There are great potential for development of pyrolysis technologies of waste tire rubber in China
There are great potential for development of pyrolysis technologies of waste tire rubber in China due to environmental pressure and economical driving force. Techniques developed in China were recently characterized by small-sized device, lower cost to construction and operation, easy to transfer and disperse where it is needed.
The pyrolysis has been essentially governed by the heat transfer of tire particles. The objective of pyrolyser design is cost-effective and energy-efficient operation by using an appropriate operation condition and contact mode between tire particles and heating medium. Cascade Moving Bed (CMB) pyrolyser and Screw pyrolyser may be of prospect in China in near year in view of technological and economical considerations.
One of the major trend in the future is the co-processing of co-mingling waste tire rubber, and other polymers with some motor oils through a recycling technique which can achieve the purpose of waste recycling into commercially viable chemicals or fuel oils. Because waste oil is primarily paraffinic and can provide good solvency and heat transfer medium for waste rubber and plastics, simultaneous processing of mixed waste plastics and rubber with waste oil can yield synergistic effects and thus can increase the production of fuel oils or chemical feedstock of environmentally acceptable grade. At the present time, it is thought that efficient co-processing processes feasible in technical and economical aspects should be developed.