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第173章 飞艇似乎可以有(2 / 2)

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用电制氢气有些浪费,与硫酸置换最多的应该是铝,铁也可以,但相同质量下,应该是铝最多。

记得曾经在实验室多用锌,这只是因为铝表面有氧化膜,一开始反应缓慢,浪费课堂时间。

但真正制取时,在氧化膜消失后,就会开始剧烈反应,制取速度非常快,铝镁铁锌这几种金属,相同质量,铝置换的量绝对是最多的。

硫酸铝,又是制作明矾的极好材料,似乎就是如此。化工产业,越是成熟,废料就会越少。

明矾,刘康想了想,也没想起这么制作的,硫酸铝,大概是其中重要的材料。

“老师,此时两端冒出的气体,都已没有颜色。”不久之后,羊祜提醒。

“停下电源,加热祛除水分。”刘康看了一眼,电解烧碱的水溶液,获得的自然就是氢气与氧气。

“老师,如今的气体,会是何物?”

“氧气,纯净的氧气,直流电电解水就可制取氢气与氧气,也算一种工业制法,以后需要可用之,纯氧同样可用于各领域。

多种金属,都可在其中直接燃烧,比如铁,在空气中只会发红,但在氧气中,激烈然绕,溶液可用于焊接等,医院也可用到。”刘康随口回应。

“焊接,液体的铁水?这应该也可用于密封吧。”羊祜激动的写下。

“可以,但理论和实际,总是有差异的,让人去尝试吧。”刘康说完,继续完善简易飞艇的设计。

这章没有结束,请点击下一页继续阅读!“诺——”羊祜看着刘康所化的图纸,觉得接下来,工部的任务可能很繁重,后膛枪、采油机、汽油机,现在估计又得加一个看起来颇为大型的物件。

“老师,已获得结晶体,确为烧碱无疑,有电,的确简单。老师,将氯气与氢气作为蒸汽机燃料,单独在一个燃烧室燃烧,然后收集燃烧后的气体融入水中制取盐酸,这般处理氯气是否可行。”羊祜询问。

“或许可以,但需注意其混合爆炸比率,可燃气体,在密闭空间燃烧,爆炸是免不了的。”刘康点头,听起来的确可以,但到底行不行,他也不知。

“学生会注意的。”羊祜再次记下。

“让人将烧碱与铝土矿粉末混合搅拌,然后过滤。”刘康吩咐一句,继续捣鼓飞艇图,飞机暂时不能想,但飞艇,他越想越觉得可行。

“老师,接下来呢?”

“在液体中通入大量的二氧化碳,再之后过滤,这次收集结晶,若晶体为灰白色,应该就是氧化铝了。

之后在结晶中加入冰晶石碎末一起加热至融化,然后通电,若没有选错材料,排出氧气后,嗯,最后一步获得的是氧气和铝,氧气也可收集。”

刘康大概知道电解铝的步骤,大概就这般的过程了,若选错了材料,会得到什么,还真不太好猜。

不过,他自信不会选错材料,或者说,大多的泥土中,都可能存在铝,第一步用烧碱溶解后过滤,就可去除铁与硅酸等物质。融入了液体中的,极大概率就是铝酸。

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