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1. 发明申请

WO2021055296A1 TECHNIQUES FOR FORECASTING AND/OR PREVENTING DEGRADATION AND CORROSION 审中-公开
公开(公告)号：WO2021055296A1
公开(公告)日：2021-03-25
申请号：PCT/US2020/050773
申请日：2020-09-14
申请人： AMS TRACE METALS, INC.
发明人： DOZORTSEV, Vladimir , BACON, Richard , JOHNSTON, David
IPC分类号： G01N15/06 , G01N17/00 , G01N21/75 , G05B13/04 , G05D21/02 , G06N3/10
摘要： This disclosure provides techniques for detecting and/or inhibiting corrosion of a distribution/recirculation network for a fluid, e.g., an aqueous matrix (liquid). For example, the disclosed techniques can be used to measure and/or predict degeneration of pipes, solder joints and various other plumbing fixtures in a water distribution network or heat transfer recirculation network caused as a function of variation in environmental parameters. In one embodiment, a system builds a database by measuring metal corrosion (e.g., from lead or copper pipe, solder joint or other type of plumbing vessel or fixture) and correlating degradation of a layer of protective scale and/or metal concentrations present with measured environmental parameters; later, as conditions vary, the database (or associated correlation weights/values) may be used to predict degradation of scale health and/or corrosion stemming from short and/or long term water conditions, and to effectuate advance mitigation.

2. 发明申请

WO2022192451A1 TIN ELECTROLYSIS TO PROTECT PIPING AND MINIMIZE CORROSION 审中-公开
公开(公告)号：WO2022192451A1
公开(公告)日：2022-09-15
申请号：PCT/US2022/019622
申请日：2022-03-09
申请人： AMS TRACE METALS, INC.
发明人： DOZORTSEV, Vladimir , BACON, Richard
IPC分类号： G01N15/06 , G01N17/00 , G01N21/75
摘要： This disclosure provides techniques for detecting/inhibiting corrosion of in distribution/recirculation service lines and for using tin dioxide as a surfactant to coat at-risk piping surfaces. For example, disclosed techniques can be used to correlate corrosive conditions with fluid type, source and other environmental parameters, and to treat piping so as to insulate corroding areas. A stannous dosing system, and optionally, associated downstream filtration, can be used to efficiently deliver tin throughout piping surfaces at interest, and thereby facility local tin dioxide surfactant buildup to target thicknesses, at difficult to reach locations. In one embodiment, disclosed systems can be used to build a correlation database that can be used in the automated control of systems taught herein.

3. 发明申请

WO2019014034A1 TREATMENT OF AQUEOUS MATRICES USING ELECTROLYSIS TO PRODUCE SOLUBLE TIN METAL 审中-公开
公开(公告)号：WO2019014034A1
公开(公告)日：2019-01-17
申请号：PCT/US2018/040836
申请日：2018-07-05
申请人： AMS TRACE METALS, INC.
发明人： DOZORTSEV, Vladimir , BACON, Richard , MORENO, Jose, Antonio
IPC分类号： B23H3/00 , B23H3/10 , C25C1/10 , C25D3/30 , C25F7/02
摘要： This disclosure provides techniques for treatment of aqueous matrices using electrolysis to produce soluble metals. An aqueous matrix of interest is passed through an electrolysis device with at least one consumable electrode, which dissolves under applied current, transferring a desired reagent to the aqueous matrix of interest. In one embodiment, the electrolysis device is used in a water delivery network to passivate hexavalent chromium (Cr6) and/or convert it to trivalent chromium; the electrode can be made of food-grade metal tin, which is electrolyzed to form a stannous reagent, which then reacts with the Cr6. The disclosed techniques provide for Cr6 passivation without requiring the use of concentrated acids or other harmful substances. Long term reagent generation efficiency can be enhanced through the use of cleaning processes which maintain a fresh electrode surface in contact with the aqueous matrix of interest.

4. 发明申请

WO2018013293A1 TECHNIQUES FOR TOXIC METAL DETECTION AND SPECIATION IN AQUEOUS MATRICES 审中-公开
标题翻译：水母中有毒金属检测技术及其形态分析
公开(公告)号：WO2018013293A1
公开(公告)日：2018-01-18
申请号：PCT/US2017/038022
申请日：2017-06-16
申请人： AMS TRACE METALS, INC.
发明人： SAINI, Harmesh, K. , DOZORTSEV, Vladimir
IPC分类号： G01N33/20 , G01N21/65 , G01N21/77
摘要： An in-situ measurement apparatus automatically draws aqueous samples on an intermittent or ad-hoc basis and measures specific metal specie concentration. The apparatus can perform both raw measurement of specific metal specie, as well as processing to convert other species of the same metal to the specific metal specie or to destroy or remove unwanted masking agents (e.g. organics). In one application, "dirty" water from a scrubber is measured for Se(IV) presence (using a renewable voltametric system), both with and without the masking agents present; in addition, selective processing converts other selenium species to Se(IV), permitting assessment of total selenium and measurement of Se(VI) presence. Automated reactions can then be taken to remove detected toxic substances from waste water without excess reliance on treatment chemicals, and so as to ensure that only water complaint with regulatory standards is released into the environment.
摘要翻译：原位测量设备自动地在间歇或临时基础上抽取含水样品并测量特定的金属物质浓度。该设备既可以执行特定金属种类的原始测量，也可以执行将其他种类的相同金属转换成特定金属种类或破坏或去除不想要的掩蔽剂（例如有机物）的处理。在一个应用中，“脏” 测量来自洗涤器的水的Se（IV）存在（使用可再生伏安测量系统），无论是否存在掩蔽剂; 另外，选择性加工将其他硒物质转化为Se（IV），从而允许评估总硒和测量Se（VI）的存在。然后可以采用自动化反应去除废水中检测到的有毒物质，而不会过度依赖处理化学物质，从而确保只有符合法规标准的水投诉才会释放到环境中。

5. 发明申请

WO2017155896A1 FORECASTING OF DISINFECTION BYPRODUCTS 审中-公开
标题翻译：预测消毒副产品
公开(公告)号：WO2017155896A1
公开(公告)日：2017-09-14
申请号：PCT/US2017/020997
申请日：2017-03-06
申请人： AMS TRACE METALS, INC.
发明人： WEST, Michael J.
IPC分类号： G01N21/75 , G01N33/18
摘要： Formation potential for disinfection by-products (DBPs) is determined in-situ using one or more automated sample extraction and measurement mechanisms. In one embodiment, such an in-situ mechanism is used to take periodic water samples and measure trihalomethane (THM) concentration in near real-time (i.e., less than two hours), using a measurement process based on modified Fujiwara chemistry. During the extraction and measurement process, water samples can be heated according to a specific temperature/time profile in order to artificially accelerate age of the water sample, so as to cause DBPs to form prematurely. A water monitoring network can monitor detected DBP levels and take automated response actions according to predefined computer policies or rules.
摘要翻译：使用一种或多种自动化样品提取和测量机制原位测定消毒副产物（DBPs）的形成潜力。在一个实施例中，使用这种原位机制来获取周期性水样，并且使用基于测量过程的测量过程来近似实时地（即，少于两个小时）测量三卤甲烷（THM）浓度关于改良的藤原化学。在提取和测量过程中，水样可以根据特定的温度/时间曲线加热，以便人为加速水样的年龄，从而导致DBP过早形成。水监测网络可以监测检测到的DBP水平，并根据预定义的计算机策略或规则采取自动化的响应行动。

6. 发明授权

US11993521B2 Treatment of aqueous matrices using electrolysis to produce soluble tin metal 有权
公开(公告)号：US11993521B2
公开(公告)日：2024-05-28
申请号：US17860275
申请日：2022-07-08
申请人： AMS Trace Metals, Inc.
发明人： Vladimir Dozortsev , Richard Bacon , Jose Antonio Moreno
IPC分类号： C02F5/00 , C02F1/18 , C02F1/467 , C02F1/461 , C02F101/22
CPC分类号： C02F1/4678 , C02F2001/46119 , C02F2001/46133 , C02F2101/22 , C02F2201/4614 , C02F2201/46145 , C02F2209/05 , C02F2209/06
摘要： This disclosure provides techniques for treatment of aqueous matrices using electrolysis to produce soluble metals. An aqueous matrix of interest is passed through an electrolysis device with at least one consumable electrode, which dissolves under applied current, transferring a desired reagent to the aqueous matrix of interest. In one embodiment, the electrolysis device is used in a water delivery network to passivate hexavalent chromium (Cr6) and/or convert it to trivalent chromium; the electrode can be made of food-grade metal tin, which is electrolyzed to form a stannous reagent, which then reacts with the Cr6. The disclosed techniques provide for Cr6 passivation without requiring the use of concentrated acids or other harmful substances. Long term reagent generation efficiency can be enhanced through the use of cleaning processes which maintain a fresh electrode surface in contact with the aqueous matrix of interest.

7. 发明申请

US20210278368A1 TECHNIQUES FOR EXTENDING ELECTRODE SERVICEABILITY AND USEFUL LIFE IN VOLTAMETRIC DEVICE 有权
公开(公告)号：US20210278368A1
公开(公告)日：2021-09-09
申请号：US17202859
申请日：2021-03-16
申请人： AMS Trace Metals, Inc.
发明人： Vladimir Dozortsev
IPC分类号： G01N27/48 , G01N27/403 , G01N27/30 , G01N27/38 , G01N35/00
摘要： This disclosure provides techniques for extending useful life of a reference electrode, as well as a novel voltametric system and measurement cell design and related chemistries. An automated, repeatable-use system features a reference electrode that directly immerses a metallic conductor into an analyte, with electrolytes (e.g., chlorides) used for measurement being separately added and removed for each measurement cycles; the metallic conductor can optionally be left exposed to clean dry air in between measurements. In one implementation, the system can be restricted to application with specific analytes (e.g., ground water) that are known in advance to be free of substances that could degrade reference electrode use or lifetime. Cleaning solutions can optionally be used that would not be practical with conventional (insulated) reference electrode designs. In another embodiment, a measurement cell can be configured to receive separated electrode modules, permitting independent cleaning/removal of the working electrode (or other electrodes).

8. 发明申请

US20200207645A1 Treatment of aqueous matrices using electrolysis to produce soluble tin metal 审中-公开
公开(公告)号：US20200207645A1
公开(公告)日：2020-07-02
申请号：US16622529
申请日：2018-07-05
申请人： AMS Trace Metals, Inc.
发明人： Vladimir Dozortsev , Richard Bacon , Jose Antonio Moreno
IPC分类号： C02F1/467
摘要： This disclosure provides techniques for treatment of aqueous matrices using electrolysis to produce soluble metals. An aqueous matrix of interest is passed through an electrolysis device with at least one consumable electrode, which dissolves under applied current, transferring a desired reagent to the aqueous matrix of interest. In one embodiment, the electrolysis device is used in a water delivery network to passivate hexavalent chromium (Cr6) and/or convert it to trivalent chromium; the electrode can be made of food-grade metal tin, which is electrolyzed to form a stannous reagent, which then reacts with the Cr6. The disclosed techniques provide for Cr6 passivation without requiring the use of concentrated acids or other harmful substances. Long term reagent generation efficiency can be enhanced through the use of cleaning processes which maintain a fresh electrode surface in contact with the aqueous matrix of interest.

9. 发明申请

US20190257788A1 TECHNIQUES FOR EXTENDING ELECTRODE SERVICEABILITY AND USEFUL LIFE IN VOLTAMETRIC DEVICE 审中-公开
公开(公告)号：US20190257788A1
公开(公告)日：2019-08-22
申请号：US16277927
申请日：2019-02-15
申请人： AMS Trace Metals, Inc.
发明人： Vladimir Dozortsev
IPC分类号： G01N27/48 , G01N27/403 , G01N27/38 , G01N27/30
摘要： This disclosure provides techniques for extending useful life of a reference electrode, as well as a novel voltametric system and measurement cell design and related chemistries. An automated, repeatable-use system features a reference electrode that directly immerses a metallic conductor into an analyte, with electrolytes (e.g., chlorides) used for measurement being separately added and removed for each measurement cycles; the metallic conductor can optionally be left exposed to clean dry air in between measurements. In one implementation, the system can be restricted to application with specific analytes (e.g., ground water) that are known in advance to be free of substances that could degrade reference electrode use or lifetime. Cleaning solutions can optionally be used that would not be practical with conventional (insulated) reference electrode designs. In another embodiment, a measurement cell can be configured to receive separated electrode modules, permitting independent cleaning/removal of the working electrode (or other electrodes).

10. 发明公开

US20240133797A1 Techniques for forecasting and/or preventing degradation and corrosion 审中-公开
公开(公告)号：US20240133797A1
公开(公告)日：2024-04-25
申请号：US18264175
申请日：2022-03-09
申请人： AMS Trace Metals, Inc.
发明人： Vladimir Dozortsev , Richard Bacon
IPC分类号： G01N17/02
CPC分类号： G01N17/02
摘要： This disclosure provides techniques for detecting/inhibiting corrosion of in distribution/recirculation service lines and for using tin dioxide as a surfactant to coat at-risk piping surfaces. For example, disclosed techniques can be used to correlate corrosive conditions with fluid type, source and other environmental parameters, and to treat piping so as to insulate corroding areas. A stannous dosing system, and optionally, associated downstream filtration, can be used to efficiently deliver tin throughout piping surfaces at interest, and thereby facility local tin dioxide surfactant buildup to target thicknesses, at difficult to reach locations. In one embodiment, disclosed systems can be used to build a correlation database that can be used in the automated control of systems taught herein.

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