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Research Progress in Sustainable Energy in ZJU

Kefa CEN, Mingjiang NI, Jun CHENG
2011 Journal of Power and Energy Systems  
This paper introduces main research progress in energy and environment field in Zhejiang University (ZJU), China.  ...  The representative achievements include: clean coal utilization, biomass energy, waste to energy, emission control, etc.  ...  simulations and advanced measurements in multiphase reaction system: optimization of design and operation in energy conversion systems based on computer aided test, direct numerical simulation on turbulent  ... 
doi:10.1299/jpes.5.112 fatcat:oexyyr3f5namhobtzf3fuvklle

Utilization of dust and ammonia from exhaust gases: new solutions for dryers with different types of fluidized bed

Аrtem Аrtyukhov, Nadiia Аrtyukhova
2018 Journal of Environmental Health Science and Engineering  
The article also presents the calculation algorithm of eco-friendly dryers with fluidized bed. Physical modeling was based on methods of similarity theory.  ...  Analysis of the research results allowed developing of new designs of equipment for dehydration in fluidized bed.  ...  Acknowledgements The authors thank researchers of department Processes and Equipment of Chemical and Petroleum Refinery Department, Sumy State University, for their valuable comments during the article  ... 
doi:10.1007/s40201-018-0307-5 pmid:30728991 pmcid:PMC6277334 fatcat:v4nxwvbtwnertousfkzswgiy7y

A model of a bubbling fluidized bed combustor oriented to char mass estimation

S. Bittanti, P. Bolzern, M.C. Campi, A. De Marco, G. Poncia, W. Prandoni
2000 IEEE Transactions on Control Systems Technology  
Furthermore, it is shown that this model can be successfully used to estimate the total carbon load based on an easily accessible plant variable, namely the bed temperature.  ...  Fluidized bed techniques are employed in coal combustion power plants, because they allow for the use of low-quality fuel and result in low pollutant emissions.  ...  Compared to a conventional power plant equipped with pollutant abatement systems (DENOX, DESOX), a fluidized bed combustor (FBC) has the advantages of simple operation and the capability of using low quality  ... 
doi:10.1109/87.826796 fatcat:i4sk7gf6v5azzn73gv2w4buou4

Energy Intensity Diagnostics Contributed to Solar Dryers Energy Challenges

Fateme Esmailie, Mohammad Aminy, Hossein Ghadamian
2015 Journal of Clean Energy Technologies  
Index Terms-Energy efficiency, fluidized bed, solar dryer, spouted bed.  ...  The experiment and calculation results depicted that, the fluidized bed solar dryer has higher drying rate than spouted bed dryer, even though, spouted bed dryer has less energy intensity consumption.  ...  Fortunately all the barriers mentioned above have practical solutions: 1) Output section of drying bed can be equipped with silica gel which can absorb the humidity of output air.  ... 
doi:10.7763/jocet.2015.v3.229 fatcat:77hs5hsu4rhwrjnwkgiv7vi5da

State of the art on gas–solid thermochemical energy storage systems and reactors for building applications

Aran Solé, Ingrid Martorell, Luisa F. Cabeza
2015 Renewable & Sustainable Energy Reviews  
Fixed bed reactors are the most used ones. Mainly, mass transfer is limiting to achieve the expected energy density.  ...  The geometry of the reactor and contact flow pattern between phases are key parameters for a better performance.  ...  Depending on the flow pattern, three main gas-solid technologies are available [34] : Fixed and fluidized bed are close linked since the base from a fluidized bed is a fixed bed, but with the increase  ... 
doi:10.1016/j.rser.2015.03.077 fatcat:3w5n7lyxfvabhd7inizd6ii3g4

Fluidized Beds for Concentrated Solar Thermal Technologies—A Review

Claudio Tregambi, Maurizio Troiano, Fabio Montagnaro, Roberto Solimene, Piero Salatino
2021 Frontiers in Energy Research  
Coupling fluidization with concentrated solar power is a stimulating cross-disciplinary field of investigation, with the related issues and opportunities to explore.  ...  The vast field of applications of solar-driven fluidized bed processes, from energy conversion with thermal energy storage, to solids looping for thermochemical energy storage, production of fuels, chemicals  ...  FUNDING The study has received financial support by the Ministry of Education, University and Research (MIUR)-Italy, in the frame of the project PON 2015-2020: "ARS01_00985 BIOFEEDSTOCK-Development of Integrated  ... 
doi:10.3389/fenrg.2021.618421 fatcat:xgez5w7ewncdva5awyuyrslp5y

Efficient Energy Conversion of Wastes and Fuels in Power Systems

Ashwani Kumar Gupta, Somrat Kerdsuwan
2014 KMUTNB International Journal of Applied Science and Technology  
methods that are now beginning to become available with significant fuel saving, compact size of the equipment and low pollution.  ...  In addition advanced technologies are developed or being developed for use with coals (and solid fuels) since its cost based on energy content is low as compared to gaseous fuels, such as natural gas.  ...  Pongprasert W. and Kerdsuwan [58] used a computer program that simulated the flow and control behavior of a characteristic Brayton cycle.  ... 
doi:10.14416/j.ijast.2014.02.001 fatcat:oe3u6c6ttfe7vfedeynzwzxrqe

Hazardous waste incineration in a rotary kiln: a review

Xuguang Jiang, Yanhui Li, Jianhua Yan
2019 Waste Disposal & Sustainable Energy  
, the impact of the factory treatment process on the workers' health, etc.  ...  Researchers often use computer simulations to predict and verify the incineration process through experiments and to provide reference opinions for commercial operations.  ...  control equipment (S5).  ... 
doi:10.1007/s42768-019-00001-3 fatcat:pyra3kfdlne75ewsjb64bbx3i4

Intensified carbon capture using adsorption: Heat transfer challenges and potential solutions

Jonathan R. McDonough, Richard Law, David A. Reay, Vladimir Zivkovic
2018 Thermal Science and Engineering Progress  
It also describes preliminary work on fluidization of the particles using additive-manufactured miniaturized fluid beds.  ...  This paper discusses the potential sources of CO2 that are being addressed, and how they will be integrated with the capture and desorption processes where fluidization will be used for the adsorption  ...  EP/N024540/1 Novel Adsorbent Applied to Integrated Energy-efficient Industrial CO2 Capture.  ... 
doi:10.1016/j.tsep.2018.07.012 fatcat:o4vunkembvfflchv3xltssizum

Improvement of operating conditions in waste incinerators using engineering tools

Won Yang, Hyung-sik Nam, Sangmin Choi
2007 Waste Management  
In this study, an engineering approach using computational tools along with field tests and observation is presented.  ...  point operation of the incinerators, which results in many problems in operation of the flue gas treatment system, low-oxygen in the combustion chamber, thermal damage of the incinerator wall, and so on  ...  However, the calculation should be based on accurate data that requires field tests and measurements.  ... 
doi:10.1016/j.wasman.2006.04.016 pmid:17258445 fatcat:ofdf7b36brb7veslax2iprqy6y

Remediation of Polluted River Water by Biological, Chemical, Ecological and Engineering Processes

Hossain Md Anawar, Rezaul Chowdhury
2020 Sustainability  
Ecological engineering-based techniques are preferable due to their high economic, environmental and ecological benefits, their ease of maintenance and the fact that they are free from secondary pollution  ...  Constructed wetlands perform well under low hydraulic and pollutant loads. Sequential constructed wetland floating bed systems can overcome this limitation.  ...  However, the unsaturated zone did not show any effect on nitrogen removal [45] . The contrary results were reported by the lab-based column and field studies of Wang et al.  ... 
doi:10.3390/su12177017 fatcat:zgcj5okh4zgqtnuey3tm6ypcjm

Process Intensification in Chemical Reaction Engineering

Stefan Haase, Pasi Tolvanen, Vincenzo Russo
2022 Processes  
readers the basic concepts, fixing the syllabus, as well as some relevant application examples of a discipline that is well-established and considered a hot topic in the chemical reaction engineering field  ...  pollution control [85] .  ...  A simulated moving bed needs a sophisticated control logic to control the switch between the feed and withdrawal positions.  ... 
doi:10.3390/pr10010099 fatcat:2mp4q7vfdfbrdngefz2y3fxvue

State-of-the-Art Review of Fluid Catalytic Cracking (FCC) Catalyst Regeneration Intensification Technologies

Adefarati Oloruntoba, Yongmin Zhang, Chang Samuel Hsu
2022 Energies  
To this end, mitigation approaches to damaging afterburn and high-temperature erosion problems with respect to process control and geometric adjustment in the bed, freeboard, cyclone separators and collection  ...  The knowledge of the role of baffles in enhancing excellent gas–solid interaction has been increasing, but skepticism due to its complex hydrodynamic effects on gas–solid flows fends off operators from  ...  [184] investigated the influence of different geometric parameters on a ring baffle in a circulating fast fluidized bed via cold flow experiment and two-fluid model (TFM) simulations.  ... 
doi:10.3390/en15062061 fatcat:qt555zqipja2fa4q4d5d7mrggq

Dynamic modeling for simulation and control of a circulating fluidized-bed combustor

James R. Muir, Clive Brereton, John R. Grace, C. Jim Lim
1997 AIChE Journal  
One important and growing use of circulating fluidized beds is as utility boilers.  ...  fluidized bed combustor.  ...  Wen and Chen (1982) recommend a = 4.0 rn-1 based on experimental data collected in a bubbling fluidized bed.  ... 
doi:10.1002/aic.690430503 fatcat:o5lw7xtq3vfflk3l5icpk3wlze

Pilot testing of CO2 capture from a coal-fired power plant—Part 2: Results from 1-MWe pilot tests

Sharon Sjostrom, Constance Senior
2020 Clean Energy  
A unique temperature-swing-absorption (TSA) process was developed that incorporated a three-stage fluidized-bed adsorber integrated with a single-stage fluidized-bed regenerator.  ...  Using a 1-MWe slipstream pilot plant, solid-sorbent-based post-combustion CO2 capture was tested at a coal-fired power plant.  ...  Acknowledgements This work was supported by the US Department of Energy, National Energy Technology Laboratory (DE-FE0004343) with additional support from ADA-ES, Inc., EPRI and Southern Company.  ... 
doi:10.1093/ce/zkz034 fatcat:7tybqy5sxnehjbvtvcijvaptlu
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