In February 2015 was published the article in the magazine “Water resources and water management”. The article was written by Vladimir Kim, CEO GSP-Project Ltd co-authored with Nikolay Bolshakov, Ph.D., Associate Professor, GSP-Project Ltd

The article is about reconstruction of WWTP in Tihvin, where nitrogen cycle technology was applied and an aeration system Sulzer Nopon was used. The reconstruction helped to increase the efficient energy use of WWTP and to cut the cost. Payback time is about 1 year.

To download the article (in Russian)