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Use of FGD gypsum in fire resistant panels
Waste Management, 2010Gypsum from power plant flue gas desulphurization units (FGD gypsum) is a combustion by-product produced in high quantities. In this paper, gypsum panels composed of 100% FGD gypsum from two power plants have been subjected to different physico-chemical (density, pH, humidity), mechanical (flexural and compressive strength, surface hardness, impact ...
C, Leiva +6 more
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Using Wet-FGD systems for mercury removal
Journal of Environmental Monitoring, 2005A plan to control mercury emissions to the atmosphere and to establish mercury emission limits has recently been elaborated by the European Commission, making it necessary to devise an efficient and cost effective mercury removal technology. Towards this end wet flue gas desulfurization units appear as a promising option for multi-pollutant control ...
Mercedes, Díaz-Somoano +2 more
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Predicting the Corrosivity of an Operating FGD System
CORROSION 1994, 1994Abstract One of the key factors that influences the materials selection process for a FGD system is the anticipated environmental conditions. Due to the wide variations in coal burned, a method was needed that could predict the environment that would be generated. A computer model has been generated that will predict, with some degree of
F. Galen Hodge +2 more
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Lining installation and performance in FGD systems
Materials and Corrosion, 1992AbstractAvailability and reliability of pollution control equipment have become important issues in recent years. Critical components such as scrubbers, ductwork, tanks, and stacks must be protected to withstand the corrosive environments that are characteristic for pollution control systems.
Walter Goy, Max Kaempffer
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1996
It is shown that it is possible to produce compacted gypsum with a low porosity and a high strength on a laboratory scale by uniaxial compaction of flue gas desulphurization (FGD-) gypsum powder. Compacted FGD-gypsum cylinders were produced at a compaction pres-sure between 50 and 500 MPa yielding porosities after compaction between 21 and 6% and ...
Stoop, B.T.J. +2 more
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It is shown that it is possible to produce compacted gypsum with a low porosity and a high strength on a laboratory scale by uniaxial compaction of flue gas desulphurization (FGD-) gypsum powder. Compacted FGD-gypsum cylinders were produced at a compaction pres-sure between 50 and 500 MPa yielding porosities after compaction between 21 and 6% and ...
Stoop, B.T.J. +2 more
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Bigeminal tank for FGD wastewater treatment
Filtration + Separation, 2017Abigeminal tank is a key part of the flue gas desulfurization wastewater treatment process for heavy metals and the precipitation and removal fine of particles. This article investigates treatment process simplification and equipment structure modification to reduce both operational costs and deposition of particles.
Yajing Tian +3 more
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Evaluation of permeability characteristics of FGD materials
Fuel, 1999Abstract The suitability of clean coal technology by-products as impervious liners in place of commonly used clay or geomembranes is investigated. A laboratory program to characterize the permeability of stabilized flue gas desulfurization (FGD) material is presented. Several mixes were prepared and tested.
Tarunjit S Butalia, William E Wolfe
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Study on Additives for Wet Limestone FGD
2011 Asia-Pacific Power and Energy Engineering Conference, 2011Study on additives for wet limestone FGD was introduced in this paper. Transition metal ions and organic acid additives were worthy of being further studied.
Yang Gao +8 more
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Phosphogypsum as an alternative to FGD gypsum
The University of Applied Sciences Nordhausen is currently conducting research projects on the topic of resource conservation. For example the separation of different materials with the aim of recycling or utilising them as a source of raw materials / secondary raw materials.Klausing, Julia*, Wudtke, Robert
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RECYCLING OF WASTE FGD GYPSUM RECYCLING OF WASTE FGD GYPSUM
2005Marinković, Slobodanka +3 more
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