Preparation of arsenic-antimony from arsenic alkali residue by calcification transformation-carbonthermal reduction

Article Engineering, Environmental

Solidification/stabilization of highly toxic arsenic-alkali residue by MSWI fly ash-based cementitious material containing Friedel's salt: Efficiency and mechanism

Guanghua Jiang et al.

Summary: This study proposed a new solidification/stabilization method using MFA-CM for AAR, effectively reducing As leaching concentration and discovering the solidification/stabilization mechanism.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Materials Science, Multidisciplinary

Research of the evaporation law of elemental antimony under vacuum

Xinyu Guo et al.

Summary: The evaporation rates and kinetic law of elemental antimony under vacuum were obtained through experimental research and data analysis, providing theoretical guidance for the industrial treatment of elemental antimony by vacuum distillation.

VACUUM (2022)

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Article Engineering, Environmental

Long-term stability of arsenic calcium residue (ACR) treated with FeSO4

Erping Li et al.

Summary: By utilizing a combination treatment with FeSO4 and H2SO4, this study successfully stabilized available As in ACR, significantly reducing leaching concentrations and providing an effective method for ACR disposal.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Engineering, Environmental

Hydrothermal treatment of arsenic sulfide slag to immobilize arsenic into scorodite and recycle sulfur

Weifang Zhang et al.

Summary: A novel hydrothermal treatment method with Fe(NO3)(3) was developed to detoxify arsenic sulfide slag (ASS) by transforming arsenic into scorodite and extracting sulfur in one step. The process significantly reduced the leachability of arsenic-containing solid waste and increased the stability of the arsenic contained solid product.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Engineering, Environmental

A novel scheme for safe disposal and resource utilization of arsenic- alkali slag

Jia Tian et al.

Summary: The paper presents a novel technological scheme for the safe disposal and resource utilization of arsenic-alkali slag, which combines chemical precipitation and fractional crystallization. Through leaching, selective removal of arsenic, and evaporation crystallization, the process achieves no secondary pollution and realizes the reuse of wastewater, producing products that meet environmental requirements.

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION (2021)

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Article Green & Sustainable Science & Technology

Comprehensive utilization and safe disposal of hazardous arsenic-alkali slag by the combination of beneficiation and metallurgy

Jia Tian et al.

Summary: This paper presents a novel process scheme for the comprehensive utilization and safe disposal of hazardous arsenic-alkali slag through the combination of beneficiation and metallurgy. The new technology efficiently recovers valuable alkali and antimony, with all procedures running at room temperature for good occupational health. The whole process is relatively simple, safe, and free from secondary pollution, providing an alternative solution for the treatment of hazardous arsenic-alkali slag.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Engineering, Environmental