CAJ | 학술논문

在传统的制浆技术中,木素主要是用来作为一种廉价的能量来源.新兴的生物精炼技术的最终目的是代替化石资源来生产燃料和其他产品.为了有效地实现这一目标,生物精炼技术必须充分利用木素这一最丰富的天然芳香族聚合物,并且以此来增加高附加值产品的种类.木素具有用来生产大量高质量产品的潜能,包括碳纤维、热塑性塑料以及氧化芳香族化合物.现有的技术主要关注纤维素的质量,因此使木素受到严重的破坏和污染而具有较低的价值.通过生物精炼技术生产的木素与当今的工业木素相比,均一性更好,受到的污染更少,因此使木素和木素产品有了更加广泛的应用.本文对木素在热水抽提过程中的溶解分离进行了研究,并对其潜在的应用前景进行了介绍.
재전통적제장기술중,목소주요시용래작위일충렴개적능량래원.신흥적생물정련기술적최종목적시대체화석자원래생산연료화기타산품.위료유효지실현저일목표,생물정련기술필수충분이용목소저일최봉부적천연방향족취합물,병차이차래증가고부가치산품적충류.목소구유용래생산대량고질양산품적잠능,포괄탄섬유、열소성소료이급양화방향족화합물.현유적기술주요관주섬유소적질량,인차사목소수도엄중적파배화오염이구유교저적개치.통과생물정련기술생산적목소여당금적공업목소상비,균일성경호,수도적오염경소,인차사목소화목소산품유료경가엄범적응용.본문대목소재열수추제과정중적용해분리진행료연구,병대기잠재적응용전경진행료개소.
In conventional pulping technologies, lignin is used mainly as a low-cost source of energy. Small quantities of industrially produced lignin are used for the production of chemicals and materials. Biorefinery technologies are emerging that have an ultimate goal of replacing fossil sources for the production of fuels and other products. To achieve this goal effectively, biorefinery technologies must take advantage of lignin as the most abundant natural aromatic polymer and use it to add higher-value products to product portfolios. Lignin has the potential to be used in making a broad range of high-quality products, including carbon fibers, thermoplastics, and oxygenated aromatic compounds. Existing processes focus primarily on the quality of cellulose and result in a severely modified and contaminated lignin of relatively low value. Lignin produced in more flexible biorefinery operations is more uniform and less contaminated than currently available industrial lignin, opening the door for broader applications of lignin and lignin products. The results of isolation and characterization of lignin dissolved during hot-water extraction and some potential applications of this lignin are discussed.