Parameters Synthetic Plastics Biodegradable Plastics
Synthesis Crude oil Microorganism
Flash distillation Waste carbon sources
Column distillation Culturing
Cracking (use of catalyst) Biomass separation
Polymerization Polymer recovery
Heat required for every step Heat required for film preparation  and drying
Degradation Ethylene, CO2, CH4 production Biological compounds are produced
Toxic Non-toxic
Never degrade Take days to months
Table 6: Factors deciding cost.