SU1473A1 - The method of separation of a mixture of halides of zirconium and hafnium - Google Patents

The method of separation of a mixture of halides of zirconium and hafnium

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Publication number
SU1473A1
SU1473A1 SU2292A SU78404A SU1473A1 SU 1473 A1 SU1473 A1 SU 1473A1 SU 2292 A SU2292 A SU 2292A SU 78404 A SU78404 A SU 78404A SU 1473 A1 SU1473 A1 SU 1473A1
Authority
SU
USSR - Soviet Union
Prior art keywords
mixture
hafnium
zirconium
separation
halides
Prior art date
Application number
SU2292A
Other languages
Russian (ru)
Inventor
ван-Аркель А.Э.
де-Боер Я.Г.
Original Assignee
Анонимное Общество фабрик ламп накаливания Филипс
Анонимное общество фабрик ламп накаливани Филипс
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Анонимное Общество фабрик ламп накаливания Филипс, Анонимное общество фабрик ламп накаливани Филипс filed Critical Анонимное Общество фабрик ламп накаливания Филипс
Priority to SU2292A priority Critical patent/SU1473A1/en
Application granted granted Critical
Publication of SU1473A1 publication Critical patent/SU1473A1/en

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Description

Изобретение касаетс  способа разделени  смеси соединений циркони  и гафни , преимущественно же галоидных их соединений.The invention concerns a process for separating a mixture of zirconium and hafnium compounds, preferably their halide compounds.

Цирконий и гафний, или их соединени  в химическом отношении весьма сходны; вследствие этого разделение их представл ет известные затруднени . Разделение смеси двух соединений вообще производитс  довольно простым способом, если удаетс  привести смесь в жидкое состо ние при атмосферном давлении и затем подвергнуть ее дробной перегонке. Далее, дл  успен ности разделени  важно, чтобы кривые пара и жидкости имели не слищком сходный вид. Ныне оказалось, что смесь галоидных соединений циркони  и гафни  сразу нельз  привести в жидкое состо ние , так, например, смесь хлористых соединений циркони  и гафни  при атмосферном давлении не плавитс , при нагревании же твердой смеси эта. последн   тотчас же переходит в пары. Согласно изобретени , разделение смеси галоидных соединений циркони Zirconium and hafnium, or their compounds, are chemically very similar; as a result, their separation presents known difficulties. The separation of the mixture of the two compounds is generally carried out in a rather simple manner, if it is possible to bring the mixture into a liquid state at atmospheric pressure and then subject it to fractional distillation. Further, for the sake of separation, it is important that the vapor and liquid curves are not too similar. It has now turned out that a mixture of halide compounds of zirconium and hafnium cannot immediately be brought to a liquid state, for example, a mixture of chloride compounds of zirconium and hafnium does not melt at atmospheric pressure, when this solid mixture is heated this. the latter immediately turns into pairs. According to the invention, the separation of a mixture of zirconium halide compounds

и гафни  достигаетс  тем, что к смеси прибавл етс  известное количество одного или нескольких галоидных соединений элементов п той и шестой группы периодической системы. после чего разделение образовавшейс  смеси производитс  дробною перегонкою. Как известно, Элементы п той и шестой группы периодической системы суть те элементы, наибольша  валентность которых составл ет п ть или шесть, как например, фосфор, мьинь к, антимоний или молибден, вольфрам. Согласно изобретени  к смеси галоидных соединений циркони  и гафни  можно прибавить известное количество п тихлористого фосфора, после чего разделение образовавшейс  смеси может быть произведено помощью дробной перегонки. Изобретение по сн етс  нижеприведенною примерною формою осуществлени  способа. Смещиваютс  две части смеси хлористого циркони  и гафни  с одной частью п тихлористого фосфора. Така  смесь содержит избыток п тихлористого фосфора, KOTOpbiii служит дл  переводаand hafnium is achieved by adding a known amount of one or more halide compounds of the elements of the fifth and sixth groups of the periodic system to the mixture. whereupon the resulting mixture is separated by fractional distillation. As is well known, the elements of the fifth and sixth groups of the periodic system are those elements whose maximum valence is five or six, such as phosphorus, mine for, antimonium or molybdenum, tungsten. According to the invention, a known amount of phosphorus pentachloride can be added to the mixture of halides of zirconium and hafnium, after which the resulting mixture can be separated by fractional distillation. The invention is explained below in approximately the form of the method. Two parts of a mixture of zirconium chloride and hafnium are displaced with one part of phosphorus pentachloride. This mixture contains an excess of p-phosphorus, KOTOpbiii serves to translate

SU2292A 1924-08-02 1924-08-02 The method of separation of a mixture of halides of zirconium and hafnium SU1473A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU2292A SU1473A1 (en) 1924-08-02 1924-08-02 The method of separation of a mixture of halides of zirconium and hafnium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU2292A SU1473A1 (en) 1924-08-02 1924-08-02 The method of separation of a mixture of halides of zirconium and hafnium

Related Child Applications (1)

Application Number Title Priority Date Filing Date
SU448770A Addition SU99411A2 (en) 1954-04-03 1954-04-03 Device for automatically starting the DC motor

Publications (1)

Publication Number Publication Date
SU1473A1 true SU1473A1 (en) 1924-09-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU2292A SU1473A1 (en) 1924-08-02 1924-08-02 The method of separation of a mixture of halides of zirconium and hafnium

Country Status (1)

Country Link
SU (1) SU1473A1 (en)

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