典型文献
Crayfish Shell Waste as Safe Biosorbent for Removal of Cu2+and Pb2+from Synthetic Wastewater
文献摘要：
Crayfish shell is an abundant natural waste and is also a potential biosorbent for pollu-tants,especially,heavy metals.In this study,the safety of the use of crayfish shell as a biosorbent was first as-sessed by release ex-periments involving pri-mary heavy metal ions,such as Cu2+,Zn2+,and Cr3+,in aqueous solution under different environmental condi-tions.The release concentrations of heavy metals were dependent on pH,ionic strength,and humic acid;and the maximum release concentrations of heavy metals were still lower than the national standard.Specifically,Cu2+and Pb2+removal by crayfish shell in syn-thetic wastewater was investigated.The removal process involved biosorption,precipitation,and complexation,and the results indicate that crayfish shell is an excellent biosorbent for Cu2+and Pb2+removal.The precipitation step is particularly dependent on Ca species,pH,and temperature.The maximum removal capacities of Pb2+and Cu2+were 676.20 and 119.98 mg/g,respectively.The related precipitates and the generated complex products include Cu2CO3(OH)2,Ca2CuO3,CuCO3,Pb2CO3(OH)2,CaPb3O4,and PbCO3.
文献关键词：
中图分类号：
作者姓名：
Wan-qun Hu;Shuo Chen;Hong Jiang
作者机构：
CAS Key Laboratory of Urban Pollutants Conversion,Department of Applied Chemistry,University of Science and Technology of China,Hefei 230026,China
文献出处：
引用格式：
[1]Wan-qun Hu;Shuo Chen;Hong Jiang-.Crayfish Shell Waste as Safe Biosorbent for Removal of Cu2+and Pb2+from Synthetic Wastewater)[J].化学物理学报（英文版）,2022(05):842-852
A类：
Crayfish,Biosorbent,Pb2+from,Pb2+removal,Pb2+and,Cu2+were,Cu2CO3,Ca2CuO3,Pb2CO3,CaPb3O4
B类：
Shell,Safe,Removal,Cu2+and,Synthetic,Wastewater,shell,abundant,natural,also,potential,biosorbent,pollu,tants,especially,heavy,metals,In,this,study,safety,use,crayfish,first,sessed,by,release,periments,involving,pri,mary,such,Zn2+,Cr3+,aqueous,solution,under,different,environmental,condi,concentrations,dependent,ionic,strength,humic,acid,maximum,still,lower,than,national,standard,Specifically,syn,wastewater,investigated,process,involved,biosorption,precipitation,complexation,results,indicate,that,excellent,step,particularly,species,temperature,capacities,respectively,related,precipitates,generated,products,include,CuCO3,PbCO3
AB值：
0.484519
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