Abstract

With its ever-increasing demand, the enormous production of low density polyethylene (LDPE) is leading to its huge accumulation in the environment. LDPE remains durable and inert to natural degradation and deterioration. This chapter focuses on various microbial effects and approaches on biodegradation of LDPE. Biodegradation takes place through several different strategies, such as assimilation, biodeterioration, biofragmentation, etc. Few microorganisms have so far been isolated which can grow on LDPE. Degradation by microbial enzyme is considered to be one of the most powerful tools to study the biodegradation of LDPE. Some blends and composites of LDPE with natural polymers have been found to be biodegradable; however, their manufacturing is costly. Thorough analysis of the microbial degradation of LDPE helps us realize the overall mechanism involved. In essence, this chapter aims to objectify the in situ biodegradation of LDPE via development of microbial biofilm on the polymer surface.

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