安徽农业科学
安徽農業科學
안휘농업과학
JOURNAL OF ANHUI AGRICULTURAL SCIENCES
2009年
31期
15352-15353
,共2页
龙来寿%周悦%梁凯%李建渠
龍來壽%週悅%樑凱%李建渠
룡래수%주열%량개%리건거
壳聚糖%絮凝%高岭土精选废水%废水处理
殼聚糖%絮凝%高嶺土精選廢水%廢水處理
각취당%서응%고령토정선폐수%폐수처리
Chitosan%Floceulation%Kaolin beneficiation wastewater%Wastewater treatment
[目的]研究壳聚糖对高岭土精选废水的絮凝性能.[方法]采用烧杯混凝试验对高岭土精选废水进行絮凝处理,分别探讨废水的pH值和壳聚糖的投加量对废水中悬浮物去除效率的影响,同时测定其絮凝胶体颗粒的ζ电位.[结果]壳聚糖对高岭土精选废水中的悬浮物具有很强的絮凝效能.在pH值为4.0~7.0及壳聚糖投加量为8.0 mg/L的条件下,悬浮物的去除率大于96%.颗粒ζ电位测定结果表明,电性中和、吸附架桥是壳聚糖絮凝的主要作用机理.[结论]该研究为壳聚糖在高岭土精选废水絮凝处理中的应用提供了科学依据.
[目的]研究殼聚糖對高嶺土精選廢水的絮凝性能.[方法]採用燒杯混凝試驗對高嶺土精選廢水進行絮凝處理,分彆探討廢水的pH值和殼聚糖的投加量對廢水中懸浮物去除效率的影響,同時測定其絮凝膠體顆粒的ζ電位.[結果]殼聚糖對高嶺土精選廢水中的懸浮物具有很彊的絮凝效能.在pH值為4.0~7.0及殼聚糖投加量為8.0 mg/L的條件下,懸浮物的去除率大于96%.顆粒ζ電位測定結果錶明,電性中和、吸附架橋是殼聚糖絮凝的主要作用機理.[結論]該研究為殼聚糖在高嶺土精選廢水絮凝處理中的應用提供瞭科學依據.
[목적]연구각취당대고령토정선폐수적서응성능.[방법]채용소배혼응시험대고령토정선폐수진행서응처리,분별탐토폐수적pH치화각취당적투가량대폐수중현부물거제효솔적영향,동시측정기서응효체과립적ζ전위.[결과]각취당대고령토정선폐수중적현부물구유흔강적서응효능.재pH치위4.0~7.0급각취당투가량위8.0 mg/L적조건하,현부물적거제솔대우96%.과립ζ전위측정결과표명,전성중화、흡부가교시각취당서응적주요작용궤리.[결론]해연구위각취당재고령토정선폐수서응처리중적응용제공료과학의거.
[ Objective ] The research aimed to study the effect of chitosan on the floceulation performance of kaolin benefiriation wastewater. [ Method ] The floceulation experiment of kaolin beneficiation wastewater was carried out by using a lab-scale beaker. The effects of pH value and chitosan dose on removal rate of SS (suspended substance) were investigated. And the ζ potential values of particles were presented. [Result] The chitosan had excellent floceulation efficiency for SS. The removal rate of SS was 96% in the pH range of 4.0 - 7. 0 at the dosage of 8. 0 mg/L chitosan. It was presumed from ζpotential values of particles that the floceulation induced by chitosan was dominated by charge patch mechanism and bond bridging. [ Conclusion ] This research will provide scientific basis for the application of chitosan in the kaolin beneficiation wastewater treatment.