Hillingdon Clinical Waste Incinerator - Revision history

Northern Chick: /* PlantAnnual Operators Report 2020 */ new text and web links

2021-06-28T13:41:04Z

PlantAnnual Operators Report 2020: new text and web links

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	The [[Flue Gas\|flue gases]] from the [[Incineration\|incineration]] process then pass through a secondary chamber, or afterburner, where any gaseous products of [[Combustion\|combustion]] are burned out under oxygen rich conditions. This stage is designed to destroy any [[wikipedia:Carbon monoxide\|Carbon Monoxide]], [[wikipedia:Volatile organic compound\|volatile organic compounds]], and [[wikipedia:Dioxins and dioxin-like compounds\|Dioxins and dioxin-like compounds]] and [[Wikipedia:Furan\|furans]] produced by the [[Combustion\|combustion]] process in the primary chamber.		The [[Flue Gas\|flue gases]] from the [[Incineration\|incineration]] process then pass through a secondary chamber, or afterburner, where any gaseous products of [[Combustion\|combustion]] are burned out under oxygen rich conditions. This stage is designed to destroy any [[wikipedia:Carbon monoxide\|Carbon Monoxide]], [[wikipedia:Volatile organic compound\|volatile organic compounds]], and [[wikipedia:Dioxins and dioxin-like compounds\|Dioxins and dioxin-like compounds]] and [[Wikipedia:Furan\|furans]] produced by the [[Combustion\|combustion]] process in the primary chamber.

	The [[Flue Gas\|flue gases]] are then cooled by directing them through a waste-heat boiler and economiser, before they pass into the final, abatement section of the process.Powdered [[Wikipedia:Lime (material)\|lime]] (Calcium Hydroxide) and powdered [[wikipedia:Activated carbon\|activated carbon]] are added to the [[Flue Gas\|flue gases]] entering the abatement process to remove acid gases, heavy metals and residual [[Wikipedia:Dioxins and dioxin-like compounds\|dioxins]] and [[Wikipedia:Furan\|furans]] before discharge to atmosphere from the stack. The flue gases being discharged from the [[wikipedia:Chimney\|stack]] are continuously monitored for [[wikipedia:Hydrogen chloride\|Hydrogen Chloride]], [[wikipedia:Sulfur dioxide\|Sulphur Dioxide]], [[Wikipedia:Carbon monoxide\|Carbon Monoxide]], [[Wikipedia:Nitrogen oxide\|Oxides of Nitrogen]] ~~and~~ [[Wikipedia:Volatile organic compound\|Volatile Organic Compounds]].		The [[Flue Gas\|flue gases]] are then cooled by directing them through a waste-heat boiler and economiser, before they pass into the final, abatement section of the process.Powdered [[Wikipedia:Lime (material)\|lime]] (Calcium Hydroxide) and powdered [[wikipedia:Activated carbon\|activated carbon]] are added to the [[Flue Gas\|flue gases]] entering the abatement process to remove acid gases, [[Wikipedia:Heavy metals\|heavy metals]] and residual [[Wikipedia:Dioxins and dioxin-like compounds\|dioxins]] and [[Wikipedia:Furan\|furans]] before discharge to atmosphere from the stack. The flue gases being discharged from the [[wikipedia:Chimney\|stack]] are continuously monitored for [[wikipedia:Hydrogen chloride\|Hydrogen Chloride]], [[wikipedia:Sulfur dioxide\|Sulphur Dioxide]], [[Wikipedia:Carbon monoxide\|Carbon Monoxide]], [[Wikipedia:Nitrogen oxide\|Oxides of Nitrogen]], [[Wikipedia:Particulates\|particulate matter]] (dust), [[Wikipedia:Volatile organic compound\|Volatile Organic Compounds]], [[Wikipedia:Oxygen\|oxygen]], [[Wikipedia:Ammonia\|ammonia]] and [[Wikipedia:Nitrous oxide\|nitrous oxide]].

	The [[Incineration\|incineration]] process produces two residues; [[Incinerator Bottom Ash\|bottom ash]] and [[Fly Ash\|spent lime]].		The [[Incineration\|incineration]] process produces two residues; [[Incinerator Bottom Ash\|bottom ash]] and [[Fly Ash\|spent lime]].

Northern Chick: /* PlantAnnual Operators Report 2020 */ new text

2021-06-28T13:35:08Z

PlantAnnual Operators Report 2020: new text

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	The [[Flue Gas\|flue gases]] from the [[Incineration\|incineration]] process then pass through a secondary chamber, or afterburner, where any gaseous products of [[Combustion\|combustion]] are burned out under oxygen rich conditions. This stage is designed to destroy any [[wikipedia:Carbon monoxide\|Carbon Monoxide]], [[wikipedia:Volatile organic compound\|volatile organic compounds]], and [[wikipedia:Dioxins and dioxin-like compounds\|Dioxins and dioxin-like compounds]] and [[Wikipedia:Furan\|furans]] produced by the [[Combustion\|combustion]] process in the primary chamber.		The [[Flue Gas\|flue gases]] from the [[Incineration\|incineration]] process then pass through a secondary chamber, or afterburner, where any gaseous products of [[Combustion\|combustion]] are burned out under oxygen rich conditions. This stage is designed to destroy any [[wikipedia:Carbon monoxide\|Carbon Monoxide]], [[wikipedia:Volatile organic compound\|volatile organic compounds]], and [[wikipedia:Dioxins and dioxin-like compounds\|Dioxins and dioxin-like compounds]] and [[Wikipedia:Furan\|furans]] produced by the [[Combustion\|combustion]] process in the primary chamber.

			The [[Flue Gas\|flue gases]] are then cooled by directing them through a waste-heat boiler and economiser, before they pass into the final, abatement section of the process.Powdered [[Wikipedia:Lime (material)\|lime]] (Calcium Hydroxide) and powdered [[wikipedia:Activated carbon\|activated carbon]] are added to the [[Flue Gas\|flue gases]] entering the abatement process to remove acid gases, heavy metals and residual [[Wikipedia:Dioxins and dioxin-like compounds\|dioxins]] and [[Wikipedia:Furan\|furans]] before discharge to atmosphere from the stack. The flue gases being discharged from the [[wikipedia:Chimney\|stack]] are continuously monitored for [[wikipedia:Hydrogen chloride\|Hydrogen Chloride]], [[wikipedia:Sulfur dioxide\|Sulphur Dioxide]], [[Wikipedia:Carbon monoxide\|Carbon Monoxide]], [[Wikipedia:Nitrogen oxide\|Oxides of Nitrogen]] and [[Wikipedia:Volatile organic compound\|Volatile Organic Compounds]].

			The [[Incineration\|incineration]] process produces two residues; [[Incinerator Bottom Ash\|bottom ash]] and [[Fly Ash\|spent lime]].

	The ~~hot gases then pass through a~~ [[~~wikipedia:Boiler (power generation)~~\|~~boiler~~]] ~~and dilution air system, before the~~ [[~~Flue Gas~~\|~~gases~~]] ~~pass on to the~~ [[~~wikipedia:Scrubber~~\|~~flue gas treatment~~]] ~~system<ref name="SRCL" />~~.

	The 2020 annual report states that the ''[[Incineration\|incinerator]] is currently off-line with the site being operated as a transfer facility agreed LEP'' and at the end of the same annual report it notes ''Plant off-line for major refurbishment. Scope of works controlled by the NHS''<ref>Annual Performance Report 2020</ref>		The 2020 annual report states that the ''[[Incineration\|incinerator]] is currently off-line with the site being operated as a transfer facility agreed LEP'' and at the end of the same annual report it notes ''Plant off-line for major refurbishment. Scope of works controlled by the NHS''<ref>Annual Performance Report 2020</ref>

Northern Chick: /* Plant */

2021-06-28T13:30:25Z

Plant

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	The [[Clinical Waste Incinerator]] is located at the [[Hillingdon Hospital]] and is operated by [[Stericycle]] ([[SRCL]]) Ltd. The plant consists of a single stream process, rated at 1,000 kg per hour<ref name="SRCL">Annual Performance Report 2019, SRCL Ltd</ref> equivalent to 8,000 tonnes per annum of solid wastes. The Primary Chamber operates a conventional [[combustion]] [[grate\|pulse hearth]] design with sufficient retention time to burn the wastes to a high quality ash<ref name="SRCL" />.		The [[Clinical Waste Incinerator]] is located at the [[Hillingdon Hospital]] and is operated by [[Stericycle]] ([[SRCL]]) Ltd. The plant consists of a single stream process, rated at 1,000 kg per hour<ref name="SRCL">Annual Performance Report 2019, SRCL Ltd</ref> equivalent to 8,000 tonnes per annum of solid wastes. The Primary Chamber operates a conventional [[combustion]] [[grate\|pulse hearth]] design with sufficient retention time to burn the wastes to a high quality ash<ref name="SRCL" />.

	==Plant==		==Plant<ref>Annual Operators Report 2020</ref>==
	Waste is loaded mechanically into the Primary Chamber using a hydraulic lift and tip arrangement, to avoid any manual handling of the waste<ref name="SRCL" />. The [[combustion]] process ~~flue gas from the Primary Chamber then passes to the Secondary Chamber~~ to produce [[IBA\|~~bottom~~ ash]]~~<ref name="SRCL" />~~. The [[~~IBA~~\|~~bottom ash~~]] is ~~discharged into a ash quench pit~~, and ~~from~~ the ~~ash quench pit it is discharged into storage skips~~.		Waste is loaded mechanically into the Primary Chamber using a hydraulic lift and tip arrangement, to avoid any manual handling of the waste<ref name="SRCL" />. The waste is chargeed into the [[Incineration\|incinerator]] where the [[Combustion\|combustion]] process commences. The [[Clinical Waste\|clinical waste]] is burnt at a minimum temperature of 850°C for all categories of [[Clinical Waste\|clinical waste]] except cytotoxic/cytostatic wastes which are burnt at a minimum of 1000°C, to produce an [[IBA\|ash]]. The residues are then dropped into an ash quench pit at the end of the process before being transferred into a skip.

			The [[Flue Gas\|flue gases]] from the [[Incineration\|incineration]] process then pass through a secondary chamber, or afterburner, where any gaseous products of [[Combustion\|combustion]] are burned out under oxygen rich conditions. This stage is designed to destroy any [[wikipedia:Carbon monoxide\|Carbon Monoxide]], [[wikipedia:Volatile organic compound\|volatile organic compounds]], and [[wikipedia:Dioxins and dioxin-like compounds\|Dioxins and dioxin-like compounds]] and [[Wikipedia:Furan\|furans]] produced by the [[Combustion\|combustion]] process in the primary chamber.



	The Secondary Chamber is operated under oxygen-rich conditions to combust any [[wikipedia:Carbon monoxide\|Carbon Monoxide]] and [[wikipedia:Volatile organic compound\|volatile organic compounds]] produced in the Primary Chamber<ref name="SRCL" />.

	The hot gases then pass through a [[wikipedia:Boiler (power generation)\|boiler]] and dilution air system, before the [[Flue Gas\|gases]] pass on to the [[wikipedia:Scrubber\|flue gas treatment]] system<ref name="SRCL" />.		The hot gases then pass through a [[wikipedia:Boiler (power generation)\|boiler]] and dilution air system, before the [[Flue Gas\|gases]] pass on to the [[wikipedia:Scrubber\|flue gas treatment]] system<ref name="SRCL" />.

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	The Secondary Chamber is operated under oxygen-rich conditions to combust any [[wikipedia:Carbon monoxide\|Carbon Monoxide]] and [[wikipedia:Volatile organic compound\|volatile organic compounds]] produced in the Primary Chamber<ref name="SRCL" />.		The Secondary Chamber is operated under oxygen-rich conditions to combust any [[wikipedia:Carbon monoxide\|Carbon Monoxide]] and [[wikipedia:Volatile organic compound\|volatile organic compounds]] produced in the Primary Chamber<ref name="SRCL" />.

	The hot gases then pass through a [[wikipedia:Boiler (power generation)\|boiler]] and dilution air system, before the [[Flue Gas\|gases]] pass on to the [[wikipedia:Scrubber\|flue gas treatment]] system<ref name="SRCL" />.		The hot gases then pass through a [[wikipedia:Boiler (power generation)\|boiler]] and dilution air system, before the [[Flue Gas\|gases]] pass on to the [[wikipedia:Scrubber\|flue gas treatment]] system<ref name="SRCL" />.

			The 2020 annual report states that the ''[[Incineration\|incinerator]] is currently off-line with the site being operated as a transfer facility agreed LEP'' and at the end of the same annual report it notes ''Plant off-line for major refurbishment. Scope of works controlled by the NHS''<ref>Annual Performance Report 2020</ref>
	{{EAIn\|EPR={{#var:epr}}}}		{{EAIn\|EPR={{#var:epr}}}}

	==References==		==References==

Bin52: /* Plant */

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Plant

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	The Secondary Chamber is operated under oxygen-rich conditions to combust any [[wikipedia:Carbon monoxide\|Carbon Monoxide]] and [[wikipedia:Volatile organic compound\|volatile organic compounds]] produced in the Primary Chamber<ref name="SRCL" />.		The Secondary Chamber is operated under oxygen-rich conditions to combust any [[wikipedia:Carbon monoxide\|Carbon Monoxide]] and [[wikipedia:Volatile organic compound\|volatile organic compounds]] produced in the Primary Chamber<ref name="SRCL" />.

	The hot gases then pass through a [[wikipedia:Boiler (power generation)\|boiler]] and dilution air system, before the gases pass on to the [[wikipedia:Scrubber\|flue gas treatment]] system<ref name="SRCL" />.		The hot gases then pass through a [[wikipedia:Boiler (power generation)\|boiler]] and dilution air system, before the [[Flue Gas\|gases]] pass on to the [[wikipedia:Scrubber\|flue gas treatment]] system<ref name="SRCL" />.
	{{EAIn\|EPR={{#var:epr}}}}		{{EAIn\|EPR={{#var:epr}}}}

	==References==		==References==

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2021-06-02T15:08:11Z

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	[[Clinical Waste Incinerator]] operated by [[Stericylce]] ([[SRCL]]) Ltd and based at [[Hillingdon Hospital]].		[[Clinical Waste Incinerator]] operated by [[Stericylce]] ([[SRCL]]) Ltd and based at [[Hillingdon Hospital]].
	{{ClinIncin\|EPR={{#var:epr}}\|id=13}}		{{ClinIncin\|EPR={{#var:epr}}\|id=13}}
	[[File:~~1520176751080~~.~~jpg~~\|~~300px~~\|left\|Picture of Hillingdon ~~Hospital Sign~~ - ~~all~~ rights reserved]]__TOC__		[[File:Picture2.png\|350px\|left\|Picture of Hillingdon Clinical Incinerator - Captured from Google Street View - All rights reserved]]
			__TOC__
	<br clear='left'/>		<br clear='left'/>

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	==Summary==		==Summary==
	The [[Clinical Waste Incinerator]] is located at the [[Hillingdon Hospital]] and is operated by [[Stericycle]] ([[SRCL]]) Ltd. The plant consists of a single stream process, rated at 1,000 kg per hour<ref name="SRCL">Annual Performance Report 2019, SRCL Ltd</ref> equivalent to 8,000 tonnes per annum of solid wastes. The Primary Chamber operates a conventional combustion [[grate\|pulse hearth]] design with sufficient retention time to burn the wastes to a high quality ash<ref name="SRCL" />.		The [[Clinical Waste Incinerator]] is located at the [[Hillingdon Hospital]] and is operated by [[Stericycle]] ([[SRCL]]) Ltd. The plant consists of a single stream process, rated at 1,000 kg per hour<ref name="SRCL">Annual Performance Report 2019, SRCL Ltd</ref> equivalent to 8,000 tonnes per annum of solid wastes. The Primary Chamber operates a conventional [[combustion]] [[grate\|pulse hearth]] design with sufficient retention time to burn the wastes to a high quality ash<ref name="SRCL" />.

	==Plant==		==Plant==

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	{{#vardefine: epr\|LP3037UU}}[[Category:High Temperature and Clinical Waste Incinerators]]		{{#vardefine: epr\|LP3037UU}}[[Category:High Temperature and Clinical Waste Incinerators]]
	[[Clinical Waste Incinerator]] operated by Stericylce (SRCL) Ltd and based at Hillingdon Hospital		[[Clinical Waste Incinerator]] operated by [[Stericylce]] ([[SRCL]]) Ltd and based at [[Hillingdon Hospital]].
			{{ClinIncin\|EPR={{#var:epr}}\|id=13}}
			[[File:1520176751080.jpg\|300px\|left\|Picture of Hillingdon Hospital Sign - all rights reserved]]__TOC__
			<br clear='left'/>

			==Summary==
			The [[Clinical Waste Incinerator]] is located at the [[Hillingdon Hospital]] and is operated by [[Stericycle]] ([[SRCL]]) Ltd. The plant consists of a single stream process, rated at 1,000 kg per hour<ref name="SRCL">Annual Performance Report 2019, SRCL Ltd</ref> equivalent to 8,000 tonnes per annum of solid wastes. The Primary Chamber operates a conventional combustion [[grate\|pulse hearth]] design with sufficient retention time to burn the wastes to a high quality ash<ref name="SRCL" />.

			==Plant==
			Waste is loaded mechanically into the Primary Chamber using a hydraulic lift and tip arrangement, to avoid any manual handling of the waste<ref name="SRCL" />. The [[combustion]] process flue gas from the Primary Chamber then passes to the Secondary Chamber to produce [[IBA\|bottom ash]]<ref name="SRCL" />. The [[IBA\|bottom ash]] is discharged into a ash quench pit, and from the ash quench pit it is discharged into storage skips.

			The Secondary Chamber is operated under oxygen-rich conditions to combust any [[wikipedia:Carbon monoxide\|Carbon Monoxide]] and [[wikipedia:Volatile organic compound\|volatile organic compounds]] produced in the Primary Chamber<ref name="SRCL" />.

			The hot gases then pass through a [[wikipedia:Boiler (power generation)\|boiler]] and dilution air system, before the gases pass on to the [[wikipedia:Scrubber\|flue gas treatment]] system<ref name="SRCL" />.
			{{EAIn\|EPR={{#var:epr}}}}
			==References==

Northern Chick: New text

2021-05-27T12:15:31Z

New text

New page

{{#vardefine: epr|LP3037UU}}[[Category:High Temperature and Clinical Waste Incinerators]]
[[Clinical Waste Incinerator]] operated by Stericylce (SRCL) Ltd and based at Hillingdon Hospital

← Older revision		Revision as of 13:41, 28 June 2021
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	The [[Flue Gas\|flue gases]] from the [[Incineration\|incineration]] process then pass through a secondary chamber, or afterburner, where any gaseous products of [[Combustion\|combustion]] are burned out under oxygen rich conditions. This stage is designed to destroy any [[wikipedia:Carbon monoxide\|Carbon Monoxide]], [[wikipedia:Volatile organic compound\|volatile organic compounds]], and [[wikipedia:Dioxins and dioxin-like compounds\|Dioxins and dioxin-like compounds]] and [[Wikipedia:Furan\|furans]] produced by the [[Combustion\|combustion]] process in the primary chamber.		The [[Flue Gas\|flue gases]] from the [[Incineration\|incineration]] process then pass through a secondary chamber, or afterburner, where any gaseous products of [[Combustion\|combustion]] are burned out under oxygen rich conditions. This stage is designed to destroy any [[wikipedia:Carbon monoxide\|Carbon Monoxide]], [[wikipedia:Volatile organic compound\|volatile organic compounds]], and [[wikipedia:Dioxins and dioxin-like compounds\|Dioxins and dioxin-like compounds]] and [[Wikipedia:Furan\|furans]] produced by the [[Combustion\|combustion]] process in the primary chamber.

	The [[Flue Gas\|flue gases]] are then cooled by directing them through a waste-heat boiler and economiser, before they pass into the final, abatement section of the process.Powdered [[Wikipedia:Lime (material)\|lime]] (Calcium Hydroxide) and powdered [[wikipedia:Activated carbon\|activated carbon]] are added to the [[Flue Gas\|flue gases]] entering the abatement process to remove acid gases, heavy metals and residual [[Wikipedia:Dioxins and dioxin-like compounds\|dioxins]] and [[Wikipedia:Furan\|furans]] before discharge to atmosphere from the stack. The flue gases being discharged from the [[wikipedia:Chimney\|stack]] are continuously monitored for [[wikipedia:Hydrogen chloride\|Hydrogen Chloride]], [[wikipedia:Sulfur dioxide\|Sulphur Dioxide]], [[Wikipedia:Carbon monoxide\|Carbon Monoxide]], [[Wikipedia:Nitrogen oxide\|Oxides of Nitrogen]] ~~and~~ [[Wikipedia:Volatile organic compound\|Volatile Organic Compounds]].		The [[Flue Gas\|flue gases]] are then cooled by directing them through a waste-heat boiler and economiser, before they pass into the final, abatement section of the process.Powdered [[Wikipedia:Lime (material)\|lime]] (Calcium Hydroxide) and powdered [[wikipedia:Activated carbon\|activated carbon]] are added to the [[Flue Gas\|flue gases]] entering the abatement process to remove acid gases, [[Wikipedia:Heavy metals\|heavy metals]] and residual [[Wikipedia:Dioxins and dioxin-like compounds\|dioxins]] and [[Wikipedia:Furan\|furans]] before discharge to atmosphere from the stack. The flue gases being discharged from the [[wikipedia:Chimney\|stack]] are continuously monitored for [[wikipedia:Hydrogen chloride\|Hydrogen Chloride]], [[wikipedia:Sulfur dioxide\|Sulphur Dioxide]], [[Wikipedia:Carbon monoxide\|Carbon Monoxide]], [[Wikipedia:Nitrogen oxide\|Oxides of Nitrogen]], [[Wikipedia:Particulates\|particulate matter]] (dust), [[Wikipedia:Volatile organic compound\|Volatile Organic Compounds]], [[Wikipedia:Oxygen\|oxygen]], [[Wikipedia:Ammonia\|ammonia]] and [[Wikipedia:Nitrous oxide\|nitrous oxide]].

	The [[Incineration\|incineration]] process produces two residues; [[Incinerator Bottom Ash\|bottom ash]] and [[Fly Ash\|spent lime]].		The [[Incineration\|incineration]] process produces two residues; [[Incinerator Bottom Ash\|bottom ash]] and [[Fly Ash\|spent lime]].

← Older revision		Revision as of 13:35, 28 June 2021
Line 14:		Line 14:
	The [[Flue Gas\|flue gases]] from the [[Incineration\|incineration]] process then pass through a secondary chamber, or afterburner, where any gaseous products of [[Combustion\|combustion]] are burned out under oxygen rich conditions. This stage is designed to destroy any [[wikipedia:Carbon monoxide\|Carbon Monoxide]], [[wikipedia:Volatile organic compound\|volatile organic compounds]], and [[wikipedia:Dioxins and dioxin-like compounds\|Dioxins and dioxin-like compounds]] and [[Wikipedia:Furan\|furans]] produced by the [[Combustion\|combustion]] process in the primary chamber.		The [[Flue Gas\|flue gases]] from the [[Incineration\|incineration]] process then pass through a secondary chamber, or afterburner, where any gaseous products of [[Combustion\|combustion]] are burned out under oxygen rich conditions. This stage is designed to destroy any [[wikipedia:Carbon monoxide\|Carbon Monoxide]], [[wikipedia:Volatile organic compound\|volatile organic compounds]], and [[wikipedia:Dioxins and dioxin-like compounds\|Dioxins and dioxin-like compounds]] and [[Wikipedia:Furan\|furans]] produced by the [[Combustion\|combustion]] process in the primary chamber.

			The [[Flue Gas\|flue gases]] are then cooled by directing them through a waste-heat boiler and economiser, before they pass into the final, abatement section of the process.Powdered [[Wikipedia:Lime (material)\|lime]] (Calcium Hydroxide) and powdered [[wikipedia:Activated carbon\|activated carbon]] are added to the [[Flue Gas\|flue gases]] entering the abatement process to remove acid gases, heavy metals and residual [[Wikipedia:Dioxins and dioxin-like compounds\|dioxins]] and [[Wikipedia:Furan\|furans]] before discharge to atmosphere from the stack. The flue gases being discharged from the [[wikipedia:Chimney\|stack]] are continuously monitored for [[wikipedia:Hydrogen chloride\|Hydrogen Chloride]], [[wikipedia:Sulfur dioxide\|Sulphur Dioxide]], [[Wikipedia:Carbon monoxide\|Carbon Monoxide]], [[Wikipedia:Nitrogen oxide\|Oxides of Nitrogen]] and [[Wikipedia:Volatile organic compound\|Volatile Organic Compounds]].

			The [[Incineration\|incineration]] process produces two residues; [[Incinerator Bottom Ash\|bottom ash]] and [[Fly Ash\|spent lime]].

	The ~~hot gases then pass through a~~ [[~~wikipedia:Boiler (power generation)~~\|~~boiler~~]] ~~and dilution air system, before the~~ [[~~Flue Gas~~\|~~gases~~]] ~~pass on to the~~ [[~~wikipedia:Scrubber~~\|~~flue gas treatment~~]] ~~system<ref name="SRCL" />~~.

	The 2020 annual report states that the ''[[Incineration\|incinerator]] is currently off-line with the site being operated as a transfer facility agreed LEP'' and at the end of the same annual report it notes ''Plant off-line for major refurbishment. Scope of works controlled by the NHS''<ref>Annual Performance Report 2020</ref>		The 2020 annual report states that the ''[[Incineration\|incinerator]] is currently off-line with the site being operated as a transfer facility agreed LEP'' and at the end of the same annual report it notes ''Plant off-line for major refurbishment. Scope of works controlled by the NHS''<ref>Annual Performance Report 2020</ref>

← Older revision		Revision as of 13:30, 28 June 2021
Line 9:		Line 9:
	The [[Clinical Waste Incinerator]] is located at the [[Hillingdon Hospital]] and is operated by [[Stericycle]] ([[SRCL]]) Ltd. The plant consists of a single stream process, rated at 1,000 kg per hour<ref name="SRCL">Annual Performance Report 2019, SRCL Ltd</ref> equivalent to 8,000 tonnes per annum of solid wastes. The Primary Chamber operates a conventional [[combustion]] [[grate\|pulse hearth]] design with sufficient retention time to burn the wastes to a high quality ash<ref name="SRCL" />.		The [[Clinical Waste Incinerator]] is located at the [[Hillingdon Hospital]] and is operated by [[Stericycle]] ([[SRCL]]) Ltd. The plant consists of a single stream process, rated at 1,000 kg per hour<ref name="SRCL">Annual Performance Report 2019, SRCL Ltd</ref> equivalent to 8,000 tonnes per annum of solid wastes. The Primary Chamber operates a conventional [[combustion]] [[grate\|pulse hearth]] design with sufficient retention time to burn the wastes to a high quality ash<ref name="SRCL" />.

	==Plant==		==Plant<ref>Annual Operators Report 2020</ref>==
	Waste is loaded mechanically into the Primary Chamber using a hydraulic lift and tip arrangement, to avoid any manual handling of the waste<ref name="SRCL" />. The [[combustion]] process ~~flue gas from the Primary Chamber then passes to the Secondary Chamber~~ to produce [[IBA\|~~bottom~~ ash]]~~<ref name="SRCL" />~~. The [[~~IBA~~\|~~bottom ash~~]] is ~~discharged into a ash quench pit~~, and ~~from~~ the ~~ash quench pit it is discharged into storage skips~~.		Waste is loaded mechanically into the Primary Chamber using a hydraulic lift and tip arrangement, to avoid any manual handling of the waste<ref name="SRCL" />. The waste is chargeed into the [[Incineration\|incinerator]] where the [[Combustion\|combustion]] process commences. The [[Clinical Waste\|clinical waste]] is burnt at a minimum temperature of 850°C for all categories of [[Clinical Waste\|clinical waste]] except cytotoxic/cytostatic wastes which are burnt at a minimum of 1000°C, to produce an [[IBA\|ash]]. The residues are then dropped into an ash quench pit at the end of the process before being transferred into a skip.

			The [[Flue Gas\|flue gases]] from the [[Incineration\|incineration]] process then pass through a secondary chamber, or afterburner, where any gaseous products of [[Combustion\|combustion]] are burned out under oxygen rich conditions. This stage is designed to destroy any [[wikipedia:Carbon monoxide\|Carbon Monoxide]], [[wikipedia:Volatile organic compound\|volatile organic compounds]], and [[wikipedia:Dioxins and dioxin-like compounds\|Dioxins and dioxin-like compounds]] and [[Wikipedia:Furan\|furans]] produced by the [[Combustion\|combustion]] process in the primary chamber.



	The Secondary Chamber is operated under oxygen-rich conditions to combust any [[wikipedia:Carbon monoxide\|Carbon Monoxide]] and [[wikipedia:Volatile organic compound\|volatile organic compounds]] produced in the Primary Chamber<ref name="SRCL" />.

	The hot gases then pass through a [[wikipedia:Boiler (power generation)\|boiler]] and dilution air system, before the [[Flue Gas\|gases]] pass on to the [[wikipedia:Scrubber\|flue gas treatment]] system<ref name="SRCL" />.		The hot gases then pass through a [[wikipedia:Boiler (power generation)\|boiler]] and dilution air system, before the [[Flue Gas\|gases]] pass on to the [[wikipedia:Scrubber\|flue gas treatment]] system<ref name="SRCL" />.

← Older revision		Revision as of 07:43, 28 June 2021
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	The Secondary Chamber is operated under oxygen-rich conditions to combust any [[wikipedia:Carbon monoxide\|Carbon Monoxide]] and [[wikipedia:Volatile organic compound\|volatile organic compounds]] produced in the Primary Chamber<ref name="SRCL" />.		The Secondary Chamber is operated under oxygen-rich conditions to combust any [[wikipedia:Carbon monoxide\|Carbon Monoxide]] and [[wikipedia:Volatile organic compound\|volatile organic compounds]] produced in the Primary Chamber<ref name="SRCL" />.

	The hot gases then pass through a [[wikipedia:Boiler (power generation)\|boiler]] and dilution air system, before the [[Flue Gas\|gases]] pass on to the [[wikipedia:Scrubber\|flue gas treatment]] system<ref name="SRCL" />.		The hot gases then pass through a [[wikipedia:Boiler (power generation)\|boiler]] and dilution air system, before the [[Flue Gas\|gases]] pass on to the [[wikipedia:Scrubber\|flue gas treatment]] system<ref name="SRCL" />.

			The 2020 annual report states that the ''[[Incineration\|incinerator]] is currently off-line with the site being operated as a transfer facility agreed LEP'' and at the end of the same annual report it notes ''Plant off-line for major refurbishment. Scope of works controlled by the NHS''<ref>Annual Performance Report 2020</ref>
	{{EAIn\|EPR={{#var:epr}}}}		{{EAIn\|EPR={{#var:epr}}}}

	==References==		==References==