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Lithium Modification of Bentonite in Jianping

Xuefeng Yin

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Abstract

The purified bentonite in Jianping was modified.The influence of the ratio of Li2CO3 and H2C2O4,reaction time,pH value,reaction temperature,bentonite concentration on the modification was studied.The swelling rate and X-ray diffraction pattern of the bentonite were tested.The results show that the best conditions for lithium modification is the value of pH between 7 and 8,the ratio of Li2CO3 and H2C2O4 is 0.8,the reaction time is 1.5 h,the reaction temperature is 80 ℃ and the bentonite concentration is 10%.The suspension property of the lithium bentonite has been greatly improved.

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What this paper is about

The purified bentonite in Jianping was modified.The influence of the ratio of Li2CO3 and H2C2O4,reaction time,pH value,reaction temperature,bentonite concentration on the modification was studied.The swelling rate and X-ray diffraction pattern of the bentonite were tested.The results show that the best conditions for lithium modification is the value of pH between 7 and 8,the ratio of Li2CO3 and H2C2O4 is 0.8,the reaction time is 1.5 h,the reaction temperature is 80 ℃ and the bentonite concentration is 10%.The suspension property of the lithium bentonite has been greatly improved.

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Available abstract

The purified bentonite in Jianping was modified.The influence of the ratio of Li2CO3 and H2C2O4,reaction time,pH value,reaction temperature,bentonite concentration on the modification was studied.The swelling rate and X-ray diffraction pattern of the bentonite were tested.The results show that the best conditions for lithium modification is the value of pH between 7 and 8,the ratio of Li2CO3 and H2C2O4 is 0.8,the reaction time is 1.5 h,the reaction temperature is 80 ℃ and the bentonite concentration is 10%.The suspension property of the lithium bentonite has been greatly improved.

Key concepts: Bentonite, Lithium (medication), Suspension (topology), Materials science, Chemistry, Chemical engineering, Nuclear chemistry, Inorganic chemistry

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