Membrane bioreactors as core technology for water loop closure in a maltery.
This paper reports on the potential for water reuse in the malting sector. Core unit of a treatment train to close the water loop was a membrane bioreactor (MBR). Three different commercial submerged membranes were compared in terms of their fouling potential in this application. In a second step, MBR permeate was subjected to reverse osmosis (RO) and several oxidation processes. Neither the MBR permeate nor the RO permeate or oxidized water streams showed an adverse effect on malt quality. The worst case scenario was then tested in a closed water loop over several malting cycles at pilot scale and the effect on water and malt quality investigated.
De Wever
Heleen
H
VITO, Environmental and Process Technology, Mol, Belgium. heleen.dewever@vito.be
Boënne
Wesley
W
Danau
Michel
M
Vanderspiegel
N
N
Lambert
Kris
K
Hardy
Koen
K
Limbos
Jan
J
D019149:Bioreactors; D007220:Industrial Waste; D008567:Membranes, Artificial; D009995:Osmosis; D014865:Waste Disposal, Fluid / Q000379:methods; D014867:Water / Q000737:chemistry; D018508:Water Purification / Q000295:instrumentation* / Q000379:methods
D007220:Industrial Waste; D008567:Membranes, Artificial; D014867:Water