Essays about: "filter cleaning"

Showing result 11 - 15 of 25 essays containing the words filter cleaning.

  1. 11. Design of an air purifier : -with focus on function and aesthetic design

    University essay from Luleå tekniska universitet/Institutionen för ekonomi, teknik och samhälle

    Author : Johan Bodin; David Ardmar; [2017]
    Keywords : industrial design engineering; air purifier; user experience; human centered design; sustainability; teknisk design; luftrenare; användarupplevelse; människocentrerad design; hållbarhet;

    Abstract : Poor indoor air quality is commonly foundin homes in larger cities, and is the result of agrowing industrialization that pollutes the airwe breathe with contaminants like industrialdust, smog and other particles from traffic. Thesolution from a user perspective, is to use an airpurifier that clean the air from these particlesinside the user’s home. READ MORE

  3. 12. XRF-as a tool for monitoring of biocide load in boatyards : Case study on two boatyards in Lake Mälaren

    University essay from Stockholms universitet/Institutionen för miljövetenskap och analytisk kemi

    Author : Matz Norling; [2015]
    Keywords : ;

    Abstract : The aim of this study was to assess the suitability of a special application to a Field Portable, handheld X-Ray Fluorescence (FPXRF) analyzer for monitoring of boatyards with focus on biocide load on boat hulls. In addition, the instrument was used for investigating the spatial distribution of contaminants in soil and sediments. READ MORE

  4. 13. Effects of Varying Sludge Quality on the Permeability of a Membrane Bioreactor

    University essay from KTH/Industriell ekologi

    Author : Varvara Apostolopoulou - Kalkavoura; [2014]
    Keywords : ;

    Abstract : This master thesis firstly includes a theory part describing, the conventional municipal wastewater treatment plant (WWTP) and especially the conventional activated sludge (CAS) process. As Stockholm municipality want to retrofit the current activated sludge system at Henriksdal into a membrane bioreactor (MBR), an extensive description of the MBR and its advantages and disadvantages are included. READ MORE

  5. 14. Estimation of dialysis treatment efficiency by means of system identification

    University essay from Lunds universitet/Institutionen för reglerteknik

    Author : Johan Larsson; [2014]
    Keywords : System identification; pseudo-random binary sequence; PRBS; Kalman filter; hemodialysis; dialyzer; modelling; Technology and Engineering;

    Abstract : When treating patients suffering from renal failure with hemodialysis, an obvious point of interest is the actual blood cleaning efficiency of the dialyzer (artificial kidney). This efficiency is called clearance or dialysance. The method currently used for estimating clearance is based on doing a step-change on the process. READ MORE

  6. 15. General description of measures for environmental compliance of substations owned by Svenska kraftnät in protected areas with focus on oil spill

    University essay from KTH/Skolan för kemivetenskap (CHE)

    Author : Victoria Done; [2014]
    Keywords : substation; environmental compliance; transformer oil; oil separation; oil handling; ställverk; miljösäkring; transformatorolja; oljeavskiljning; oljehantering;

    Abstract : Svenska kraftnät is the Swedish transmission system operator, responsible for the national electrical grid with power lines of 220 kV and 400 kV, and the electrical substations of the grid. In this master thesis an old substation located in a sensitive environmental area is inspected and its environmental risks defined and assessed. READ MORE