羟基磷灰石复合材料的制备及对Ni2+吸附性能的研究  

Preparation of Hydroxyapatite Composites and Its Adsorption Properties Research for Ni2+

作　　者：郑力 朱新华 ZHENG Li;ZHU Xinhua(Center for the Prevention and Control of Ecological Environmental Pollution,Ningxia Hui Autonomous Region,Yinchuan 750002,China;College of Civil Aviation Safety Engineering,Civil Aviation Flight University of China,Guanghan 618307,China)

机构地区：[1]宁夏回族自治区生态环境污染防治中心,宁夏银川750002 [2]中国民用航空飞行学院民航安全工程学院,四川广汉618307

出　　处：《河南化工》2019年第12期13-16,共4页Henan Chemical Industry

摘　　要：以硅藻土和氢氧化钙为原料,采用动态水热法制备出了硅酸钙中间体,经磷酸二氢钾改性后得到羟基磷灰石复合材料。实验探究了吸附时间和初始离子浓度等因素对吸附过程的影响。结果表明,羟基磷灰石复合材料对污水中Ni^2+离子具有高效的吸附能力,吸附量可达121.5 mg/g,去除率高达99.4%。Using diatomite and calcium hydroxide as raw materials,calcium silicate intermediate is prepared by dynamic hydrothermal method,and hydroxyapatite composite is prepared by potassium dihydrogen phosphate modification.The effects of adsorption time and initial ion concentration on the adsorption process are investigated.The results show that the composite material has high adsorption capacity for Ni^2+in wastewater,the adsorption capacity can reach 121.5 mg/g,the removal rate can reach 99.4%.

关 键 词：氟羟基磷灰石 重金属 吸附 

分 类 号：TQ424[化学工程]