Evaluating the Feasibility of Reusing Brewer´s Spent Grain Waste in Specialty Bread and Biofertilizer Production

Colpo, Iliane; Lima, Maria Soares de; Schrippe, Patrícia; Rabenschlag, Denis Rasquin; Martins, Mario; Sellitto, Miguel Afonso

doi:10.1089/scc.2022.0095

Cited by 1 publication

(2 citation statements)

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“…2 BSG is the main by-product of the brewing industry and accounts for approximately 85 % of all waste. 3,4 Beer consumption in the world is growing, and so is the volume of brewer's spent grain producedcurrently, more than 30 million tons are produced annually. 5 The principles of rational environmental management require the reuse of by-products.…”

Section: Introductionmentioning

confidence: 99%

“…5 The principles of rational environmental management require the reuse of by-products. 6 It is known that BSG can be used for food purposes, as a feed additive for animals, 3,4,[7][8][9][10][11][12] for fertilizing agricultural land, 4,13 for producing biogas 3,4,14 and bioethanol, 14 as adsorbent material, 14 as a source for producing phenolic compounds, 15 for alternative solid fuels, 2 etc.…”

Section: Introductionmentioning

confidence: 99%

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Kinetic Regularities of the Filtration Drying of Barley Brewer’s Spent Grain

Ivashchuk,

Atamanyuk,

Chyzhovych

et al. 2024

ChChT

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The paper describes the study of the kinetics of filtration drying of barley brewer’s spent grain. The dependencies of the process at different parameters of the stationary layer and the heating agent are presented: different heights of the wet material H (40 mm, 80 mm, 120 mm, and 160 mm), different temperatures of the heating agent T (50 °C, 70 °C, 80 °C, and 90 °C), and the velocities of the heating agent through the stationary layer of material v0 (1.26 m/s, 1.55 m/s, 1.81 m/s, 2.31 m/s, and 2.82 m/s). The kinetic regularities of two drying periods were determined: the period of complete saturation of the heating agent with moisture and the period of partial saturation of the heating agent with moisture. The calculation dependencies describing the intensity of the filtration drying process in both periods are proposed. The equations for determining the drying time of barley brewer’s spent grain τI and τII during both periods are proposed. The absolute value of the maximum relative error of the experimental values of moisture content from the theoretically calculated ones is 19.83 %, and the average value of the relative error is 3.15 %, which is acceptable for practical design calculations of drying equipment.

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