Toward Cleaner Production Technologies
In Surface Treatment Of Metals
Author(s)
A. Nakonieczny & M. Kieszkowski
Abstract
Cleaner Production technologies are an efficient tool to solve the environmental
problems of the surface treatment of metals with a number of process-integrated
and end-of-pipe techniques and to minimise emissions to the waters and to air, as
well as to reduce the generation of hazardous wastes. This paper presents a short
characteristic of the main environmental problems of surface treatment of metals
with special consideration of hazardous wastes generated in the production of the
corrosion-protective and decorative coatings. Key environmental issues are
given. General principles of Cleaner Production technologies for surface
treatment processes are discussed. Some practical methods of reducing water
consumption and different techniques of the direct recovery of process solutions
are shown. Practical examples of Cleaner Production methods implemented into
Polish plating shops for zinc, nickel, chromium and tin plating are presented with
a short description of the obtained efficiency of recovery and economy of water
consumption.
Keywords: surface treatment of metals, environmental protection, Cleaner
Productions, IPPC Directive, rinsing technology, water consumption, emissions
minimisation, recovery of process solutions.
1 Introduction
Cleaner Production [1] technologies are among the main elements of the Best
Available Techniques, which have to be implemented in plating shops to obtain
the new integrated permit, according to European Directive 96/61/EC, so called
IPPC Directive [2] (IPPC = Integrated Pollution Prevention and Control).
The strategy of Cleaner Production and Best Available Techniques are both
based on the application of low-waste and waste-free technologies. Also the
Keywords
surface treatment of metals, environmental protection, Cleaner
Productions, IPPC Directive, rinsing technology, water consumption, emissions
minimisation, recovery of process solutions.
Related Book
Other papers in this volume
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