Essays about: "NH4"

Showing result 16 - 20 of 77 essays containing the word NH4.

1. 16. Rearing of Nile tilapia in Bio-RAS approach compared to traditionally biofloc technique.  The future of Aquaculture!

   University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

   Author : Mattias Djurstedt; [2020]
   Keywords : ;

   Abstract : Aquaculture is important towards the accomplishment of the Sustainable Development Goals, especially goal 14 and rural economic development in developing countries, but today aquaculture still has many unsustainable factors both in water use and organic waste. Biofloc (aggregation of microorganisms) technology is a potential aquaculture system which could make the industry more economic viable and more sustainable. READ MORE

3. 17. Partial denitrification as nitrite provider for mainstream anammox

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Felix Wallin Holmin; [2020]
   Keywords : Water engineering; Environmental engineering; Mainstream anammox; Partial denitrification; PDA; MBBR; Nitrogen removal; Vattenförsörjningsteknik; Avloppsteknik; Technology and Engineering;

   Abstract : In traditional wastewater treatment, nitrogen is removed through the biological process combination of nitrification and denitrification. Although it is a well-established method, the need for aeration and possible addition of an external carbon source results in it being an energy-negative and costly process, thus making alternative methods for nitrogen removal compelling to examine. READ MORE

4. 18. Mainstream Deammonification process monitoring by bacterial activity tests

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Andrea Carranza Muñoz; [2020]
   Keywords : Ammonia Oxidizing Bacteria AOB ; Anammox; Bacterial activity; Deammonification; Heterotrophic bacteria; IFAS; Mainstream wastewater; Nitrite Oxidizing Bacteria NOB ; Nitrogen Removal.;

   Abstract : Deammonification is a widely used technology for side stream treatment with rich ammonium streams at relatively high temperatures, such as, the reject water coming from dewatering units in treatment of digested sludge and industrial wastewaters. The deammonification process has lower operational costs than conventional systems, consumes less energy, enables the increase of biogas production and it is easy to implement. READ MORE

5. 19. Investigation of Readily Degradable Carbon Source Production by Hydrolyzing Sludge and Reject water at Ängen planned WWTP

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Kartika Novitasari Pranoto; [2020]
   Keywords : EBPR; activated sludge; primary sludge; reject water; hydrolysis rate; hydrolysis yield; VFAs; pH; water engineering; environmental engineering; vattenförsörjningsteknik; avloppsteknik; Technology and Engineering;

   Abstract : As form of effort to mitigate the increase of pollution level that caused by human activity, Ängen wastewater treatment plant (WWTP) will be built in Lidköping as part of the European LIFE project (LIWE LIFE). Ängen WWTP will be operated based on enhanced biological phosphorus removal (EBPR) technology. READ MORE

6. 20. Anammox in IFAS reactor for reject water treatment

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Bingquan Chen; [2019]
   Keywords : Deammonification; IFAS; Online sensors; Partial nitritation Anammox; Reject water; Specific anammox activity;

   Abstract : The aim of this study was to evaluate the performance of the integrated fixed-film activated sludge (IFAS) reactor achieving partial nitritation/anammox process to treat reject water after dewatering of digested sludge. During the study period, dissolved oxygen setpoint, aeration mode and inflow loading were changed to evaluate their influence on the process performance and efficiency in the reactor. READ MORE