Bilag 4 - Udledning og... - Masterpiece 5.0

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1 Indledning ................................................................................................... 4
1.1 Baggrund .................................................................................................... 4
1.2 Definitioner .................................................................................................. 5
2 Projektbeskrivelse ..................................................................................... 8
2.1 Sedimentmængder ..................................................................................... 9
2.2 Vandmængder ............................................................................................ 9
2.3 Tørrefelter ................................................................................................. 10
2.4 Klaringsbassiner ....................................................................................... 10
2.5 Slutdeponi, membraner og perkolatopsamlingssystem ............................ 11
2.6 Vandbehandling ........................................................................................ 12
3 Forurenende stoffer ................................................................................. 13
3.1 Indledning ................................................................................................. 13
3.1.1 Vigtige stofgrupper .................................................................... 13
3.1.2 Forureningens form .................................................................. 13
3.2 Organotinforbindelser ............................................................................... 15
3.2.1 Anvendelser .............................................................................. 15
3.2.2 Toksicitet ................................................................................... 16
3.2.3 Sorption/desorption ................................................................... 18
3.2.4 Frigivelse ................................................................................... 19
3.2.5 Nedbrydning.............................................................................. 20
3.3 Tungmetaller ............................................................................................. 21
3.3.1 Tilstandsform ............................................................................ 21
3.3.2 Sorption ..................................................................................... 21
3.4 Polyaromatiske hydrocarboner ................................................................. 22
3.4.1 Sorption ..................................................................................... 23
3.4.2 Nedbrydning.............................................................................. 23
4 Frigivelsesforsøg ..................................................................................... 25
4.1 Formål ....................................................................................................... 25
4.2 Prøvetagningsaktiviteter ........................................................................... 25
4.2.1 Vandprøver ............................................................................... 25
4.2.2 Sedimentprøver ........................................................................ 27
4.3 Laboratorieaktiviteter ................................................................................ 28
4.3.1 Forberedelse ............................................................................. 28
4.3.2 Fremgangsmåde ....................................................................... 29
4.4 Resultater.................................................................................................. 29
4.4.1 Vandprøver fra felten ................................................................ 30
4.4.2 Frigivelsesforsøg, sediment ...................................................... 31
4.4.3 Frigivelsesforsøg, vand ............................................................. 34
4.4.4 Beregning af empiriske Kd-værdier ........................................... 37
5 Sedimentfasen ......................................................................................... 40
Kystdirektoratet:
Udledning og fortynding af forurenet vand
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