Optimisation of technology of thermomechanical development of vegetable raw materials with the aim of biofuel and fertilizers production
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2020-04-13 02:16
SM ISO690:2012
LEVCHENKO, Sergei. Optimisation of technology of thermomechanical development of vegetable raw materials with the aim of biofuel and fertilizers production. In: NANO-2019: Limits of Nanoscience and Nanotechnologies, Ed. 2019, 24-27 septembrie 2019, Chişinău. Chișinău, Republica Moldova: 2019, p. 61.
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NANO-2019: Limits of Nanoscience and Nanotechnologies 2019
Conferința "SPINTECH Summer school “S/F Hybrid Structures for Spintronics”"
2019, Chişinău, Moldova, 24-27 septembrie 2019

Optimisation of technology of thermomechanical development of vegetable raw materials with the aim of biofuel and fertilizers production


Pag. 61-61

Levchenko Sergei
 
A.V. Luikov Heat and Mass Transfer Institute of NAS of Belarus
 
 
Disponibil în IBN: 23 ianuarie 2020


Rezumat

It was shown that an effective way to increase the yield of oil during the physical extraction process is the destruction of the cell structure of the kernel. An effective method is known that provides the maximum destruction of the cell matrix of plant materials, the so-called steam-explosion auto- hydrolysis: heating of the material under pressure followed by rapid decompression or so-called. “Shock thermal loading” (heating at a rate at which an unrelaxable pressure gradient of the treated steam arises inside the molecule). The overall goal of the research is the development of thermo-mechanical treatment technologies for bio-mass raw materials to improve the processing efficiency and the quality of the products for bio-energy and fertilizer production. In this framework a decentralized modular process technology, which can be housed and mounted in containers is the main goal of the development and of the improvements. This is taking up the demand of small and medium sized companies and farmers in the Eastern European as well in the Southern German areas. The essence of the proposed method lies in the microwave effect on the plant material before extrusion treatment under pressure of the resulting vapor, followed by rapid decompression through the screw gate. At the exit from the extruder, additional pressure relief through a special matrix is also carried out, and the oil is subjected to ultrasonic or pulse-cavitation processing. It should be noted a decrease in the moisture content of the material during such processing, and the effectiveness of such drying is significantly higher (by 25-30%) than during thermal drying, since a significant part of the moisture is squeezed out of the material mechanically under the pressure of the resulting steam.