such as as measured by improved pulp delignification and or improved pulp bleaching an example of an effective amount of a peroxidase is 0 005 mg 10 g l of process water more preferably 0 01 1000 mg l of process water and most preferably 0 05 500 mg l of process water in regard to pulp applications such effective amount of a peroxidase will include 0 01 g 20 kg ton of pulp more preferably 0 1 g 5 kg ton of pulp and most preferably 1 g 2 kg ton of pulp an example of an effective amount of a laccase is 0 005 mg 10 g l of process water more preferably 0 01 1000 mg l of process water and most preferably 0 05 500 mg l of process water in regard to pulp applications such effective amount of a laccase will include 0 01 g 20 kg ton more preferably 0 1 g 5 kg ton and most preferably 1g 2 kg ton the peroxidases and laccases are preferably selected based their compatibility with the process conditions for the pulp treatment or waste water sludge treatment e g ph optimum temperature optimum acid stability although the invention herein has been described with reference to particular embodiments it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention it is therefore to be understood that numerous modifications may be made to the.