Effect of ultrasonic pretreatment on flotation purification of quartz

• Autorzy: Deng Jiabao , Luo Dawei , Bai Junzhe , Rong Ke

Identyfikatory

DOI

10.37190/ppmp/190008

• Języki publikacji: EN

Abstrakty

EN

Quartz sand purity dictates its applications, with current research focusing on flotation purification. To investigate the effects of ultrasonic pretreatment on quartz flotation, an RKIII single-tank flotation machine was employed at a neutral pH of 6.8, and the impacts of varying ultrasonic powers (120-300 W) and different treatment durations (0-25 min) were discussed. Additionally, ultrasonic pretreatments were carried out in acidic and alkaline environments simulated by 1%-5% solutions of hydrochloric acid and sodium hydroxide, respectively. Through the analysis of impurity content in quartz sand, it was found that under natural pH conditions and a power range of 120-300 W, the optimal purification effect was achieved by adding 100 g of quartz sand to 1200 cm3 of deionized water and subjecting it to ultrasonic treatment for 10-15 min. As the ultrasonic power increased, the purification effect was enhanced. The results showed that the removal of Fe2O3, TiO2, and Al2O3 was increased by 10.4%, 3.3%, and 1.2%, respectively, compared with that of the conventional flotation after ultrasonic pretreatment for 15 min with ultrasound power 240 W in a neutral environment. In the optimal 5% HCl solution, the removal rate of Fe2O3 was 11.2% and 21.6% higher than that of the control group and the untreated group, respectively. The removal rate of TiO2 was 4.6% and 7.9% higher, respectively. The removal rate of Fe2O3 increased by 23.2% and that of TiO2 increased by 9.1% with 240 W ultrasonic treatment in 4% NaOH solution.

Słowa kluczowe

EN

ultrasonic pretreatment; quartz; purification; flotation

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2024
• Tom: Vol. 60, iss. 3
• Strony: art. no. 190008
• Opis fizyczny: Bibliogr. 40 poz., rys., tab., wykr.

Twórcy

autor

Deng Jiabao

• College of Materials, Chemistry＆Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China

autor

Luo Dawei

• College of Materials, Chemistry＆Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China

autor

Bai Junzhe

• College of Materials, Chemistry＆Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China

autor

Rong Ke

• College of Materials, Chemistry＆Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China

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