Estimation of environmental and economic risks of an enterprise for its water management

Summary

Modern petrochemical enterprises, in virtue of their specificity, are significant sources of environmental impact. One of the critical elements of these enterprises is wastewater treatment facilities, that play a key role in preventing water and air pollution. The efficiency of wastewater treatment facilities has a direct impact on the environmental safety of the region and economic sustainability of the enterprise. Estimation of the environmental and economic risks in this area provides for identifying potential threats to the environment and determining effective measures to mitigate their consequences. An estimation of environmental and economic risks of the enterprise was carried out using the example of wastewater treatment facilities of an oil refinery. The stages of environmental and economic risk management are defined: the first is identification, systematic study of risks typical for a given enterprise; the second is the estimation of risk, determination of the likelihood and extent of damage; the third is selection of management methods and their application. The given analysis method is the simplest and most convenient for regular monitoring of environmental and economic risks at an enterprise.

Key words

sewerage treatment facilities , ecological safety , environmental risk , mitigation of risk , eco-economic sustainability

Sewer network reliability control

Summary

The fundamental possibility of the sewer network reliability control by developing (with subsequent implementation) mid- and long-term plans for its renovation according to the criterion of the minimum possible environmental risk is discussed. As a quantitative measure, an indicator of the operational reliability of the network is considered, i.e., the relative volume of wastewater not delivered to the treatment facilities because of the failures of the network structural elements. The assumptions and limitations of such control attributable to the specific features of the object, are discussed. An algorithm for developing a network renovation plan according to the environmental criterion is proposed using the method of object segmentation and equivalenting.

Key words

reliability , management , sewerage network , method of segmentation and equivalenting , environmental risk