In the quest for cleaner water, scientists have developed a groundbreaking material known as Molecularly Imprinted Magnetic Biochar (MBC@MIPs). Through a meticulous process called molecular imprinting precipitation polymerization, this material was synthesized to selectively remove oxytetracycline (OTC) from water samples.

Upon analysis, MBC@MIPs revealed a unique structure with a memory cavity shell layer on its surface, showcasing remarkable magnetic and thermal stability. The adsorption kinetics indicated that the process aligned with the pseudo-second-order rate equation, with chemisorption as the primary mechanism. The Langmuir isotherm model perfectly described the data, revealing a maximum binding capacity of 67.89 mg·g−1 at 299 K, surpassing conventional magnetic biochar (MBC) by 1.77 times.

What sets MBC@MIPs apart is its exceptional selectivity for OTC, demonstrated by an impressive imprinting factor (IF) of 5.64. Even in the presence of other antibiotics, MBC@MIPs maintained a substantial adsorption capacity for OTC, emphasizing its reliability in complex water environments.

In conclusion, this innovative water purification technology not only showcases enhanced performance but also holds promise for addressing water pollution challenges. The development of MBC@MIPs marks a significant stride towards sustainable water treatment solutions.

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