硅藻土-膨润土与纸浆复合吸附剂对重金属的去除

S. Hayrapetyan, M. S. Hayrapetyan, A. I. Martiryan, H. H. Darbinyan, H. H. Khachatryan
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摘要

采用ICP-MS法研究了有机复合吸附剂的吸附性能。以Jradzor矿床的硅藻土和Sarigyuh矿床(亚美尼亚)的膨润土作为无机组分。硅藻土由于其高孔隙率(V = 2.0 cm3/g)和大孔径(150-200 nm),可以作为结构形成成分,并提供传质。膨润土负责吸附剂的功能。有机成分也负责所获得的吸附剂的功能。用酸(硝酸和磷酸)预处理的纸作为有机组分。以含重金属阳离子的合成溶液为研究对象。实验在Jar-Test装置上以静态模式进行。
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COMPOSITE SORBENTS BASED ON DIATOMITE-BENTONITE AND PAPER-PULP FOR THE REMOVAL OF HEAVY METALS
The sorption properties of organomineral composite sorbents have been investigated by ICP-MS method. The diatomite of the Jradzor deposit and bentonite of the Sarigyuh deposit (Armenia) were used as inorganic constituents. Diatomite serves as a structure-forming component and provides mass transfer due to its high porosity (V = 2.0 cm3/g) and large pore sizes (150–200 nm). Bentonite is responsible for the functionality of the sorbents. The organic component is also responsible for the functionality of the obtained sorbents. Paper pretreated with acids (nitric and phosphoric) was used as an organic component. A synthetic solution containing cations of heavy metals was used as an object of study. The experiments were carried out in static mode on a Jar-Test device.
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