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公开(公告)号:US09469695B2
公开(公告)日:2016-10-18
申请号:US13697718
申请日:2011-06-07
申请人: Olli Dahl , Kari Vanhatalo , Kari Parviainen
发明人: Olli Dahl , Kari Vanhatalo , Kari Parviainen
CPC分类号: C08B15/02 , D21C9/002 , D21C9/004 , D21C11/0007 , Y02P20/125
摘要: 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.
摘要翻译: 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。
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公开(公告)号:US20140179912A1
公开(公告)日:2014-06-26
申请号:US13697729
申请日:2011-06-06
申请人: Erkki Iikka Sakari Rasanen , Leif Robertsen , Veli-Matti Vuorenpalo , Asko Karppi , Kari Parviainen , Olli Dahl , Kari Vanhatalo
发明人: Erkki Iikka Sakari Rasanen , Leif Robertsen , Veli-Matti Vuorenpalo , Asko Karppi , Kari Parviainen , Olli Dahl , Kari Vanhatalo
IPC分类号: C08B15/00
摘要: The present invention relates to a process for producing microcellulose comprising a) acidifying fibrous cellulosic material, b) washing the acidified cellulosic material, c) optionally dewatering the washed cellulosic material, and d) hydrolyzing the washed or washed and dewatered cellulosic material under acidic conditions at a temperature of at least 120° C. and at a consistency of at least 8% on dry weight of the cellulose.
摘要翻译: 本发明涉及一种生产微纤维素的方法,其包括:a)酸化纤维状纤维素材料,b)洗涤酸化的纤维素材料,c)任选地使经洗涤的纤维素材料脱水,和d)在酸性条件下水解洗涤和洗涤和脱水的纤维素材料 在至少120℃的温度下和在纤维素的干重上至少8%的稠度。
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公开(公告)号:US09096692B2
公开(公告)日:2015-08-04
申请号:US13697713
申请日:2011-06-07
申请人: Olli Dahl , Kari Vanhatalo , Kari Parviainen , Mikael Svedman
发明人: Olli Dahl , Kari Vanhatalo , Kari Parviainen , Mikael Svedman
摘要: The present invention relates to a process for producing microcellulose comprising subjecting fibrous cellulosic material to acid hydrolysis at a temperature of at least 40° C. and at a consistency of at least 8% on dry weight of the cellulose, wherein the amount of added acid is from 0.2 to 2%, preferably from 0.5 to 1.5% on dry weight of the cellulose.
摘要翻译: 本发明涉及一种生产微纤维素的方法,包括在至少40℃的温度和至少8%的纤维素干重的稠度下使纤维状纤维素材料进行酸水解,其中加入的酸的量 相对于纤维素的干重为0.2〜2%,优选为0.5〜1.5%。
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公开(公告)号:US10358504B2
公开(公告)日:2019-07-23
申请号:US13697726
申请日:2011-06-06
申请人: Asko Karppi , Veli-Matti Vuorenpalo , Leif Robertsen , Kari Parviainen , Olli Dahl , Kari Vanhatalo
发明人: Asko Karppi , Veli-Matti Vuorenpalo , Leif Robertsen , Kari Parviainen , Olli Dahl , Kari Vanhatalo
IPC分类号: C08B15/02
摘要: The present invention relates to a process for producing microcellulose comprising subjecting fibrous cellulosic material to acid hydrolysis at a temperature from 10° C. to less than 140° C. and at a consistency of at least 8% on dry weight of the cellulose, wherein the amount of added acid is from 0.2 to 2%, preferably from 0.3 to 1.9%, more preferably from 0.5 to 1.5% on dry weight of the cellulose.
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公开(公告)号:US09587038B2
公开(公告)日:2017-03-07
申请号:US13697729
申请日:2011-06-06
申请人: Erkki Iikka Sakari Rasanen , Leif Robertsen , Veli-Matti Vuorenpalo , Asko Karppi , Kari Parviainen , Olli Dahl , Kari Vanhatalo
发明人: Erkki Iikka Sakari Rasanen , Leif Robertsen , Veli-Matti Vuorenpalo , Asko Karppi , Kari Parviainen , Olli Dahl , Kari Vanhatalo
摘要: The present invention relates to a process for producing microcellulose comprising a) acidifying fibrous cellulosic material, b) washing the acidified cellulosic material, c) optionally dewatering the washed cellulosic material, and d) hydrolyzing the washed or washed and dewatered cellulosic material under acidic conditions at a temperature of at least 120° C. and at a consistency of at least 8% on dry weight of the cellulose.
摘要翻译: 本发明涉及一种生产微纤维素的方法,其包括:a)酸化纤维状纤维素材料,b)洗涤酸化的纤维素材料,c)任选地使经洗涤的纤维素材料脱水,和d)在酸性条件下水解洗涤和洗涤和脱水的纤维素材料 在至少120℃的温度下和在纤维素的干重上至少8%的稠度。
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公开(公告)号:US20130199518A1
公开(公告)日:2013-08-08
申请号:US13697713
申请日:2011-06-07
申请人: Olli Dahl
发明人: Olli Dahl
IPC分类号: C08B15/00
摘要: The present invention relates to a process for producing microcellulose comprising subjecting fibrous cellulosic material to acid hydrolysis at a temperature of at least 40° C. and at a consistency of at least 8% on dry weight of the cellulose, wherein the amount of added acid is from 0.2 to 2%, preferably from 0.5 to 1.5% on dry weight of the cellulose.
摘要翻译: 本发明涉及一种生产微纤维素的方法,包括在至少40℃的温度和至少8%的纤维素干重的稠度下使纤维状纤维素材料进行酸水解,其中加入的酸的量 相对于纤维素的干重为0.2〜2%,优选为0.5〜1.5%。
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公开(公告)号:US20130203981A1
公开(公告)日:2013-08-08
申请号:US13697718
申请日:2011-06-07
申请人: Olli Dahl , Kari Vanhatalo , Kari Parviainen
发明人: Olli Dahl , Kari Vanhatalo , Kari Parviainen
IPC分类号: C08B15/02
CPC分类号: C08B15/02 , D21C9/002 , D21C9/004 , D21C11/0007 , Y02P20/125
摘要: 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.
摘要翻译: 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。
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公开(公告)号:US20130112193A1
公开(公告)日:2013-05-09
申请号:US13697726
申请日:2011-06-06
申请人: Asko Karppi , Veli-Matti Vuorenpalo , Leif Robertsen , Kari Parviainen , Olli Dahl , Kari Vanhatalo
发明人: Asko Karppi , Veli-Matti Vuorenpalo , Leif Robertsen , Kari Parviainen , Olli Dahl , Kari Vanhatalo
IPC分类号: C08B15/02
CPC分类号: C08B15/02
摘要: The present invention relates to a process for producing microcellulose comprising subjecting fibrous cellulosic material to acid hydrolysis at a temperature from 10° C. to less than 140° C. and at a consistency of at least 8% on dry weight of the cellulose, wherein the amount of added acid is from 0.2 to 2%, preferably from 0.3 to 1.9%, more preferably from 0.5 to 1.5% on dry weight of the cellulose.
摘要翻译: 本发明涉及一种生产微纤维素的方法,其包括使纤维素纤维素材料在10℃至小于140℃的温度下进行酸水解,并且以纤维素的干重为至少8%的稠度,其中 添加的酸的量相对于纤维素的干重为0.2〜2%,优选为0.3〜1.9%,更优选为0.5〜1.5%。
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