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US 2011/0300587 A1Published application
Methods To Degrade Sludge From Pulp And Paper Manufacturing
AssigneeBuckman Laboratories International, Inc.
InventorXiangdong ZHOU
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Abstract
A method to degrade or digest sludge, such as from pulp and/or paper manufacturing, is described. Compositions to use in the method are further described.
Claims25
A method to degrade sludge from pulp and/or paper manufacturing, wherein said method comprises:
- a) applying to said sludge
- i) at least one enzyme having cellulase activity, and
- ii) at least one non-ionic surfactant that is a difunctional block copolymer having an HLB value of at least 7, or a composition comprising i) and ii);
- and
- b) de-watering said sludge.
2 more elements
Dependencies are inferred from the claim text.