Siloxanes are a group of Si-based impurities, common in biogas. Although normally present relatively small amounts, their presence could be highly problematic, as the generated Si precursor to abrasion and wear downstream components. In this work, siloxane effect biogas chemical looping combustion (CLC) was evaluated. CLC an efficient way achieving CO2 negative emissions. Two oxygen carriers (C...

The Power Sector is undergoing a rapid technological change with respect to implementation of low carbon technologies. IEA Energy Outlook 2017 shows that the investments in Renewables for first time are equal those on fossil sources. It likely conventional gas turbines and internal combustion engines will need be integrated systems employing biofuels and/or CCUS (Carbon Capture Usage Storage). ...

Fossil fuels are still widely used for power generation. Nevertheless, it is possible to attain a shortand medium-term substantial reduction of greenhouse gas emissions to the atmosphere through a sequestration of the CO2 produced in fuels’ oxidation. The chemical-looping combustion (CLC) technique is based on a chemical intermediate agent, which gets oxidized in an air reactor and is then cond...

One of the best low-cost approaches for capturing carbon dioxide from combustion solid fuels is chemical looping (CLC) technology, where processes fuel oxidation and extraction oxygen air are split in two separate reactors. In order to model petroleum coke (petcoke) conversion a CLC method, detailed knowledge about reactions pet-coke with O2, CO2, H2O at temperatures between 750 1100 °C require...

Two oxygen carriers were tested with respect to chemical looping combustion (CLC) and gasification (CLG). Ilmenite, a natural ore composed mainly of iron–titanium oxide, LD Slag, an iron-based industrial waste, investigated at 850 900 °C in continuous operation 0.3 kW chemical-looping reactor system using synthetic biomass volatiles as fuel. CLC CLG conditions simulated the fuel by changing flo...