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Phosphorus Slag Kiln Chlorine Clogging

11 Phosphorus Phosphorus and its compounds are important requirements for many indus tries and the establishment of new plants to support the growth of phosphate products is assured The principal requirements are in fertilizers food chemicals industrial phosphates and detergents

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  • Environmental Considerations of Selected Energy Conserving

    11 Phosphorus Phosphorus and its compounds are important requirements for many indus tries and the establishment of new plants to support the growth of phosphate products is assured The principal requirements are in fertilizers food chemicals industrial phosphates and detergents

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  • US20070098035A1 Cement kiln chlorinesulfur bypass

    A cement kiln chlorinesulfur bypass system wherein the equipment cost is suppressed and the sulfur included in a combustion gas bled from a cement kiln is separated and effectively utilized The cement kiln chlorinesulfur bypass system comprises an air bleed means for bleeding a kiln exhaust gas passage which runs from the end of the cement kiln to a bottom cyclone of a part of the

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  • Performance and mechanism of phosphorus removal by slag

    Apr 01 2021 Slagceramsite released Ca 2 and OH in wastewater to obtain better phosphorus removal the pH and CaP ratio of filter solution favoured apatite formation Chemical and characteristic analysis showed that the removal of phosphorus by slagceramsite filler was the simultaneous process of surface adsorption Ca 2 OH dissolution and Ca

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  • Rotary kiln shell

    Apr 07 2020 6 The corrosion of sulfur phosphorus and chlorine on the kiln shell reduces the thickness and strength of the kiln cylinder also reduces the plasticity of the steel and increases the brittleness of the steel which may lead to brittle failure of the kiln cylinder

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  • The causes of deformation of the rotary kiln shell

    Aug 06 2021 1 Overhigh output increases the wear of rotary kiln mouth shell and causes the overheat deformation of the kiln shell 2 The heat flow is too large but the cooling zone is short or even no The working environment of the kiln mouth is bad the temperature of outlet material is 13001400 C and the secondary air temperature is 10002000 C

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  • Alternative Fuels in Cement Manufacturing IntechOpen

    Aug 09 2011 A chlorine content of the sludge of more than 02 05 percent may cause clogging in the cyclone preheaters To keep the levels of the oxides within limit Werther et al 1997 suggested the maximum sewage sludge feed rate to be no more than 5 percent of the clinker production capacity of the cement plant unless the sludge is conditioned

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  • Water Free FullText Utilization of Steel Slag in

    Blind inlets are implemented to promote obstructionfree surface drainage of field depressions as an alternative to tile risers for the removal of sediment and particulate phosphorus P through an aggregate bed However conventional limestone used in blind inlets does not remove dissolved P which is a stronger eutrophication agent than particulate P Steel slag has been suggested as an

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  • in Steel Slag Filters Used for Phosphorus Removal

    Chemical Clogging and Evolution of Head Losses in Steel Slag Filters Used for Phosphorus Removal Dominique ClaveauMallet and Yves Comeau Department of Civil Geological and Mining Engineering Polytechnique Montreal Montreal QC H3C 3A7 Canada yvescomeaupolymtlca

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  • Iron Ochre Control Methods BC Ministry of Agriculture

    Clogging of Underdrains Hancor Inc 401 Olive St Findly Ohio 45840 MARCH 1986 immobilization of phosphorus and other trace elements crop tolerance to the higher pH and the backfill with industrial slag All these methods contaminate the discharge water with chemicals

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  • PDF EAF Steel Slag Filters for Phosphorus Removal from

    Combination of Slag Limestone and Sedimentary Apatite in Columns for Phosphorus Removal from Sludge Fish Farm Effluents By Florent Chazarenc Active filters a minireview on the use of industrial byproducts for upgrading phosphorus removal from treatment wetlands

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  • The Use of Blast Furnace Slag for Removal of Phosphorus

    Dec 01 2010 The phosphorus P removal of five combinations of dual filters consisting of blast furnace slag BFS argon oxygen decarburisation slag AOD and electric arc furnace slag

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  • Dual slag filters for enhanced phosphorus removal from

    Dec 26 2017 Introduction It is widely known that excess phosphorus entering the water body could lead to eutrophication and thus become a threat to human wellbeing Smith 2003The use of various types of slag to remove excess phosphorus from waters has been studied worldwide in recent years Kostura et al 2005 Drizo et al 2006 Barca et al 2012 Zuo et al 2015

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  • Uses of alternative fuels and raw materials in the cement

    Jul 01 2013 Some authors eg Enders and Haeseli noticed that these substances can cause problems in cement plants for instance preheater clogging as a result of condensation and volatilisation reactions and hence instabilities in the kiln process In particular chlorine exerts the most harmful effects on the cement manufacturing systems

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  • Circulation Phenomena Cement Library

    May 07 2021 Alkali sulfur and chlorine compounds hereafter called circulating or volatile elements see below in raw materials and fuels utilized for the cement manufacture when present in high concentrations often given rise to difficulties in kiln operation with buildup formation mainly in the preheater and the kiln inlet section

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  • Full scale treatment of ASR wastes in a modified rotary kiln

    Nov 01 2014 The plant located in Anagni Fr is a fullscale incineration plant that is used for the final disposal of old exhausted tyres Fig 1 shows the plant layout The rotary kiln is made up of a slightly inclined pipe with an internal diameter of 27 m and a length of approximately 14 m which is lined with fireproof materialThe process was modified to achieve an incomplete combustion of the

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  • Impact of hydraulic retention time on phosphorus removal

    Nov 05 2020 Due to the abundance of steel slag and it being a waste product the costs are low The composition and characteristics of the steel slag media depend on the source and type of furnace it has been processed in Steel slag from a basic oxygen furnace BOF was trialled in the first column study and slag from an electric arc furnace in the second

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  • EAF Steel Slag Filters for Phosphorus Removal from Milk

    of clogging Slag particles were weighed and added to the filters in layers approximately 005 m in height Each layer was leveled and compacted and the remaining space in the filter height was recorded 181925 The average weight of the 510 mm EAF slag aggregates in each of the four

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  • US3241917A Production of phosphorus pentoxide from a

    One direct method is by mixing varying amounts of silica andor lime or slag from the kiln with the crushed and pulverized phosphate feed in the blender prior to defluorination A second method is

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  • The Use of Blast Furnace Slag for Removal of Phosphorus

    Research on Phosphorus P removal capacity by blast furnace slags BFS has been undertaken in Sweden for the last decade Both laboratory experiments and field trials have been carried out While laboratory investigations revealed that BFS has a high Psorption capacity 95100 P removal in field trials was much lower ranging from 40 to

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  • The Use of Blast Furnace Slag for Removal of Phosphorus

    Research on Phosphorus P removal capacity by blast furnace slags BFS has been undertaken in Sweden for the last decade Both laboratory experiments and field trials have been carried out While laboratory investigations revealed that BFS has a high Psorption capacity 95100 P removal in field trials was much lower ranging from 40 to 53

    Get Price
  • Slag Wikipedia

    Slag is the glasslike byproduct left over after a desired metal has been separated ie smelted from its raw oreSlag is usually a mixture of metal oxides and silicon dioxideHowever slags can contain metal sulfides and elemental metals While slags are generally used to remove waste in metal smelting they can also serve other purposes such as assisting in the temperature control of

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