Essays about: "Activated sludge processes"

Showing result 11 - 15 of 28 essays containing the words Activated sludge processes.

  1. 11. Microscopic Investigation of Filamentous Microorganisms in Activated Sludge Process for Sewage Treatment

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Lilian Lawson; [2018]
    Keywords : Floating sludge; foaming; wastewater; bulking; filamentous microorganisms; fungi; yeast-like; bacteria;

    Abstract : Hammarby Sjöstadsverk is a pilot plant operated by IVL Swedish Environmental Research Institute and Royal Institute of Technology (KTH) which treats municipal wastewater. Different processes are used of which one is a Sequential Batch Reactor (SBR) with activated sludge process. READ MORE

  3. 12. Production of volatile fatty acids by hydrolysing sludge from Sjölunda WWTP

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Simon Gidstedt; [2017]
    Keywords : wastewater treatment plant; WWTP; activated sludge; primary sludge; sludge; batchwise hydrolysis; hydrolysis; Volatile fatty acids; VFA; water engineering; environmental engineering; Chemistry;

    Abstract : The biological nutrient removal (BNR) processes at Wastewater Treatment Plants (WWTPs) require easily degradable carbon, such as volatile fatty acids (VFAs), to work efficiently. Because of economical, and environmental reasons it is desired to utilize the organic content in the incoming wastewater instead of using an external carbon source. READ MORE

  4. 13. Evaluation of Partial Nitritation/Anammox processes operated in IFAS mode

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Aleksandra Zdyrska; [2017]
    Keywords : ;

    Abstract : The main aim of the study was to optimize Partial Nitritation/Anammox process operated in pilot-scale integrated fixed film activated sludge (IFAS) mode supplied with low-temperature mainstream wastewater and efficiency evaluation based on laboratory analysis and data from online sensors. Main tasks of research work were to stabilize the ongoing process and find the optimal conditions for maximizing effects of nitrogen removal. READ MORE

  5. 14. Inhibition of Nitrification in Industrial Wastewater - Identification of Sources

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Vidar Aspelin; Jennifer Ekholm; [2017]
    Keywords : nitrite; nitrate; industrial wastewater; inhibition of nitrification; additivity; nitrifikationshämning; water engineering; environmental engineering; vattenförsörjningsteknik; avloppsteknik; Technology and Engineering;

    Abstract : The discharge of industrial wastewaters (WWs) to wastewater treatment plants (WWTPs) can be problematic due to their sometimes elevated concentrations of toxic compounds compared to municipal wastewater. Also, industrial WWs often contain compounds that are unique to the specific production, and the receiving WWTP is not always designed to remove these compounds. READ MORE

  6. 15. Evaluation of the effect of different SCOD/TN ratios in a mainstream nitritation process

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Doaa el Halabi; [2017]
    Keywords : Partial nitrification; nitritation; microscreen; filtration; Chemical oxygen demand; moving bed biofilm reactor; Partial nitrification anammox; PNA.; Technology and Engineering;

    Abstract : Avloppsvatten är rikt på organiskt material, det organiska materialet har med fördel använts för biogasproduktion. Den traditionella kvävereningsprocessen kräver organiskt material, därför har ett extern organiskt material använts. READ MORE