Environmental impacts of nutrient removal processes: case study

Article Abstract:

The disposal of effluent of wastewater treatment plant has posed several environmental issues because of its potential risks. Although wastewater treatment operations are aimed at disinfecting sewages, its byproducts such as nitrogen can become hazardous when it exceeds tolerable level. Thus, wastewater treatment programs should address this problem by improving denitrification method which can be utilized in wastewater treatment plants.

Analysis, Environmental aspects, Sewage, Denitrification, Effluent quality

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Chipper, for now

Article Abstract:

Beligium's experiment in using electronic cash, known as Proton, has been very successful. People find their 'electronic purse' convenient and easy to use. The system is operated by a consortium of 60 banks, known as Banksys. Transactions are processed at a central location where there is a record of all debits.

Magnetic Cards, Magnetic and Optical Recording Media Manufacturing, Electronic components, not elsewhere classified, Management, Economic policy, Belgium, Electronic funds transfer systems, Smart cards

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Severe winter bumps peak up 4.8%

Article Abstract:

Survey of electric utilities shows growth in total electricity use; regional use varied from 29% more to 11.6% less.

Statistics, Surveys, Electric power-plants, Electric power plants, Electrical World (Periodical)

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