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of Bayer liquor with spectroscopy and MD simulation [J]. Chemical Physics Letters, 2006, 422: 406-411. [10] QIU G F, Chen N Y, YAN L C, Li Y. Spectroscopic studies on highly concentrated sodium aluminate... Spectra of sodium aluminate solutions MA Shu-hua(马淑花)1, 2, ZHENG Shi-li(郑诗礼)1, XU Hong-bin(徐红彬)1, ZHANG Yi(张 懿)1 1. Laboratory of Green Process and Engineering, Institute of Process Engineering......
J. Cent. South Univ. Technol. (2008) 15: 622-626 DOI: 10.1007/s11771-008-0116-6 Effect of tetracarbon additives on gibbsite precipitation from seeded sodium aluminate liquor ZENG Ji-shu(曾纪术... and tetrahydrofurane on gibbsite precipitation from caustic seeded sodium aluminate liquor were investigated. The additive was charged into supersaturated seeded sodium aluminate liquor, then the precipitation ratio......
supersaturated sodium aluminate solutions simultaneously, and the competitive formation between Al(OH)3 and γ-AlOOH determines the main precipitate phases from pregnant liquor. Boehmite seeds, high... with different concentrations were added into the sodium aluminate solutions with the same volume as mother liquor. Liquid samples were taken from the reactor periodically and were analyzed......
spectra of sodium aluminate liquor with (a) or without (b) addition of sodium nitrate As discussed in section 3.1 (shown in Fig.1), the addition of α-alanine at proper concentration reduces... Combined effect of amino and carboxyl group in α-alanine on seeded precipitation of sodium aluminate solution L? Bao-lin(吕保林), CHEN Qi-yuan(陈启元), YIN Zhou-lan(尹周澜), HU Hui-ping(胡慧萍) School......
degradation product of organic compounds from the Bayer liquor by wet oxidation. LIU et al [13] and ZHANG et al [14] investigated the reaction behavior and removal mechanism of oxalate in sodium aluminate..., stirring rate, solid-liquor interface structure and impurities [17, 20]. The supersaturation of sodium aluminate solution is one of the most important factors, which directly influences the operations......
Ji-shu, YIN Zhou-lan, CHEN Qi-yuan. Intensification of precipitation of gibbsite from seeded caustic sodium aluminate liquor by seed activation and addition of crown ether [J]. Hydrometallurgy, 2007... seeded sodium aluminate liquor [J]. J Cent South Univ Techno, 2008, 15(5): 622-626. [9] WATTS H L, UTLEY D W. Volumetric analysis of sodium aluminate solutions [J]. Analytical Chemistry, 1953, 25(6......
Pre-desilication and digestion of gibbsitic bauxite with lime in sodium aluminate liquorXiao-lin Pan, Hai-yan Yu, Kai-wei Dong, Gan-feng Tu, and Shi-wen Bi School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China摘 要:The effect of lime on the pre-desilication and digestion of gibbsitic bauxite in synthetic sodium aluminate......
-SS) is much greater than that in the solution by the addition of green liquor (solution-GL), and low alumina concentration in the sodium aluminate solutions facilitates the desilication process... aluminate solution at stirring speed of 400 r/min, while solution-GL was prepared by injecting the green liquor into sodium aluminate solution at stirring speed of 400 r/min. Furthermore, all solution......
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of works have been done on precipitation process for enhancing precipitation ratio of sodium aluminate liquor and getting qualified products[8-10]. However, the periodic attenuating of grain size, where... Periodical attenuation of Al(OH)3 particles from seed precipitation inseeded sodium aluminate solution WU Yu-sheng(吴玉胜)1, ZHANG Di(张 迪)1, LI Ming-chun(李明春)1, BI Shi-wen(毕诗文)2, YANG Yi-hong......