Magnesium doped biochar for simultaneous adsorption of phosphate and nitrogen ions from aqueous solution

Biswas, Bijoy; Adhikari, Sushil; Jahromi, Hossein; Ammar, Mohamed; Baltrusaitis, Jonas; Torbert, Allen; Linhoss, John; Lamba, Jasmeet

doi:10.1016/j.chemosphere.2024.142130

Chemosphere

2024

DOI: 10.1016/j.chemosphere.2024.142130

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Magnesium doped biochar for simultaneous adsorption of phosphate and nitrogen ions from aqueous solution

Bijoy Biswas,

Sushil Adhikari,

Hossein Jahromi

et al.

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Cited by 3 publications

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Simultaneous Improvement of Water/Fertility Retention and Physical Properties of Dredged Sediment Using a Novel Composite Amendment

Huo,

Fu,

Che

et al. 2024

Water Air Soil Pollut

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Simultaneous Improvement of Water/Fertility Retention and Physical Properties of Dredged Sediment Using a Novel Composite Amendment

Huo,

Fu,

Che

et al. 2024

Water Air Soil Pollut

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Metal-doped biochar for selective recovery and reuse of phosphate from water: Modification design, removal mechanism, and reutilization strategy

Qu,

Peng,

Wang

et al. 2024

Bioresource Technology

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Upcycling Polyurethane Plastics via Thermochemical Conversion Pathways: A Comparison of Hydrothermal Liquefaction and Pyrolysis Processes

Hartmann,

Rahman,

Carias

et al. 2024

ACS Sustainable Chem. Eng.

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Polyurethane is a plastic used in everyday applications in the form of foams, adhesives, coatings, or sealants and is predominantly landfilled. This study examined the liquid products formed through the thermochemical depolymerization of linear thermoplastic polyurethane pellets via both pyrolysis and hydrothermal liquefaction processes. The reaction temperatures investigated ranged from 250 to 550 °C and were based on thermogravimetric analysis of the feedstock. The pyrolysis of polyurethane at 550 °C produced the highest liquid yields (63.08 ± 2.46 wt %) and also had the greatest energy recovery of 59.25%. Conversely, the highest oil yields for the hydrothermal liquefaction process occurred at 400 °C with 40.09 ± 4.06 wt %. The hydrothermal liquefaction oil produced at 400 °C had the highest carbon content (70.37 ± 4.00 wt %) and the lowest oxygen content (16.45%). The most valuable chemicals detected were aniline and p-aminotoluene, found predominantly in hydrothermal liquefaction oils. The highest aniline concentration (94.25 ± 11.39 mg of aniline/g of sample) was measured for the 400 °C hydrothermal liquefaction oils. Hydrothermal liquefaction of thermoplastic polyurethane at 400 °C produced oil with the highest yield, carbon content, and aniline and p-aminotoluene concentrations. The extraction of aniline and paminotoluene for producing diisocyantes in conjunction with using biopolyols to produce a sustainable polyurethane polymer should be investigated to improve the circularity of the plastic industry.

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Magnesium doped biochar for simultaneous adsorption of phosphate and nitrogen ions from aqueous solution

Cited by 3 publications

References 40 publications

Simultaneous Improvement of Water/Fertility Retention and Physical Properties of Dredged Sediment Using a Novel Composite Amendment

Simultaneous Improvement of Water/Fertility Retention and Physical Properties of Dredged Sediment Using a Novel Composite Amendment

Metal-doped biochar for selective recovery and reuse of phosphate from water: Modification design, removal mechanism, and reutilization strategy

Upcycling Polyurethane Plastics via Thermochemical Conversion Pathways: A Comparison of Hydrothermal Liquefaction and Pyrolysis Processes

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