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Enhanced simultaneous removal of phosphate and ammonium from swine wastewater using magnetic magnesium-loaded Chinese herbal medicine residues: Performance, mechanism, and resource utilization.
Wang, Guiyin; Liu, Ruoqi; Yang, Zhanbiao; Liu, Wei; Xu, Xiaoxun; Zhang, Shirong; Cheng, Zhang; Lv, Guochun; Xu, Changlian; Cai, Junzhuo; Pu, Zhien.
Afiliación
  • Wang G; College of Environmental Sciences, Sichuan Agricultural University, Chengdu 611130, China; Sichuan Provincial Key Laboratory of Soil Environmental Protection, Chengdu 611130, China.
  • Liu R; College of Environmental Sciences, Sichuan Agricultural University, Chengdu 611130, China.
  • Yang Z; College of Environmental Sciences, Sichuan Agricultural University, Chengdu 611130, China.
  • Liu W; Agriculture and Rural Bureau of Xuyong County, Luzhou 646400, China.
  • Xu X; College of Environmental Sciences, Sichuan Agricultural University, Chengdu 611130, China; Sichuan Provincial Key Laboratory of Soil Environmental Protection, Chengdu 611130, China. Electronic address: xuxiaoxun2013@163.com.
  • Zhang S; College of Environmental Sciences, Sichuan Agricultural University, Chengdu 611130, China; Sichuan Provincial Key Laboratory of Soil Environmental Protection, Chengdu 611130, China.
  • Cheng Z; College of Environmental Sciences, Sichuan Agricultural University, Chengdu 611130, China.
  • Lv G; College of Environmental Sciences, Sichuan Agricultural University, Chengdu 611130, China.
  • Xu C; College of Environmental Sciences, Sichuan Agricultural University, Chengdu 611130, China.
  • Cai J; College of Environmental Sciences, Sichuan Agricultural University, Chengdu 611130, China.
  • Pu Z; College of Agronomy, Sichuan Agricultural University, Chengdu 611130, China.
Bioresour Technol ; 393: 130103, 2024 Feb.
Article en En | MEDLINE | ID: mdl-38008222
Magnetic magnesium (Mg)-loaded Chinese herbal medicine residues (MM-TCMRs) were fabricated to simultaneously remove and recover phosphate and ammonium from wastewater. The MM-TCMRs exhibited larger specific surfaces and rougher structures with massive spherical particles than those of original residues. They could be separated by adjusting the magnetic field. The phosphate and ammonium adsorption by MM-TCMRs were matched with the pseudo-second-order model, while the Langmuir model yielded the maximum adsorption capacities of 635.35 and 615.57 mg g-1, respectively. Struvite precipitation on the MM-TCMRs surface was the primary removal mechanism with electrostatic attraction, ligand exchange, intra-particle diffusion, and ion exchange also involved. The recyclability of MM-TCMRs confirmed their good structural stability. More importantly, the nutrient-loaded MM-TCMRs enhanced alfalfa growth and improved soil fertility in planting experiments. Collectively, the MM-TCMRs are promising candidates for nutrient removal and recovery from wastewater.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Medicamentos Herbarios Chinos / Compuestos de Amonio Límite: Animals Idioma: En Revista: Bioresour Technol Asunto de la revista: ENGENHARIA BIOMEDICA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Medicamentos Herbarios Chinos / Compuestos de Amonio Límite: Animals Idioma: En Revista: Bioresour Technol Asunto de la revista: ENGENHARIA BIOMEDICA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido