Essays about: "calcium hydroxide"

Showing result 1 - 5 of 13 essays containing the words calcium hydroxide.

  1. 1. EFFECTS OF COMMERCIAL NANO-LIME PRODUCTS AS A CONSOLIDATION METHOD FOR WALL PAINTINGS An experimental case study

    University essay from Göteborgs universitet/Institutionen för kulturvård

    Author : Hannah Petrini; [2023-11-07]
    Keywords : wall paintings; Dalby Church; nano-lime; consolidation; Nanorestore®; Nanorestore Plus®; conservation of wall paintings;

    Abstract : Some of the main deterioration problems concerning wall paintings is structural degradation of the wall painting and the flaking of the painted layer. Consolidation, both in the form of reinforcement of the rendering of the wall painting and the re-adherence of a flaking paint layer to the underlying substrate, have thus been an important part of conservation efforts concerning wall paintings. READ MORE

  3. 2. Concrete with low carbon dioxid emissions : Reduced amount of cement with husk ashes

    University essay from KTH/Byggteknik och design

    Author : Elsa Johannessen; Julia Knutsson; [2021]
    Keywords : Concrete; Oat husk ash; Rice husk ash; Carbon dioxide emissions; Pozzolanic material; Environmental impact; Reduced amount of cement; Betong; Havreskalaska; Risskalaska; Koldioxidutsläpp; Puzzolana material; Miljöpåverkan; Reducerad cementmängd;

    Abstract : The world is facing a major climate threat where carbon dioxide emissions are in focus. At the same time, society requires new buildings and developed infrastructure. Concrete is one of the most common building materials and 30 billion tonnes are produced annually, which corresponds to about 6 percent of the world's carbon dioxide emissions. READ MORE

  4. 3. Fertiliser derived from human urine : novel media for alkaline urine dehydration

    University essay from SLU/Dept. of Energy and Technology

    Author : Christopher Friedrich; [2021]
    Keywords : nutrient recovery; fertiliser; urine drying; source separation; magnesium oxide; calcium hydroxide;

    Abstract : Every year, each human excretes approximately 4 kg of nitrogen, 1 kg of potassium and 0.3 kg of phosphorus through their urine. In conventional wastewater treatment, these nutrients are usually not recovered for agricultural production, although they can enhance plant growth. READ MORE

  5. 4. Coffee grounds as an adsorbent for heavy metals in water treatment : Study based on the environment around Vattenriket, Kristianstad

    University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Author : Johan Matson; [2020]
    Keywords : Acid sulfate soil; ASS; Adsorption; calcium; coffee residues; exhausted coffee; grounded coffee; pH; total organic carbon; TOC; Vattenriket; Kristianstad; pH; zinc.;

    Abstract : One of the modern times worst environmental problem are polluted water resources. An example of source of pollution to water resources are, heavy metal leached from acid sulfate soils (ASS). READ MORE

  6. 5. Integration of thermochemical heat storage with a municipal district heating system : In future scenario with large variations in electricity price

    University essay from Mälardalens högskola/Framtidens energi

    Author : Mehdi Farahmand Ghaffarpour; Henrik Ros; [2018]
    Keywords : CHP; Operation strategies; Energy Storage; Thermochemical Heat Storage; THS; Techno Economic; Optimization; District Heating; Merit order effect;

    Abstract : This thesis investigates the feasibility and benefits of integrating Thermochemical heat Storage (THS) into a CHP (Combined Heat and Power) plant. A case study is done for the CHP-plant in Sala, Sweden, with a maximum heat output of 20.9 MW and maximum electricity output of 9.6 MW. READ MORE