The Potential of Modified Starches as Mineral Flotation Depressants

Fletcher, Brenton; Chimonyo, Wonder; Peng, Yongjun

doi:10.1007/s42461-021-00379-x

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2023

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Cited by 6 publications

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“…The former method requires harsh dissolution conditions (such as high pressure and high temperature) to obtain complete dissolution of starch [13] , while the latter produces a large amount of NaCl during the oxidized modification process in the wastewater with high treatment difficulty [14] . It is worth noting that recently, Fletcher, et al [15] reported that starch after oxidization allowed greater recovery of chalcopyrite in the presence of graphite or copper-activated pyrite as gangue, pointing to selectivity potential.…”

Section: Introductionmentioning

confidence: 98%

Ultrasonic treatment improves the performance of starch as depressant for hematite flotation

Zhang

Wang

2022

Ultrasonics Sonochemistry

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Highlights Ultrasonic treatment of starch led to higher surface wettability and lower entrainment loss of hematite. A selective flocculation of hematite and an increased concentrate Fe grade were observed when using ultrasonic treated starch. Ultrasonic treatment of starch improved its dissolution and acidity with more amylose content. Increased amylose in the ultrasound treated starch may benefit the selective flocculation of hematite.

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Section: Introductionmentioning

confidence: 98%