黄峙（1968-），博士，讲师。Tel：＋86-20-85220219；E-mail：thsh@jnu．edu．cn
