System and method for the renovation of process water
AssigneeMeri Entsorgungstechnik fuer die Papierindustrie GmbH
InventorsLucas Menke, George Troubounis
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Abstract
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.
Claims30
A method of treating process water guided in a circuit, comprising:
- purifying at least some of the process water in an anaerobic reactor, wherein the purifying comprises mixing the at least some of the water with anaerobic microorganisms;
- and
- deliming the at least some of the process water, wherein the deliming comprises pressure relief flotation.
Dependencies are inferred from the claim text.