Inorganic Chemicals Industry >
Study on adsorption properties of blast furnace slag for La3+
Received date: 2019-02-14
Online published: 2020-06-15
Blast furnace slag is the main waste slag produced in blast furnace iron-making process.With the vigorous development of iron and steel industry in China,the discharge of blast furnace slag is increasing day by day.The accumulation of blast furnace slag not only increases the environmental burden,but also is a waste of resources.To improve the added value of blast furnace slag,the adsorption properties of blast furnace slag for La3+were investigated.The physicochemical properties of blast furnace slag were characterized by scanning electron microscope,X-ray fluorescence diffraction and nitrogen adsorption desorption apparatus.In order to further study the adsorption behavior and mechanism of blast furnace slag,the adsorption mechanism of La3+ on blast furnace slag was discussed in terms of kinetics and thermodynamics.The experimental results showed that: the blast furnace slag was well-defined with micro-crack structure,and were amorphous glass bodies.In the experiment of adsorption behavior,the experimental data met the quasi-first order kinetics and Langmuir isothermal adsorption model,respectively.
Dianchun Ju , Xiazhi Zhou , Lirui Zhang , Lei Zhou , Chunyu Chen , Zhibin Yang . Study on adsorption properties of blast furnace slag for La3+[J]. Inorganic Chemicals Industry, 2019 , 51(8) : 44 -47 . DOI: 10.11962/1006-4990.2018-0525
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