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Content archived on 2022-11-21

Smoothing of pollution peaks to ensure optimum operation of treatment plants for effluents from steelworks and associated industries

Objective

The aim of the research project was the design, the testing and validation of a novel pollution peak equalization system upstream of iron-industry and connected activities waste water treatment plants. One selected as a typical study case, the acido-basic wastes from a metal finishing plant (pickling, degreasing, tin-plating and connected activities).

The purpose of the technology to be tested is to reduce the extremely variable effluent pollution concentration peaks to facilitate treatment without recourse to dilution using clean water.

The effluent to be treated is the result of steel sheet surface treatment (pickling, degreasing, tinplating, passivation after cold-rolling (SOLLAC Mardyck Works).

Studying the dynamics of variations in effluent over a period will enable us to establish, simulate and evaluate by computer simulation various designs (number and volume of compartments in the tank) with a view to setting up a pilot plant.

It is then proposed to investigate the possibility of improving the system by controlling the effluent in the plant on the basis of readings from in-line sensors (pH, titratable acidity or basicity, etc).

The system will be optimized and its performance and advantages assessed and compared with those of a conventional homogenization tank or a much larger treatment plant designed to absorb the pollution peaks.

A general report on design and application methods will be drawn up so that the technology can be transposed to other iron and steel units.

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Topic(s)

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

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Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

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Coordinator

INSTITUT DE RECHERCHES HYDROLOGIQUES
EU contribution
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Address
11 bis Gabriel Peri
54515 Vandoeuvre
France

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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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