Advanced search

Showing result 21 - 25 of 61 essays matching the above criteria.

  1. 21. 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. 22. From Waste to Bioethanol - A Feasibility Study on Animal Bedding

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Ajsa Hodzic; Desirée Karlsson; [2017]
    Keywords : Bioethanol; Biofuels; Second generation bioethanol; Animal Bedding; Fermentation; SSF; SSCF; Lignocellulose; Chemical Engineering; Kemiteknik; Bioteknik; Technology and Engineering;

    Abstract : For the year 2020, the European Union has set common goals to aim for regarding the environment. One of them being to reduce the green house gas (GHG) emissions by 20 percent. The world population is increasing, consequently increasing the demand for energy and food. READ MORE

  4. 23. Modeling and Simulation of Chemical Reactors Cooled by Thermosyphons

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Marcus Hothar; [2017]
    Keywords : Loss Prevention; Runaway reaction; Heat pipe; Thermosyphon; Chemical engineering; Reactor efficiency; Chemistry; Technology and Engineering;

    Abstract : I en teoretisk studie har användbarheten av thermosyphoner för att förbättra säkerheten och effektiviseringen av kemiska reaktorer. Thermosyphoner är en simpel form av en ”heat pipe”, ett ihåligt och slutet rör som är delvis fyllt av en fluid. READ MORE

  5. 24. 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

  6. 25. Ammonia Metal Halides Thermochemical Heat Storage System Design

    University essay from KTH/Energiteknik

    Author : Michail Laios; [2017]
    Keywords : thermochemical heat storage TCS ; NH3-SrCl2 system; absorption; desorption; numerical modelling; Aspen; termokemisk värmelagring TCS ; NH3-SrCl2 system; absorption; desorption; numerisk modellering; Aspen;

    Abstract : One of the most crucial issues nowadays is the protection of the environment and the replacement of fossil fuels, which are abundantly used around the world, with more efficient and renewable sources. The highest portion of global energy demands today is used in heating and cooling purposes. READ MORE