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Turning waste into treasure-the utilization of straw as raw materials will be promising

Issuing time:2019-08-14 08:55

In recent years, in order to make the straw industry chain truly circulate, new technologies and new attempts have continued to emerge.


At present, the application scenarios of straw as raw materials have been further broadened. In addition to textile fabrics and tableware packaging, it can also be processed into tissue engineering scaffold materials, fracture internal fixation materials, surgical sutures and

other medical supplies.


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If agricultural wastes such as straws are used to produce polylactic acid, there is not only no risk of "competing food with the people", but also the   pollution problem of straw burning is solved.


Since the country launched the pilot comprehensive utilization of straw in 2016, it has basically formed a development pattern in which the utilization of fertilizers is the mainstay, and the raw materials and base materials are supplemented.


At present, the comprehensive utilization rate of crop stalks in my country is 90%, and the goal and tasks of the "Thirteenth Five-Year Plan" have been successfully completed. Among them, the utilization rate of straw fertilizer is 51.2%, the utilization rate of base material is 2.43%, and the utilization rate of raw material is 2.47%.


At present, the straw material utilization industry is developing rapidly, and the technology of extracting polylactic acid from straw has just entered the mass production stage.


Under the "14th Five-Year Plan" national comprehensive utilization of straw and the continuous deepening of the ban on plastics and other policies, the utilization of   straw as a raw material is still promising in the future.


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