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Content archived on 2024-05-07

Treatment of effluent coming from leather finishing industrias

Objective



The leather finishing industry uses a large amount of water (about 17M3/Tm of leather) and thus produces great quantities of waste water. These effluents are normally treated conventionally by use of flocculation/coagulation, which manage to reduce the COD, solids in suspension and colour, but in many cases still do not come up to prevailing standards. Aware of the scarcity of water in certain regions of the south of Europe, the possibility arose to produce a treatment of these effluents that would surpass legal requirements and aiming to save water recycling more than 90% of the water in the same process of leather finishing. This solution will be applicable, with some modifications, to other industrial sectors such as tanning and textiles. The project comprises the treatment of effluents in the leather finishing industry using membrane technology (reverse osmosis), obtaining a water of similar or superior quality to the drinkable water used in the original process (in Chapter 2 the characteristicsof the original water and of the effluent are shown). The concentrate that is obtained from the process will undergo a treatment afterwards either by incineration, by electrochemical oxidation or by using a thermal treatment where a minimal waste (less than 1.5 kg per m3 of treated concentrate is produced) and can be treated as Municipal Solid Waste (MSW), then dumped. The technological objective consists of developing the proposed process and obtaining its patent, in such a way that it can later be commercialized. The economic target is that the cost per cubic metre of treated effluent be less than the cost of the water plus the wastage tax/sewerage (treatment cost <200 ptas/m3).

Programme(s)

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Topic(s)

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Call for proposal

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Funding Scheme

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CRS - Cooperative research contracts

Coordinator

Acabados Salinas SA
EU contribution
No data
Address
15,Quijote 15
03600 Elda
Spain

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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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Participants (7)

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