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    • 1. 发明申请
    • Polyaluminum calcium hydroxychlorides and methods of making the same
    • 聚羟基羟基氯化钙及其制备方法
    • US20080131354A1
    • 2008-06-05
    • US11633998
    • 2006-12-05
    • Zijun LiKevin JanakMark Rerek
    • Zijun LiKevin JanakMark Rerek
    • C01B9/02
    • C01F7/002A61K8/26A61Q15/00C01F7/56C01P2002/87C01P2006/90C02F1/5245
    • A process is provided for the preparation of a novel polyaluminum calcium hydroxychloride composition of enhanced efficiency for water treatment, paper sizing, and antiperspirant applications. The polyaluminum calcium hydroxychloride compositions are prepared via the acidification of higher basicity reaction products to form mid-to-high basicity final products. Two methods are provided for the preparation of higher basicity products, contemplated in the first, and an aqueous acid solution, such as hydrochloric acid, aluminum chloride, or a mixture thereof, is mixed with a strong alkaline calcium salt such as calcium oxide or calcium carbonate and aluminum powder at temperatures greater than 60° C. In a second method, bauxite, aluminum hydrate, or aluminum metal, and calcium aluminate are mixed with hydrochloric acid and are reacted at high temperatures and/or elevated pressures for a certain period of time whereby, when the reaction is complete, the mixtures are filtered to obtain clear solutions. The final PAC-Ca solutions may be dried to powder to have a wide range of basicities from about 40% to about 80%. At lower basicities, the polyaluminum calcium hydroxychloride sales are used preferably as antiperspirants, while at higher basicities, the solutions are used preferably as water treatment chemicals.
    • 提供了一种制备用于水处理,纸张施胶和止汗剂应用的增强效率的新型聚羟基氯化铝羟氯化物组合物的方法。 通过酸化较高的碱性反应产物来制备羟基氯化铝铝组合物,以形成中至高碱性的最终产物。 提供两种方法用于制备较高碱度的产品,首先考虑,酸性溶液如盐酸,氯化铝或其混合物与强碱性钙盐如氧化钙或钙混合 碳酸盐和铝粉末。在第二种方法中,将铝土矿,铝水合物或铝金属和铝酸钙与盐酸混合,并在高温和/或高压下反应一定时间 时间,当反应完成时,将混合物过滤以获得澄清溶液。 最终的PAC-Ca溶液可以被干燥成粉末以具有约40%至约80%的宽范围碱度。 在较低的碱度下,聚羟基氯化钙销售优选用作止汗剂,而在较高碱度下,该溶液优选用作水处理化学品。
    • 2. 发明申请
    • Aluminum compositions of enhanced efficacy having high HPLC Bands III and IV
    • 具有高效液相色谱三级和四级的增强功效的铝组合物
    • US20070286830A1
    • 2007-12-13
    • US11452101
    • 2006-06-13
    • Zijun LiMark RerekKevin Janak
    • Zijun LiMark RerekKevin Janak
    • A61K8/26
    • A61Q15/00A61K8/26
    • Novel aluminum antiperspirant compositions of enhanced efficacy activated by both heat and acid are produced comprising basic aluminum salts of having the formula: Al2(OH)6-aXa  wherein X is Cl−, Br−, l−, or NO3−, a is from abut 1.1 to about 1.7, with basic aluminum chloride being the preferred salt. When analyzed by SEC-HPLC at about 10% concentration (i.e., by 2% Al) in water, these compositions exhibit an SEC-HPLC Band I area of less than 10%, a Band III area of at least 20%, with a Band III/II area ratio of at least 0.7, a Band IV area of at least 20%, and have at least 60% aluminum species contained in Bands III and Band IV.
    • 产生由热和酸热活化的增强功效的新型铝止汗剂组合物,其包含具有下列通式的碱式铝盐:<?in-line-formula description =“In-line Formulas”end =“lead”?> (OH)6-a X a <βin-line-formula description =“In-line Formulas”end =“tail”?>其中 X是Cl - , - , - , - , - , - , - ,a为约1.1至约1.7,碱性氯化铝为优选的盐。 当通过SEC-HPLC在水中以约10%浓度(即,2%Al)分析时,这些组合物显示小于10%的SEC-HPLC带I面积,至少20%的Band III面积,其中a Band III / II面积比至少为0.7,Band IV面积至少为20%,并且在III组和Band IV中含有至少60%的铝种类。
    • 8. 发明申请
    • PROCESS FOR PRODUCING STABLE POLYALUMINUM HYDROXYCHLORIDE AND POLYALUMINUM HYDROXYCHLOROSULFATE AQUEOUS SOLUTIONS
    • 生产稳定的羟基氯化汞和聚羟基氯化铵水溶液的方法
    • US20070092433A1
    • 2007-04-26
    • US11163530
    • 2005-10-21
    • Kevin JanakMichael Thompson
    • Kevin JanakMichael Thompson
    • C01B17/46
    • C01F7/007C02F1/5245
    • The production of polyaluminum hydroxychlorosulfates (PACS) suitable for effective use as flocculants and coagulants in water treatment is described. The product is a fluid, clear solution that is stable with respect to precipitation and gelling for extended periods of time. Key features of the process include: i) the production of a PACS solution of about 12-16% Al2O3 and about 40-60% basicity at moderate temperatures (50-60° C.) using a zerovalent aluminum source, such as aluminum powder, ii) the addition of an alkali metal or alkali earth metal base at low temperatures (20-30° C.) to produce PACS products ranging from 9-12% Al2O3 with basicities ranging from 70-80%, iii) the addition of an alkali metal base at low temperatures without the use of high shear mixing, iv) a PACS product that does not contain significant amounts of the Al13-mer Keggin complex , v) a product with greater than 80-95% of the aluminum polymers bimodally distributed in the range of 20,000-40,000 Daltons and 135-750 Daltons, and vi) the formation a PACS whereby greater than 95% of the sulfate is bound to aluminum and is contained in the aluminum polymers distributed in the range of 20,000-40,000 Daltons.
    • 描述了适用于在水处理中有效用作絮凝剂和凝结剂的聚羟基氯代硫酸氢铝(PACS)的生产。 该产品是一种液体,透明的溶液,对于沉淀和胶凝长时间稳定。 该方法的主要特征包括:i)在中等温度下生产约12-16%的Al 2 O 3 3和约40-60%碱度的PACS溶液( 50-60℃),使用诸如铝粉末的零价铝源,ii)在低温(20-30℃)下加入碱金属或碱土金属碱以产生范围为9- 12%的Al 2 O 3,其碱度范围为70-80%,iii)在低温下加入碱金属碱而不使用高剪切混合,iv )不含显着量的Al 13+ Keggin络合物的PACS产物,v)具有大于80-95%双峰分布在20,000-40,000范围内的铝聚合物的产物 道尔顿和135-750道尔顿,以及vi)形成PACS,其中大于95%的硫酸盐与铝结合并且包含在分布在20,000-40,000道尔顿范围内的铝聚合物中。