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Showing result 1 - 5 of 7 essays matching the above criteria.

  1. 1. Increasing water access throughhuman-centered design : Design of a off-grid water purifying devicein a resource constraint environment

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

    Author : David Sundvall; [2022]
    Keywords : human centered design; frugal innovation; Innovation; resource constrained environment; Bottom of the pyramid; BOP; Jugaad; resource constrained environment design; Mänskligt centrerad design; Sparsam innovation; Innovation; Resursbegränsad miljö; Botten av den socioekonomiska pyramiden; BOP; Jugaad; Resursbegränsad miljö design;

    Abstract : Patrick and Felicia are a couple who run a farm. Every day they harvest their crops and sell them at the local market. This is the family's everyday life and today's income goes to all the family'sexpenses such as food, water, and transport to the market. At the end of the day, the family's totalbudget results in plus or minus zero. READ MORE

  3. 2. Phosphorous Precipitation in Source Separated Greywater for Direct Environmental Release.

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Ashley Hall; [2022]
    Keywords : water; wastewater; source separation; greywater; phosphorous; precipitation; utfällning; Chemical Engineering; Technology and Engineering;

    Abstract : As our understanding of the impact humans have on the environment changes, so too do the mitigation strategies we employ to prevent it. One major source of anthropogenic pollution is wastewater effluent. READ MORE

  4. 3. Greywater recovery in buildings - Performance possibilities actors and strategies

    University essay from KTH/Energiteknik

    Author : Niklas Edström; [2022]
    Keywords : ;

    Abstract : Greywater includes domestic wastewater from sinks, showers, and laundry. Today, most of the greywater that leaves the building contains water and energy that could be re-circulated in the building. There is therefore a potential to recycle the greywater on property, which can lead reduction in water consumption at the building level. READ MORE

  5. 4. A Quantitative Microbial Risk Assessment Associated with Cross-Connections in the Drinking Water Network in Combination with Hydraulic Modeling

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Fatin Alzuhairi; [2022]
    Keywords : EPANET; QMRA; Water distribution network; Health risk analysis; Cross-connections and backflow; Low pressure; Water quality; Simulation; Pathogen; EPANET; QMRA; vattendistributionsnät; hälsoriskanalys; korskoppling; lågtryck; vattenkvalitet; simulering; patogen;

    Abstract : Drinking water companies have the technology and responsibility to deliver safe and high-quality drinking water to the water distribution systems network (WDN). However, many events within the WDN, such as cross-connections and backflow, might degrade water quality and pose public health risks to consumers. READ MORE

  6. 5. Treatment and using of greywater in sorting wastewater system as a resource

    University essay from KTH/Kemiteknik

    Author : Maza Seyuom Seifu; [2022]
    Keywords : Greywater; heat recovery; physical treatment; chemical treatment; biological treatment; Gråvatten; värmeåtervinning; fysikalisk behandling; kemisk behandling; biologisk behandling;

    Abstract : Det här projektet redogör för olika behandlingstekniker för gråvatten och för tillämpningar för olika ändamål inom återanvändning. Syftet är att föreslå en lämplig processdesign för behandling av gråvatten i stadsmiljö, på Loudden, Norra Djurgårdsstaden (NDS). READ MORE