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Industrial Waste Water Treatment
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Treatment
and
recycling of industrial waste water in an glass factory |
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R.A.P.T.
reactor -
coagulation |
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R.A.P.D.
reactor-
flocculation |
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Final clarification
by dissolved air flottation :
HYDROFLOT |
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Recycling of total treated flow is
possible for the
water supply of glass production machines. |
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Treated water flow (for recycling or disposal to river) : 25 m³/h |
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Biological aerobic treatment SBR
for industrial waste water in a industrial bakery |
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Treatment capacity: |
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Pollution = 430
kgCOD/j |
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Disposal in a river |
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Discharge limits : |
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S.S.
< 60 mg/l |
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B.O.D5 < 30 mg/l |
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C.O.D
< 125 mg/l |
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Total
Nitrogen < 20 mg/l |
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Treatment
line : |
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Two biological aerobic stages type « S.B.R. »
in line with flow
limiting device before disposal to the river |
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Biological sludge thickening on
a drip table before agricultural disposal |
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Physical-chimical
treatment for removal of non ferrous metal ions before disposal
outside the plant |
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Treatment capacity: |
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Flow = 40 m³/h |
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Treatment line : |
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R.A.P.T. reactor - coagulation |
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R.A.P.D.
reactor
- floculation |
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Decantation |
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Biological treatment by activated sludges in brewing industry |
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Neutralization / selector - biological treatment by activated sludges (fines bubbles insufflation) - phosphorus precipitation - sludge concentration - sludge storage |
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Treatment capacity: |
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Load = 770 kgDCO/j |
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Tretament norms: |
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BOD5= 25 mg/l |
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COD= 200 mg/l |
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Suspended solids= 60 mg/l |
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Total nitrogent= 20 mg/l |
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Total phosphorus= 5 mg/l |
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