Preparation of iron/calcium-modified biochar for phosphate removal from industrial wastewater

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Design, synthesis, and performance of adsorbents for heavy metal removal from wastewater: a review

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Microalgal-based biochar in wastewater remediation: Its synthesis, characterization and applications

Xin Ni Law et al.

Summary: Microalgae are attracting attention for their potential biorefinery use or value-added products, with their biomass being converted into volatile biochar through recommended thermochemical conversion techniques. The resulting biochar has desirable properties such as high surface area and pore volume, abundant surface functional groups, and high adsorption capacity. The characteristics of biochar significantly influence the adsorption mechanisms of pollutants from wastewaters, with specific adsorption of organic and inorganic pollutants being reviewed in terms of capacity and efficiency. Future challenges and improvements in the application of microalgal-based biochar in wastewater treatment are also discussed.

ENVIRONMENTAL RESEARCH (2022)

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Article Chemistry, Physical

Removal of phosphate and aluminum from water in single and binary systems using iron-modified carbons

Lorena Delgadillo-Velasco et al.

Summary: The study on simultaneously removing phosphate and aluminum from water using iron-modified activated carbons showed that the sample obtained by Oxidation-Impregnation-Drying procedure exhibited the best adsorption performance in single system and a synergistic effect in binary system. The principal adsorption mechanism was related to electrostatic interactions according to molecular simulation results.

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Goethite dispersed corn straw-derived biochar for phosphate recovery from synthetic urine and its potential as a slow-release fertilizer

Xu Zhang et al.

Summary: In this study, goethite-biochar composites were developed and used for phosphate recovery from urine. The amorphous structure of the composites showed higher adsorption capacity compared to crystalline goethite, making it a promising alternative for slow-phosphate-release fertilizers. The active sites for phosphate adsorption were identified as the Fe-OH bonds forming inner-sphere complexes.

CHEMOSPHERE (2021)

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Fe(III) loaded chitosan-biochar composite fibers for the removal of phosphate from water

Kumuduni Niroshika Palansooriya et al.

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Preparation of biochar and biochar composites and their application in a Fenton-like process for wastewater decontamination: A review

Xuqin Pan et al.

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SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Phosphorus Removal from Wastewater: The Potential Use of Biochar and the Key Controlling Factors

Khatereh Nobaharan et al.

Summary: In recent years, biochar has gained much attention as an economical and environmentally friendly sorbent for removing phosphorus from wastewater. The effectiveness of biochar in phosphorus removal is influenced by its physical and chemical properties, as well as the water matrix chemistry. Future research should focus on factors such as biochar production methods, feedstock types, and water quality conditions that affect phosphorus removal efficiency.

WATER (2021)

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Making waves: Microbe-photocatalyst hybrids may provide new opportunities for treating heavy metal polluted wastewater

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Efficient recovery of phosphate from aqueous solution using biochar derived from co-pyrolysis of sewage sludge with eggshell

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Summary: A novel Ca-modified biochar was prepared by co-pyrolysis of eggshell and sewage sludge for phosphorus recovery from wastewater. The biochar exhibited excellent phosphate adsorption and heavy metal removal abilities, and could also serve as a slow-release P fertilizer to promote plant growth.

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Comparative study on characteristics and mechanism of phosphate adsorption on Mg/Al modified biochar

Yu Deng et al.

Summary: The experimental study on the removal of phosphate from water using Mg/Al-modified corn-cob biochar demonstrates that modified biochar has improved structural properties and adsorption capacity, with 20% Mg-BC showing better efficiency and a wider pH range for phosphate removal. The results suggest that Mg/Al-modified biochar is an environmentally friendly material for the recovery of eutrophic water.

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Article Engineering, Environmental

Distribution and speciation of iron in Fe-modified biochars and its application in removal of As(V), As(III), Cr(VI), and Hg(II): An X-ray absorption study

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Adsorption of phosphate in water on a novel calcium hydroxide-coated dairy manure-derived biochar

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Recovery of ammonium and phosphate from urine as value-added fertilizer using wood waste biochar loaded with magnesium oxides

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Simultaneous phosphate and ammonium removal from aqueous solution by a hydrated aluminum oxide modified natural zeolite

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Phosphorus. removal using ferric-calcium complex as precipitant: Parameters optimization and phosphorus-recycling potential

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Impact of a phosphate fertilizer plant on the contamination of marine biota by heavy elements

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Hybrid ferrihydrite-MF/UF membrane filtration for the simultaneous removal of dissolved organic matter and phosphate

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Preparation of iron/calcium-modified biochar for phosphate removal from industrial wastewater

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