21 Settembre 2020
Achievements
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ARLEI LEATHER Group

TANNERY , > 5000 MC/DAY , ARGENTINA
YEAR OF INSTALLATION/INTERVENTION 1999-2001

DELTACQUE typology of action
- Feasibility Study
- Definitive and Executive project
- Machinery supply
- Assistance to the production process
- Plant start-up


Aims of the action
- Pre-treatment and treatment of water deriving from the soaking, liming and deliming phases and relative rinsing.
- Biological treatment plant
- Biological sedimentation plant
- Sludge treatment plant
- Chrome recovery plant
- Sulphides recovery plant

Plant capacity
- Leather production: 160 ton/day
- Hydraulic capacity of the plant: 7.000 m³/day

Waste Water features
Volume m³/day
Inlet: 7.000 Outlet: 6.440
C.O.D. mg/l
Inlet: 5.000 Outlet: 400
B.O.D. mg/l
Inlet: 2.500 Outlet: 150
Sulphides mg/l
Inlet: 110 Outlet: 0,5
Cr 3+ mg/l
Inlet: 35 Outlet: 1
NH4 mg/l
Inlet: 0 Outlet: 0
pH
Inlet: 6,5 Outlet: 7,5

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