污泥丙烯酸吸水树脂性能试验及在榆林矿区植被恢复中的应用  

PERFORMANCE TEST OF SLUDGE ACRYLIC ACID WATER-ABSORBING RESIN AND ITS APPLICATION IN VEGETATION RESTORATION IN YULIN MINING AREA

作　　者：聂兴信[1] 付小艳 程平[1] 孙锋刚[1] NIE Xing-xin;FU Xiao-yan;CHENG Ping;SUN Feng-gang(College of Resource Engineering,Xi’an University of Architecture and Technology,Xi’an Shanxi 710055,China;College of Management,Xi'an University of Architecture and Technology,Xi'an Shanxi 710055,China)

机构地区：[1]西安建筑科技大学资源工程学院,西安710055 [2]西安建筑科技大学管理学院,西安710055

出　　处：《地质灾害与环境保护》2022年第1期114-120,共7页Journal of Geological Hazards and Environment Preservation

基　　金：陕西省重点研发计划工业攻关项目(2020GY-211);榆林市科技计划项目(2019-176)。

摘　　要：水资源是影响榆林废弃矿区植被恢复的关键因素,污泥丙烯酸吸水树脂的保水特性有利于矿区植被恢复。通过试验方法研究污泥丙烯酸吸水树脂的性能及其对植物栽植的土壤含水率、植物株高、植物成活率的影响规律,并采用内梅罗指数法对复垦土壤进行质量评价。结果表明:污泥丙烯酸吸水树脂最大的吸水倍率为763.4 g/g;添加保水剂后土壤含水率的下降幅度变小,范围在19.86%~25.37%,植物的株高、成活率较对照组均有提高;复垦土壤中重金属含量情况为:Cr>Zn>Cu>Pb>Ni>Cd,土壤质量清洁。Water resources are a key factor affecting vegetation restoration in abandoned mining areas in Yulin.The water retention properties of sludge acrylic acid absorbent resin are beneficial to vegetation restoration in mining areas.The performance of sludge acrylic acid water-absorbing resin and its influence on the soil moisture content,plant height and survival rate of plants were studied by experimental methods,and the quality of reclaimed soil was evaluated by Nemerow index method.The results showed that the maximum water absorption rate of sludge acrylic acid water-absorbing resin was 763.4 g/g;after adding water-retaining agent,the decrease of soil moisture content became smaller,ranging from 19.86%to 25.37%.The plant height and survival rate of plants were both higher than those of the control group.There has been an increase;the content of heavy metals in the reclaimed soil is:Cr>Zn>Cu>Pb>Ni>Cd,and the soil quality is clean.

关 键 词：污泥 丙烯酸吸水树脂 植物种植 内梅罗指数法 

分 类 号：X171.4[环境科学与工程—环境科学]