In this study, we analyzed the operational characteristics of a 1.2-MW rice husk gasification and power generation plant located in Changxing, Zhejiang province, China. The influences of gasification temperature, equivalence ratio (ER), feeding rate and rice husk water content on the gasification characteristics in a fluidized bed gasifier were investigated. The axial temperature profile in the...

There is a large range of time and length scales of turbulent fluctuations in an entrained flow coal gasifier. To figure out the turbulent effects on coal gasification processes and the controlling mechanisms of different regions in an entrained flow coal gasifier, the characteristic time and length scales for all major processes are estimated.On the basis of the comparisonbetween the length/ti...

Converting rice husk into energy is a promising method of generating renewable and reducing greenhouse gas emissions. In this research hush considered as biomass fuel. The characteristics gasification were investigated at an Equivalence Ratio (ER) 0.25–0.38 gasifier temperature 750-870°C in 20 tons per day (TPD) using steam explosion process fluidized bed system. Different operation conditions,...

In dual fluidized bed (DFB) gasification, the interaction of material with fuel ash leads to development a catalytic activity toward tar-abating reactions. However, formation layers may also be detrimental process, especially in terms uncontrolled transport oxygen from combustor gasifier. A few previous studies investigating materials have reported transport, although latter was not focus these...

Untapped pine needles with high potential for energy generation in the hilly area are not only a waste of resource but also increase the chance of environmental hazards as forest fires and GHG emission. This study is conducted to propose a new hybrid system (PV/Wind/Biomass) using abundant pine needle resource as a replacement of existing roof-mounted PV/wind hybrid system and analyse the feasi...

The paper proposes a critical assessment of municipal solid waste gasification today, starting from basic aspects of the process (process types and steps, operating and performance parameters) and arriving to a comparative analysis of the reactors (fixed bed, fluidized bed, entrained bed, vertical shaft, moving grate furnace, rotary kiln, plasma reactor) as well as of the possible plant configu...

Although it is able to exploit the full power of optimal state variable feedback within a non-minimum state-space (NMSS) setting, the proportional–integral-plus (PIP) controller is simple to implement and provides a logical extension of conventional proportional–integral and proportional–integral–derivative (PI/PID) controllers, with additional dynamic feedback and input compensators introduced...