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Proceedings Papers

Paper presented at the CORROSION 2012, March 11–15, 2012
Paper Number: NACE-2012-1696
... ABSTRACT ABSTRACT Embedded sacrificial zinc anodes have emerged as a promising means of enhancing the durability of repairs to corrosion-deteriorated concrete structures. Sacrificial zinc anodes are encased in grout materials that are formulated with the intent of maintaining the zinc anode...
Proceedings Papers

Paper presented at the CORROSION 2012, March 11–15, 2012
Paper Number: NACE-2012-1519
... TANK BOTTOM PROTECTION UTILIZING ANODE GRID SYSTEM VS. ANODE IN THE PERIPHERY Saleh Al-Sulaiman Team Leader (N and W), Inspection and Corrosion Team, Kuwait Oil Company, Ahmadi, Kuwait.. Hasan Sabri, Corrosion Specialist, Inspection and Corrosion Team, Kuwait Oil Company, Ahmadi, Kuwait. Abdul...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16717
...-water, it is subject to a range of temperatures 4-27°C. To protect the SVDL from corrosion in seawater, the system is electrically isolated from the main structure and aluminum anodes are connected to the SVDL body. Based on exposure time and seawater temperature, the size of the anode and its exposed...
Proceedings Papers

Paper presented at the CORROSION 2020, June 14–18, 2020
Paper Number: NACE-2020-14927
... ABSTRACT A close coupled mixed metal oxide (MMO) anode, grid or concentric ring, cathodic protection (CP) system is a state-of-the-art technique for corrosion prevention of the soil-side bottom of an aboveground storage tank (AST) resting on sand pads. The regulatory requirement of secondary...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-458
... ABSTRACT TiO 2 (B) is a promising anode material for fast rechargable and safe Liion batteries, but it, unfortunately, possesses a low conductivity and insufficient cycling stability. Herein, zirconium-doped (Zr/Ti = 0.03; 0.06) titania with a belt-like nanoarchitecture had been synthesized...
Proceedings Papers

Paper presented at the Offshore Mediterranean Conference and Exhibition, March 27–29, 2019
Paper Number: OMC-2019-0878
... anodes made from aluminium-zinc-indium alloy. The design life of the CP system is 35 years. Owing to recent installation works of I and J tubes on the jacket, the removal of some anodes was foreseen in order to allow free space for the installation of clamps on bracing elements. For these reasons...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12787
... is applied to the new bottom by installing anodes in the sand bed, laid in-between old and new bottoms. Large diameter tanks usually have impressed current cathodic protection (ICCP) systems with an MMO anode due to high CP current demand, and small diameter tanks have galvanic anode CP systems. Current...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12827
... cathodic protection configurations are used worldwide in tanks. The field-erected mixed metal oxide (MMO) anode welded grid configuration was an early application of MMO anodes for tank bottoms and has a large global installed base. A newer design to protect tank bottoms is a system of parallel...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12910
... ABSTRACT The stab having been made away from the middle of the anode The probe not having been oriented perpendicular to the surface of the anode The structure around the anode leading to distortion of the electric fields, for example because there is a coating defect on the structure...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13315
... Abstract Mixed metal oxide on a titanium substrate (MMO/Ti) is widely used as anode material for the cathodic protection of storage tank bottoms due to its advantages such as low consumption rate, long service life and ideal current distribution. However, with the elapse of service time...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13097
... anodes into the patch. These anodes provide corrosion control to the steel near the patch as well as to the steel in the patch. This paper describes the performance of a high-current output, zinc-based embedded sacrificial anode using the Bureau of Reclamation M-82 Standard Protocol to Evaluate...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11168
... ABSTRACT One of the areas where cathodic protection of marine structures is commonly applied is to protect steel piling systems on jetties and piers Every CP design effort begins with a basic decision of whether to use galvanic anodes that operate on the natural potential difference between...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-8882
... ABSTRACT The Las Vegas Valley Water District needed to install a deep anode bed in a location with a flowing artesian situation. Research found several costly and time consuming options that were not acceptable. A new, patented technology was adapted for the situation that would allow...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-271
... Abstract At present Li-ion batteries are widely used in marine engineering e.g. as power sources for unmanned underwater vehicles. However, the extremely strong reactivity of lithiated graphite anode causes an irreversible unfavourable reactions with electrolyte. TiO 2 (anatase) is a more...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 22–25, 2016
Paper Number: OTC-26537-MS
... Abstract The Vertical Tension Anode System (VTA) is an Impressed Current Cathodic Protection (ICCP) system that can be installed without divers or ROV equipment. It is a cost-effective option for the life extension of brown field offshore structures whose original aluminum anodes are depleted...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7303
... Summary: As everyone knows, there is the contradiction of big initial and small mean current density for offshore platform, sometimes the former is twice of the latter. DNV-RP-B401 suggests minimizing the anode size to meet the bigger initial current density, and NACE-RP-0176 recommends...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7257
... Abstract Cathodic protection systems for reinforced concrete structures often employ embedded anode arrays positioned in close proximity to the reinforcing steel cathode that extend over large areas of the target structure surface. While the objective of the anode array arrangement...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7484
... Abstract Impressed current cathodic protection (ICCP) systems can be used very effectively to achieve appropriate mitigation of well casing corrosion, but it may be difficult and expensive to define the most convenient anode distribution in order to adequately protect the desired casings...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-6156
... Abstract Recommended practices and specifications for Cathodic Protection (CP) do not include well defined methods or formulas for how to handle anode interference. Anode interference occurs when anodes are mounted close to each other and will reduce the current output pr anode. The loss...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5647
... Abstract In this work, the service performance of magnesium sacrificial anodes used to protect urban gas pipelines from corrosion were investigated by both field tests and laboratory measurements. It was found that the consumption of magnesium sacrificial anode increases with increasing...

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