Publications by authors named "Ogugua Paul Chinonso"

Article Synopsis
  • * The findings indicate that co-pyrolysis significantly reduces environmental burdens, showing an average improvement of 43% across various categories compared to using only sewage sludge.
  • * An optimal LRC to SS ratio of 3 to 7 is proposed for effective environmental performance and energy recovery, making co-pyrolysis a sustainable solution for sewage sludge disposal while aiding in carbon emissions reduction and resource recycling.
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This article provides a comprehensive exploration of the imperative necessity for coupling the utilization of low-rank coal, sewage sludge, and straw. It studies the challenges and limitations of individual utilization methods, addressing the unique hurdles associated with feedstocks. It focused on achieving integrated and sustainable resource management, emphasizing efficient resource utilization, waste minimization, and environmental impact reduction.

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Creating renewable energy from lignocellulosic biomass is essential for a sustainable future. Due to their abundance and the possibility of producing cheap and clean energy, non-lignocellulosic wastes like sewage sludge from industrial and municipal wastes have drawn attention as a feasible alternative to fossil fuels. These abundant, cost-effective resources may help minimize the effects of climate change since they produce less pollution.

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This study investigates the potential of using sewage sludge and low-rank coal for the sustainable production of sulfuric acid, which can then be used for the hydrolysis of straw through ASPEN PLUS simulation. Pyrolysis and gasification processes were used to convert sewage sludge and low-rank coal into syngas, which were then purified and oxidized to produce HSO and NH gas. The pyro-gasification enhanced syngas yield.

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Presently, selective catalytic reduction (SCR), with either carbon monoxide, urea, hydrocarbons, hydrogen, or ammonia as a reductant, has become a nitrogen oxide (NO) removal technology (NO conversion) of many catalytic companies and diesel engine exhaust gas. Although, there exists a serious threat of low-temperature limitations. So far, certain scientists have shown that barium-based (Ba-based) catalysts have the potential to be highly effective at SCR of NO at low temperatures when ammonia is used as the reducing agent.

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Article Synopsis
  • Hydrogen fuel is seen as a clean and sustainable energy source for the future!
  • Researchers studied a method for making low-carbon hydrogen using a process called steam reforming of methane, heated by concentrated solar energy!
  • They found that changing temperature, pressure, and the mix of steam and methane affects how much hydrogen can be produced and how efficiently the process works!
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