Study on separation of fine-particle ilmenite and mechanism using flocculation flotation with sodium oleate and polyacrylamide

• Autorzy: Peng Yang , Xiao Junhui , Deng Bing , Wang Zhen , Liu Nengyun , Yang Daoguang , Ding Wei , Chen Tao , Wu Qiang

Identyfikatory

DOI

10.5277/ppmp19094

• Języki publikacji: EN

Abstrakty

EN

In this paper, sodium oleate, polyacrylamide, soluble starch and sodium carboxymethyl cellulose were used as flocculants to study the flocculation and sedimentation behavior of microfine ilmenite. Sedimentation test shows that sodium oleate and polyacrylamide have good flocculation effect on ultrafine ilmenite. The flocculation rate of ilmenite can be further improved by the combination of sodium oleate and polyacrylamide. It was found that both flocculants could generate chemical adsorption with ilmenite surface, and they all react with Fe3+ on ilmenite surface. However, sodium oleate reacts with Fe3+ to form a water-insoluble iron oleate precipitate which coats the surface of the ilmenite and hinders the action of polyacrylamide and the remaining Fe3+. This problem can be avoided by adding polyacrylamide followed by sodium oleate, and the flotation recovery can be increased significantly.

Słowa kluczowe

EN

sodium oleate; polyacrylamide; synergistic effect; ilmenite; flocculation flotation

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2020
• Tom: Vol. 56, iss. 1
• Strony: 161--172
• Opis fizyczny: Bibliogr. 35 poz., rys., tab.

Twórcy

autor

Peng Yang

• School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621010, China

autor

Xiao Junhui

• School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621010, China
• Sichuan Engineering Laboratory of Non-Metallic Mineral Powder Modification and High-Value Utilization, Southwest University of Science and Technology, Mianyang 621010, China
• Key Laboratory of Sichuan Province for Comprehensive Utilization of Vanadium and Titanium Resources, Panzhihua, 61700, China
• Key Laboratory of Ministry of Education for Solid Waste Treatment and Resource Recycle, Southwest University of Science and Technology, Miangyang 621010, China

autor

Deng Bing

• State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization (Pangang Group Panzhihua Iron & Steel Research Institute Co. Ltd.) Panzhihua, 61700, China
• Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Sciences, Chengdu 610041, China

autor

Wang Zhen

• School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621010, China

autor

Liu Nengyun

• State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization (Pangang Group Panzhihua Iron & Steel Research Institute Co. Ltd.) Panzhihua, 61700, China
• Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Sciences, Chengdu 610041, China

autor

Yang Daoguang

• State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization (Pangang Group Panzhihua Iron & Steel Research Institute Co. Ltd.) Panzhihua, 61700, China
• Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Sciences, Chengdu 610041, China

autor

Ding Wei

• School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621010, China

autor

Chen Tao

• School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621010, China

autor

Wu Qiang

• School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621010, China

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).