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Abstract�� For lowering the B_2O_3 and CaO content in magnesia from brine by two-step-overlimed method,a modification was proposed,i.e.,the brine deboronized by resin instead of raw-brine is used in the secend step.By this modification the B_2O_3 content in magnesia is 63% lower than that by conventional two-step method.

Keywords�� s:magnesia; brine;resin; borax

Received 1995-07-15;

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��·��.����±ˮþɰ�ĸĽ�[J]. ��ѧ��ҵ�빤��, 1995,12(3): 56-58

Wang Luming.A Modification in Overlimed Method for Production of Magnesia from Brine[J]. Chemcial Industry and Engineering, 1995,12(3): 56-58