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  Sustainable Recycling of Waste: New Composite Biochar Removes Over 120 Milligrams of Lead per Gram

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  Low-Cost Magnetic Biochar from Solid Waste Achieves an 87.39 mg/g Adsorption Capacity for Tetracycline

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  The Role of Amorphous C-O-Fe Structures in Degrading Tetracycline Using Biochar-Based Catalysts

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  Red Mud to the Rescue: Sustainable Wastewater Treatment with a Novel Biochar Catalyst