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Marianne Plenge Wamberg - Anders G. Christensen - ATV - Jord og ...

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NEDBRYDNINGSVEJE FOR PCE MED<br />

NULVALENT JERN (ZVI)<br />

hydr<strong>og</strong>enolysis<br />

+2e - +H + -Cl -<br />

Cl 1,1 DCE<br />

H<br />

β elimination<br />

hydr<strong>og</strong>enation<br />

+2e - -2Cl -<br />

+2e - +2H +<br />

α elimination +4e - +2H + -2Cl -<br />

Cl PCE<br />

C=C<br />

Cl<br />

Cl Cl<br />

Cl C<br />

dichloroacetylene<br />

C<br />

Cl<br />

Cl<br />

Cl<br />

TCE<br />

C=C<br />

Cl<br />

Cl<br />

Cl Cl<br />

H c 1,2 DCE<br />

C=C<br />

H H<br />

Cl H<br />

t 1,2 DCE<br />

C=C<br />

H Cl<br />

C=C<br />

H<br />

Cl<br />

VC<br />

C=C<br />

H<br />

H<br />

H<br />

H<br />

H<br />

ethene<br />

C=C<br />

H<br />

H<br />

H<br />

ethane<br />

H H<br />

C C<br />

H H<br />

H<br />

Cl C C<br />

chloroacetylene<br />

H<br />

H C C<br />

acetylene<br />

H<br />

After Arnold and Roberts, ES&T, 2000, 34, 1794-1805<br />

12/03/2013 Vintermøde om jord- <strong>og</strong> grundvandsforurening, 5. – 6. marts 2013 9

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