Preparation method of hybrid coal using mixed bio extracted from herbaceous biomass
The present invention relates to a method for manufacturing hybrid coal using a mixed bio liquid extracted from herbal biomass, wherein the mixed bio liquid extracted from herbal biomass is impregnated into low-grade coal for carbonization, thereby having a higher calorific value than that of low-gr...
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Sprache: | eng ; kor |
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Zusammenfassung: | The present invention relates to a method for manufacturing hybrid coal using a mixed bio liquid extracted from herbal biomass, wherein the mixed bio liquid extracted from herbal biomass is impregnated into low-grade coal for carbonization, thereby having a higher calorific value than that of low-grade coal due to a single combustion characteristic (two-in-one fuel) and having enough moldability to be manufactured into pellets and the like. According to the present invention, a method for manufacturing a modified hybrid coal impregnated with a mixed bio liquid comprises the following steps: preparing coal (S10); preparing a mixed solution (mixed bio liquid) containing sugar extracted from herbal biomass (S20); impregnating the mixed bio liquid into pores and surface of the coal (S30); drying the mixed bio liquid-impregnated coal to form a coating layer of the mixed bio liquid (S40); carbonizing the mixed bio liquid-impregnated coal at low temperature (S50); and forming the mixed bio liquid-impregnated coal (S60).
본 발명은 초본계 바이오매스에서 추출한 혼합바이오를 이용하여 저급탄에 함침, 탄화시켜 단일 연소특성(two-in-one fuel)으로 저급탄보다 발열량이 우수하고 팰렛 등으로 제작할 수 있는 우수한 성형성을 갖는 초본계 바이오매스에서 추출된 혼합바이오를 이용한 하이브리드 석탄의 제조방법에 관한 것이다. 본 발명에 따른 혼합바이오가 함침된 개질 하이브리드 석탄의 제조방법은, 석탄을 준비하는 단계(S10)와; 초본계 바이오매스에서 추출한 당이 포함된 혼합액(혼합바이오)을 준비하는 단계(S20)와; 혼합바이오를 석탄의 기공 및 표면에 함침시키는 단계(S30)와; 혼합바이오가 함침된 석탄을 건조시켜 혼합바이오의 코팅층을 형성시키는 단계(S40)와; 혼합바이오가 함침된 석탄을 저온 탄화시키는 단계(S50); 혼합바이오가 함침된 석탄의 성형 단계(S60); 포함하는 것을 특징으로 한다. |
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