Transferring waste red mud into ferric oxide decorated ANA-type zeolite for multiple heavy metals polluted soil remediation

Yang，Dazhong; Wang，Ranhao; Feng，Xuezhen; Chu，Zheting; Li，Jing; Wei，Wenfei; Zheng，Renji; Zhang，Juan; Chen，Hong

2022-02-15

10.1016/j.jhazmat.2021.127244

JOURNAL OF HAZARDOUS MATERIALS   影响因子和分区

0304-3894

1873-3336

Herein, a novel “waste reclamation for soil remediation” strategy has been developed for both alkaline waste red mud (RM) recycling and heavy metal (HM) polluted soil remediation. Through a direct one-pot hydrothermal reaction process, the Al, Si, alkali, and FeO components in waste RM have been transferred into ferric oxide decorated ANA-type zeolite (FeO-ANA). As tested by the HMs polluted soil remediation and oilseed rape planting experiment, when 25 g/kg FeO-ANA is added into the Pb, Cu, Cr and anionic AsO polluted soil (HM concentration: 100–200 mg/kg), it can effectively suppress the HMs mobility in soil and reduce the bio-accumulation concentrations of HMs in the harvested oilseed rape (reduce ratio: 37.9–69.5%). The detailed mechanism study using energy dispersive X-ray energy spectroscopy, in-depth X-ray photoelectron spectroscopy and density function theory calculation concludes that the Cu, Pb and Cr in soil have been adsorbed and trapped in the framework structure of ANA in FeO-ANA mainly via the cation exchange process. While the anionic AsO species are mainly caught by the FeO component in FeO-ANA via surface adsorption. Overall, this work firstly transforms waste RM into FeO-ANA for soil remediation, which is valuable to waste resource recycling and environmental conservation.

Heavy metal Red mud Soil remediation Zeolites

SCI ; EI

英语

第一 ; 通讯

20213910952852

Density functional theory ; Oilseeds ; Recycling ; Soil conservation ; Soil pollution ; Soils ; Vegetables ; X ray photoelectron spectroscopy ; Zeolites

Industrial Wastes:452.3 ; Soils and Soil Mechanics:483.1 ; Metallurgy and Metallography:531 ; Inorganic Compounds:804.2 ; Agricultural Products:821.4 ; Probability Theory:922.1 ; Atomic and Molecular Physics:931.3 ; Quantum Theory; Quantum Mechanics:931.4

ENGINEERING

2-s2.0-85115747705

Scopus

State Environmental Protection Key Laboratory of Integrated Surface Water Groundwater Pollution Control,Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control,Key Laboratory of Municipal Solid Waste Recycling Technology and Management of Shenzhen City,Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials,School of Environmental Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China

Yang，Dazhong,Wang，Ranhao,Feng，Xuezhen,et al. Transferring waste red mud into ferric oxide decorated ANA-type zeolite for multiple heavy metals polluted soil remediation[J]. JOURNAL OF HAZARDOUS MATERIALS,2022,424.

Yang，Dazhong.,Wang，Ranhao.,Feng，Xuezhen.,Chu，Zheting.,Li，Jing.,...&Chen，Hong.(2022).Transferring waste red mud into ferric oxide decorated ANA-type zeolite for multiple heavy metals polluted soil remediation.JOURNAL OF HAZARDOUS MATERIALS,424.

Yang，Dazhong,et al."Transferring waste red mud into ferric oxide decorated ANA-type zeolite for multiple heavy metals polluted soil remediation".JOURNAL OF HAZARDOUS MATERIALS 424(2022).