Thermodynamics and kinetics parameters of co-combustion between sewage sludge and water hyacinth in CO2/O2 atmosphere as biomass to solid biofuel

Huang, Lusheng; Liu, Jingyong; He, Yao; Sun, Shuiyu; Chen, Jiacong; Sun, Jian; Chang, Ken-Lin; Kuo, Jia‐Hong; Ning, Xun‐an

doi:10.1016/j.biortech.2016.06.133

Cited by 156 publications

(34 citation statements)

References 32 publications

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“…s -1 , were obtained for sewage sludge. These values of the kinetic parameters for sewage sludge are in accordance with the measurements of different authors [58,[67][68][69][70]. In a previous work, [23] slightly lower values were obtained for the activation energy and pre-exponential factor of sewage sludge.…”

Section: Determination Of the Kinetic Parameters Of The Pyrolysissupporting

confidence: 91%

Pyrolysis of biofuels of the future: Sewage sludge and microalgae – Thermogravimetric analysis and modelling of the pyrolysis under different temperature conditions

Soria-Verdugo

Goos

Morato-Godino

et al. 2017

Energy Conversion and Management

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Section: Determination Of the Kinetic Parameters Of The Pyrolysissupporting

confidence: 91%

Pyrolysis of biofuels of the future: Sewage sludge and microalgae – Thermogravimetric analysis and modelling of the pyrolysis under different temperature conditions

Soria-Verdugo

Goos

Morato-Godino

et al. 2017

Energy Conversion and Management

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“…More researches about biomass were conducted by thermogravimetry tests to study the combustion characteristics, pollutant emissions, kinetics, and co‐firing characteristics with other substances (coal or sewage sludge) in different atmospheres (O 2 /CO 2 or O 2 /N 2 ) . Some studies are about the burning of micron‐sized biomass particles.…”

Section: Introductionmentioning

confidence: 99%

An experimental study of single unconventional biomass pellets: Ignition characteristics, combustion processes, and artificial neural network modeling

Lin

Wang

et al. 2020

Int J Energy Res

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Summary This study applied the artificial neural networks (ANNs) model to the thermal data obtained by suspension ignition and combustion experiment of single peanut shells (PS, millimeter scale) pellet under O2/CO2 atmosphere. ANN11 was the best ANN model for predicting the relevant parameters of PS combustion. The coincidence between ANN prediction data and experimental data was over 99%. Two modes of biomass pellet ignition were observed: homogeneous ignition of volatiles and hetero‐homogeneous ignition of volatiles and char simultaneously. The ignition mode was transformed from homogeneous ignition to hetero‐homogeneous ignition when oxygen concentration was 50%. In addition, it was observed that ignition at the bottom emerged first, and then the upper end was ignited, finally generating an envelope flame. This phenomenon occurred when gas flow temperature exceeded 873 K or the oxygen concentration was greater than 50%. The reduction of ignition delay time and internal ignition temperature from 21% to 50% oxygen concentration was more intense than that of 50% to 100% oxygen concentration. Increasing oxygen concentration or temperature resulted in a shorter, brighter, and more stable volatile flame of biomass pellets, which reduced volatile burnout time. Nevertheless, the impact of gas flow rate on biomass combustion was intricate and irregular.

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“…Global warming associated with carbon dioxide emission from the usage of traditional fossil fuels is a great concern in the present century . Therefore, the demand of sustainable and carbon‐neutral energy is increasing tremendously, since it is less harmful to the environment .…”

Section: Introductionmentioning

confidence: 99%

Microbial lipid extraction from Lipomyces starkeyi using irreversible electroporation

Karim

Yousuf

Islam

et al. 2018

Biotechnology Progress

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The aim of the study was to investigate the feasibility of using irreversible electroporation (EP) as a microbial cell disruption technique to extract intracellular lipid within short time and in an eco-friendly manner. An EP circuit was designed and fabricated to obtain 4 kV with frequency of 100 Hz of square waves. The yeast cells of Lipomyces starkeyi (L. starkeyi) were treated by EP for 2-10 min where the distance between electrodes was maintained at 2, 4, and 6 cm. Colony forming units (CFU) were counted to observe the cell viability under the high voltage electric field. The forces of the pulsing electric field caused significant damage to the cell wall of L. starkeyi and the disruption of microbial cells was visualized by field emission scanning electron microscopic (FESEM) image. After breaking the cell wall, lipid was extracted and measured to assess the efficiency of EP over other techniques. The extent of cell inactivation was up to 95% when the electrodes were placed at the distance of 2 cm, which provided high treatment intensity (36.7 kWh m ). At this condition, maximum lipid (63 mg g ) was extracted when the biomass was treated for 10 min. During the comparison, EP could extract 31.88% lipid while the amount was 11.89% for ultrasonic and 16.8% for Fenton's reagent. The results recommend that the EP is a promising technique for lowering the time and solvent usage for lipid extraction from microbial biomass. © 2018 American Institute of Chemical Engineers Biotechnol. Prog., 34:838-845, 2018.

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Thermodynamics and kinetics parameters of co-combustion between sewage sludge and water hyacinth in CO2/O2 atmosphere as biomass to solid biofuel

Cited by 156 publications

References 32 publications

Pyrolysis of biofuels of the future: Sewage sludge and microalgae – Thermogravimetric analysis and modelling of the pyrolysis under different temperature conditions

Pyrolysis of biofuels of the future: Sewage sludge and microalgae – Thermogravimetric analysis and modelling of the pyrolysis under different temperature conditions

An experimental study of single unconventional biomass pellets: Ignition characteristics, combustion processes, and artificial neural network modeling

Microbial lipid extraction from Lipomyces starkeyi using irreversible electroporation

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