Moisture Content: Difference between revisions

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[[Category:Tonnage & Waste Types]]

Moisture Content is generally used as a key component to describe the water present in [[WDF]] which in turn affects the quality and energy content of the [[WDF]]. The impact on the energy value or [[NCV]] is a key factor in determining the ability of an [[~~EFW~~]] facility being able to receive the material and the [[Gate Fee]] that is charged.

Moisture Content is generally used as a key component to describe the water present in [[WDF]] which in turn affects the quality and energy content of the [[WDF]]. The impact on the energy value or [[NCV]] is a key factor in determining the ability of an [[EfW]] facility being able to receive the material and the [[Gate Fee]] that is charged<ref name="foo">WRAP, 2019. [http://www.wrap.org.uk/sites/files/wrap/WDF_Classification_6P%20pdf.pdf. A Classification Scheme to Define the Quantity of Waste Derived Fuels. Wrap.org.uk.] [online] [Accessed 1 Nov. 2019]</ref>.

The heating value of the fuel or [[NCV]] decreases with increased Moisture Content, in simple terms the higher the moisture the lower the [[NCV]]. In addition, Moisture Content is an important parameter as: higher Moisture Content increases the volume of [[Flue Gas]] produced per energy unit, requiring larger waste heat boilers and [[Flue Gas]] cleaning equipment;

* high Moisture Content will reduce the combustion temperature, changing the combustion properties which may in turn lead to in higher emissions if the combustion cannot be appropriately adjusted

* it will influence the behaviour of the waste during the primary conversion stage in a [[Gasification]]/[[Pyrolysis]] plant and will also impact on the properties and quality of the [[Syngas]] produced.

* it will influence the behaviour of the waste during the primary conversion stage in a [[Gasification]]/[[Pyrolysis]] plant and will also impact on the properties and quality of the [[Syngas]] produced<ref name="foo" />.

The table below shows how waste derived fuels can be classified depending on moisture content <ref ~~[[WRAP]] 2019~~ </~~ref~~>.

The table below shows how waste derived fuels can be classified depending on moisture content<ref name="foo" />.

{|class=wikitable

|-

|Moisture Content (as received)||style='text-align:center;' |% wt/wt (mean)|| style='text-align:center;' |<=10||style='text-align:center;' |<=15||style='text-align:center;' |<=20||style='text-align:center;' |<=30||style='text-align:center;' |<40

|}<ref name="foo" />

==References==

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 [[Category:Tonnage & Waste Types]]
-Moisture Content is generally used as a key component to describe the water present in [[WDF]] which in turn affects the quality and energy content of the [[WDF]]. The impact on the energy value or [[NCV]] is a key factor in determining the ability of an [[EFW]] facility being able to receive the material and the [[Gate Fee]] that is charged.
+Moisture Content is generally used as a key component to describe the water present in [[WDF]] which in turn affects the quality and energy content of the [[WDF]]. The impact on the energy value or [[NCV]] is a key factor in determining the ability of an [[EfW]] facility being able to receive the material and the [[Gate Fee]] that is charged<ref name="foo">WRAP, 2019. [http://www.wrap.org.uk/sites/files/wrap/WDF_Classification_6P%20pdf.pdf. A Classification Scheme to Define the Quantity of Waste Derived Fuels. Wrap.org.uk.] [online] [Accessed 1 Nov. 2019]</ref>.
 The heating value of the fuel or [[NCV]] decreases with increased Moisture Content, in simple terms the higher the moisture the lower the [[NCV]]. In addition, Moisture Content is an important parameter as: higher Moisture Content increases the volume of [[Flue Gas]] produced per energy unit, requiring larger waste heat boilers and [[Flue Gas]] cleaning equipment;
 *  high Moisture Content will reduce the combustion temperature, changing the combustion properties which may in turn lead to in higher emissions if the combustion cannot be appropriately adjusted
-* it will influence the behaviour of the waste during the primary conversion stage in a [[Gasification]]/[[Pyrolysis]] plant and will also impact on the properties and quality of the [[Syngas]] produced.
+* it will influence the behaviour of the waste during the primary conversion stage in a [[Gasification]]/[[Pyrolysis]] plant and will also impact on the properties and quality of the [[Syngas]] produced<ref name="foo" />.
-The table below shows how waste derived fuels can be classified depending on moisture content <ref [[WRAP]] 2019 </ref>.
+The table below shows how waste derived fuels can be classified depending on moisture content<ref name="foo" />.
+{|class=wikitable
+!Classification Property!! style='text-align:center;' |Unit !! style='text-align:center;' |Class 1 !! style='text-align:center;' |Class 2 !! style='text-align:center;' |Class 3 !! style='text-align:center;' |Class 4 !! style='text-align:center;' |Class 5
+|-
+|Moisture Content (as received)||style='text-align:center;' |% wt/wt (mean)|| style='text-align:center;' |<=10||style='text-align:center;' |<=15||style='text-align:center;' |<=20||style='text-align:center;' |<=30||style='text-align:center;' |<40
+|}<ref name="foo" />
+==References==
+<references />