Morphology analysis of hexavalent chromium reduction to trivalent chromium with syrup under different pH conditions

被引：0
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作者：
Zi-Fang Chen
Xu Guan
Yong-Sheng Zhao
机构：
[1] Shandong Academy for Environmental Planning,Key Laboratory of Groundwater Resources and Environment, Ministry of Education and College of Environment and Resources
[2] Jilin University,undefined
来源：
Applied Water Science | 2019年 / 9卷
关键词：
Morphological and valence analysis; Chromium reduction; Syrup;
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摘要：
Batch experiments were designed to ascertain the morphology and valence of chromium in the reduction of hexavalent chromium with syrup under different pH conditions. Results indicated that the syrup reduced hexavalent chromium to trivalent chromium, and the existing forms of Cr were mainly Cr(OH)3, CrOOH and CrOOH–Fe. The percentage of Fe–Mn oxide-bound state was 29.28%, 29.28%, 22.22% and 20.12%, respectively, and the percentage of organic binding state was 64.71%, 66.58%, 74.74% and 73.14%, respectively, in the reaction systems at different pH (2.0, 2.5, 3.0 5.6) conditions.
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