CAJ | 학술논문

湖南某长石矿矿物组成复杂，主要有用矿物为长石和石英。为开发利用该矿石，对其进行了选矿试验研究。结果表明：在磨矿细度为-0.074 mm占62．36%时，原矿经脱泥—脱石英浮选后，以硫酸为调整剂、N-烷基丙撑二胺+石油磺酸钠为捕收剂经1粗2扫长石-石英分离浮选，获得了Al2 O3含量为18．68%的长石浮选精矿和SiO2含量为98．35%的石英浮选精矿；长石浮选精矿经1粗1精磁选除铁获得了Al2 O3含量为18．68%、Fe2 O3为0．18%、Na2 O+K2 O为12．28%的长石精矿，达到了陶瓷工业的一级质量标准；石英浮选精矿在0．35 T条件下磁选除铁后获得了SiO2含量为98．35%、Fe2 O3为0．076%的石英精矿，满足玻璃工业二级质量要求。
호남모장석광광물조성복잡，주요유용광물위장석화석영。위개발이용해광석，대기진행료선광시험연구。결과표명：재마광세도위-0.074 mm점62．36%시，원광경탈니—탈석영부선후，이류산위조정제、N-완기병탱이알+석유광산납위포수제경1조2소장석-석영분리부선，획득료Al2 O3함량위18．68%적장석부선정광화SiO2함량위98．35%적석영부선정광；장석부선정광경1조1정자선제철획득료Al2 O3함량위18．68%、Fe2 O3위0．18%、Na2 O+K2 O위12．28%적장석정광，체도료도자공업적일급질량표준；석영부선정광재0．35 T조건하자선제철후획득료SiO2함량위98．35%、Fe2 O3위0．076%적석영정광，만족파리공업이급질량요구。
Main minerals in a feldspar ore of Hunan Province are feldspar and quartz. Beneficiation experiments were conducted for the development and utilization of the ore. Results show that at the grinding fineness is 62. 36% -0. 074 mm,af-ter desliming and quartz discarding flotation,with sulfuric acid modifier,N-alkyl diaminopropane+ petroleum sodium sulfonate as collector by one roughing and two scavenging feldspar-quartz separating floattion,feldspar concentrate with 18. 68% Al2 O3 and quartz concentrate with 98. 35% SiO2 are obtained. Through one roughing and one cleaning magnet separation for iron re-moval dealing with feldspar flotation concentrate,feldspar concentrate with 18. 68% Al2 O3 ,0. 18% Fe2 O3 and 12. 28% Na2 O+K2 O was received. Quartz concentrates with 98. 35% SiO2 and 0. 076% Fe2 O3 was received dealing with quartz flotation con-centrate at the magnet intensity of 0. 35 T for iron removal. The feldspar concentrates meets the first-grade quality standard of ceramics,while the quartz concentrates for the secondary quality standard of glass.