Search for dissertations about: "treatment concept"

Showing result 1 - 5 of 339 swedish dissertations containing the words treatment concept.

  1. 1. Municipal wastewater treatment by microsieving, microfiltration and forward osmosis : Concepts and potentials

    University dissertation from Department of Chemical Engineering, Lund University

    Author : TOBIAS HEY; Lunds universitet.; Lund University.; [2016-11-11]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Direct membrane filtration; electricity; energy; forward osmosis; microfiltration; microsieving; municipal wastewater treatment; treatment concept; Direct membrane filtration; Electricity; Energy; Forward osmosis; Microfiltration; Microsieving; Municipal wastewater treatment; Treatment concept;

    Abstract : Conventional wastewater treatment plants are designed for treating manmade wastewater (e.g., from households and industries) and to protect the environment (e.g. READ MORE

  2. 2. The zone concept design of low-voltage installations considering the spread of high frequency harmonics

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Martin Lundmark; Luleå tekniska universitet.; [2010]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electric Power Engineering; Elkraftteknik; Energy Engineering; Energiteknik;

    Abstract : The use of electric power has become a backbone of the modern society. Together with the growth in possible applications of electric power, we also see a growth in the number of devices and the interest of using electrical energy as an environmentally-friendly alternative to other sources of energy. READ MORE

  3. 3. Wastewater treatment in constructed wetlands Effects of vegetation, hydraulics and data analysis methods

    University dissertation from Linköping : Linköping University Electronic Press

    Author : Hristina Bodin; Linköpings universitet.; Linköpings universitet.; [2013]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; constructed wetland; free water surface flow; wastewater treatment; Kenya; Sweden; vegetation; harvest; Cyperus papyrus; Echinochloa pyramidalis; mass load; phosphorus; ammonium; suspended solids; pollutant removal; hydraulics; residence time distribution; data analysis methods; Konstgjorda våtmarker; avloppsvatten; vattenrening; fosfor; ammonium; partiklar; Kenya; Sverige; växter; Cyperus papyrus; Echinochloa pyramidalis; skörd; hydraulik; dataanalysmetod;

    Abstract : Degradation of water resources has become one of the most pressing global concerns currently facing mankind. Constructed Wetlands (CWs) represent a concept to combat deterioration of water resources by acting as buffers between wastewater and receiving water bodies. READ MORE

  4. 4. Start-up and operational strategies for deammonification plants : - a study with one-stage moving bed biofilm reactors treating reject water

    University dissertation from Västerås : Mälardalen University

    Author : Linda Kanders; Mälardalens högskola.; [2019]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Energy- and Environmental Engineering; energi- och miljöteknik;

    Abstract : To limit eutrophication, wastewater treatment plants use biological methods to convert degraded nitrogen to nitrogen gas. Deammonification, or partial nitritation in combination with anammox, has been shown to be an energy efficient process. READ MORE

  5. 5. Psychological perspectives on fear of birth heterogeneity, mechanisms and treatment

    University dissertation from Sundsvall : Mid Sweden University

    Author : Elisabet Rondung; Mittuniversitetet.; [2018]
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Abstract : Although it is medically safe to give birth in most western countries, the vast majority of pregnant women experience some kind of anxiety, fear or worry in relation to their pregnancy or the upcoming childbirth. Most pregnant women find ways of coping with these issues but, for many, fear of birth is a significant source of distress during pregnancy, with negative consequences both when giving birth and in the postpartum period. READ MORE