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    • 6. 发明授权
    • Method to product microcellulose
    • 产品微纤维的方法
    • US09469695B2
    • 2016-10-18
    • US13697718
    • 2011-06-07
    • Olli DahlKari VanhataloKari Parviainen
    • Olli DahlKari VanhataloKari Parviainen
    • D21C9/00D21C11/00C08B15/02
    • C08B15/02D21C9/002D21C9/004D21C11/0007Y02P20/125
    • The present invention relates to a process for producing microcellulose comprising hydrolyzing fibrous cellulosic material with an acid at an elevated temperature or acidifying fibrous cellulosic material followed by washing and hydrolyzing the washed cellulosic material at an elevated temperature to produce a microcellulose-hydrolysate mixture followed by separation of the microcellulose from the hydrolysate, wherein the mixture or separated hydrolysate or microcellulose is optionally neutralized, and wherein the microcellulose production is integrated to production of a pulp mill such that at least part of chemicals used in the acidification, acid hydrolysis and/or neutralization is produced by an integrated chemical recovery process of the pulp mill.
    • 本发明涉及一种生产微纤维素的方法,其包括在高温下用酸水解纤维状纤维素材料或酸化纤维状纤维素材料,然后在升高的温度下洗涤和水解洗涤过的纤维素材料,以产生微纤维素水解产物混合物,随后分离 的水解产物的微纤维素,其中混合物或分离的水解产物或微纤维素任选中和,并且其中将微纤维素生产整合到制浆机中,使得用于酸化,酸解和/或中和的至少一部分化学品 是通过纸浆厂的综合化学回收工艺生产的。
    • 7. 发明申请
    • NOVEL METHOD TO PRODUCT MICROCELLULOSE
    • 产生微纤维素的新方法
    • US20130203981A1
    • 2013-08-08
    • US13697718
    • 2011-06-07
    • Olli DahlKari VanhataloKari Parviainen
    • Olli DahlKari VanhataloKari Parviainen
    • C08B15/02
    • C08B15/02D21C9/002D21C9/004D21C11/0007Y02P20/125
    • The present invention relates to a process for producing microcellulose comprising hydrolyzing fibrous cellulosic material with an acid at an elevated temperature or acidifying fibrous cellulosic material followed by washing and hydrolyzing the washed cellulosic material at an elevated temperature to produce a microcellulose-hydrolysate mixture followed by separation of the microcellulose from the hydrolysate, wherein the mixture or separated hydrolysate or microcellulose is optionally neutralized, and wherein the microcellulose production is integrated to production of a pulp mill such that at least part of chemicals used in the acidification, acid hydrolysis and/or neutralization is produced by an integrated chemical recovery process of the pulp mill.
    • 本发明涉及一种生产微纤维素的方法,其包括在高温下用酸水解纤维状纤维素材料或酸化纤维状纤维素材料,然后在升高的温度下洗涤和水解洗涤过的纤维素材料,以产生微纤维素水解产物混合物,随后分离 的水解产物的微纤维素,其中混合物或分离的水解产物或微纤维素任选中和,并且其中将微纤维素生产整合到制浆机中,使得用于酸化,酸解和/或中和的至少一部分化学品 是通过纸浆厂的综合化学回收工艺生产的。