【摘要】 <正> 锆铪是核反应堆重要防护和控制材料。用N₂₃₅萃取分离锆铪工艺已有报导,工业上反萃取,通常采用氨水和碳酸氢铵,效果虽好,但与农业争化肥且成本较高。本实验采用硫酸做反萃取剂,探讨硫酸浓度对萃取锆的影响;萃取和反萃取过程中乳化成因和防止办法。采用此法可节约大量化肥,减少工序,使锆铪生产成本下降,并能消除乳化,获得合格的原子能级锆,为工业生产锆铪提供依据。更多还原

【Abstract】 This article describes a rearch based on the choice of antiextractant,mini-test of extraction,middletest, expending test and circulatory action of extractant.When Zr and Hf were separated by N₂₃₅ extraction, an inqury was made into the cause of emulsion and its method of elimination. If this method be used for anti-extraction,we can economize a lot of fertilizer,quality of Hf as high as atomic energy qrade one, can be obtained.It recluces 20％ cost of Hf and Zr. This article provides the basis for producting Hf, Zr in industry.更多还原