The Corrosive Effect of Chlorine Containing Species on …
corrosivity of the fireside environment in boilers fired by biomass and waste is connected to the relatively high chlorine/sulphur - ratio in the flue gas. Hence, this thesis investigates the role of chlorine compounds on fireside corrosion of both water walls and
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Effect of Chlorine and Sulphur on Stainless Steel (AISI 310) Due To High Temperature Corrosion.
Keywords: Chlorine, Sulphur, Stainless steel (AISI 310), High temperature corrosion, Power station (Boilers) I. INTRODUCTION Global energy consumption has almost doubled over the past three decades of the last century.
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A New Method to Minimize High-Temperature Corrosion Resulting …
2002/11/26 · Preventing the chlorine-induced high temperature corrosion in power boilers without loss of electrical efficiency in steam cycles. Applied Thermal Engineering 2006, 26 (16), 2005-2011.
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Effect of Chlorine and Sulphur on Stainless Steel (AISI 310) Due To High Temperature Corrosion.
Keywords: Chlorine, Sulphur, Stainless steel (AISI 310), High temperature corrosion, Power station (Boilers) I. INTRODUCTION Global energy consumption has almost doubled over the past three decades of the last century.
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High Temperature Corrosion of Coatings and Boiler Steels in Oxidizing Chlorine-Containing Atmosphere …
KCl-induced high-temperature corrosion behavior of four HVAF-sprayed Ni-based coatings (Ni21Cr, Ni5Al, Ni21Cr7Al1Y and Ni21Cr9Mo) under KCl deposit has been investigated in …
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Full-scale experimental investigation of deposition and corrosion …
2017/12/13 · However, this technology experience grave deposition and corrosion of the boiler tubes due to high chlorine (~1.09wt.%) and alkali metal (Na, K) content in MSW.
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Preventing the chlorine-induced high temperature corrosion in …
2012/4/1 · High temperature corrosion of waterwalls induced by chlorides and bromides. Part 1: Occurrence of the corrosive ash forming elements in a fluidised bed boiler co-combusting solid recovered fuel Fuel, 90 ( 2011 ), pp. 2055 - 2063
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Principal pathways of potassium, sulfur and chlorine in a biomass-fired boiler.
and chlorine in a biomass-fired boiler. from publication: Chlorine-Induced High-Temperature Corrosion of Superheater Tubes - a Literature Study | | ResearchGate, the professional network for
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Superheater corrosion in biomass and waste fired boilers : Characterisation, causes and prevention of chlorine-induced corrosion
In this work high temperature corrosion of superheater alloys, and methods to mitigate the problem, have been investigated by laboratory studies and controlled field exposures in commercial boilers. In Paper I, laboratory work investigated the detrimental effect of gaseous hydrochloric acid (HCl) on austenitic stainless steels at two different temperatures and two different surface treatments.
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High Temperature Corrosion of FeCrAl Alloys
High- temperature corrosion is a well-known problem in biomass- and waste-fired boilers and is one of the obstacles to overcome in achieving a more sustainable society. Alkali- and chlorine- induced corrosion of chromia-forming alloys has been studied
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Chlorine Induced Corrosion in Biomass and Waste Fired Boilers: …
2018/3/1 · Chlorine-induced high temperature corrosion of Inconel 625 sprayed coatings deposited with different thermal spray techniques Surf. Coat. Technol., 318 ( May ) ( 2017 ), pp. 233 - 243 Article Download PDF View Record in Scopus Google Scholar
Learn MoreEffect of temperature on corrosion of furnace walls in a waste wood fired boiler
High temperature corrosion, Microscopy of cross-section corrosion, Biomass, Chlorine induced attack, Thermodynamic modelling, 16Mo3, Waterwalls National Category Materials Engineering Identifiers URN: urn:nbn:se:kth:diva-161149
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Principal pathways of potassium, sulfur and chlorine in a biomass-fired boiler.
and chlorine in a biomass-fired boiler. from publication: Chlorine-Induced High-Temperature Corrosion of Superheater Tubes - a Literature Study | | ResearchGate, the professional network for
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Chlorine-Induced High-Temperature Corrosion of Boiler Steels …
2002/12/2 · High temperature corrosion tests were performed on one ferritic boiler steel, one austenitic boiler steel, five high velocity oxy-fuel (HVOF) coatings, one laser-melted HVOF coating, and one diffusion chromized steel. Synthetic atmosphere simulating reducing
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The role of chlorine in high temperature - Nickel Institute
The role of chlorine in high temperature corrosion in waste-to-energy plants: G. Sorell may become dislodged, which can lead to corrosionexacerbating flow blockages. Several prominent US refuse boiler vendors routinely specify alloy 825 for hot sections of
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A New Method to Minimize High-Temperature Corrosion Resulting …
2002/11/26 · Preventing the chlorine-induced high temperature corrosion in power boilers without loss of electrical efficiency in steam cycles. Applied Thermal Engineering 2006, 26 (16), 2005-2011.
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Corrosion Mechanism of Alloy 310 Austenitic Steel beneath NaCl …
2013/6/27 · Chlorine-Induced High-Temperature Corrosion of Boiler Steels Combusting Sha Erhu Coal Compared to Biomass. Energy & Fuels 2018, 32 (4), 4237-4247. DOI: 10.1021/acs.energyfuels.7b03143. Yacheng Liu, Weidong Fan
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Superheater corrosion in biomass and waste fired boilers : Characterisation, causes and prevention of chlorine-induced corrosion
In this work high temperature corrosion of superheater alloys, and methods to mitigate the problem, have been investigated by laboratory studies and controlled field exposures in commercial boilers. In Paper I, laboratory work investigated the detrimental effect of gaseous hydrochloric acid (HCl) on austenitic stainless steels at two different temperatures and two different surface treatments.
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Effect of chlorine on furnace wall corrosion in utility boilers …
1996/8/1 · Effect of sulfur and chlorine on furnace wall corrosion. Conference Kung, S; Bakker, W. The corrosion resistance of a furnace-wall tubing alloy, SA213-T2, was evaluated in a laboratory test, simulating the reducing/sulfidizing combustion environment in PC-fired utility boilers burning coal substoichiometrically.
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Preventing the chlorine-induced high temperature corrosion in power boilers …
A modified Rankine steam cycle is presented as a solution for a biomass-fired boiler of small or medium sizes, to prevent the chlorine-induced high-temperature corrosion without loss of efficiency
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Experimental Study of High-Temperature Chlorine-Induced …
2017/10/6 · Chlorine Induced Corrosion in Biomass and Waste Fired Boilers: Laboratory and Field Investigations. The fireside corrosion in biomass and waste fired boilers is widely believed to arise from the presence of chlorine-containing compounds in the fuels. Although many researchers have studied the influence of such compounds on the high temperature
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Preventing the chlorine-induced high temperature corrosion in power boilers …
A modified Rankine steam cycle is presented as a solution for a biomass-fired boiler of small or medium sizes, to prevent the chlorine-induced high-temperature corrosion without loss of efficiency
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High Temperature Corrosion in Boilers - Bright Hub Engineering
2009/9/23 · High temperature corrosion in boiler firing coal is mainly caused due to the presence of impurities like sulphur, alkali metals and chlorine. In fuel oil fired boilers the main impurities are vanadium, sulphur, sodium and chlorine. During combustion, various species containing these impurity elements are produced in the form of vapors and condensed phases. The chemistry of these reactions
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The role of chlorine in high temperature - Nickel Institute
2006/11/1 · One of these problems is the chlorine-induced high temperature corrosion of the boiler tubes. The main mechanism of this type of corrosion is the "active oxidation", which is characterised by the formation of volatile metal chlorides at the metal/oxide interface [1] .
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Fundamental aspects of chlorine induced corrosion in power plants: Materials at High Temperatures…
2014/1/2 · Abstract Chlorine induced corrosion is the most important corrosion process in power plants, firing waste, coal and/or biomass. Depending on the process, chlorine is present as HCl gas, as solid KCl and NaCl in ashes or as eutectic melts i.e. KCl–ZnCl 2 in deposits of waste fired boilers. in deposits of waste fired boilers.
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The Corrosive Effect of Chlorine Containing Species on …
corrosivity of the fireside environment in boilers fired by biomass and waste is connected to the relatively high chlorine/sulphur - ratio in the flue gas. Hence, this thesis investigates the role of chlorine compounds on fireside corrosion of both water walls and
Learn MoreHigh temperature corrosion of boiler waterwalls induced by chlorides and bromides: Part 1: Occurrence of the corrosive …
In addition, bromine induced high temperature corrosion has been earlier observed in a bubbling fluidised bed (BFB) boiler co-firing solid recovered fuel (SRF) with bark and wastewater sludge. In Part 1 of this work a measurement campaign was undertaken to determine the occurrence of Cl, Br, Zn and Pb in the fuel, in the combustion gases as well as in the deposits on the boiler waterwalls.
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Effect of chlorine on furnace wall corrosion in utility boilers …
1996/8/1 · Effect of sulfur and chlorine on furnace wall corrosion. Conference Kung, S; Bakker, W. The corrosion resistance of a furnace-wall tubing alloy, SA213-T2, was evaluated in a laboratory test, simulating the reducing/sulfidizing combustion environment in PC-fired utility boilers burning coal substoichiometrically.
Learn More
[PDF] The Corrosive Effect of Chlorine Containing Species on Waterwalls …
High temperature corrosion of boiler waterwalls induced by chlorides and bromides. Part 1: Occurrence of the corrosive ash forming elements in a fluidised bed boiler co-firing solid recovered fuel P. Vainikka, Dorota Bankiewicz, +4 authors M. Hupa
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High temperature corrosion of boiler waterwalls induced by …
Currently, high temperature corrosion phenomena of the super-heater and re-heater tubes are particularly observed in the utility boiler firing high-chlorine coal, which severely impacts on the
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High-Temperature Corrosion Properties of Boiler Steels under a Simulated High-Chlorine …
High-temperature corrosion of the superheater and reheater tubes in utility boilers frequently occurs upon firing high-chlorine coal, which severely impacts the safety of the boiler operation. In this work, the corrosion mechanism of several commonly used boiler steels, including T91, 12Cr1MoVG, and TP347H, was investigated.
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High temperature corrosion during waste incineration : characterisation, causes and prevention of chlorine-induced corrosion …
In a grate-boiler the deposit formation and high temperature corrosion of some candidate superheater materials were studied. Metal loss measurements showed unacceptably high corrosion rates for the lower alloyed ferritic steels 13CrMo44 (Fe-1Cr-0.5Mo) and HCM12A (Fe-11Cr-2W), as well as for the austenitic Super 304 (Fe-18Cr-9Ni-3Cu).
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Increased Lifetime for Biomass and Waste to Energy Power Plant Boilers with HVOF Coatings: High Temperature Corrosion Testing Under Chlorine …
2013/4/25 · To overcome the high temperature chlorine-induced corrosion in power plant boilers, there are four different approaches: (1) maintain the steam temperature well below the temperature known for increased corrosion risk, (2) use additives to capture the alkali14, 15
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High temperature corrosion of coatings and boiler steels in …
2017/5/25 · Chlorine induced high temperature corrosion causes severe damage in boilers on heat exchangers. These components have been traditionally manufactured from low alloyed steels [10] but currently, due to increased corrosive conditions, CrMo steels, stainless steels and Ni-based alloys can be selected for some components [11] .
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Analysis on High Temperature Corrosion Behaviors of Boiler Steels Under High-Chlorine …
2017/9/5 · Chlorine is a harmful constituent in coal, contributing to severe high temperature corrosion on the super-heater and re-heater tubes in utility boiler firing high-chlorine coal (more than 0.3 wt.%). Characteristics of the corrosion contain not only the formed products on the metal surface, but also intergranular attack inner the alloy, resulting in great potential safety hazard and economic loss.
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High temperature corrosion during waste incineration : characterisation, causes and prevention of chlorine-induced corrosion
In a grate-boiler the deposit formation and high temperature corrosion of some candidate superheater materials were studied. Metal loss measurements showed unacceptably high corrosion rates for the lower alloyed ferritic steels 13CrMo44 (Fe-1Cr-0.5Mo) and HCM12A (Fe-11Cr-2W), as well as for the austenitic Super 304 (Fe-18Cr-9Ni-3Cu).
Learn MoreAspects of High Temperature Corrosion of boiler tubes
High temperature corrosion of boiler materials concerns steam oxidation as well as fireside corrosion of parts, in contact with the flue gas. It will be shown that depending on the quality of the fuel, especially chlorine and sulphur are responsible for most of the
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Chlorine-induced high temperature corrosion of Inconel 625 spraye…
The role of chlorine in high temperature corrosion in waste-to-energy plants: G. Sorell may become dislodged, which can lead to corrosionexacerbating flow blockages. Several prominent US refuse boiler vendors routinely specify alloy 825 for hot sections of
Learn More
High Temperature Corrosion of Coatings and Boiler Steels in …
2013/5/16 · High-temperature chlorine-induced corrosion is mainly responsible for the limitation of plant availabilities and electrical efficiencies of waste- and biomass-fired boilers. According to the current state of research, it is controversial if the flue gas velocity influences the corrosion on heat-transfer surfaces. References regarding the behavior of corrosion at different gas velocities are
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High Temperature Corrosion of Coatings and Boiler Steels in Oxidizing Chlorine-Containing Atmosphere …
KCl-induced high-temperature corrosion behavior of four HVAF-sprayed Ni-based coatings (Ni21Cr, Ni5Al, Ni21Cr7Al1Y and Ni21Cr9Mo) under KCl deposit has been investigated in …
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