This study analyzes the two-step process of biomass pyrolysis and in-line steam reforming for production H2. In order to evaluate effect volatile composition on commercial Ni/Al2O3 catalyst performance stability, step was conducted at different temperatures (500–800 °C). The analysis deactivated catalysts has also allowed identifying main bio-oil compounds responsible decay (coke precursors). P...

The direct (with air) gasification process of biomass in bubbling fluidized bed reactor was simulated using Aspen Plus®. divided three parts: the pyrolysis zone, combustion zone and reduction zone. simulation supported by an external MS-Excel® subroutine to define yield composition main components, namely, char, gas tar. Whereas processes were a kinetic model. These models calibrated thereafter...

Poultry waste is rich in organic matter, which allows its treatment by the process of anaerobic digestion (AD) to reinforce economic and environmental green strategies. The aim this study assess technical feasibility poultry AD semi-continuous mode intensify methane production co-digestion with physico-chemical sludge, i.e., product primary wastewater after slaughtering process. First, dropping...

Based on a scanning near-field optical microscope (SNOM) we present measurements on the optical interaction of a single molecule and a single gold nanoparticle. The phenomena of field enhancement, emission quenching and fluorescence enhancement are studied with outstanding control over all key parameters. We have attached a single gold nanoparticle to the extremity of a pulled glass fiber tip a...

BACKGROUND Persistently high sulphur dioxide (SO2) emissions from platinum group metal (PGM) smelting pose a major threat to communities located around smelters. This paper examined SO2 emission trends, emission regulations and residents' perceived health risks from exposures to such emissions at Selous Metallurgical Complex (SMC) PGM smelting facility in Zimbabwe. METHODS SO2 data from roof ...

Currently there are still many power plants using fossil fuels, including oil, gas and coal to produce electricity. The problem recently received by developing countries, Indonesia, is environmental degradation due CO, SO2 NOx emissions. Co-burning of biomass with in most countries one the economical technologies available today for significant pollutant reduction. This study tested combined co...

Green waste and wood gasification have been studied through a non-catalytic process. Experiments are conducted at pilot-scale developed RAPSODEE Centre to validate the feasibility of producing high-quality nitrogen-free syngas. Biomass is first pyrolyzed 800 °C in rotary kiln. Then, volatile matter cracked reformed tubular reactor. Effects temperature gas residence time reactor on process perfo...

This work focuses on the energy and economic evaluation of a power generation system composed downdraft gasifier gas microturbine. The gasification process was studied using wood pellets as fuel, while influence two agents (air oxygen-enriched air) parameters, such low heating value (LHV), composition, yield syngas, were analyzed. syngas produced from air in had an LHV higher than 8 MJ/Nm3, bei...

Polyacid-functionalized inorganic mesoporous materials have attracted considerable interest as catalysts, permselective molecular sieves, or drug carriers. Despite the great interest, their synthesis into ordered mesostructures incorporating polyacids densely and homogeneously distributed in mesopores is a challenge. Moreover, properties conductors for energy applications remain completely unex...