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    Process for obtaining cellulose
    12.
    发明授权
    Process for obtaining cellulose 有权

    公开(公告)号：US11512426B2

    公开(公告)日：2022-11-29

    申请号：US14907384

    申请日：2014-07-25

    申请人： Rainer Fülling

    发明人： Rainer Fülling ,  Heiko Schlabach

    IPC分类号： D21C1/10 ,  D21C5/02 ,  C08H8/00 ,  C08L1/02 ,  D21C1/00 ,  C08B1/00 ,  D21C3/22 ,  D21C3/02 ,  D21C7/14 ,  C08L97/02 ,  D21C7/00 ,  D21C11/00 ,  D21C11/04 ,  D21C9/08

    摘要： The present invention relates to a process for obtaining cellulose or a mixture containing at least cellulose and at least lignocellulose from at least one substrate that is at least to some extent amenable to fermentation comprising at least the steps of (1) to (3) and optionally (4), namely conversion of the substrate via addition of at least one inorganic base into an aqueous mixture with pH≥8.5 (step 1), ultrasound treatment of the aqueous mixture obtained after step (1) (step 2), separation of the aqueous mixture obtained after step (2) into a liquid aqueous phase and a disperse mixture containing, cellulose or a mixture containing at least cellulose and at least lignocellulose (step 3) and optionally purification of the disperse mixture obtained after step (3) containing cellulose or of the mixture containing at least cellulose and at least lignocellulose (step 4), where step (1) and step (2) of the process respectively are carried out at a temperature

    Methods for the production of pulp and hemicellulose
    14.
    发明授权
    Methods for the production of pulp and hemicellulose 有权

    公开(公告)号：US10787766B2

    公开(公告)日：2020-09-29

    申请号：US16375412

    申请日：2019-04-04

    申请人： Inventure Renewables, Inc.

    发明人： William Rusty Sutterlin ,  Cory O'Neil Blanchard ,  Christopher Check

    IPC分类号： D21C11/00 ,  C08H8/00 ,  C08B1/00 ,  D21C3/00 ,  D21H11/00 ,  D21C3/22 ,  D21C1/02

    摘要： In alternative embodiments, provided are methods and industrial processes for generating pulp from lignocellulosic feedstocks, comprising directly contacting a lignocellulosic feedstock with a system comprising a super critical or sub-super critical fluid or mixture of fluids, whereby the partial pressure of the system provides for the hydrolysis or a combination thereof of the feedstock at reduced temperatures and pressures, followed by an upgrading step wherein a low-purity cellulosic material generated in the super critical or sub-super critical reaction step is treated with an alkaline solution. In alternative embodiments, provided are systems and methods for producing a cellulose material using reduced amounts of water.

    Method and apparatus for controlling a cellulosic pulp process
    16.
    发明授权
    Method and apparatus for controlling a cellulosic pulp process 有权

    公开(公告)号：US10450700B2

    公开(公告)日：2019-10-22

    申请号：US15534739

    申请日：2014-12-12

    申请人： CANFOR PULP LTD

    发明人： Paul Alexandre Bicho ,  Edward Robert Grant ,  Pin-Wen Tsai ,  Najme Tavassoli

    IPC分类号： D21C7/12 ,  G01N21/31 ,  G01N21/55 ,  D21C3/22 ,  G01N21/84 ,  D21C3/00 ,  D21C9/00

    摘要： A method and apparatus for controlling a cellulosic pulp process for producing a pulp product having a desired pulp property is disclosed. The method involves illuminating an in-process portion of pulp using a first wavelength of light, and receiving a scattered light spectrum from the illuminated portion of pulp, the scattered light spectrum including spectral components that have been shifted in wavelength through interaction with a constituent of the illuminated portion of pulp. The method also involves filtering the scattered light spectrum to separate the spectral components, and identifying spectral features in the filtered scattered light spectrum that correspond to the pulp property. The method further involves generating a control signal for controlling the pulp process based on variations in the identified spectral features to cause the pulp property to fall within a desired range.

    METHOD AND COMPOSITION FOR REDUCING SILICA BASED EVAPORATOR SCALING
    20.
    发明申请
    METHOD AND COMPOSITION FOR REDUCING SILICA BASED EVAPORATOR SCALING 审中-公开
    减少二氧化硅蒸发器缩放的方法和组合

    公开(公告)号：US20170009354A1

    公开(公告)日：2017-01-12

    申请号：US15115840

    申请日：2015-01-27

    申请人： CARGILL, INCORPORATED

    发明人： Brent A. Hawkins ,  Manoj SAHOO

    IPC分类号： C23F14/02 ,  D21C3/22 ,  D21C11/00 ,  C02F1/52

    CPC分类号： C23F14/02 ,  C02F1/5236 ,  C02F2101/10 ,  C02F2103/28 ,  C02F2303/22 ,  D21C3/22 ,  D21C9/008 ,  D21C11/00 ,  D21C11/106 ,  D21H21/02

    摘要： Some embodiments of the present invention relate to a method for reducing the concentration of reactive silica in a first composition comprising adding a first amount of a calcium salt and a second amount of a magnesium salt to the first composition to form a solid silicate composition comprising one or more silicates, wherein the first composition comprises an aqueous solution; and a significant portion of the reactive silica in the first composition is converted to one or more silicate in the solid silicate composition.

    摘要翻译： 本发明的一些实施方案涉及用于降低第一组合物中反应性二氧化硅浓度的方法，包括向第一组合物中加入第一量的钙盐和第二量的镁盐以形成固体硅酸盐组合物，其包含一种 或更多的硅酸盐，其中第一组合物包含水溶液; 并且第一组合物中的大部分反应性二氧化硅在固体硅酸盐组合物中转化为一种或多种硅酸盐。