Scale-up procedure for industrial cage mills

Saavedra, Francisco; Ramirez, Mark; Ruiz, Rubén Daniel; Concha, Felipe Quezada

doi:10.1016/j.minpro.2010.07.010

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…1a). Cage mills are typically used for heavy duty processing in several mining industries (Rodriguez et al, 2010). The cage mill evaluated in this study consists of two counter-rotating cages each consisting of four rings of standard low-carbon 16-mm diameter steel bars.…”

Section: Cage Mill Capacity To Destroy Weed Seeds In Chaff Fractionmentioning

confidence: 99%

Harrington Seed Destructor: A New Nonchemical Weed Control Tool for Global Grain Crops

2012

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Global grain production is under threat from the escalating evolution of herbicide‐resistant weed populations. Worldwide, herbicide‐reliant grain crop production systems have driven the proliferation of herbicide resistant populations of major weed species. Alternatives or adjuncts to herbicides are needed for sustainable control of crop weeds in grain crops worldwide. Here we introduce and prove the ability of a new weed control tool, the Harrington Seed Destructor (HSD), to intercept and destroy weed seeds during grain crop harvest. The interception and destruction of weed seeds exiting the grain harvester in the chaff fraction during grain crop harvest is a hitherto unrealized opportunity. We have developed a cage mill‐based chaff processing unit that consistently destroys weed seed infesting grain crop chaff fractions. The subsequent construction of the HSD incorporating this unit had >95% weed seed destruction efficacy when used during commercial harvest of three major grain crops, wheat (Triticum aestivum L.), barley (Hordeum vulgare L.), and lupin (Lupinus angustifolius L.). The HSD system has the potential for a dramatic impact on global grain production by providing the unique combination of effective weed control with complete retention of grain crop harvest residues. Only herbicides offer this same combination of highly effective weed control and complete residue retention in large scale grain crop production systems.

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Section: Cage Mill Capacity To Destroy Weed Seeds In Chaff Fractionmentioning

confidence: 99%

Harrington Seed Destructor: A New Nonchemical Weed Control Tool for Global Grain Crops

2012

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“…2a, respectively; which were simulated as cage mill crushers. This kind of crushers are highly recommended for size reduction operations of wet and sticky materials ( 29 ). Size reduction was simulated in the ‘equipment selection’ mode and the ratio of cut-off size to outlet diameter was fixed at 6.0.…”

Section: Methodsmentioning

confidence: 99%

Aspen Plus Simulation Strategies Applied to the Study of Chitin Bioextraction from Shrimp Waste

Rios

Navarro

Monsalve

et al. 2019

Food technol. biotechnol. (Online)

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Chitin is an aminopolysaccharide of industrial interest commonly obtained from shrimp processing waste through chemical or biotechnological means. Current environmental concerns offer a stimulating perspective for chitin bioextraction with lactic acid bacteria since a considerable reduction in the use of corrosive and pollutant products is possible. Nevertheless, the efficiency of this bioprocess is still a matter of discussion. In this work, the experimental studies of chitin bioextraction from Pacific white shrimp (Litopenaeus vannamei) waste with a mixed culture of Lactobacillus plantarum, Lactobacillus bulgaricus and Streptococcus thermophilus are used in process simulation using Aspen Plus software for the analysis of the potential application of a bioprocess on plant scale. The experimental results of characterization in shake flasks and 1-litre bioreactor indicated that 50 h of fermentation with the mixed culture of lactic acid bacteria was enough to extract more than 90 % of minerals and proteins from the shrimp waste. The use of experimental parameters in the simulation allowed a reliable representation of the bioprocess yielding normalized root mean square values below 10 %. Simulation was used for the assessment of the impact of the raw material variability on the production costs and gross margin. In this regard, the gross margin of the operation ranged from 42 to 52 % depending on the raw material composition and product yield

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Scale-up procedure for industrial cage mills

Cited by 2 publications

References 2 publications

Harrington Seed Destructor: A New Nonchemical Weed Control Tool for Global Grain Crops

Harrington Seed Destructor: A New Nonchemical Weed Control Tool for Global Grain Crops

Aspen Plus Simulation Strategies Applied to the Study of Chitin Bioextraction from Shrimp Waste

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