desorption) isotherms
Desorption isotherms of Lactuca sativa seeds
... Lactuca sativa seeds are highly sensitive to climate conditions; thus, they should be stored securely to maintain their qualitative and quantitative characteristics. Studies on hygroscopicity aim to decrease possible ...
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Moisture desorption isotherms of cucumber seeds: modeling and thermodynamic properties
... sorption isotherms are important in order to define dehydration limits of the product, estimate moisture content alterations under environment conditions and to acquire moisture content values for safe ...
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Determination of desorption isotherms, latent heat and isosteric heat of pequi diaspore Kelly A. de Sousa
... 2009). Desorption isotherms were determined through the indirect static method, in which water activity (a w ) was determined using the device Hygropalm Model Aw ...
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Estudo das Isotermas de Dessorção das Espumas da Polpa do Noni (Morinda Citrifolia L.) / A study of the Desorption Isotherms of Noni (Morinda Citrifolia L.) Foam Pulp
... moisture desorption isotherms, which are mathematical functions important for product maintenance, for analysis and control of numerous industrial processes such as storage and drying ...The ...
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Isotermas de dessorção e calor isostérico de aquênios de cajuzinho-do-cerrado
... the desorption isotherms of ‘cajuzinho-do- cerrado’ achenes (Anacardium humile ...the desorption isotherms were determined by the indirect static ...of desorption of ...
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J. Braz. Chem. Soc. vol.19 número3
... Specific surface area of MMT and MMT-Ag were measured by BET method. Nitrogen adsorption and desorption isotherms are demonstrated in Figure 4. Shapes of these curves indicate the presence of slit type ...
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Revista Brasileira de Engenharia Agrícola e Ambiental
... - Cavalcanti Mata The values of water activity, temperature and equilibrium moisture content were obtained through desorption isotherms of ‘sucupira-branca’ fruits using the model of best fit to the ...
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Repositório Institucional UFC: On the reasons for deactivation of titanate nanotubes with metals catalysts in the acetalization of glycerol with acetone
... Spent MTNT catalyst characterizations: (a) SEM-EDS images, (b) Nitrogen adsorption-desorption isotherms and the pore size distributions of MTNTs (included) and (c) XPS spectrum of Pt 4 f[r] ...
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Enthalpy-entropy compensation based on isotherms of mango
... ON ISOTHERMS OF ...and desorption isotherms were obtained in the range of 30-70 C, to water activities (a ) from ...sorption isotherms and plots of H versus S provided the isokinetic ...
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Isotherms and isostatic heat of foam-mat dried yellow mombin pulp
... determine desorption isotherms and isosteric heat of yellow mombin (Spondias mombin ...the isotherms and isosteric heat, whereas water activity (aw) was determined using the Hygropalm-HP23AW-A ...of ...
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Study of thermodynamic water properties and moisture sorption hysteresis of mango skin
... Dnce overripe mango was cleaned and disinfected, the skin was separated from the pulp using a food grinder (model RI17625/71, Philips, Japan) to reduce particle size to 0.1 to 0.5 mm ± 0.05 mm. Two hundred ity grams of ...
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Hygroscopicity of ‘sucupira-branca’ (Pterodon emarginatus Vogel) fruits
... The desorption isotherms of ‘sucupira-branca’ fruits were obtained using the dynamic-gravimetric ...The desorption of the product in thin layer was performed for different controlled conditions of ...
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J. Braz. Chem. Soc. vol.28 número1
... The desorption isotherms (Figure 4) were determined according to the procedure used for the adsorption isotherms and represent the amount of SCP still adsorbed per gram of soil as a function of the ...
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Quím. Nova vol.31 número6
... The moisture sorption isotherms of Chilean papaya were determined at 5, 20, and 45 ºC, over a relative humidity range of 10-95%. The GAB, BET, Oswin, Halsey, Henderson, Smith, Caurie and Iglesias-Chirife models ...
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Study of adsorption isotherms of green coconut pulp
... absorbed, isotherms are called adsorption isotherms, otherwise they are called desorption isotherms (STRUMILLO; KUDRA, ...sorption isotherms into ive general groups based upon the Van ...
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Nickel adsorption and desorption in an acric oxisol as a function of pH, ionic strength and incubation time
... the desorption process was repeated ...each desorption period. Desorption process was performed for both the topsoil and subsoil samples at each Ni concentration and pH studied to examine the ...
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Braz. J. Chem. Eng. vol.26 número1
... and desorption isotherms presented a sigmoid shape, also classified as S isotherm (Hinz, ...and desorption isotherms indicated that equilibrium moisture content increased with increasing water ...
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ADSORPTION- DESORPTION FOR SOME HEAVY METALS IN THE PRESENCE OF SURFACTANT ON SIX AGRICULTURAL SOILS
... Competitive metal ion adsorption-desorption between soil and surfactant in the soil-metal-water-surfactant system, in the presence SDS, at concentrations of 0.1cmc, cmc, and 10cmc were conducted ...
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Increasing Sorption Isotherms Accuracy: Weibull Modelling and Linear Regression
... Weibull isotherms as a general term, to fit data of a number of activated carbons at different relative pressures, which corresponds in fact to micropore ...
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COMPETITIVE SORPTION AND DESORPTION OF PHOSPHATE AND CITRATE IN CLAYEY AND SANDY LOAM SOILS
... As the P bindings with the solid phase of very weathered soils are highly stable and the reversibility low, one possibility of soil management would be the continuous addition of organic acids. This would lead to a ...
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