公开(公告)号：KR1020130029954A

公开(公告)日：2013-03-26

申请号：KR1020110093402

申请日：2011-09-16

Applicant: 인하대학교 산학협력단

Inventor： 김철영 ,  임형봉 ,  백일희 ,  남진수

IPC: C02F1/58 ,  C02F1/66 ,  C02F1/52 ,  C02F101/22

CPC classification number: C02F1/58 ,  C02F1/52 ,  C02F1/66 ,  C02F2101/22

Abstract: PURPOSE: A removal method of chromium ions from effluent is provided to adjust the component content, the surface area, and the reaction time of a glass composition for effectively removing the chromium ions. CONSTITUTION: A removal method of chromium ions from effluent comprises the following steps: adjusting the pH of the effluent containing the chromium ions(Cr^6+) into 3-5; and adding a borosilicate based glass composition into the effluent, and reacting the mixture to segregate crystals containing the chromium ions on the surface of glass. The borosilicate based glass composition contains 15-55mol% of silicon dioxide, 10-40mol% of boron trioxide(B2O3), 5-30mol% of sodium oxide(Na2O), and 15-40mol% of one alkaline earth metal oxide selected from MgO, CaO, SrO, or BaO.

Abstract translation: 目的：提供从流出液中去除铬离子的方法，以调节玻璃组合物的组分含量，表面积和反应时间，以有效去除铬离子。 构成：从流出物中去除铬离子的方法包括以下步骤：将含有铬离子（Cr ^ 6 +）的流出物的pH调节至3-5; 并将硼硅酸盐基玻璃组合物加入到流出物中，并使该混合物与玻璃表面上含有铬离子的晶体分离。 硼硅酸盐类玻璃组合物含有15-55mol％的二氧化硅，10-40mol％的三氧化硼（B2O3），5-30mol％的氧化钠（Na2O）和15-40mol％的选自MgO的一种碱土金属氧化物 ，CaO，SrO或BaO。