A comprehensive review on modeling of pneumatic and flash drying

Banooni, Salem; Hajidavalloo, Ebrahim; Dorfeshan, Masoud

doi:10.1080/07373937.2017.1298123

Cited by 18 publications

(4 citation statements)

References 90 publications

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“…The thermophysical properties of the product, as well as the heat and mass transport parameters of the mathematical model described in Section 2.2 , were estimated based on a previous work [ 35 ]. For the simulation of the FFD experiments, a calculation program was used with a proprietary software developed in Python [ 20 ]. The program was fed with the data obtained in the FFD experiments: the profiles of product temperature, heating plate temperature, pressure, and process duration.…”

Section: Resultsmentioning

confidence: 99%

“…During slow freezing, the process of gradually dehydrating the cell as ice slowly forms outside the cell leads to extensive cell damage, while rapid freezing can avoid the effects of solute and excessive cell shrinkage [ 17 ]. Considering that freezing is a critical stage to maintain the quality of freeze-dried products, mathematical models based on energy balance have been proposed to predict the freezing rate to improve the process [ 18 , 19 , 20 ].…”

Section: Introductionmentioning

confidence: 99%

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Examining the Effect of Freezing Temperatures on the Survival Rate of Micro-Encapsulated Probiotic Lactobacillus acidophilus LA5 Using the Flash Freeze-Drying (FFD) Strategy

Acosta-Piantini,

Villarán,

Martínez

et al. 2024

Microorganisms

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This work proposes a novel drying method suitable for probiotic bacteria, called flash freeze-drying (FFD), which consists of a cyclic variation in pressure (up-down) in a very short time and is applied during primary drying. The effects of three FFD temperatures (−25 °C, −15 °C, and −3 °C) on the bacterial survival and water activity of Lactobacillus acidophilus LA5 (LA), previously microencapsulated with calcium alginate and chitosan, were evaluated. The total process time was 900 min, which is 68.75% less than the usual freeze-drying (FD) time of 2880 min. After FFD, LA treated at −25 °C reached a cell viability of 89.94%, which is 2.74% higher than that obtained by FD, as well as a water activity of 0.0522, which is 55% significantly lower than that observed using FD. Likewise, this freezing temperature showed 64.72% cell viability at the end of storage (28 days/20 °C/34% relative humidity). With the experimental data, a useful mathematical model was developed to obtain the optimal FFD operating parameters to achieve the target water content in the final drying.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Examining the Effect of Freezing Temperatures on the Survival Rate of Micro-Encapsulated Probiotic Lactobacillus acidophilus LA5 Using the Flash Freeze-Drying (FFD) Strategy

Acosta-Piantini,

Villarán,

Martínez

et al. 2024

Microorganisms

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“…Flash dryer schematic diagram rate approximately 250 until 1250 kg/m 2 h [17]. Moreover, this equipment needs a little space than other drying apparatus saving more area in the production yard [18]. Flash dryer has been equipped by blower to transport hot air from heater to drying vessel or usually called as flash duct (Figure 4).…”

Section: Resultsmentioning

confidence: 99%

Optimization of Neutralize Crude Gypsum (NCG) Quality through Flash Dryer Utilization at Plant IIIA PT. Petrokimia Gresik

Yunarwan,

Larissa,

Taufiqi

et al. 2023

ijeise

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Neutralized Crude Gypsum (NCG) is produced as by-product from phosphoric acid plant at Plant IIIA PT. Petrokimia Gresik. The aims of this study are finding main cause and solution from Neutralized Crude Gypsum (NCG) quality reduction at PT. Petrokimia Gresik Plant IIIA. This research is done by qualitative analysis in order to collect the data of gypsum quality every month. Gypsum characteristics is observed by some instrument analysis such as spectrophotometry UV-Vis, atomic absorption spectrometry (AAS), and gravimetry technique. NCG was taken at different point on gypsum disposal land and different times to analyze its quality change. NCG sample shows decreased quality having higher moisture content at September that does not comply the SNI 715:2016 about gypsum minimum quality. Flash dryer is designed in this study to reduce the water concentration inside the surface of gypsum particle. Flash dryer design can lower the H2O content based on material balance analysis at finishing sector Plant IIIA unit.

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“…During the last two years (2018-2019), this journal has published 14 review papers covering a wide range of themes and applications in a number of industrial sectors, ranging from agricultural products, [1,2] food, [3] to pharmaceuticals, [4,5] and microorganisms [6] . Both scientific approaches [5,7,8] and industrial applications [9] are covered to meet the needs of industry as well as academia.…”

Section: Role Of Critical Reviews In Encouraging Appropriate Randdmentioning

confidence: 99%

Role of critical reviews in encouraging appropriate R&D

2019

Drying Technology

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A comprehensive review on modeling of pneumatic and flash drying

Cited by 18 publications

References 90 publications

Examining the Effect of Freezing Temperatures on the Survival Rate of Micro-Encapsulated Probiotic Lactobacillus acidophilus LA5 Using the Flash Freeze-Drying (FFD) Strategy

Examining the Effect of Freezing Temperatures on the Survival Rate of Micro-Encapsulated Probiotic Lactobacillus acidophilus LA5 Using the Flash Freeze-Drying (FFD) Strategy

Optimization of Neutralize Crude Gypsum (NCG) Quality through Flash Dryer Utilization at Plant IIIA PT. Petrokimia Gresik

Role of critical reviews in encouraging appropriate R&D

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