• Methods Alcohol and strong acid cation exchange resin were used in the extraction and separation.

    方法类溶剂提取法离子交换树脂分离法

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  • When the fixed bed continuous process is used, the appropriate catalyst is strong acid cation exchange resin.

    采用固定连续甲酯化反应时,适宜催化剂酸性阳离子交换树脂

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  • Ion exchange equilibrium of neutral amino acids on 732 strong acid cation exchange resin in non buffer systems were studied and an equilibrium model was proposed.

    研究了缓冲体系中性氨基酸732型酸性阳离子交换树脂离子交换平衡提出了平衡模型

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  • Conclusion The methods of extraction of alkaloids with alcohol and separation with strong acid cation exchange resin are economy, convenient and highly efficient.

    结论乙醇提取、酸性阳离子树脂提取分离生物一种经济简便、效率较高方法

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  • The disk type module is the core of the water softening plant and is characterized in that the water softening chamber is filled with single strong acid cation exchange resin.

    圆盘膜堆软水装置核心部分,其特征是软水填充单 一的强酸性阳离子交换树脂

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  • Ethanol and tert-amyl alcohol were employed to synthesize tert-amyl ethyl ether in the liquid phase at atmospheric pressure. The strong acid cation exchange resin, NKC-29, was used as catalyst.

    国产NKC-29型酸性阳离子交换树脂催化剂常压液相条件下用乙醇叔戊为原料合成乙基叔戊基

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  • This paper investigates the catalysis of D-72 strong acid cation exchange resin on the synthesis of acetals, and systematically discusses the influence of reaction factors on the catalysis reaction.

    研究酸性阳离子交换树脂合成反应催化作用,系统地探讨了各反应因素对反应的影响,研究发现,D- 72强酸性阳离子交换树脂具有较高的催化活性,并能重复使用。

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  • Hydrolysis of methyl formate to form formic acid was studied experimentally by using strong-acid cation-exchange resin as catalyst and packing in a catalytic distillation column.

    催化精馏塔内以压制的强酸性阳离子交换树脂催化剂填料甲酸甲酯水解制甲酸进行了实验研究。

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  • This papar is concerned with the technique of regaining L-GA from exhausted liquid extracted L-GAwith strong acid cation-exchange resin and eluting, regenerating resin with ammonia water.

    酸性阳离子交换树脂吸附提取母液中的L-谷氨酸(简称L-GA),然后用氨水洗脱和再生,回收L-GA。

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  • We use the synthesis of carbon from the mixed four of the isobutylene and methanol in the strong acid styrene cation exchange resin catalyst, the reaction on the final synthesis of MTBE.

    采用合成工艺是混合中的异丁烯甲醇酸性苯乙烯系阳离子交换树脂催化剂上进行反应最终合成MTBE

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  • Synthesis of benzaldehyde glycol acetal catalyzed by strong-acid cation-exchange resin;

    无水硫酸铜作催化剂,在微波辐射下催化合成甲醛乙二醇缩醛。

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  • Synthesis of benzaldehyde glycol acetal catalyzed by strong-acid cation-exchange resin;

    无水硫酸铜作催化剂,在微波辐射下催化合成甲醛乙二醇缩醛。

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