Effects of Drying Parameters on the Drying Kinetics of Fermented Ground Cassava Using a Rotary Dryer

Taiwo, Ademiluyi Falilat; Abowei, M. F. N.; Puyate, Y. T.; Achinewhu, S. C.

doi:10.2202/1556-3758.1623

Cited by 4 publications

(2 citation statements)

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“…It was shown that the inlet air temperature and velocity had the most significant effects on the drying rate of cassava. A model that predicted the drying rate as a function of the two significant parameters above was presented and the accuracy of the prediction model was verified by comparison with experimental results (Taiwo, Abowei, Puyate, & Achinewhu, 2010). Sai carried out many rotating drying experiments under different operating conditions, which indicated that increasing the temperature or flow rate of hot air at the inlet or the rotational speed of the rotary dryer increased the drying rate of the material and an increase in the mean residence time reduced the average final moisture content of the material (Sai, 2013).…”

Section: Introductionmentioning

confidence: 93%

Experimental study on drying characteristic of corncob in plate rotary heat exchanger

Huang

Ling

et al. 2019

J Food Process Engineering

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Agricultural processing residues, such as corncobs, can be used as good biomass pellet fuels. To thoroughly study the drying characteristics of corncobs in a rotary dryer, a plate rotary heat exchanger (PRHE) was applied to the drying of corncob particles in the present article. The PRHE had an inner diameter of 273 mm and a length of 1,000 mm. Twelve rectangular plates were designed as the heating plate. The influence of several parameters on the corncob drying characteristics was experimentally investigated. The results indicated that the drying rate increased with increasing corncob initial moisture content, increasing dryer heating power, and decreasing corncob particle diameter. Then, based on the experimental results, two exponential correlations were regressed by the least squares method. Both the correlations were valid and the three‐parameter model had a better fitting degree than the two‐parameter model. The trend in the drying rate of corncobs in PRHE clearly included a rising‐rate stage and a falling‐rate stage. The Taguchi approach was employed to study the impact degree of different factors on the maximum drying rate, which showed that initial moisture content had the largest impact degree, followed by heating power; furthermore, the effect of particle diameter was not significant. Practical applications Promoting the use of biomass energy is an effective means to respond to the climate change challenge. As one of the major agricultural processing residues in mainland China, corncob can be processed into biomass pellet fuels with easy storage, high energy density, and low pollutant emissions after crushing, drying and compression molding. For the sake of settling the uncontrollable limitations of traditional open air‐drying method for corncob, author developed a new type of plate rotary heat exchanger (PRHE). By investigating the drying characteristics of corncob in PRHE with various experimental conditions, research findings provide references for the development and large‐scale industrial application of plate rotary drying technology in the drying of agricultural processing residues in the future.

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Section: Introductionmentioning

confidence: 93%

Experimental study on drying characteristic of corncob in plate rotary heat exchanger

Huang

Ling

et al. 2019

J Food Process Engineering

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“…Compared to modern electronic relative humidity sensors such as capacitive relative humidity sensors or resistive relative humidity sensors, the psychrometer is one of the relative humidity measurement devices that can be used in a dirty environment, can withstand state changes of water, and can provide a large range of measurement values. The psychrometer is used in different measurement environment in many current applications [ 9 , 10 , 11 , 12 , 13 ].…”

Section: Introductionmentioning

confidence: 99%

An Inexpensive, Stable, and Accurate Relative Humidity Measurement Method for Challenging Environments

Zhang

Yang

2016

Sensors

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In this research, an improved psychrometer is developed to solve practical issues arising in the relative humidity measurement of challenging drying environments for meat manufacturing in agricultural and agri-food industries. The design in this research focused on the structure of the improved psychrometer, signal conversion, and calculation methods. The experimental results showed the effect of varying psychrometer structure on relative humidity measurement accuracy. An industrial application to dry-cured meat products demonstrated the effective performance of the improved psychrometer being used as a relative humidity measurement sensor in meat-drying rooms. In a drying environment for meat manufacturing, the achieved measurement accuracy for relative humidity using the improved psychrometer was ±0.6%. The system test results showed that the improved psychrometer can provide reliable and long-term stable relative humidity measurements with high accuracy in the drying system of meat products.

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A Comprehensive Review on the Drying Kinetics of Common Tubers

Vera¹,

Soriano²,

Dugos³

et al. 2021

j.asep

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Sun-drying has been conventionally used in the production of tuber-derived commodities such as cassava, potato, sweet potato, and yam. Recent developments in the drying process involves the use of different drying equipment to improve quality and profitability. The importance of drying parameters in the operation of drying equipment necessitates drying kinetic studies on common tubers. This article aims to review the drying kinetics studies conducted on common tubers. Particular interest is on the effect of the drying process parameters like temperature and velocity of heating air medium, the physico-chemical pretreatment method, and sample preparation on the drying rate and time. The different best fit drying kinetic models for specific tubers have also been extensively studied. The role of drying process parameters and best fit model equations on the design of the drying equipment has been emphasized.

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Effects of Drying Parameters on the Drying Kinetics of Fermented Ground Cassava Using a Rotary Dryer

Cited by 4 publications

References 0 publications

Experimental study on drying characteristic of corncob in plate rotary heat exchanger

Experimental study on drying characteristic of corncob in plate rotary heat exchanger

An Inexpensive, Stable, and Accurate Relative Humidity Measurement Method for Challenging Environments

A Comprehensive Review on the Drying Kinetics of Common Tubers

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