Immersion Drying of Wheat Using Al-PILC, Zeolite, Clay, and Sand as Particulate Media

Osorio-Revilla, Guillermo; Gallardo-Velázquez, Tzayhrí; López-Cortés, Socorro; Arellano-Cárdenas, Sofía

doi:10.1080/07373930600776225

Cited by 22 publications

(6 citation statements)

References 13 publications

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“…After zeolite, other materials followed, such as Al‐PILC, natural clay and sand. The best heat and mass transfer features were found for Zeolite and Al‐PILC …”

Section: Application Of Food Productionmentioning

confidence: 99%

“…The best heat and mass transfer features were found for Zeolite and Al-PILC. 134 Trading quality and bread-making performances of wheat treated with natural zeolite and diatomaceous earth were investigated after inert dust approval for use in pest control during certified organic crop production. 135 It was confirmed that there is no change in the bread-making properties of treated wheat.…”

Section: Application Of Food Productionmentioning

confidence: 99%

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Applications of natural zeolites on agriculture and food production

2017

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Zeolites are crystalline hydrated aluminosilicates with remarkable physical and chemical properties, which include losing and receiving water in a reverse way, adsorbing molecules that act as molecular sieves, and replacing their constituent cations without structural change. The commercial production of natural zeolites has accelerated during the last 50 years. The Structure Commission of the International Zeolite Association recorded more than 200 zeolites, which currently include more than 40 naturally occurring zeolites. Recent findings have supported their role in stored-pest management as inert dust applications, pesticide and fertilizer carriers, soil amendments, animal feed additives, mycotoxin binders and food packaging materials. There are many advantages of inert dust application, including low cost, non-neurotoxic action, low mammalian toxicity and safety for human consumption. The latest consumer trends and government protocols have shifted toward organic origin materials to replace synthetic chemical products. In the present review, we summarize most of the main uses of zeolites in food and agruculture, along with the with specific paradigms that illustrate their important role. © 2017 Society of Chemical Industry.

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“…After zeolite, other materials followed, such as Al‐PILC, natural clay and sand. The best heat and mass transfer features were found for Zeolite and Al‐PILC …”

Section: Application Of Food Productionmentioning

confidence: 99%

Section: Application Of Food Productionmentioning

confidence: 99%

Applications of natural zeolites on agriculture and food production

2017

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“…Note that air with a low relative humidity could enhance the drying rate at low temperature ( Djaeni and van Boxtel, 2009 ), and therefore product quality such as nutrition and active compounds can be retained. The drying system demonstrated a good result for onion ( Asiah et al., 2017 ) and for several other agricultural products such as wheat ( Osorio-Revilla et al., 2006 ), roselle ( Djaeni et al., 2018 ), and paddy ( Utari et al., 2017 ).…”

Section: Introductionmentioning

confidence: 99%

Effects of drying temperature and relative humidity on the quality of dried onion slice

Sasongko

Hadiyanto

Djaeni

et al. 2020

Heliyon

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Onion, a very common season ingredient, is useful as an antioxidant and optimal conditions are required for its drying while ensuring the best quality is retained. This study evaluated the effect of drying temperatures and relative humidity on both drying rate and onion quality. Onions with an average diameter of 20.125 ± 0.025 mm were peeled and sliced into a thickness of 1.233 ± 0.029 mm. They were then dried for 120 min under various temperatures ranging from 40 to 70 °C. Both moisture content and total phenolic compounds were measured and analyzed as responses, and the data obtained were used for estimating the kinetic parameters of drying rate and total phenolic compounds degradation. The results show that the drying kinetics followed Fick's model. Moreover, the total phenolic compounds degradation can be properly expressed using a first-order reaction model, and the optimization using response surface method revealed that the optimum conditions of onion slice drying were achieved at 49.6 °C and relative humidity of 0.65%. These conditions can significantly reduce drying time with phenolic compounds retention of up to 96%.

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“…Zeolite 13X exhibited higher water adsorption capacity and better heat and mass transfer properties than pillared clays (PILCS), natural clay, and sand in immersion drying of wheat in an agitated particulate medium dryer. [14] It was shown that dryers using a zeolite air dehumidifier were more energy efficient than conventional dryers operating at moderate temperatures (52-70 C) in the food industry. [15] Zeolite was found to be more favorable than alumina-pillared clay for low drying temperatures (40)(41)(42)(43)(44)(45)(46)(47)(48)(49)(50) C) in multistage adsorption dryers with air dehumidification.…”

Section: Introductionmentioning

confidence: 99%

“…[4,[11][12][13] Adsorption drying with zeolite was proposed as an alternative method to improve the energy efficiency of industrial drying. [14][15][16][17][18] The principle of zeolite drying is based on dehumidification of air before feeding to the dryer. At the same time, the air is preheated due to the release of adsorption heat, and the driving force for drying is increased.…”

Section: Introductionmentioning

confidence: 99%

Characterization and Dehydration Behavior of a Natural, Ammonium Hydroxide, and Thermally Treated Zeolitic Tuff

2011

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Aqueous NH 4 OH-treated and subsequently calcined forms of local natural zeolitic tuff were characterized by different techniques including scanning electron microscopy (SEM), X-ray powder diffraction, inductively coupled plasma-atomic emission spectroscopy (ICP-AES), volumetric N 2 adsorption at À196 C, thermogravimetry (TG), differential scanning calorimetry (DSC), and transmittance infrared spectroscopy. The dehydration behavior of the samples was investigated using an in situ temperature-programmed diffuse reflectance Fourier transform infrared spectroscopy (TP-DRIFTS) method under vacuum. The DRIFTS spectra recorded yielded information about the effect of the NH 4 OH treatment and subsequent calcination on the dehydration behavior of the natural zeolite. Changes in the infrared bands corresponding to vibrations of the OÀH and NÀH bonds upon in situ heating under vacuum were analyzed.Keywords Ammonium hydroxide treatment; Characterization;Clinoptilolite; Dehydration; DRIFTS INTRODUCTIONNatural zeolites constitute a group of minerals having open aluminosilicate frameworks containing channels and cavities that accommodate cations and water molecules. Generally, these cations are exchangeable and the water molecules can be removed or replaced reversibly without disrupting the framework. The presence of water in the pores hinders adsorption of other molecules; thus adsorption and catalytic properties of zeolites are directly related to their water content. Water is adsorbed into zeolites by filling oxygen-lined channels and hydrating the cations present in the channels. The observed macroscopic thermal behavior of a zeolite depends on the type, amount, and position of the extraframework cations within the structure, their coordination to water molecules, their interactions with framework oxygen atoms, the presence of other water molecules, Si=Al ratio, time, temperature, pressure, and heating rate.Dehydration behaviors of clinoptilolite have been investigated by various analytical techniques including

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Immersion Drying of Wheat Using Al-PILC, Zeolite, Clay, and Sand as Particulate Media

Cited by 22 publications

References 13 publications

Applications of natural zeolites on agriculture and food production

Applications of natural zeolites on agriculture and food production

Effects of drying temperature and relative humidity on the quality of dried onion slice

Characterization and Dehydration Behavior of a Natural, Ammonium Hydroxide, and Thermally Treated Zeolitic Tuff

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