2022
Life-cycle assessment of flue gas CO2 fixation from coal-fired power plant and coal chemical plant by microalgae
Ye Q, Shen Y, Zhang Q, Wu X, Guo W. Life-cycle assessment of flue gas CO2 fixation from coal-fired power plant and coal chemical plant by microalgae. The Science Of The Total Environment 2022, 848: 157728. PMID: 35917957, DOI: 10.1016/j.scitotenv.2022.157728.Peer-Reviewed Original ResearchConceptsFlue gas COCoal-fired power plantsCoal chemical plantLife cycle assessmentGas COPower plantsMicroalgae growth rateEnergy conversion characteristicsChemical plantsTotal energy consumptionAeration efficiencyConversion characteristicsEnergy conversionEnergy consumptionAeration rateGas emissionsMJ/Environmental impactsWhole processSensitive parametersEmissionCOTechnologyMicroalgaeGrowth rate
2020
Developing staggered woven mesh aerator with three variable-micropore layers in recycling water pipeline to enhance CO2 conversion for improving Arthrospira growth
Cheng J, Liu S, Guo W, Song Y, Kumar S, Kubar AA, Su Y, Li Y. Developing staggered woven mesh aerator with three variable-micropore layers in recycling water pipeline to enhance CO2 conversion for improving Arthrospira growth. The Science Of The Total Environment 2020, 760: 143941. PMID: 33341634, DOI: 10.1016/j.scitotenv.2020.143941.Peer-Reviewed Original ResearchConceptsWater pipelinesArthrospira growthHigh-speed cameraLarge-scale raceway pondsCarbonization efficiencyInput COConversion efficiencySmall bubblesAeratorCO2 conversionUniform microporesRaceway pondsBubble picturesImage processing softwareUtilization efficiencyOptimized structureProcessing softwareEfficiencyLayerCOPipelineBiomass measurementsMicroporesShearBubblesOrange light spectra filtered through transparent colored polyvinyl chloride sheet enhanced pigment content and growth of Arthrospira cells
Kumar S, Cheng J, Ali Kubar A, Guo W, Song Y, Liu S, Chen S, Tian J. Orange light spectra filtered through transparent colored polyvinyl chloride sheet enhanced pigment content and growth of Arthrospira cells. Bioresource Technology 2020, 319: 124179. PMID: 33038649, DOI: 10.1016/j.biortech.2020.124179.Peer-Reviewed Original ResearchDevelopment of a single helical baffle to increase CO2 gas and microalgal solution mixing and Chlorella PY-ZU1 biomass yield
Ali Kubar A, Cheng J, Guo W, Kumar S, Song Y. Development of a single helical baffle to increase CO2 gas and microalgal solution mixing and Chlorella PY-ZU1 biomass yield. Bioresource Technology 2020, 307: 123253. PMID: 32244074, DOI: 10.1016/j.biortech.2020.123253.Peer-Reviewed Original ResearchImproving light distribution and light/dark cycle of 900 L tangential spiral−flow column photobioreactors to promote CO2 fixation with Arthrospira sp. cells
Ye Q, Cheng J, Liu S, Qiu Y, Zhang Z, Guo W, An Y. Improving light distribution and light/dark cycle of 900 L tangential spiral−flow column photobioreactors to promote CO2 fixation with Arthrospira sp. cells. The Science Of The Total Environment 2020, 720: 137611. PMID: 32325586, DOI: 10.1016/j.scitotenv.2020.137611.Peer-Reviewed Original ResearchA novel porous nickel-foam filled CO2 absorptive photobioreactor system to promote CO2 conversion by microalgal biomass
Guo W, Cheng J, Liu S, Feng L, Su Y, Li Y. A novel porous nickel-foam filled CO2 absorptive photobioreactor system to promote CO2 conversion by microalgal biomass. The Science Of The Total Environment 2020, 713: 136593. PMID: 31955094, DOI: 10.1016/j.scitotenv.2020.136593.Peer-Reviewed Original ResearchConceptsConversion efficiencyPore diameterAbsorption reactorPhotobioreactor systemLow conversion efficiencyMicroalgal biomassGas outflow rateVolume fractionShort residence timeNumerical simulationsCO2 conversionRaceway pondsBiomass growth rateReactorGasResidence timeEfficiencyOutflow rateReaction rateCODiameterMicroalgal cellsRelative height
2019
Conversion of NaHCO3 to Na2CO3 with a growth of Arthrospira platensis cells in 660 m2 raceway ponds with a CO2 bicarbonation absorber
Guo W, Cheng J, Ali KA, Kumar S, Guo C. Conversion of NaHCO3 to Na2CO3 with a growth of Arthrospira platensis cells in 660 m2 raceway ponds with a CO2 bicarbonation absorber. Microbial Biotechnology 2019, 13: 470-478. PMID: 31646765, PMCID: PMC7017820, DOI: 10.1111/1751-7915.13497.Peer-Reviewed Original ResearchThree-dimensional numerical simulation of light penetration in an optimized flow field composed of microalgae cells, carbon dioxide bubbles and culture medium
Guo W, Cheng J, Song Y, Liu S, Ali KA, Kumar S. Three-dimensional numerical simulation of light penetration in an optimized flow field composed of microalgae cells, carbon dioxide bubbles and culture medium. Bioresource Technology 2019, 292: 121979. PMID: 31445241, DOI: 10.1016/j.biortech.2019.121979.Peer-Reviewed Original ResearchConceptsOptimized flow fieldFlow fieldNumerical simulationsThree-dimensional numerical simulationsComputational fluid dynamicsBubble volume fractionMicroalgae cellsCarbon dioxide bubblesBubble diameterConic bafflesFluid dynamicsSolution depthVolume fractionRaceway pondsMicroalgae cell concentrationIncident irradiationBiomass growth rateMicroalgae growthBubblesLight penetrationSimulationsPenetrationBafflesA novel jet-aerated tangential swirling-flow plate photobioreactor generates microbubbles that enhance mass transfer and improve microalgal growth
Cheng J, Lai X, Ye Q, Guo W, Xu J, Ren W, Zhou J. A novel jet-aerated tangential swirling-flow plate photobioreactor generates microbubbles that enhance mass transfer and improve microalgal growth. Bioresource Technology 2019, 288: 121531. PMID: 31150969, DOI: 10.1016/j.biortech.2019.121531.Peer-Reviewed Original ResearchSelf-rotary propellers with clockwise/counterclockwise blades create spiral flow fields to improve mass transfer and promote microalgae growth
Kumar S, Cheng J, Guo W, Ali KA, Song Y. Self-rotary propellers with clockwise/counterclockwise blades create spiral flow fields to improve mass transfer and promote microalgae growth. Bioresource Technology 2019, 286: 121384. PMID: 31048263, DOI: 10.1016/j.biortech.2019.121384.Peer-Reviewed Original ResearchConceptsSpiral flow fieldFlow fieldGas-liquid mixingRaceway pondsMass transfer coefficientWall shear stressTransfer coefficientPropeller diameterOpen raceway pondsMass transferSpiral flowPropellerShear stressRotational flowBladesExternal powerA. platensis biomassMicroalgae growthFlowMicroalgal growthHelix pitchDiameterMixingPitchField
2018
Developing microporous fibrous-diaphragm aerator to decrease bubble generation diameter for improving microalgal growth with CO2 fixation in a raceway pond
Cheng J, Song Y, Guo W, Miao Y, Chen S, Zhou J. Developing microporous fibrous-diaphragm aerator to decrease bubble generation diameter for improving microalgal growth with CO2 fixation in a raceway pond. Bioresource Technology 2018, 276: 28-34. PMID: 30605836, DOI: 10.1016/j.biortech.2018.12.090.Peer-Reviewed Original ResearchReduced generation time and size of carbon dioxide bubbles in a volute aerator for improving Spirulina sp. growth
Cheng J, Miao Y, Guo W, Song Y, Tian J, Zhou J. Reduced generation time and size of carbon dioxide bubbles in a volute aerator for improving Spirulina sp. growth. Bioresource Technology 2018, 270: 352-358. PMID: 30243242, DOI: 10.1016/j.biortech.2018.09.067.Peer-Reviewed Original ResearchConceptsBubble generation timeGas inlet velocityHigh-purity COHigh-speed cameraMass transfer coefficientCarbon dioxide bubblesInlet velocityTransfer coefficientBubble diameterLevel set methodGas flowMass transferAeratorBubble evolutionShear forceCulture microalgaeSpirulina spDiameterCOBubblesVelocityFlowMicroalgaeEnhancing vorticity magnitude of turbulent flow to promote photochemical efficiency and trichome helix pitch of Arthrospira platensis in a raceway pond with conic baffles
Cheng J, Guo W, Song Y, Kumar S, Ameer Ali K, Zhou J. Enhancing vorticity magnitude of turbulent flow to promote photochemical efficiency and trichome helix pitch of Arthrospira platensis in a raceway pond with conic baffles. Bioresource Technology 2018, 269: 1-8. PMID: 30144753, DOI: 10.1016/j.biortech.2018.08.058.Peer-Reviewed Original ResearchConceptsConic bafflesVorticity magnitudeTurbulent flow fieldTurbulent kinetic energyComputational fluid dynamicsRaceway pondsTurbulent flowFlow fieldDoppler velocimeterFluid dynamicsVortex mechanismBiomass productivityKinetic energyHigh biomass productivityHelix pitchBafflesEnhanced biomass productivityArthrospira platensisPitchVelocimeterEfficiencyMicroscopeNumerical simulation on promoting light/dark cycle frequency to improve microalgae growth in photobioreactor with serial lantern-shaped draft tube
Ye Q, Cheng J, Guo W, Xu J, Li H, Zhou J. Numerical simulation on promoting light/dark cycle frequency to improve microalgae growth in photobioreactor with serial lantern-shaped draft tube. Bioresource Technology 2018, 266: 89-96. PMID: 29957295, DOI: 10.1016/j.biortech.2018.06.055.Peer-Reviewed Original ResearchConceptsLight/dark cycle frequencyDark cycle frequencyTurbulent kinetic energyDraft tubeAverage turbulent kinetic energyComputational fluid dynamicsFlashing-light effectsKinetic energyLight time ratioMicroalgal biomass yieldCycle frequencyFlow regionFluid dynamicsAxial velocityNumerical simulationsMicroalgal solutionColumn photobioreactorMicroalgae growthVelocityAverage radial velocityRadial velocityPhotobioreactorSixfold improvementTubeEnergyPromoting helix pitch and trichome length to improve biomass harvesting efficiency and carbon dioxide fixation rate by Spirulina sp. in 660 m2 raceway ponds under purified carbon dioxide from a coal chemical flue gas
Cheng J, Guo W, Ameer Ali K, Ye Q, Jin G, Qiao Z. Promoting helix pitch and trichome length to improve biomass harvesting efficiency and carbon dioxide fixation rate by Spirulina sp. in 660 m2 raceway ponds under purified carbon dioxide from a coal chemical flue gas. Bioresource Technology 2018, 261: 76-85. PMID: 29654997, DOI: 10.1016/j.biortech.2018.04.017.Peer-Reviewed Original ResearchSerial lantern-shaped draft tube enhanced flashing light effect for improving CO2 fixation with microalgae in a gas-lift circumflux column photobioreactor
Ye Q, Cheng J, Guo W, Xu J, Li K, Zhou J. Serial lantern-shaped draft tube enhanced flashing light effect for improving CO2 fixation with microalgae in a gas-lift circumflux column photobioreactor. Bioresource Technology 2018, 255: 156-162. PMID: 29414161, DOI: 10.1016/j.biortech.2018.01.127.Peer-Reviewed Original Research
2017
Alternatively permutated conic baffles generate vortex flow field to improve microalgal productivity in a raceway pond
Cheng J, Guo W, Cai C, Ye Q, Zhou J. Alternatively permutated conic baffles generate vortex flow field to improve microalgal productivity in a raceway pond. Bioresource Technology 2017, 249: 212-218. PMID: 29045924, DOI: 10.1016/j.biortech.2017.10.031.Peer-Reviewed Original ResearchConceptsConic bafflesVorticity magnitudeRaceway pondsVortex flowBubble generation timeBubble residence timeVortex flow fieldMass transfer coefficientTransfer coefficientFlow fieldClockwise vortexMass transferVertical cross sectionBafflesHorizontal cross sectionPerpendicular velocityPure COResidence timeMicroalgal productivityFlowRelative spacingVelocityBiomass productivityMain streamCross sections