MinusMicro SIGNED

Project "MinusMicro" data sheet

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 Project objective

Microplastic contamination in aquatic systems has emerged as a global issue with lasting and hazardous environmental impacts. The present research work aims at remediating microplastics in the native and secondary pollutant laden forms using biopolymer assisted coagulation technique. The novelty in this research lies in synthesizing, characterizing and applying various forms of chitosan namely, ultrasonicated (Enhanced ortho-kinetic and hydrodynamic interactions between chitosan and microplastics are expected to enhance particle removal based on the size and surrounding salinity), electrospun (development of chitosan nanofibers in native, grafted and hydroalcoholic forms for intensifying microplastic coagulation especially for the purpose of bulk recovery and upcycling based on enhancing the bridging potential), cavitated (Development of cavitated chitosan nanofibers of arbitrary sizes and correlate it with the overall gelling strength and coagulation efficiency for removal of microplastics of varying shapes) and surface imprinting (Development of a ‘double imprinted form’ of chitosan particle suspension specially meant to coagulate microplastics by dually interacting with the bound ionic heavy metals and polyaromatics, due to its high binding capacity, high selectivity, and fast mass transfer). The primary research objectives include (i) development and characterization of various functionalized forms of chitosan (ii) generate a two-way evaluation system for coagulation potential and (iii) develop suitable collaborations with waste management organizations and perform real-time application on microplastic recovery and sludge reuse (for construction materials). A wide variety of activated biopolymers would therefore be a sustainable, eco-friendly and effective alternative to synthetic and harmful coagulants used very popularly.