Articles with "ash deposition" as a keyword



Photo by trnavskauni from unsplash

Impacts of peat bulk density, ash deposition and rainwater chemistry on establishment of peatland mosses

Sign Up to like & get
recommendations!
Published in 2017 at "Plant and Soil"

DOI: 10.1007/s11104-017-3325-7

Abstract: Background and aimsPeatland moss communities play an important role in ecosystem function. Drivers such as fire and atmospheric pollution have the capacity to influence mosses via multiple pathways. Here, we investigate physical and chemical processes… read more here.

Keywords: bulk density; chemistry; peat bulk; growth ... See more keywords
Photo from wikipedia

Understanding the effect of calcium containing compounds on ash deposition during boiler operation: experiment study and dynamics calculation

Sign Up to like & get
recommendations!
Published in 2022 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-021-17572-6

Abstract: During the operation of the boiler, the ash deposition phenomenon in the furnace will cause abnormal operation of the boiler system. This will lead to an increase the pollutant emission. To relieve the pollutant emission… read more here.

Keywords: ash deposition; calcium containing; deposition; containing compounds ... See more keywords
Photo from wikipedia

Mathematical modeling and experimental validation of ash deposition in a pulverized-coal boiler

Sign Up to like & get
recommendations!
Published in 2017 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2016.08.221

Abstract: Abstract A dynamic mathematical model of the fly ash transport and sticking in a pulverized-coal boiler was developed by a direct simulation Monte Carlo (DSMC) method. In this paper, the critical velocity model was used… read more here.

Keywords: deposition; ash; coal boiler; pulverized coal ... See more keywords
Photo from wikipedia

Alkali metal transformation and ash deposition performance of high alkali content Zhundong coal and its gasification fly ash under circulating fluidized bed combustion

Sign Up to like & get
recommendations!
Published in 2018 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2018.05.113

Abstract: Abstract Alkali metal transformation and ash deposition during combustion of Zhundong (ZD) coal and its gasification fly ash (ZDf) were studied in a 0.4 t/d circulating fluidized bed. The Na in ZD coal was present primarily… read more here.

Keywords: combustion; ash; coal; fly ash ... See more keywords
Photo from wikipedia

Dynamic simulation on ash deposition and heat transfer behavior on a staggered tube bundle under high-temperature conditions

Sign Up to like & get
recommendations!
Published in 2020 at "Energy"

DOI: 10.1016/j.energy.2019.116390

Abstract: Abstract In this paper, a predictive tool was developed to simulate the formation of ash deposit on tube bundles under high-temperature conditions based on ANSYS FLUENT platform. The effects of the factors on ash deposition… read more here.

Keywords: pitch; temperature; tube; tube bundle ... See more keywords
Photo from wikipedia

Development of a mechanistic fouling model for predicting deposit formation in a woodchip-fired grate boiler

Sign Up to like & get
recommendations!
Published in 2021 at "Energy"

DOI: 10.1016/j.energy.2020.119699

Abstract: Abstract Currently fouling is still a major issue for the woodchip-fired boilers, which limits the utilization of the woody type fuel. In this work, a mechanistic fouling model considering both ash deposition and removal mechanisms… read more here.

Keywords: woodchip fired; model; fouling model; ash deposition ... See more keywords
Photo from wikipedia

Chemical study of fly ash deposition in combustion of pelletized residual agricultural biomass

Sign Up to like & get
recommendations!
Published in 2020 at "Fuel"

DOI: 10.1016/j.fuel.2020.117228

Abstract: Abstract Agricultural residual biomass has great potential as an energy source, but is used only to a limited extent mainly because of the characteristics of its ash (quantity and composition), which can lead to problematic… read more here.

Keywords: biomass; combustion; study; deposition ... See more keywords
Photo from wikipedia

Relationship between chemical components and coal ash deposition through the DTF experiments using real-time weight measurement system

Sign Up to like & get
recommendations!
Published in 2017 at "Fuel Processing Technology"

DOI: 10.1016/j.fuproc.2017.01.010

Abstract: Abstract The chemical components of ash in coal are important factors affecting the ash deposition in the entrained-flow gasification process. Most previous research aimed at investigating pertinent chemical components affecting ash deposition has focused on… read more here.

Keywords: real time; deposition; chemical components; coal ... See more keywords
Photo from wikipedia

An experimental investigation into the effect of flue gas recirculation on ash deposition and Na migration behaviour in circulating fluidized bed during combustion of high sodium Zhundong lignite

Sign Up to like & get
recommendations!
Published in 2020 at "Fuel Processing Technology"

DOI: 10.1016/j.fuproc.2019.106300

Abstract: Abstract The effect of flue gas recirculation (FGR) on ash deposition and Na migration in a laboratory-scale circulating fluidized bed (CFB) burning Zhundong lignite was investigated. The CFB dense phase was maintained at temperature 950 °C,… read more here.

Keywords: flue gas; deposition; ash; effect flue ... See more keywords
Photo from wikipedia

Effect of thermal expansion additives on alleviating the ash deposition of high-sodium coal.

Sign Up to like & get
recommendations!
Published in 2020 at "Journal of environmental management"

DOI: 10.1016/j.jenvman.2020.110799

Abstract: The high content of sodium in coal ash can induce severe ash deposit problems on heated surface. Vermiculite has been investigated to solve this problem in drop-tube furnace recently. In this work, the effects of… read more here.

Keywords: deposit; sodium; perlite; thermal expansion ... See more keywords
Photo from wikipedia

An experimental investigation into bed particle agglomeration and ash deposition during circulating fluidized bed gasification of Zhundong lignite

Sign Up to like & get
recommendations!
Published in 2021 at "Journal of The Energy Institute"

DOI: 10.1016/j.joei.2021.03.007

Abstract: Abstract Bed particle agglomeration and ash deposition in a 0.2 t/d circulating fluidized bed (CFB) gasifying high sodium Zhundong lignite (ZD) at different air equivalence ratios (ERs) were experimentally investigated. With quartz as bed material in… read more here.

Keywords: agglomeration; gasification; ash deposition; ash ... See more keywords