Methods of preventing scaling involving inorganic compositions, and inorganic compositions therefor
    11.
    发明授权
    Methods of preventing scaling involving inorganic compositions, and inorganic compositions therefor 失效
    防止涉及无机组合物的结垢的方法及其无机组合物

    公开(公告)号:US06355214B1

    公开(公告)日:2002-03-12

    申请号:US09333891

    申请日:1999-06-16

    CPC classification number: C02F5/105 C02F5/00 C02F2209/06

    Abstract: Method for inhibiting scale deposits in an aqueous system. The method may include adding anti-scalant to the aqueous system such that an amount of anti-scalant in the aqueous system is up to about 500 ppm, wherein the anti-scalant comprises at least one of polyvalent metal silicate and polyvalent metal carbonate, and wherein the aqueous system has a pH of at least about 9. The method may include adding anti-scalant to the aqueous system such that an amount of anti-scalant in the aqueous system is up to about 500 ppm, wherein the anti-scalant comprises at least one of polyvalent metal silicate and polyvalent metal carbonate, in the presence of up to about 0.4 ppm of cationic polymer. The method may include adding anti-scalant to the aqueous system at at least one of before a pulping digester and at a pulping digester, such that an amount of anti-scalant in the aqueous system is up to about 500 ppm, wherein the anti-scalant comprises at least one of polyvalent metal silicate and polyvalent metal carbonate. The method may involve adding a nucleation promoter/initiator to the aqueous system to inhibit formation of scale deposits, such that an amount of the nucleation promoter/initiator in the aqueous system is up to about 500 ppm. The method may involve adding first cations to the aqueous system and removing second cations which are distinct from the first cations from the aqueous system, to inhibit the second cations from forming scale deposits, wherein the aqueous system is at a temperature of about 70° C. to 500° C. Inorganic compositions therefor.

    Abstract translation: 用于抑制水性体系中结垢的方法。 该方法可以包括向水性体系中加入抗垢剂,使得水性体系中的抗垢剂的量高达约500ppm,其中抗腐剂包含多价金属硅酸盐和多价金属碳酸盐中的至少一种,以及 其中所述水性体系具有至少约9的pH。所述方法可以包括向所述水性体系中加入抗鳞屑剂,使得所述含水体系中的抗垢剂的量高达约500ppm,其中所述防垢剂包含 在多至约0.4ppm的阳离子聚合物的存在下,多价金属硅酸盐和多价金属碳酸盐中的至少一种。 该方法可以包括在制浆蒸煮器和制浆蒸煮器之前的至少一个处向水性体系中加入抗鳞屑剂,使得水系统中的抗垢剂的量高达约500ppm, 稀土元素包括多价金属硅酸盐和多价金属碳酸盐中的至少一种。 该方法可以包括向含水体系中加入成核促进剂/引发剂以抑制水垢沉积物的形成,使得水系统中成核促进剂/引发剂的量高达约500ppm。 该方法可以包括将第一阳离子加入到水性体系中并除去与水系统不同于第一阳离子的第二阳离子,以抑制第二阳离子形成结垢,其中水系统处于约70℃的温度 至500℃。其无机组合物。

    Method of treating paper forming wire surface
    12.
    发明授权
    Method of treating paper forming wire surface 有权
    造纸线表面处理方法

    公开(公告)号:US08524042B2

    公开(公告)日:2013-09-03

    申请号:US13214708

    申请日:2011-08-22

    Abstract: A method for inhibiting resinous and sticky substances from filling or forming deposits on or within papermaking forming wire, by applying to said wire an effective inhibiting amount of a composition comprising at least one cationic agent selected from the group consisting of (a) cationic polyureas, (b) hydrophobically modified cationic polymers, (c) alkylammonium or/and alkylimidazolium salts, and optionally at least one nonionic amphiphilic copolymer selected from (i) hydrophobically modified polyethylene glycols], (ii) hydrophobically modified cellulose ethers, (iii) copolymers of vinyl alcohol and vinyl alkonate, (iv) polyoxyalkylene block copolymers, and (v) hydrophilically modified polydimethylsiloxanes.

    Abstract translation: 一种通过向所述丝线施加有效抑制量的包含至少一种选自以下的阳离子剂的组合物的方法,所述方法用于抑制树脂状和粘性物质填充或形成造纸成网中或其内的沉积物:(a)阳离子聚脲, (b)疏水改性的阳离子聚合物,(c)烷基铵或/和烷基咪唑鎓盐,以及任选的至少一种选自(i)疏水改性聚乙二醇的非离子两亲共聚物],(ii)疏水改性的纤维素醚,(iii) 乙烯醇和乙烯基酮酸酯,(iv)聚氧化烯嵌段共聚物,和(v)亲水改性的聚二甲基硅氧烷。

    Retention and drainage in the manufacture of paper
    13.
    发明申请
    Retention and drainage in the manufacture of paper 审中-公开
    纸张的制造中的保留和排水

    公开(公告)号:US20060289139A1

    公开(公告)日:2006-12-28

    申请号:US11313579

    申请日:2005-12-21

    Abstract: A method of improving retention and drainage in a papermaking process is disclosed. The method provides for the addition of an associative polymer, starch or a starch derivative and optionally a siliceous material to the papermaking slurry. Additionally, a composition comprising an associative polymer and starch or starch derivative and optionally further comprising cellulose fiber is disclosed.

    Abstract translation: 公开了一种在造纸过程中改善保留和排水的方法。 该方法提供向造纸浆料中加入缔合聚合物,淀粉或淀粉衍生物以及任选的硅质材料。 此外,公开了包含缔合聚合物和淀粉或淀粉衍生物以及任选地还包含纤维素纤维的组合物。

    Cellulose products and processes for preparing the same
    14.
    发明授权
    Cellulose products and processes for preparing the same 有权
    纤维素产品及其制备方法

    公开(公告)号:US06379501B1

    公开(公告)日:2002-04-30

    申请号:US09459891

    申请日:1999-12-14

    CPC classification number: D21H17/66 D21H17/73 D21H21/10

    Abstract: Processes for preparing cellulose products, such as paper products which include substantially simultaneously or sequentially adding at least one aluminum compound and at least one silicate to a cellulose slurry, to a cellulose slurry such as a paper slurry. In particular, the present invention is directed to processes for preparing the cellulose products, such as paper products which include substantially simultaneously or sequentially adding at least one aluminum compound and at least one monovalent silicate or water-soluble metal silicate complex to a cellulose slurry, such as a paper slurry. Compositions containing at least one aluminum compound and at least one water-soluble metal silicate, and cellulose products, such as paper products containing at least one water-soluble metal silicate complex.

    Abstract translation: 用于制备纤维素产品的方法,例如纸制品,其包括基本上同时或依次将至少一种铝化合物和至少一种硅酸盐添加到纤维素浆料中的纤维素浆料,例如纸浆。 特别地,本发明涉及制备纤维素产品的方法,例如纸产品,其包括基本上同时或依次向纤维素浆料中加入至少一种铝化合物和至少一种一价硅酸盐或水溶性金属硅酸盐络合物, 例如纸浆。 含有至少一种铝化合物和至少一种水溶性金属硅酸盐的组合物和纤维素产品,例如含有至少一种水溶性金属硅酸盐络合物的纸制品。

    Metal silicates, cellulose products, and processes thereof
    15.
    发明授权
    Metal silicates, cellulose products, and processes thereof 失效
    金属硅酸盐,纤维素产品及其工艺

    公开(公告)号:US06358365B1

    公开(公告)日:2002-03-19

    申请号:US09459890

    申请日:1999-12-14

    CPC classification number: C01B33/32 D21H17/66 D21H21/10

    Abstract: Aqueous composition, including a water-soluble metal silicate complex which includes at least one divalent metal. A process for preparing an aqueous composition including water-soluble metal silicate complex includes combining monovalent cation silicate and divalent metal ions in an aqueous environment to form the water-soluble metal silicate complex. A process of modifying cellulose slurry includes adding an aqueous composition having water-soluble metal silicate complex which includes divalent metal to cellulose slurry. A process for preparing cellulose slurry includes adding monovalent cation silicate to cellulose slurry comprising a sufficient amount of divalent metal ions to combine with the monovalent cation silicate to form water-soluble metal silicate complex. A process of making cellulose product includes: adding an aqueous composition having water-soluble metal silicate complex including divalent metal to cellulose slurry; and forming cellulose product from the cellulose slurry. A process of making cellulose product includes: adding monovalent cation silicate to cellulose slurry comprising a sufficient amount of divalent metal ions to combine with the monovalent cation silicate to form water-soluble metal silicate complex; and forming cellulose product from the cellulose slurry. A cellulose product includes cellulose fiber and residue of at least one water-soluble metal silicate complex. A process for waste water treatment includes adding at least one water-soluble metal silicate complex to waste water, wherein the water-soluble metal silicate complex includes divalent metal. A process for waste water treatment includes adding monovalent cation silicate to waste water, wherein the waste water comprises divalent metal ions in an amount sufficient to combine with the monovalent cation silicate to form water-soluble metal silicate complex.

    Abstract translation: 水性组合物,包括包含至少一种二价金属的水溶性金属硅酸盐络合物。 制备包含水溶性金属硅酸盐络合物的水性组合物的方法包括在水性环境中组合一价阳离子硅酸盐和二价金属离子以形成水溶性金属硅酸盐络合物。 改性纤维素浆料的方法包括向纤维素浆料中加入含有二价金属的水溶性金属硅酸盐络合物的水性组合物。 一种制备纤维素浆料的方法包括向含有足够数量的二价金属离子的纤维素浆料中加入一价阳离子硅酸盐以与一价阳离子硅酸盐结合形成水溶性金属硅酸盐络合物。 制造纤维素产品的方法包括:向纤维素浆料中加入包含二价金属的水溶性金属硅酸盐络合物的水性组合物; 并从纤维素浆料中形成纤维素产品。 制备纤维素产品的方法包括:向含有足够量的二价金属离子的纤维素浆料中加入一价阳离子硅酸盐以与一价阳离子硅酸盐结合形成水溶性金属硅酸盐络合物; 并从纤维素浆料中形成纤维素产品。 纤维素产品包括纤维素纤维和至少一种水溶性金属硅酸盐络合物的残余物。 废水处理方法包括向废水中加入至少一种水溶性金属硅酸盐络合物,其中所述水溶性金属硅酸盐络合物包括二价金属。 一种废水处理方法包括向废水中加入一价阳离子硅酸盐,其中废水包含足够与一价阳离子硅酸盐结合形成水溶性金属硅酸盐络合物的二价金属离子。

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