Optimization of biohydrogen production from microalgae by response surface methodology (RSM)

Nazarpour, Mehrshad; Taghizadeh-Alisaraei, Ahmad; Asghari, Ali; Abbaszadeh-Mayvan, Ahmad; Tatari, Aliasghar

doi:10.1016/j.energy.2022.124059

Cited by 46 publications

(7 citation statements)

References 42 publications

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“…The predicted values of response Y can be determined by the above Equation (), in which, the positive coefficients represent synergistic effects on the response Y , whereas the negative ones represent an antagonistic effect 21,22 . It is obviously noticed from Equation () that constant 29.52 is isolated from any factors and interaction between factors.…”

Section: Resultsmentioning

confidence: 99%

“…The predicted values of response Y can be determined by the above Equation ( 1), in which, the positive coefficients represent synergistic effects on the response Y, whereas the negative ones represent an antagonistic effect. 21,22 It is obviously noticed from Equation (1) that constant 29.52 is isolated from any factors and interaction between factors. In addition, linear terms A, B, and C demonstrate positive influence on response Y, indicating an increase in LOI value as these parameters increase, in contrast, other second terms display negative influence on response Y. Regression equations can be established by using sequential model summary statistics and lack of fit test, which are applicable to fit experimental data.…”

Section: Characterizationmentioning

confidence: 99%

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Optimization of intumescent flame retardant system based on ammonium polyphosphate, double pentaerythritol, and zinc borate for thermoplastic polyurethane composite

Li,

Bai,

Hao

et al. 2024

J of Applied Polymer Sci

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The widespread industrial applications of thermoplastic polyurethane (TPU) are partially limited by its flammability. The design of high‐performance intumescent flame retardants (IFR) is of great significance for enhancing flame retardant (FR) performance of TPU. In this work, an IFR system consisting of ammonium polyphosphate (APP), double pentaerythritol (DPER), and zinc borate (ZB) is proposed. The optimized experimental parameters with 15 wt.% additive amount of FR, APP‐DPER weight ratio of 2.28:1 and 15.56 wt.% ZB content are regulated based on Box–Behnken design‐response surface methodology (BBD‐RSM) to obtain TPU/FR composite with superior limiting oxygen index value of 30.2%. Noticeably, the design efficiency of TPU/FR composite is significantly improved by utilizing BBD‐RSM. Results of vertical burning test show that the optimized TPU/FR composite passes UL 94 V‐0 rating and peak heat release rate is dramatically reduced from 1355.88 (neat TPU) to 201.01 KW/m2 through cone calorimeter test. In addition, scanning electron microscopy accompanied with Raman spectroscopy are conducted to characterize the morphology and composition of residual char for further exploring the FR mechanism of IFR system in TPU. The as‐prepared TPU/FR composite has provided new potential application in engineering fields.

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Section: Resultsmentioning

confidence: 99%

Section: Characterizationmentioning

confidence: 99%

Optimization of intumescent flame retardant system based on ammonium polyphosphate, double pentaerythritol, and zinc borate for thermoplastic polyurethane composite

Li,

Bai,

Hao

et al. 2024

J of Applied Polymer Sci

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show abstract

“… 34 Bioreactors were used to investigate the effect of light intensity on the continuous production of hydrogen, and different light intensities led to different hydrogen yields. 67 , 68 The response surface method optimizes several key factors of algal photobioreactor hydrogen production, and designs and builds pilot-scale reactors to produce biofuels. 69 …”

Section: Conventional Strategies and General Requirements For Biohydr...mentioning

confidence: 99%

Genetic engineering for biohydrogen production from microalgae

Zhang¹,

Xue²,

Wang³

et al. 2023

iScience

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“…Response surface methodology (RSM) is an improved experimental method that can investigate all parameters individually and their interactions, while running fewer number of experiments 11. RSM has been widely applied in the optimization of various biochemical processes like the production of bioactive compounds from ginger waste 12 and biohydrogen production from microalgae 13.…”

Section: Introductionmentioning

confidence: 99%

Optimization of the Reaction Parameters of Immobilized Escherichia coli for β‐Cyclodextrin Production

et al. 2023

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Cyclodextrin (CD) is an important substance for chemical, pharmaceutical, and food industries. Conventionally, free Escherichia coli (E. coli) cells expressing recombinant cyclodextrin glucanotransferase (CGTase) are used as the biocatalyst for CD production, but the process struggles with low CGTase excretion and CD yield. In this study, E. coli cells were immobilized on hollow‐fiber membranes for β‐CD production, and the process and reaction parameters were optimized via response surface methodology. The reusability of the immobilized cells was also evaluated. The parameter optimization significantly improved β‐CD yield and CGTase excretion, making the process more attractive for industrial applications. The immobilized cells also revealed to be reusable multiple times.

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Optimization of biohydrogen production from microalgae by response surface methodology (RSM)

Cited by 46 publications

References 42 publications

Optimization of intumescent flame retardant system based on ammonium polyphosphate, double pentaerythritol, and zinc borate for thermoplastic polyurethane composite

Optimization of intumescent flame retardant system based on ammonium polyphosphate, double pentaerythritol, and zinc borate for thermoplastic polyurethane composite

Genetic engineering for biohydrogen production from microalgae

Optimization of the Reaction Parameters of Immobilized Escherichia coli for β‐Cyclodextrin Production

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