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    • 3. 发明授权
    • Method and system for monitoring and controlling a multi-variable process throughout a plurality of distinct phases of the process
    • 用于在整个过程的多个不同阶段中监测和控制多变量过程的方法和系统
    • US08380328B2
    • 2013-02-19
    • US12678202
    • 2008-09-15
    • Robin William BrooksJohn Gavin WilsonNa Zhao
    • Robin William BrooksJohn Gavin WilsonNa Zhao
    • G05B13/02
    • G05B23/024G05B19/41875G05B2219/1112G05B2219/35507G05B2223/02Y02P90/22
    • A control of a multi-variable process throughout a plurality of successive, distinct operational phases of the process involves accumulation of sets of values of the process and quality variables (a-j) from previous multiple operations of the process through all its phases, as respective datasets of a historical record. Each dataset includes an identifier (p) of the phase to which it relates. The current values of the applicable process variables (Qa-Qh) during each phase and the phase identifier (p) are indicated on respective axes (Xp,Xa-Xh) of a multi-dimensional display in relation to an operational envelope which defines bounds (UL,LL) for the values of the individual process and quality variables (a-j) relevant to that phase and which is derived from the datasets of the historical record identified with that phase. Changes in the current process variables (Qa-Qh) result in changes of the bounds (UL,LL), and alarm is given when a current value departs from within them. Either manually or automatically correction of an alarm condition is made in accordance with calculation of required change of value of one or more manipulatable process variables (a-c).
    • 在整个过程的多个连续的,不同的操作阶段中的多变量过程的控制包括从过程的所有阶段的先前的多个操作中累积过程值和质量变量(aj)的集合作为相应的数据集 的历史记录。 每个数据集包括与其相关的阶段的标识符(p)。 相对于定义边界的操作包络,在多维显示器的各个轴(Xp,Xa-Xh)上指示每个阶段期间适用的过程变量(Qa-Qh)和相位标识符(p)的当前值 (UL,LL)用于与该阶段相关的单个过程和质量变量(aj)的值,并且从根据该阶段确定的历史记录的数据集导出。 当前过程变量(Qa-Qh)的变化导致边界(UL,LL)的变化,并且当当前值从其中偏离时给出报警。 根据一个或多个可操作的过程变量(a-c)的所需要求的变化的计算,进行手动或自动校正报警条件。
    • 7. 发明申请
    • PROCESS FOR PRETREATING ORGANIC EXTRACTANTS AND ITS PRODUCT AND APPLICATION
    • 预处理有机提取物及其产品和应用的方法
    • US20100003176A1
    • 2010-01-07
    • US12526436
    • 2008-02-02
    • Xiaowei HuangHongwei LiZhiqi LongXinlin PengDali CuiGuilin YangXinghua LuoNa ZhaoYongqi Zhang
    • Xiaowei HuangHongwei LiZhiqi LongXinlin PengDali CuiGuilin YangXinghua LuoNa ZhaoYongqi Zhang
    • C01F17/00
    • C22B3/0067B01D11/0288B01D11/0492C01F17/0006C22B3/0005C22B3/0044C22B59/00Y02P10/234
    • A process for pretreating organic extractants and its product and application in SX separation of rare earth. The pretreating method is that extractant and rare earth solution are mixed with powder or slurry of alkaline earth metal compound containing magnesium and/or calcium to realize pre-extraction, or the organic extractant are mixed with rare earth carbonate slurry to realize pre-extraction. When rare earth ion in aqueous phase is extracted into organic phase, the exchanged hydrogen ions enter into aqueous phase and dissolve the alkaline earth metal compound or the rare earth carbonate which helps to keep the acidity equilibrium of the system. The obtained organic extractant loaded with rare earth is used for unsaponificated SX separation of rare earth.With this method, there is no need to saponificate organic extractant with liquid ammonia or alkali, and there is no ammonia-nitrogen wastewater produced. So separation cost decrease at a large scale and a lot of the cost to treat the three wastes is cut. This method is applicable to SX separation for all rare earth elements in chloride, sulphate and nitrate system and has advantages of low investment and high profit.
    • 一种用于预处理有机萃取剂及其产品和在稀土SX分离中的应用的方法。 预处理方法是将萃取剂和稀土溶液与含有镁和/或钙的碱土金属化合物的粉末或浆料混合以实现预萃取,或者将有机萃取剂与稀土碳酸盐浆料混合以实现预萃取。 当水相中的稀土离子萃取到有机相中时,交换的氢离子进入水相并溶解碱土金属化合物或稀土碳酸盐,有助于保持体系的酸度平衡。 将所得到的装有稀土的有机萃取剂用于稀土的未分配的SX分离。 通过这种方法,不需要用液体氨或碱对有机萃取剂进行皂化,不产生氨氮废水。 因此,分离成本大幅度地下降,处理三种废物的成本大幅度下降。 该方法适用于氯化物,硫酸盐和硝酸盐体系中所有稀土元素的SX分离,具有投资低,利润高的优点。
    • 9. 发明申请
    • METHOD AND SYSTEM FOR MONITORING AND CONTROLLNG A MULTI-VARIABLE PROCESS THROUGHOUT A PLURALITY OF DISTINCT PHASES OF THE PROCESS
    • 用于监测和控制多变量过程的方法和系统通过过程的多个不同阶段
    • US20100198369A1
    • 2010-08-05
    • US12678202
    • 2008-09-15
    • Robin William BrooksJohn Gavin WilsonNa Zhao
    • Robin William BrooksJohn Gavin WilsonNa Zhao
    • G05B13/02
    • G05B23/024G05B19/41875G05B2219/1112G05B2219/35507G05B2223/02Y02P90/22
    • A control of a multi-variable process throughout a plurality of successive, distinct operational phases of the process involves accumulation of sets of values of the process and quality variables (a-j) from previous multiple operations of the process through all its phases, as respective datasets of a historical record. Each dataset includes an identifier (p) of the phase to which it relates. The current values of the applicable process variables (Qa-Qh) during each phase and the phase identifier (p) are indicated on respective axes (Xp,Xa-Xh) of a multi-dimensional display in relation to an operational envelope which defines bounds (UL,LL) for the values of the individual process and quality variables (a-j) relevant to that phase and which is derived from the datasets of the historical record identified with that phase. Changes in the current process variables (Qa-Qh) result in changes of the bounds (UL,LL), and alarm is given when a current value departs from within them. Either manually or automatically correction of an alarm condition is made in accordance with calculation of required change of value of one or more manipulatable process variables (a-c).
    • 在整个过程的多个连续的,不同的操作阶段中的多变量过程的控制包括从过程的所有阶段的先前的多个操作中累积过程值和质量变量(aj)的集合作为相应的数据集 的历史记录。 每个数据集包括与其相关的阶段的标识符(p)。 相对于定义边界的操作包络,在多维显示器的各个轴(Xp,Xa-Xh)上指示每个阶段期间适用的过程变量(Qa-Qh)和相位标识符(p)的当前值 (UL,LL)用于与该阶段相关的单个过程和质量变量(aj)的值,并且从根据该阶段确定的历史记录的数据集导出。 当前过程变量(Qa-Qh)的变化导致边界(UL,LL)的变化,并且当当前值从其中偏离时给出报警。 根据一个或多个可操作的过程变量(a-c)的所需要求的变化的计算,进行手动或自动校正报警条件。