中国矿业
中國礦業
중국광업
CHINA MINING MAGAZINE
2014年
7期
123-125
,共3页
硅藻土%磷%吸附%废水
硅藻土%燐%吸附%廢水
규조토%린%흡부%폐수
diatomite%phosphorus%adsorption%waste water
通过提纯后的硅藻土对模拟废水中磷素的吸附研究，考察了硅藻土的用量、吸附时间、溶液pH值、吸附温度对吸附过程的影响。研究结果表明：硅藻土的最佳用量为3．5g 硅藻土／0．1mg磷左右；最佳震荡吸附时间为20min左右；溶液的最佳pH值为3．0左右，且随着pH值的增大吸附率减小，特别在溶液呈碱性的时候吸附效果明显变差；最佳吸附温度约为25℃；硅藻土对废水中磷素的吸附过程符合Freundlich等温吸附方程。
通過提純後的硅藻土對模擬廢水中燐素的吸附研究，攷察瞭硅藻土的用量、吸附時間、溶液pH值、吸附溫度對吸附過程的影響。研究結果錶明：硅藻土的最佳用量為3．5g 硅藻土／0．1mg燐左右；最佳震盪吸附時間為20min左右；溶液的最佳pH值為3．0左右，且隨著pH值的增大吸附率減小，特彆在溶液呈堿性的時候吸附效果明顯變差；最佳吸附溫度約為25℃；硅藻土對廢水中燐素的吸附過程符閤Freundlich等溫吸附方程。
통과제순후적규조토대모의폐수중린소적흡부연구，고찰료규조토적용량、흡부시간、용액pH치、흡부온도대흡부과정적영향。연구결과표명：규조토적최가용량위3．5g 규조토／0．1mg린좌우；최가진탕흡부시간위20min좌우；용액적최가pH치위3．0좌우，차수착pH치적증대흡부솔감소，특별재용액정감성적시후흡부효과명현변차；최가흡부온도약위25℃；규조토대폐수중린소적흡부과정부합Freundlich등온흡부방정。
In this work ,the effects of diatomite dosage ,solution pH ,adsorption time and temperature on the adsorption process were investigated through studying the adsorption of phosphorus by purification of diatomite in the simulated wastewater .The results showed that the optimal dosage of diatomite was 3 .5g per 0 .1 mg phosphorus and the adsorption time was about 20min .The optimal solution pH was around 3 .0 and the adsorption rate decreased with the increase of pH value ,especially in alkaline solution .The best adsorption temperature was about 25℃ .Diatomite on phosphorus removal in wastewater adsorption process is in line with the Freundlich isothermal adsorption equation .
