广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2014年
12期
86-88
,共3页
苯酚%沉积物%吸附%水西湖
苯酚%沉積物%吸附%水西湖
분분%침적물%흡부%수서호
phenol%sediments%absorption%Shuixi Lake
解水西湖沉积物的环境化学意义及其在水体自净中的作用。以水西湖沉积物为研究对象，探讨其对苯酚的吸附特性，并系统考察了pH值、温度、振荡时间等因素对其吸附特性的影响。结果表明，当pH值为2.25、反应温度为26.1℃、吸附时间为4 h、沉积物投加量为1.0 g、苯酚溶液初始浓度为160 mg／L时，苯酚的去除率高达18.34％，平衡吸附量为1.1 mg／g。苯酚在水西湖沉积物上的吸附行为可以较好的用Freundlish型吸附等温式来描述。强酸性（pH＜6.0）条件下，水西湖沉积物对苯酚具有较大的吸附容量和吸附强度。
解水西湖沉積物的環境化學意義及其在水體自淨中的作用。以水西湖沉積物為研究對象，探討其對苯酚的吸附特性，併繫統攷察瞭pH值、溫度、振盪時間等因素對其吸附特性的影響。結果錶明，噹pH值為2.25、反應溫度為26.1℃、吸附時間為4 h、沉積物投加量為1.0 g、苯酚溶液初始濃度為160 mg／L時，苯酚的去除率高達18.34％，平衡吸附量為1.1 mg／g。苯酚在水西湖沉積物上的吸附行為可以較好的用Freundlish型吸附等溫式來描述。彊痠性（pH＜6.0）條件下，水西湖沉積物對苯酚具有較大的吸附容量和吸附彊度。
해수서호침적물적배경화학의의급기재수체자정중적작용。이수서호침적물위연구대상，탐토기대분분적흡부특성，병계통고찰료pH치、온도、진탕시간등인소대기흡부특성적영향。결과표명，당pH치위2.25、반응온도위26.1℃、흡부시간위4 h、침적물투가량위1.0 g、분분용액초시농도위160 mg／L시，분분적거제솔고체18.34％，평형흡부량위1.1 mg／g。분분재수서호침적물상적흡부행위가이교호적용Freundlish형흡부등온식래묘술。강산성（pH＜6.0）조건하，수서호침적물대분분구유교대적흡부용량화흡부강도。
The environment and chemistry meaning of sediments from Shuixi Lake and their function in water self -purification were studied.With the sediments from Shuixi Lake as the studied objects , their absorption characteristics on phenol was explored and the effects of pH value , temperature , the oscillation time and other factors on their absorption characteristics were investigated.The results indicated that the phenol removal rate reached to 18.34% and the equilibrium uptake was 1.1 mg/g, when pH=2.25, T=299.25 K, t=4 h, d(the optimum dose)=1.0 g/50 mL, andρP=160 mg/L.The sorption behavior of phenol on the tidal flat sediments of Shuixi Lake can be well described by Freundlich adsorption isotherm equations.In strongly acidic condition ( pH<6.0 ) , the sediments from Shuixi Lake had bigger adsorption capacity and adsorption intensity on phenol.
