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PRODUCTION OF MONO SUGARS AND MICRO CELLULOSE FROM WOOD PROCESSING WASTE (SAWDUST)

Creation of equipment and technology for low-cost deep conversion of sawdust into mono sugars and further into biobutanol and protein-vitamin supplements to feed cattle
Production of biobutanol from cellulosic recycled agricultural waste and forest waste

Butanol is used as:
  • a solvent in the paint and varnish industry,
  • in the synthesis of many organic compounds
  • a component to conventional fuels or as a stand-alone fuel for vehicles.

In addition, this product solves waste recycling problems 
 
 The main scientific objective is to destroy cellulose to the point where the enzymes will start working.
The use of mechanical treatment is one of the most versatile methods of applying an impact on cellulose and wood materials. This is so because grinding increases the availability of cellulose in wood.
Improving the resulting effects of mechanical treatment is achieved by pre-irradiation (the materials become more fragile and are easily grinded) and (or) application of ozonolysis.
 
Creation and testing of an experimental sawdust grinding installation
In the course of work, the basic parameters were calculated, and the sketch project of the unit was executed. (grinding of sawdust to a particle size of 0.2 ... 0.5 microns).
The effect
 of electro-mechanical impact (electrolysis) on sawdust was studied. The study showed a 7-10% increase in sugar yield.
 To determine the hold-down pressure of the work rolls located in the experimental installation, researches were carried out on a laboratory setup. This was considered when designing the large installation.
A series of work on lignin destruction by ozonation and on the study of the processes occurring in cellulose when a mechanical impact is applied on sawdust is being conducted together with the Institute of Physical Chemistry of the Russian Academy of Sciences.