Effects of pulsating air flow in fluid bed agglomeration of starch particles

Dacanal, Gustavo C.; Feltre, Gabriela; Thomazi, M.G.; Menegalli, Florência Cecília

doi:10.1016/j.jfoodeng.2016.03.004

Cited by 24 publications

(21 citation statements)

References 33 publications

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“…Table shows the particle size of agglomerated cornstarch produced with different amounts of liquid binder. The non‐agglomerated cornstarch had a mean diameter of (30 ± 2.7) μm, according to Dacanal and others (). The use of the high shear method led to an increase of mean diameter to the range 500 to 600 μm, indicating the method was efficient to agglomerate the cornstarch particles.…”

Section: Resultsmentioning

confidence: 79%

Production of Cornstarch Granules Enriched with Quercetin Liposomes by Aggregation of Particulate Binary Mixtures Using High Shear Process

Toniazzo

Galeskas

Dacanal

et al. 2017

Journal of Food Science

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This study is an unprecedent association of 2 technologies, nanoencapsulation and wet agglomeration, here used together to enrich cornstarch with quercetin. The agglomeration process was used to obtain granules of cornstarch, an ingredient extremely used in the food industry, enriched with quercetin-loaded lyophilized liposomes. The goals were both the improvement of the nutritional quality and the increase of the added value of the cornstarch.

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Section: Resultsmentioning

confidence: 79%

Production of Cornstarch Granules Enriched with Quercetin Liposomes by Aggregation of Particulate Binary Mixtures Using High Shear Process

Toniazzo

Galeskas

Dacanal

et al. 2017

Journal of Food Science

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“…The formation of aggregates from an initial set of individual monomers is a common topic in science, such as in planetary formation, granulation processes, food industry, meteorology, pollution, and Earth sciences (Brauer et al, 2001;Dominik et al, 2006;Poon et al, 2008;Brown et al, 2012;Cuq et al, 2013;Shi, 2015;Dacanal et al, 2016;Pumir and Wilkinson, 2016;Imaeda and Ebisuzaki, 2017;Ohno et al, 2020;). However, the study of aggregation phenomena with experimental setups or direct observations in natural environments is often a challenging -if not impossible -task.…”

Section: Introductionmentioning

confidence: 99%

SCARLET-1.0: SpheriCal Approximation for viRtuaL aggrEgaTes

Rossi¹,

Bonadonna²

2020

Preprint

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Abstract. Aggregation of particles occurs in a large variety of settings, and, therefore, it is the focus of many disciplines, e.g. Earth and environmental sciences, astronomy, meteorology, pharmacy, food industry. It is thus very important to provide a full description of the outcome of an aggregation process, starting from its basic features such as the position in space of its components and the overall porosity of the final object. We present SCARLET-1.0, a Matlab package specifically created to provide a 3D virtual reconstruction of aggregates in central oriented collisions that can be later 3D printed. With aggregates in central oriented collisions we refer to aggregates that build up their own structure around the first particle (the core) acting as a seed. SCARLET-1.0 belongs to the class of sphere-composite algorithms, a family of algorithms that approximate 3D complex shapes in terms of not-overlapping spheres. The conversion of a 3D surface in its equivalent spherical approximation allows an analytical computation of their intersections. Thus, provided a vector of sizes and shapes, SCARLET-1.0 places each element in the vector around the core minimizing the distances between their centers of mass. The user can play with three main parameters that are in charge of controlling the minimization process, namely the solid angle of the cone of investigation (Ω), the number of rays per cone (Nr), and the number of orientations of the object (No). All the 3D shapes are described using the STL format, the nowadays standard for 3D printing. This is one of the key features of SCARLET-1.0, which results in an unlimited range of application of the package. The main outcome of the code is the virtual representation of the object, its size, porosity, density and the associated STL file. As an example, here SCARLET-1.0 has been applied to the investigation of ellipsoid-ellipsoid collisions and to a more specific analysis of volcanic ash aggregation. In the first application we show that the final porosity of two colliding ellipsoids is less than 20 % if flatness and elongation are greater than or equal to 0.5. Higher values of porosities (up to 40–50 %) can be, instead, found for ellipsoids with needle-like or extremely flat shapes. In the second application, we reconstruct the evolution in time of the porosity of two different aggregates characterized by different inner structures. We find that aggregates whose population of particles is characterized by a narrow distribution of sizes tend to rapidly reach a plateau in the porosity. In addition, to reproduce the observed densities, almost no minimization is necessary in SCARLET-1.0; a result that suggests how these objects are quite far from the maximum packing condition often investigated in literature.

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“…As suspensões de amido-alginato foram caracterizadas por analises reológicas e determinação da viscosidade aparente. (Dacanal et al, 2016;Dacanal et al, 2013;Russ, 2011;Saad et al, 2011). Os parâmetros de forma foram calculados para cada partícula, individualmente, e a mediana da distribuição de forma foi utilizada para representar o leito de partículas.…”

Section: Análise E Caracterização Das Suspensões E Partículasunclassified

Produção de grânulos de amido-alginato por meio da gelificação iônica de gotas em sistemas bifásicos

Silva¹

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Agradeço primeiramente а Deus que iluminou todo о meu caminho durante esta caminhada e me trouxe até aqui, me dando oportunidade de cursar esse mestrado como um presente. À esta universidade por sempre ter disponibilizado os recursos necessários para evoluir e alcançar todas as metas desta pesquisa. À minha família, pelo apoio incondicional, colo e paciência nessa jornada, imprescindível para que esse sonho de tornasse realidade. Ao meu orientador, Prof. Dr. Gustavo Dacanal, pelos inúmeros ensinamentos e verdadeira paciência, um anjo colocado por Deus em meu caminho. Ao meu futuro esposo Milton Jr., pelo estímulo, carinho e compreensão. Aos técnicos de laboratórios, principalmente à Camila, Ana Mônica, Rodrigo e Leonardo, pela ajuda na realização de experimentos e análises. Às estagiárias do Laboratório de Fluidodinâmica e Caracterização de Sistemas Particulados (LAFLUSP), Gisele e Nathália, que participaram do andamento do trabalho. Aos Professores Doutores Paulo José do Amaral Sobral e Prof. Dr. Holmer Savastano Junior, por disponibilizarem a utilização de diversos equipamentos presentes em seus laboratórios. À CAPES, pela ajuda financeira durante a realização desse trabalho.

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Effects of pulsating air flow in fluid bed agglomeration of starch particles

Cited by 24 publications

References 33 publications

Production of Cornstarch Granules Enriched with Quercetin Liposomes by Aggregation of Particulate Binary Mixtures Using High Shear Process

Production of Cornstarch Granules Enriched with Quercetin Liposomes by Aggregation of Particulate Binary Mixtures Using High Shear Process

SCARLET-1.0: SpheriCal Approximation for viRtuaL aggrEgaTes

Produção de grânulos de amido-alginato por meio da gelificação iônica de gotas em sistemas bifásicos

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