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The traditional impression of graphene can only come from graphite minerals, now there is a new way to subvert the tradition, China's experts use from corn cores to extract aldehyde and other substances after the remaining cellulose as raw materials to prepare biomass graphene materials, but also to achieve mass production, has created a value of more than 100 million yuan.
Recently, by Heilongjiang University and Jinan Shengquan Group Co., Ltd. jointly completed the "biomass graphene material green macro-preparation process" project through the expert group identification, the results of the identification that the project in the international first extraction from biomass to prepare graphene material technology path, the method of environmental protection, low cost, biomass graphene material quality, excellent conductivity.
there are three main ways to produce conventional graphene materials, one is to peel off graphite, the second is to chemical vapor deposition of natural gas, methane, etc., and the third is graphite oxide reduction.
above methods have problems such as long production cycle, serious environmental pollution and limited production capacity.
The Functional Inorganic Materials Chemistry Laboratory of Heilongjiang University, led by Professor Fu Honggang, is a key laboratory of the Ministry of Education, and they have a unique way to use cellulose in corn cores for chemical recombination to synthesize biomass graphene materials.
the team realized the macro-preparation of biomass graphene materials through the "base group assembly and carbon analysis method", and was also developing a preparation process using corn straw to prepare graphene.
established the world's first production line of 20 tons of biomass graphene material in 2014 and expanded to 100 tons per year in 2016.
first application of biomass graphene materials to a variety of fiber composites and successfully achieved uniform dispersion, the first time to achieve the results of biomass graphene material conversion and commercialization of graphene fiber products.
In China, the annual output of corn cores alone in biomass is as high as 100 million tons, mostly concentrated in the three northeastern provinces, Shandong Province, Hebei Province, the annual output of 100 tons of biomass graphene materials supported by the product line can bring output value of 300 million to 500 million yuan.
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