SYSTEM AND METHOD FOR THE RENOVATION OF PROCESS WATER

摘要

Disclosed is a system for renovating process water, especially during the
production of paper. Said system comprises at least one process water
renovation unit, at least one of which is provided with an anaerobic reactor
spiked with anaerobic microorganisms as well as a lime elimination unit. Also
disclosed is a method for renovating process water, particularly during the
production of paper, which encompasses at least one process water renovation
step in which at least some of the process water continuously delivered to the
process water renovation step is subjected to a purification step in an
anaerobic reactor that is spiked with anaerobic microorganisms and to a
deliming step.