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    • 2. 发明授权
    • Oxoanion concentration determination using aluminum reagents
    • 使用铝试剂进行氧配位浓度测定
    • US09389209B2
    • 2016-07-12
    • US14478962
    • 2014-09-05
    • Ecolab USA Inc.
    • Nicholas S. ErgangRonald V. Davis
    • C02F1/66C02F1/52G01N31/22
    • G01N31/22C02F1/5236C02F1/66Y10T436/18
    • To determine the concentration of an oxoanion in an aqueous solution, an aluminum reagent is added to the aqueous solution to form an optical analysis solution. Addition of the aluminum reagent may or may not form an alumino-oxoanion hydroxide hydrate precipitate. Light is directed into the optical analysis solution to determine an optical response of the optical analysis solution. Thereafter, the concentration of the oxoanion in the aqueous solution is determined based on the optical response of the optical analysis solution. For example, the concentration of the oxoanion may be calculated using a molar ratio relating oxoanion concentration to aluminum reagent concentration, when the aluminum reagent concentration corresponds to an inflection point of the optical response of the optical analysis solution.
    • 为了确定水溶液中氧阴离子的浓度,将铝试剂加入到水溶液中以形成光学分析溶液。 加入铝试剂可能形成或不形成氧化铝 - 氧阴离子氢氧化物水合物沉淀物。 光被引导到光学分析解决方案中以确定光学分析溶液的光学响应。 此后,基于光学分析溶液的光学响应确定水溶液中氧阴离子的浓度。 例如,当铝试剂浓度对应于光学分析溶液的光学响应的​​拐点时,可以使用与氧化物阴离子浓度相关联的铝试剂浓度的摩尔比来计算氧代阴离子的浓度。
    • 7. 发明申请
    • BUFFER KIT AND METHOD OF GENERATING A LINEAR pH GRADIENT
    • 缓冲袋和产生线性pH梯度的方法
    • US20140179008A1
    • 2014-06-26
    • US13724873
    • 2012-12-21
    • Shanhua LINChristopher A. POHL
    • Shanhua LINChristopher A. POHL
    • C09K15/30
    • C09K15/30B01D15/168B01D15/362G01N30/34Y10T436/10Y10T436/108331Y10T436/173845Y10T436/18
    • A buffer kit includes a first eluent and second eluent. The first eluent solution includes at least four buffer salts where at least three of the four buffer salts are a monovalent buffer salt, have a net negative charge or a net neutral zwitterionic charge, and include a sulfonate group and an amine. The second eluent solution includes at least four buffer salts where at least three of the four buffer salts are a monovalent buffer salt, have a net negative charge or a net neutral zwitterionic charge, and include a sulfonate group and an amine. The first eluent solution has a first pH and the second eluent solution has a second pH where the first pH and second pH are different values. The buffer kit provides a linear pH gradient that forms an approximately straight line from at least the first pH to the second pH.
    • 缓冲试剂盒包括第一洗脱液和第二洗脱液。 第一洗脱溶液包括至少四种缓冲盐,其中四种缓冲盐中的至少三个是一价缓冲盐,具有净负电荷或净中性两性离子电荷,并且包括磺酸盐基和胺。 第二洗脱溶液包括至少四种缓冲盐,其中四种缓冲盐中的至少三个是单价缓冲盐,具有净负电荷或净中性两性离子电荷,并且包括磺酸盐基和胺。 第一洗脱溶液具有第一pH,第二洗脱液具有第二pH,其中第一pH和第二pH是不同的值。 缓冲试剂盒提供线性pH梯度,其从至少第一pH至第二pH形成近似的直线。
    • 8. 发明授权
    • Sulfur breakthrough detection assembly for use in a fuel utilization system and sulfur breakthrough detection method
    • 用于燃料利用系统和硫穿透检测方法的硫穿透检测装置
    • US08697451B2
    • 2014-04-15
    • US12951679
    • 2010-11-22
    • Joseph M. Daly
    • Joseph M. Daly
    • G01N25/32G01N25/36G01N33/22G01N31/10B01J8/06H01M8/22
    • G01N33/287H01M8/0618H01M8/0662H01M8/0675Y10T436/18Y10T436/182Y10T436/184Y10T436/25875
    • A sulfur breakthrough monitoring assembly for use in a fuel utilization system for detecting sulfur-containing compounds in desulfurized fuel, said monitoring assembly comprising: a heater for heating desulfurized fuel to a predetermined temperature, the predetermined temperature being between 450° C. and 600° C., a sulfur breakthrough detector adapted to receive heated fuel from the heater and including at least a reforming catalyst bed for reforming the heated fuel and a plurality of temperature sensors including a first temperature sensor for sensing temperature of the heated fuel before the fuel is conveyed through the reforming catalyst bed and a second temperature sensor for sensing temperature in the reforming catalyst bed, and a controller for determining whether concentration of the sulfur-containing compounds in the fuel exceeds a first predetermined concentration based on temperature outputs from the first and second temperature sensors.
    • 一种用于在脱硫燃料中检测含硫化合物的燃料利用系统中的硫穿透监测组件,所述监测组件包括:用于将脱硫燃料加热到预定温度的加热器,所述预定温度在450℃和600℃之间 C.一种硫穿透检测器,适于从加热器接收加热的燃料,并且至少包括用于重整加热的燃料的重整催化剂床和多个温度传感器,包括第一温度传感器,用于在燃料为燃料之前感测加热燃料的温度 输送通过重整催化剂床和第二温度传感器,用于感测重整催化剂床中的温度;以及控制器,用于基于来自第一和第二燃料的温度输出,确定燃料中含硫化合物的浓度是否超过第一预定浓度 温度传感器。