CAJ | 학술논문

[目的]了解皂河沉积物的环境化学意义及其在水体自净中的作用.[方法]以皂河上、中、下游的沉积物为研究对象,探讨其对苯酚的吸附特性,并考察系统pH值、温度等对其吸附特性的影响.[结果]皂河沉积物对苯酚的吸附特性可较好地用Langmuir等温吸附方程描述;皂河沉积物对苯酚的咐附不是单一的分子吸附,而是多种吸附(物理吸附和化学吸附)共同作用的结果;弱酸性(pH>6.0)条件下,皂河沉积物对苯酚具有较大的吸附容量和吸附强度;35 ℃时皂河沉积物对苯酚的吸附容量和吸附强度高于其他温度处理;皂河下游沉积物对苯酚的吸附容量和吸附强度小于上、中游沉积物.[结论]皂河沉积物对苯酚具有较大的吸附容量和较好的吸附性能.
[목적]료해조하침적물적배경화학의의급기재수체자정중적작용.[방법]이조하상、중、하유적침적물위연구대상,탐토기대분분적흡부특성,병고찰계통pH치、온도등대기흡부특성적영향.[결과]조하침적물대분분적흡부특성가교호지용Langmuir등온흡부방정묘술;조하침적물대분분적부부불시단일적분자흡부,이시다충흡부(물리흡부화화학흡부)공동작용적결과;약산성(pH>6.0)조건하,조하침적물대분분구유교대적흡부용량화흡부강도;35 ℃시조하침적물대분분적흡부용량화흡부강도고우기타온도처리;조하하유침적물대분분적흡부용량화흡부강도소우상、중유침적물.[결론]조하침적물대분분구유교대적흡부용량화교호적흡부성능.
[Objective] The aim was to study the environment and chemistry meaning of sediments from Zao River and theirfunction in water self-purification. [Method] With the sediments from upper, middle and lower reaches of Zao River as the studied objects, their absorption characteristics on phenol was explored and the effects of pH value, temperature on their absorption characteristics were investigated. [Result] The absorption characteristics of sediments from Zao River on phenol could be described with Langmuir isotherm equation. The absorption of sediments from Zao River on phenol was not the single molecular adsorption, but was the results of interaction of many kinds of absorption (physical absorption and chemical absorption). In weakly acidic condition (pH>6.0), the sediments from Zao River had bigger adsorption capacity and adsorption intensity on phenol. The absorption capacity and adsorption intensity of sediments from Zao River on phenol at 35 ℃ was higher than those in other temperature treatments. The absorption capacity and adsorption intensity of sediments from lower reaches of Zao River on phenol were smaller than those of sediments from upper and middle reaches of Zao River. [Conclusion]The sediments from Zao River had bigger absorption capacity and good adsorption properties on phenol.