Essays about: "Alkalinity"

Showing result 1 - 5 of 46 essays containing the word Alkalinity.

  1. 1. CO2 Sequestration by Bio-Accelerated Silicate Weathering

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Tora Uebel; Elisabeth Odelius; [2023]
    Keywords : enhanced silicate weathering; microorganisms; negative emission technology; CO2 emissions;

    Abstract : Human-caused emissions of CO2 and other greenhouse gases are an established reason for the climate changes that affect planet Earth. Negative emission technologies (NETs), for example, bio-accelerated silicate weathering bioreactors, seek to capture and store carbon from the atmosphere. READ MORE

  3. 2. INVESTIGATING THE TOXIC AND ACIDIFYING EFFECT OF SCRUBBER EFFLUENT ON STRONGYLOCENTROTUS DROEBACHIENSIS LARVAE

    University essay from Göteborgs universitet / Instiutionen för biologi och miljövetenskap

    Author : Ida Vartia; [2022-09-28]
    Keywords : ;

    Abstract : To meet the new environmental requirements of reduced sulfur emissions from ships, many shipowners have installed an open-loop scrubber to clean the exhaust. In this scrubbing process, seawater is pumped from the ocean and combined with the emission gas, creating an acidic and toxic effluent that is directly discharged into the ocean, potentially damaging the marine environment. READ MORE

  4. 3. High-loaded thermophilic anaerobic digestion of mixed sewage sludge : A pilot study

    University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Author : Santiago Elejalde Bolaños; [2022]
    Keywords : thermophilic anaerobic digestion; volatile fatty acids; mixed sludge; organic loading rate; alkalinity; wastewater treatment plant; termofil rötning; flyktiga fettsyror; blandslam; organisk belastning; alkalinitet; avloppsreningsverk;

    Abstract : Municipal wastewater treatment plants (WWTP) are important infrastructural components in a society and also important for sustainability. In a WWTP the most common treatment configuration is mechanical, biological, and chemical treatment of the wastewater. READ MORE

  5. 4. Trace element leaching from alum shale fines and red ash from Kvarntorp during a large column test

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Helena Rydfjord; [2022]
    Keywords : Alum shale; Leachate; Trace elements; Kvarntorp;

    Abstract : Fuel shortage during the Second World War led to oil production in Kvarntorp, Kumla during 1942-1966 by pyrolyzing alum shale rich in pyrite, FeS2, and organic material such as kerogen. This production has led to a lot of waste laying deposited out in the open after the mining closed and has had negative environmental impact in the form of ongoing weathering and leaching of acidic water and leaching of trace elements into its surroundings. READ MORE

  6. 5. Optimisation of an ultrafiltration unit on a bench-scale pilot plant - A comparison between carbon and sand filtrate

    University essay from KTH/Kemiteknik

    Author : Philip Warman; [2022]
    Keywords : Drinking water; Ultrafiltration; Coagulation flocculation; pH; Alkalinity; Dricksvatten; Ultrafiltrering; Koagulering flockning; pH; Alkalinitet;

    Abstract : Kommunalförbundet Norrvatten är en av Sveriges största producenter av dricksvatten och förser över 50 miljoner vatten till över 700 000 invånare i norra Stockholm. Vattnet är renat i Görvälnverket som har sedan år 2016 planlagt en expansion av verkets kapacitet och kvalité. READ MORE