The Effect of the Magnetic Field on Nitrogen Compounds Transformations in Wastewater Treatment with Activated Sludge | Zendy

Agnieszka Tomska | Zendy

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The Effect of the Magnetic Field on Nitrogen Compounds Transformations in Wastewater Treatment with Activated Sludge

Author(s) -

Agnieszka Tomska

Publication year - 2016

Publication title -

engineering and protection of environment

Language(s) - English

Resource type - Journals

eISSN - 2391-7253

pISSN - 1505-3695

DOI - 10.17512/ios.2016.4.12

Subject(s) - activated sludge , sewage treatment , wastewater , nitrogen , chemistry , pulp and paper industry , waste management , materials science , environmental science , environmental engineering , engineering , organic chemistry

In this work, the influence of the magnetic field of induction 40 mT on the transformation of nitrogen compounds in activated sludge wastewater treatment process was determined. The experiment was carried out in unfavorable temperature for nitrification process 14 ± 1°C in laboratory scale in two continuously operating activated sludge systems in parallel under identical condition. In one of system a pair of permanent magnets was installed on the pipe used to recycle activated sludge. The data show that transformation of nitrogen compounds was more effective in the system, in which the activated sludge periodically exposed to the magnetic field compared to the system which has remained outside the influence of the magnetic field. It has been noted that the oxygen uptake rate of second phase of nitrification was higher by 1.6 to 2.1 times in system with magnets compared to control system.

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