Method for controlling zebra mussels in ship ballast tanks

Details Method for controlling zebra mussels in ship ballast tanks Method for controlling zebra mussels in ship ballast tanks

1991-05-06

1993-03-09

Wyse, Thomas

Liquid purification or separation

Processes

Chemical treatment

210764, C02F 150

Patent

active

051924510

ABSTRACT:
A method for controlling zebra mussels in ship ballast tanks comprising treating ballast water which contains zebra mussels or which is prone to zebra mussel infestation with an effective amount of a water-soluble dialkyl diallyl quaternary ammonium polymer (polyquat). A preferred polymer is a poly(quaternary ammonium) compound having the recurring structure [DMDAAX.sup.-- ] resulting from the polymerization of monomeric dimethyl diallyl ammonium X.sup.--, wherein X.sup.-- is any suitable anion.

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