转炉脱硫渣理化特性及吸附性能研究

doi:10.11962/1006-4990.2020-0058

Abstract

Abstract:

Hot metal pretreatment desulfurization slag was used as the adsorbent material,and a low concentration Ce³⁺ solu-tion was used to simulate a rare earth wastewater solution.The adsorption of Ce³⁺ by desulfurization slag was studied.X-ray diffractometer（XRD）,scanning electron microscope（SEM） and X-ray fluorescence spectrometry（XRF） were used to analyze the physical and chemical properties of the desulfurization slag.The effect of reaction time and initial concentration on the performance of Ce³⁺ adsorbed by the adsorbent to investigate the adsorption performance and mechanism of Ce³⁺ by desulfu-rization slag.The results showed that the desulfurization slag had a good adsorption effect on low-concentration Ce³⁺.At room temperature,the maximum adsorption rate of Ce³⁺ solution by the desulfurization slag was 96.8%.The reaction time and initial Ce³⁺ concentration had little effect on the desulfurization slag.

Key words: desulfurization slag, Ce ³⁺ solution, adsorbent, physical and chemical characteristics

CLC Number:

TQ133.3

Lu Yuyuan,Xu Song,Su Tong,Yang Zhibin,Zhang Qiqin,Zhang Yang. Study on physical and chemical characteristics and adsorption performance of converter desulfurization slag[J]. Inorganic Chemicals Industry, 2021, 53(1): 87-90.

Figures/Tables 9

References 13

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时间/min	吸附率/%	时间/min	吸附率/%
5	95.30	60	96.84
10	95.85	120	96.86
20	96.65	150	96.82
30	96.75	180	96.84

初始质量浓度/ （mg·L^-1）	吸附率/%	初始质量浓度/ （mg·L^-1）	吸附率/%
50	94.26	200	95.12
100	95.25	250	96.92
150	96.84	300	96.86

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Study on physical and chemical characteristics and adsorption performance of converter desulfurization slag

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