CAJ | 학술논문

以木麻黄叶状枝粉末作为生物吸附剂,研究其对重金属离子Cr（Ⅵ）的吸附性能和吸附规律,并探讨了溶液酸度、振荡时间、溶液初始浓度、吸附剂用量等因素的影响.结果表明,在吸附剂用量为0.3g、pH值为1、Cr（Ⅵ）初始浓度小于100mg/L、吸附时间为90min的条件下,相应的吸附容量和吸附率可达3.98mg/g和99.9%,残余的Cr（Ⅵ）浓度小于0.5mg/L,达国家工业废水排放标准GB18918-2002;正交实验结果表明,影响木麻黄吸附剂对Cr（Ⅵ）吸附效果的主次因素顺序为pH值〉吸附振荡时间〉吸附剂用量〉吸附液浓度.
이목마황협상지분말작위생물흡부제,연구기대중금속리자Cr（Ⅵ）적흡부성능화흡부규률,병탐토료용액산도、진탕시간、용액초시농도、흡부제용량등인소적영향.결과표명,재흡부제용량위0.3g、pH치위1、Cr（Ⅵ）초시농도소우100mg/L、흡부시간위90min적조건하,상응적흡부용량화흡부솔가체3.98mg/g화99.9%,잔여적Cr（Ⅵ）농도소우0.5mg/L,체국가공업폐수배방표준GB18918-2002;정교실험결과표명,영향목마황흡부제대Cr（Ⅵ）흡부효과적주차인소순서위pH치〉흡부진탕시간〉흡부제용량〉흡부액농도.
With the powder of casuarina leaves as biological adsorbent,the adsorption performance and rules of heavy metal ions Cr（Ⅵ） were investigated.The effects of solution acidity,oscillation time,initial mass concentration of Cr（Ⅵ） and adsorbent dosage were researched.The results showed that the condition was at adsorbent dosage 0.3 g,pH value 1,and initial mass concentration less than 100 mg/L and adsorptive oscillation time 90 min the adsorption capacity and rate could reach up to 3.98 mg/g and 99.9%,respectively.And the remnants mass concentration of Cr（Ⅵ） was less than 0.5 mg/L that achieved the national industrial waste water discharge standard of GB18918-2002.Finally,it also analyzed the influencing degree of each factor on adsorption by orthogonal experiment and the turn was as follow： pH value oscillation time sorbent dosage mass concentration of Cr（Ⅵ）.