ACCURACY OF ANALYTICAL MEASUREMENTS IN CONTROLLING ACTIVATED SLUDGE SYSTEMS

للكتاب

Domokos, Endre – Somogyi, Viola – Utasi, Anett – Rédey, Ákos

University of Pannonia, Department of Environmental Engineering and Chemical Technology

ABSTRACT

In the technically improved countries the opportunity of building in more sensitive on-line

devices with better response time (measuring nitrate, ammonia, ortho-phosphate, COD) in

great quantities presents itself. These instruments make the parallel development of control

possible. At the same time an adequate theoretical knowledge of the system is needed, this

may be provided by the simulation of the actual configuration according to the models

available.

To give judgement on the results of the control reaching the quality-limits of treated water is

in itself not enough because the basic motive is cost optimization. Therefore the effectiveness

of the control mentioned in the title can be valued with appropriate cost analysis whereof the

fines enforced towards protecting the receiver cannot be omitted. Such examinations

nowadays in control engineering are called benchmark-tests. In this paper the main aspects of

such series of international studies are presented and analysed.

According to the examinations the results of the simulation would fit the reality better if the

effects of instrumental and electric noises are built in the calculations

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