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Showing result 1 - 5 of 13 essays matching the above criteria.

  1. 1. Water born cooling of closed greenhouses : An enclosed vertical water curtain cooling system

    University essay from Högskolan Dalarna/Institutionen för information och teknik

    Author : Ahmad Kamal; [2022]
    Keywords : Greenhouses; Water born cooling; Enclosed water curtain; radiative cooling; Surplus heat energy;

    Abstract : The greenhouses play a key role in food sustainable production, the purpose of the greenhouses is to make an artificial suitable environment to grow different kinds of plants. The cost of energy used in the greenhouses to ensure the optimum temperature, humidity, and CO2 concentration, makes up a large part of the final cost of food. READ MORE

  3. 2. Groundwater flooding in a Moldovan limestone mine : An investigation into the limestone aquifer in Chisinau andsustainable solutions to mine dewatering

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Erik Tobin; [2022]
    Keywords : groundwater; hydrogeology; limestone; mine; Moldova; Chisinau; grundvatten; hydrogeologi; kalksten; gruva; Moldavien; Chisinau;

    Abstract : This work aimed to investigate the groundwater situation in and around Mina din Chisinau, an underground limestone mine in Chisinau, Moldova, in order to contribute to a sustainable solution to its flooding problem. Work on-site was done including visits inside the mine, to points of hydrogeological relevance to the mine, well inventories/search, and an attempt at an infiltration test. READ MORE

  4. 3. Fördröjning och rening i urbana dagvattenlösningar : undersökningar av krossmagasin med kolmakadamfyllning i Rosendal Etapp 1 samt Gamla Uppsalagatan 21:20

    University essay from SLU/Dept. of Urban and Rural Development

    Author : Marlene Nilsson; [2022]
    Keywords : biokol; dagvatten; metall adsorption; hållbara dagvattenhantering; reningsförmåga; first flush; svackdike; makadamdike; avsättningsmagasin;

    Abstract : Klimatanpassning av urbana miljöer är en stor utmaning som samhället står inför. Att ta hand om dagvattenavrinning när regnen blir intensivare och flödestopparna större gör att de underdimensionerade ledningsnätet inte räcker till för dessa flöden. READ MORE

  5. 4. Design and Optimisation of an Aquifer Storage and Recovery System - Options for long term storage under natural hydraulic gradients

    University essay from Lunds universitet/Teknisk geologi

    Author : Simon Kreipl; [2021]
    Keywords : Aquifer storage and recovery; well-field design; groundwater modelling; numerical modelling; FEFLOW; Technology and Engineering;

    Abstract : Aquifer storage and recovery (ASR) is a concept where water is stored in an aquifer during times when it is available, thus creating artificial groundwater, which can later be recovered by pumping when it is needed (Pyne, 1995). One ASR cycle consists of a injection, a standby and a recovery phase. READ MORE

  6. 5. Geochemical tracing of Arsenic sources in groundwater at the remediated Storliden mine, Skellefte district

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Matilda Edvardsson; [2021]
    Keywords : Arsenic; groundwater; Sulfide oxidation; Arsenopyrite; Storliden; remediation; Arsenik; grundvatten; sulfidoxidation; Arsenikkis; Storliden; efterbehandling;

    Abstract : The Swedish mining industry has changed from the historical situation with several smaller mines to the present situation with a few, bigger mines. This results in presence of abandoned mines around Sweden. Remediation of mines is regulated by legislation and the present demands are considerably higher than it was some decades ago. READ MORE