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公开(公告)号：US07968007B2
公开(公告)日：2011-06-28
申请号：US12141512
申请日：2008-06-18
CPC分类号： C23F11/188 , C05C1/02 , C05G3/00 , C05G3/0064 , C23F11/185 , C23F14/02 , C05C9/00
摘要： A trace amount of a tungstate added together with an ortho-phosphate and/or phosphonite is disclosed for inhibiting corrosion by a nitrogen fertilizer solution. In particular, an ammonium nitrate fertilizer solution is in contact with ferrous metal storage tanks, piping, and equipment surfaces. Tungstate added with an iron stabilizer including a dispersant polymer is also effective for inhibiting corrosion.
摘要翻译： 公开了与正磷酸盐和/或亚膦酸盐一起添加痕量的钨酸盐以抑制氮肥溶液的腐蚀。 特别地，硝酸铵肥料溶液与黑色金属储罐，管道和设备表面接触。 添加有包含分散剂聚合物的铁稳定剂的钨酸盐也有效抑制腐蚀。
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公开(公告)号：US20080289384A1
公开(公告)日：2008-11-27
申请号：US12141512
申请日：2008-06-18
IPC分类号： C05C9/00
CPC分类号： C23F11/188 , C05C1/02 , C05G3/00 , C05G3/0064 , C23F11/185 , C23F14/02 , C05C9/00
摘要： A trace amount of a tungstate added together with an ortho-phosphate and/or phosphonite is disclosed for inhibiting corrosion by a nitrogen fertilizer solution. In particular, an ammonium nitrate fertilizer solution is in contact with ferrous metal storage tanks, piping, and equipment surfaces. Tungstate added with an iron stabilizer including a dispersant polymer is also effective for inhibiting corrosion.
摘要翻译： 公开了与正磷酸盐和/或亚膦酸盐一起添加痕量的钨酸盐以抑制氮肥溶液的腐蚀。 特别地，硝酸铵肥料溶液与黑色金属储罐，管道和设备表面接触。 添加有包含分散剂聚合物的铁稳定剂的钨酸盐也有效抑制腐蚀。
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公开(公告)号：US07402263B2
公开(公告)日：2008-07-22
申请号：US11113742
申请日：2005-04-25
CPC分类号： C23F11/185 , C23F11/188
摘要： A trace amount of a tungstate is disclosed for inhibiting corrosion by nitrogen fertilizer solution, in particular, an ammonium nitrate fertilizer solution, (UAN) in contact with ferrous metal storage tanks, piping, and equipment surfaces. Tungstate added with a dispersant polymer is also effective for inhibiting corrosion.
摘要翻译： 公开了微量的钨酸盐以抑制氮肥溶液的腐蚀，特别是与黑色金属储罐，管道和设备表面接触的硝酸铵肥料溶液（UAN）。 加入分散剂聚合物的钨酸盐也有效抑制腐蚀。
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4.发明申请METHOD OF INHIBITING CORROSION ON FERROUS METAL SURFACES IN CONTACT WITH NITROGEN FERTILIZER SOLUTIONS 审中-公开阻止金属表面腐蚀与硝酸肥料溶液接触的方法公开(公告)号：US20090007616A1
公开(公告)日：2009-01-08
申请号：US11774169
申请日：2007-07-06
CPC分类号： C23F11/10 , C05C1/00 , C05G3/00 , C05C9/005 , C05G3/0076
摘要： A method of using trace amounts of certain compounds to reduce or inhibit corrosion on metal surfaces exposed to corrosive materials is disclosed. The compounds include hydroxlamines, acrylate polymers or copolymers, certain organic acids, tannic acid, carbohydrazide and its derivates and salts, and combinations of these compounds. The metal surfaces may include any ferrous metal piping or equipment surfaces, such as that used during storage, transport, and other processing of such materials. A corrosion-inhibited UAN solution having about 20 to about 50 percent by weight water and from less than 10 to about 1,000 ppm of one or more of the described corrosion inhibitors, and a pH from about 7 to about 8 is also disclosed.
摘要翻译： 公开了一种使用痕量的某些化合物来减少或抑制暴露于腐蚀性材料的金属表面的腐蚀的方法。 化合物包括羟基胺，丙烯酸酯聚合物或共聚物，某些有机酸，单宁酸，碳酰肼及其衍生物和盐，以及这些化合物的组合。 金属表面可以包括任何黑色金属管道或设备表面，例如在这种材料的储存，运输和其他加工过程中所使用的表面。 还公开了具有约20至约50重量％水和小于10至约1,000ppm的一种或多种所述腐蚀抑制剂和约7至约8的pH的腐蚀抑制的UAN溶液。
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公开(公告)号：US07632412B2
公开(公告)日：2009-12-15
申请号：US11556391
申请日：2006-11-03
IPC分类号： C02F1/42
CPC分类号： C02F1/008 , C02F2001/425 , C02F2103/023 , C02F2209/008 , C02F2209/05 , C02F2209/06 , C02F2209/42
摘要： A method for controlling a cooling water tower comprising: providing a cooling tower system, which includes a recirculated evaporative cooling water stream, a source of make-up water, an evaporative cooling unit, a heat exchanger, a bleed off line, and a bleed-off valve which is in communication with said bleed-off line; providing a plurality of conduits through which said makeup water flows into said evaporative cooling water stream, wherein there is at least a first conduit that contains a weak acid cation ion exchange column and a second conduit that does not contain a weak acid ion exchange column, and wherein each conduit has at least one conduit valve; choosing a pH and a conductivity setpoint value and a deadband value above and below said setpoint value in said cooling tower system; measuring both the pH of said evaporative cooling water stream with one or more pH meters and conductivity of said evaporative cooling water stream with one or more conductivity meters; and implementing a response to said conductivity measurements and pH measurements is disclosed.
摘要翻译： 一种用于控制冷却水塔的方法，包括：提供冷却塔系统，其包括再循环的蒸发冷却水流，补充水源，蒸发冷却单元，热交换器，排出管线和出口 与所述泄放线连通的阀; 提供多个导管，所述补充水通过该导管流入所述蒸发冷却水流中，其中至少包含弱酸性阳离子交换柱的第一导管和不含弱酸离子交换柱的第二导管， 并且其中每个导管具有至少一个导管阀; 在所述冷却塔系统中选择pH和电导率设定值以及高于和低于所述设定值的死区值; 用一个或多个pH计测量所述蒸发冷却水流的pH值，并用一个或多个电导率仪测量所述蒸发冷却水流的电导率; 并且公开了对所述电导率测量和pH测量的响应。
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公开(公告)号：US20080105621A1
公开(公告)日：2008-05-08
申请号：US11556391
申请日：2006-11-03
IPC分类号： C02F1/42
CPC分类号： C02F1/008 , C02F2001/425 , C02F2103/023 , C02F2209/008 , C02F2209/05 , C02F2209/06 , C02F2209/42
摘要： A method for controlling a cooling water tower comprising: providing a cooling tower system, which includes a recirculated evaporative cooling water stream, a source of make-up water, an evaporative cooling unit, a heat exchanger, a bleed off line, and a bleed-off valve which is in communication with said bleed-off line; providing a plurality of conduits through which said makeup water flows into said evaporative cooling water stream, wherein there is at least a first conduit that contains a weak acid cation ion exchange column and a second conduit that does not contain a weak acid ion exchange column, and wherein each conduit has at least one conduit valve; choosing a pH and a conductivity setpoint value and a deadband value above and below said setpoint value in said cooling tower system; measuring both the pH of said evaporative cooling water stream with one or more pH meters and conductivity of said evaporative cooling water stream with one or more conductivity meters; and implementing a response to said conductivity measurements and pH measurements is disclosed.
摘要翻译： 一种用于控制冷却水塔的方法，包括：提供冷却塔系统，其包括再循环的蒸发冷却水流，补充水源，蒸发冷却单元，热交换器，排出管线和出口 与所述泄放线连通的阀; 提供多个导管，所述补充水通过该导管流入所述蒸发冷却水流中，其中至少包含弱酸性阳离子交换柱的第一导管和不含弱酸离子交换柱的第二导管， 并且其中每个导管具有至少一个导管阀; 在所述冷却塔系统中选择pH和电导率设定值以及高于和低于所述设定值的死区值; 用一个或多个pH计测量所述蒸发冷却水流的pH值，并用一个或多个电导率仪测量所述蒸发冷却水流的电导率; 并且公开了对所述电导率测量和pH测量的响应。
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7.发明授权Compositions comprising transition metals for treating and monitoring liquid systems 失效包含用于处理和监测液体体系的过渡金属的组合物
公开(公告)号：US5200106A
公开(公告)日：1993-04-06
申请号：US585899
申请日：1990-09-20
IPC分类号： G01N33/18
CPC分类号： G01N33/1813 , G01N33/182 , Y10T436/13
摘要： Methods for utilizing transition metals as tracers in aqueous liquid systems are provided by this invention. Transition metals with low background levels in system waters are identified as preferred when soluble in said aqueous liquid systems. The transition metals show low levels of deposition on equipment scale and provide reliable information as to the process history of the liquid systems.
摘要翻译： 在水性液体体系中利用过渡金属作为示踪剂的方法由本发明提供。 在可溶于所述含水液体体系中，在系统水中具有低背景水平的过渡金属被确定为优选的。 过渡金属在设备规模上显示出低沉积水平，并为液体系统的工艺历史提供可靠的信息。
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8.发明授权Zinc stabilization with modified acrylamide based polymers and corrosion inhibition derived therefrom 失效具有改性丙烯酰胺基聚合物的锌稳定化及其衍生的腐蚀抑制
公开(公告)号：US4973428A
公开(公告)日：1990-11-27
申请号：US422386
申请日：1989-10-16
申请人： Donald A. Johnson , John E. Hoots , Dodd W. Fong , Guy A. Crucil
发明人： Donald A. Johnson , John E. Hoots , Dodd W. Fong , Guy A. Crucil
摘要： New zinc stabilizing polymers containing at least 5 mole percent of a monomer represented by the structure: ##STR1## wherein: R is independently, at each occurrence, chosen from H and lower (C.sub.1 -C.sub.4) alkyl groups;R' is a hydrocarbonaceous bridging group containing from 1-12 carbon atom;X is chosen from --SO.sub.3 M, --OH, --COOM groups or mixtures thereof,M is hydrogen or some other cation species; andn ranges from 1-10,are described. Also, the use of these polymers in combination with zinc salts, and in further combination with phosphate salts, to inhibit corrosion of iron containing metals, and other metals, when these metals are exposed to industrial waters is demonstrated. Deposit control or scale inhibition on these metals exposed to industrial waters is also observed.
摘要翻译： 含有至少5摩尔％的由以下结构表示的单体的新的锌稳定化聚合物：其中：R各自独立地选自H和低级（C 1 -C 4）烷基; R'是含有1-12个碳原子的烃基桥联基团; X选自-SO 3 M，-OH，-COOM基团或其混合物，M是氢或一些其它阳离子物质; 并描述n的范围为1-10。 此外，证明了当这些金属暴露于工业水中时，这些聚合物与锌盐的组合以及与磷酸盐的进一步组合用于抑制含铁金属和其它金属的腐蚀。 也观察到暴露于工业水域的这些金属的沉积物控制或垢垢抑制。
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公开(公告)号：US4904413A
公开(公告)日：1990-02-27
申请号：US287633
申请日：1988-12-20
申请人： John E. Hoots , Donald A. Johnson
发明人： John E. Hoots , Donald A. Johnson
IPC分类号： C23F11/10
CPC分类号： C23F11/10
摘要： A composition and method for inhibiting corrosion in industrial cooling waters which contain hardness and have a pH of at least 8, which composition comprises a water-soluble organic phosphonate capable of inhibiting corrosion in an aqueous alkaline environment and a co- or terpolymer of acrylic acid and certain substituted acrylamides such as t-butyl acrylamide.
摘要翻译： 一种用于抑制工业冷却水中腐蚀的组合物和方法，其含有硬度并且pH至少为8，该组合物包含能够在碱性水溶液环境中抑制腐蚀的水溶性有机膦酸酯和丙烯酸的共聚物或三元共聚物 和某些取代的丙烯酰胺如叔丁基丙烯酰胺。
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10.发明授权Zinc stabilization with modified acrylamide based polymers and corrosion inhibition derived therefrom 失效具有改性丙烯酰胺基聚合物的锌稳定化及其衍生的腐蚀抑制
公开(公告)号：US4898686A
公开(公告)日：1990-02-06
申请号：US42927
申请日：1987-04-27
申请人： Donald A. Johnson , John E. Hoots , Dodd W. Fong , Guy A. Crucil
发明人： Donald A. Johnson , John E. Hoots , Dodd W. Fong , Guy A. Crucil
CPC分类号： C23F11/08 , C02F5/125 , C23F11/173 , C23F14/02
摘要： New zinc stabilizing polymers containing at least 5 mole percent of a monomer represented by the structure: ##STR1## wherein: R is independently, at each occurrence, chosen from H and lower (C.sub.1 -C.sub.4) alkyl groups;R' is a hydrocarbonaceous bridging group containing from 1-12 carbon atoms;X is chosen from --SO.sub.3 M, --OH, --COOM groups or mixtures thereof,M is hydrogen or some other cation species; andn ranges from 1-10, are described. Also, the use of these polymers in combination with zinc salts, and in further combination with phosphate salts, to inhibit corrosion of iron containing metals, and other metals, when these metals are exposed to industrial waters is demonstrated. Deposit control or scale inhibition on these metals exposed to industrial waters is also observed.
摘要翻译： 含有至少5摩尔％的由以下结构表示的单体的新的锌稳定化聚合物：其中：R各自独立地选自H和低级（C 1 -C 4）烷基; R'是含有1-12个碳原子的烃基桥联基团; X选自-SO 3 M，-OH，-COOM基团或其混合物，M是氢或一些其它阳离子物质; 并描述n的范围为1-10。 此外，证明了当这些金属暴露于工业水中时，这些聚合物与锌盐的组合以及与磷酸盐的进一步组合用于抑制含铁金属和其它金属的腐蚀。 也观察到暴露于工业水域的这些金属的沉积物控制或垢垢抑制。
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