酸洗污泥微波辐射深度脱水及其机理
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摘要
在对酸洗污泥微波场中的升温特性进行研究的基础上,就酸洗污泥微波辐射深度脱水新工艺开展了系统研究.结果表明:酸洗污泥在微波场中具有良好的吸波性能,可以采用微波辐射对酸洗污泥进行深度脱水处理,且其微波辐射脱水过程可以用Page经验模型进行解释.
The dehydration rate of the pickling sludge through microwave heating technology was studied,and then the temperature rising characteristics of the pickling sludge in the microwave field was investigated. Influences of the microwave input power and the sludge loading on the dehydration rate of the pickling sludge were determined in detail. Experimental results showed that the pickling sludge has good microwave absorbing property in the microwave field. Microwave radiation can be used for the deep dehydration of the pickling sludge,and the dehydration process can be explained by the Page empirical model.
The dehydration rate of the pickling sludge through microwave heating technology was studied,and then the temperature rising characteristics of the pickling sludge in the microwave field was investigated. Influences of the microwave input power and the sludge loading on the dehydration rate of the pickling sludge were determined in detail. Experimental results showed that the pickling sludge has good microwave absorbing property in the microwave field. Microwave radiation can be used for the deep dehydration of the pickling sludge,and the dehydration process can be explained by the Page empirical model.
引文
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[3]Li Xiaoming,Xie Geng,Hojamberdiev M,et al.Characterization and recycling of nickel and chromium contained pickling sludge generated in production of stainless steel[J].Journal of Central South University,2014,21(8):3241-3246.
[4]张景,孙映,刘旭隆,等.还原-磁选不锈钢酸洗污泥中的金属[J].过程工程学报,2014,14(5):782-786.(Zhang Jing,Sun Ying,Liu Xulong,et al.Recovery of metals from stainless steel pickling sludge by reduction and magnetic separation[J].The Chinese Journal of Process Engineening.2014,14(5):782-786.)
[5]房金乐,杨文涛.不锈钢酸洗污泥的处理现状及展望[J].中国资源综合利用,2014(11):24-28.(Fang Jinle,Yang Wentao.Present situation and prospect of treatment of stainless steel pickling[J].China Resources Comprehensive Utilization,2014(11):24-28.)
[6]赵俊学,李晓明,曾媛,等.冷轧不锈钢板带生产过程酸洗污泥的处理与利用[J].中国稀土学报,2010(28):697-700.(Zhao Junxue,Li Xiaoming,Zeng Yuan,et al.Research on treatment and recycling use of sludge produced in stainless steel pickling process[J].Journal of the Chinese Society of Rare Earths,2010(28):697-700.)
[7]Li Xiaoming,Elsayed M,Zhao Junxun,et al.Recycling of sludge generated from stainless steel pickling process[J].Journal Iron steel Research International,2009,16(5):480-484.
[8]Ma P,Lindblom B,Bjorkman B.Experimental studies on solid-state reduction of pickling sludge generated in the stainless steel production[J].Scandinavian Journal of Metallurgy,2005,34(1):31-40.
[9]黄文平.江苏省酸洗污泥现状调查及管理对策研究[J].中国资源综合利用,2011,29(9):58-60.(Huang Wenping.Investigation and management countermeasure on current status of sludge from acid pickling wastewater treatment in Jiangsu[J].China Resources Comprehensive Utilization,2011,29(9):58-60.)
[10]林乔乔,左武.酸洗污泥经火法冶炼的资源化研究及对策---以沿海某省为例[J].污染防治技术,2017(6):20-22.(Lin Qiaoqiao,Zuo Wu.The development and countermeasures for the resource reuse of pickling sludge by smelting enterprises[J].Pollution Control Technology,2017(6):20-22.)
[11]柏静儒,孙灿辉,张亮,等.油页岩微波干燥过程分析及模拟[J].化学工程,2017,45(2):26-32.(Bai Jingru,Sun Can-hui,Zhang Liang,et al.Analysis and simulation of the microwave drying of oil shale[J].Chemical Engineering,2017,45(2):26-32.)
[12]马洪业,刘晨辉,张利波,等.微波对褐煤介电特性及干燥的影响[J].材料导报,2017,31(22):130-134.(Ma Hongye,Liu Chenhui,Zhang Libo,et al.Effect of microwave on the dielectric properties and drying of lignite[J].Materials Review,2017,31(22):130-134.)
[13]王卫东,涂亚楠,孙阳阳,等.微波吸收剂对褐煤微波提质的影响规律[J].煤炭学报,2018,43(5):1440-1447.(Wang Weidong,Tu Yanan,Sun Yangyang,et al.Enhancement of microwave absorbents on quality of microwave dehydrated lignite[J].Journal of China Coal Society,2018,43(5):1440-1447.)
[14]彭金辉,夏洪应.微波冶金[M].北京:科学出版社,2017:2-15.(Peng Jinhui,Xia Hongying.Microwave metallurgy[M].Beijing:The Science Publishing Company,2017:2-15.)
[15]Karathanos V T,Belessiotis V G.Application of a thin-layer equation to drying data of fresh and semi-dried fruits[J].Journal of Agricultural Engineering Research,1999,74(4):355-361.
[16]施明川.微波干燥酸洗污泥过程研究及神经网络的预测[D].沈阳:东北大学,2015:36-44.(Shi Mingchuang.Study on microwave drying pickling sludge process and neural network prediction[D].Shenyang:Northeastern University,2015:36-44.)
[17]Zhaohui Tang,Xueyong Ding,Xinlin Yan,et al.Recovery of iron,chromium,and nickel from pickling sludge using smelting reduction[J].Metals,2018,8(11):936.