Essays about: "combustion ash"

Showing result 1 - 5 of 32 essays containing the words combustion ash.

  1. 1. Thermal degradation of PFAS in solid matter

    University essay from KTH/Kemi

    Author : Tuqa Al-Badri; [2024]
    Keywords : PFAS; PFOS; PFOA; thermal degradation; sewage sludge; PFAS; PFOS; PFOA; termisk nedbrytning; avloppsslam;

    Abstract : Per- och Polyfluorerade alkylsubstanser (PFAS) är syntetiskt framställda organiska föreningar som har använts i stor utsträckning i konsument- och industriprodukter. PFAS-substanser besitter attraktiva egenskaper såsom resistans mot väta, fett, fläckar och är dessutom värmetåliga. READ MORE

  3. 2. Evaluation of five hardwood species from Zambia to produce fuel pellets for cooking purposes : Study with a single pellet press including pellet production, post production testing and X-ray examinations

    University essay from Karlstads universitet/Avdelningen för energi-, miljö- och byggteknik

    Author : Annika Silvennoinen; [2023]
    Keywords : Pelletizing; Pellet Production; Wood Species; X-Ray examinations; Pelletisering; Pelletstillverkning; Träslag; Röntgenundersökningar;

    Abstract : 81% of the population in sub-Saharan Africa relies on charcoal and firewood to cover their energy needs for cooking. In Africa charcoal is usually produced by burning tree in a traditional kilns and then the food is cooked with a carbon-fired stoves indoors. READ MORE

  4. 3. Simulation of carbon- monoxide rich syngas through gasification and co-gasification of biomass.

    University essay from Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Author : Musasa Kayiba Tracy; [2022]
    Keywords : Gasification; biomass;

    Abstract : Syngas is an interesting energy source for metallurgical processes, as an energy carrier syngas is an efficient way of utilizing the energy in biomass. Utilizing syngas in fuming processes as a carbon source instead of coal was an approach to minimize carbon dioxide emissions produced in the fuming process. READ MORE

  5. 4. Phasing out peat from a co-fired 50 MWth circulating fluidized bed boiler : A theoretical sulfation potential study

    University essay from Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Author : Axel Bergstrand; [2022]
    Keywords : Peat; corrosion; fuel mixture; CFB; circulating fluidized bed; S; alkali chlorides; Sulfur; additives; combustion; fuel design; alkali related corrosion;

    Abstract : The chemical company Perstorp AB has a 50 MWth circulating fluidized bed to supply the production plant with process steam. The fuel mixture used shows a large variation with about 20 different fuel fractions that can be divided into the categories, residue wood chips, sludge, forest fuel, animal waste, industrial residues, and peat. READ MORE

  6. 5. Investigation of Cu and Zn interactions with ilmenite during waste incineration

    University essay from

    Author : Elin Borgman; [2020-06-08T12:03:31Z 2020-06-08T12:03:31Z 2020 2019]
    Keywords : FactSage; copper; zinc; major ash elements;

    Abstract : In 2018, approximately 2.01 billion tons of waste was generated in the world. By 2050, this number is expected to increase drastically to 3.40 billion tons of waste annually as lower income countries develop and the world population increases (Kaz, Yao, BhadaTata, & Van-Woerden, 2018). READ MORE