微生物和沸石处理池塘底泥对NH_4^+吸附与解吸的研究  被引量:1

Sorption and Desorption of NH_4^+ in Pond Sediment Treated with Microbe and Zeolite

在线阅读下载全文

作  者:卢显芝[1] 田秀平[1] 蔡丹丹 郝建朝[1] 

机构地区:[1]天津农学院农学系,天津300384 [2]吉林省现代天丰农业集团有限公司

出  处:《黑龙江八一农垦大学学报》2010年第1期9-12,共4页journal of heilongjiang bayi agricultural university

基  金:天津市科委自然基金重点项目(07JCZDJC04600);天津市教委基金项目(20060708)

摘  要:取天津市西青区小南河村和东丽区永和村池塘底泥风干后,采用微生物、沸石处理,进行了底泥对NH_4^+吸附与解吸试验。结果表明,底泥对NH_4^+的吸附过程符合Langmir方程,不同处理对底泥吸NH_4^+影响不同,对照底泥对NH_4^+的最大吸附量在300mg·kg^(-1)左右,沸石处理的底泥最大吸NH_4^+在400 mg·kg^(-1)左右,微生物处理底泥最大吸NH_4^+可达616.67 mg·kg^(-1),且微生物处理底泥对NH_4^+的吸附平衡常数最大,解吸量最低,沸石吸附平衡常数和解吸量次之,对照最低。Dried pond sediments in village of West Tsing Xiaonanhe and Doli Yonghe in Tianjin were cultured with treatments of microbe and zeolite to determine adsorption and desorption of NH4^+.The results indicated that adsorption process of NH4^+ in the sediment was in accordance with equation of kangmuir. Different treatments had avarious influence on adsorption of NH4^+. The largest NH4^+ adsorption capacity of control sediments was 300 mg·kg^-1 or so,and 400 mg·kg^-1 or so with zeolite, but it could up to 616.67 mg·kg^-1 in microbial treatment. The sequence of NH4^+ adsorption equilibrium constants was microbe〉 zeolite〉CK, and the sequence of NH4^+ desorption amount was CK〉zeolite〉microbe.

关 键 词:底泥 NH_4^+ 吸附 解吸 

分 类 号:S153.6[农业科学—土壤学]

 

参考文献:

正在载入数据...

 

二级参考文献:

正在载入数据...

 

耦合文献:

正在载入数据...

 

引证文献:

正在载入数据...

 

二级引证文献:

正在载入数据...

 

同被引文献:

正在载入数据...

 

相关期刊文献:

正在载入数据...

相关的主题
相关的作者对象
相关的机构对象