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    • 1. 发明申请
    • OXOANION CONCENTRATION DETERMINATION USING ALUMINUM REAGENTS
    • 使用铝试剂的氧化浓度测定
    • WO2016036389A1
    • 2016-03-10
    • PCT/US2014/054390
    • 2014-09-05
    • ECOLAB USA INC.
    • ERGANG, Nicholas S.DAVIS, Ronald V.
    • G01N21/77G01N31/01
    • G01N21/82G01N31/22G01N33/182G01N2021/7786
    • 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.
    • 为了测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与铝试剂浓度相关的摩尔比计算氧代阴离子的浓度。
    • 9. 发明申请
    • UTILIZATION OF TEMPERATURE HEAT ADSORPTION SKIN TEMPERATURE AS SCALE CONTROL REAGENT DRIVER
    • 温度吸热皮肤温度的应用作为规模控制试剂驱动器
    • WO2015013147A1
    • 2015-01-29
    • PCT/US2014/047331
    • 2014-07-19
    • ECOLAB USA INC.
    • COLEMAN, Kim R.ARNDT, Rolf
    • C22B3/00C22B11/00
    • C22B60/0221B05B9/04C02F5/00C02F5/08C02F2103/10C02F2209/02C22B3/04C22B3/20C22B11/04C22B59/00Y02P10/234
    • The invention provides methods, compositions, and apparatuses for preventing the formation of scale in heap leach process solution distribution systems comprised of piping, spray nozzels, or emitter tubes. Solution distribution system components often become fouled by scale because of local hot spots more prone to form scale than other locations along the systems length. Positioning sensors that detect periods of high temperature stress and adjusting scale control reagent dosage to send the right amount to inhibit hot spot deposition allows for the control of scale without using wasteful excessive amounts of scale control reagents. This can vastly improve scale control performance under high temperature stress conditions while minimizing scale control reagent waste under less severe stress conditions to reduce the total operating cost of running heap leach mining operations which depend upon well-functioning solution distribution systems.
    • 本发明提供了用于防止在由管道,喷雾喷嘴或发射管组成的堆浸过程溶液分配系统中形成垢的方法,组合物和装置。 由于局部热点比系统长度上的其他位置更容易形成规模,解决方案配送系统组件通常会因为规模而被污染。 检测高温应力周期的定位传感器和调节刻度控制试剂用量以发送合适的量以抑制热点沉积允许在不使用浪费的过量的垢控制试剂的情况下控制垢。 这可以大大提高在高温胁迫条件下的尺度控制性能,同时在不太严格的应力条件下最小化尺度控制试剂的浪费,以减少运行堆浸采矿作业的总运行成本,这取决于运行良好的溶液分配系统。