SU138743A1 - Leaching method for burnt calcine containing vanadium with spent electrolyte - Google Patents

Leaching method for burnt calcine containing vanadium with spent electrolyte

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Publication number
SU138743A1
SU138743A1 SU669196A SU669196A SU138743A1 SU 138743 A1 SU138743 A1 SU 138743A1 SU 669196 A SU669196 A SU 669196A SU 669196 A SU669196 A SU 669196A SU 138743 A1 SU138743 A1 SU 138743A1
Authority
SU
USSR - Soviet Union
Prior art keywords
vanadium
burnt
spent electrolyte
containing vanadium
leaching method
Prior art date
Application number
SU669196A
Other languages
Russian (ru)
Inventor
А.С. Гончаренко
Original Assignee
А.С. Гончаренко
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 А.С. Гончаренко filed Critical А.С. Гончаренко
Priority to SU669196A priority Critical patent/SU138743A1/en
Application granted granted Critical
Publication of SU138743A1 publication Critical patent/SU138743A1/en

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Description

Примен емые способы выще„тачивани  обожженных материалов, содержащих ванадий, не обеснечивают достаточно высокого извлечени  ванади  в раствор.The applied methods of cleaning the burned vanadium containing materials do not purify the vanadium with a sufficiently high recovery rate.

Описываемый способ выщелачивани  обожженного огарка, содержащего ванадий, позвол ет повысить извлечение ванади  в раствор до 95,5%. Это достигаетс  тем, что выщелачивание ведут отработанным электролитом, содержащим такие сильные окислители, как персульфаты , гипохлориты, хлораты и перхлораты, которые образуютс  в результате анодного окислени  щелочного электролита в процессе электролиза с нерастворимыми электродами.The described method of leaching calcined calcine containing vanadium, allows to increase the extraction of vanadium in solution to 95.5%. This is achieved by leaching with spent electrolyte containing such strong oxidizing agents as persulfates, hypochlorites, chlorates and perchlorates, which are formed as a result of the anodic oxidation of an alkaline electrolyte during electrolysis with insoluble electrodes.

Технологи  извлечени  ванади  из содержащего ванадий сырь , например из руд, концентратов или щлаков, заключаетс  в следующем . Предварительно обожженное при 800-850° измельченное (до 60-100 меш) исходное сырье (в присутствии 8-12% поваренной соли , сильвинита «ли соды) выщелачивают в отработаннном электролите . Выщелачивание ведут в течение 30-60 мин при интенсивном перемешивании пульпы, температуре 60-90° и соотношении твердой фазы к жидкой Т:Ж 1 :4. В качестве растворител  примен ют отработанный электролит кислотностью рН 5 - 7, содержащий 40-80 г/л сульфата кали , 15-20 г1л хлористого натри  и 50-150 .чгг1 окислителей (, СЮ , ClO-i, ).Techniques for extracting vanadium from a raw material containing vanadium, for example, from ores, concentrates or slags, are as follows. Chopped (up to 60-100 mesh) raw materials (in the presence of 8-12% sodium chloride, sylvite “whether soda”) pre-calcined at 800–850 ° are leached in the spent electrolyte. Leaching is carried out for 30-60 minutes with intensive mixing of the pulp, a temperature of 60-90 ° and the ratio of the solid phase to the liquid T: W 1: 4. The solvent used is spent electrolyte with acidity pH 5-7, containing 40-80 g / l of potassium sulfate, 15-20 g1 l of sodium chloride and 50-150. Hg1 of oxidizing agents (, CU, ClO-i,).

После отделени  полученного раствора его подвергают электролизу (без диафрагм) с нерастворимыми электродами, который ведуг до выделени  основной части (до 80%) содержавщегос  в электролите ванади After the separation of the resulting solution, it is subjected to electrolysis (without diaphragms) with insoluble electrodes, which lead to the separation of the main part (up to 80%) of vanadium contained in the electrolyte.

Обработанный таким способом электролит направл ют на выщелачивание новых партий огарка. Остаток, не растворившийс  при выще№ 138743- 2 The electrolyte processed in this way is directed to the leaching of new batches of calcine. The residue which does not dissolve in the case No. 138743-2

лачиванИИ, в Когором содержитс  не более 5% ванади  от количества его в исходном огарке, используетс  дл  извлечени  оставшихс  в нем полезных компонентов, характер и количество которых завис т от состава исходного сырь .In the COGOR, no more than 5% of the vanadium is contained in its original cinder, it is used to extract the remaining useful components, the nature and amount of which depends on the composition of the raw material.

Предмет изобретени Subject invention

Способ выщелачивани  обожженного огарка, содержащего ванадий , отработанным электролитом, отличающийс  тем, что, с целью сокращени  технологического цикла и более полного извлечени  ванади , исходный огарок выщелачивают отработанным электролитом , содержащим персульфаты, гипохлориты, хлораты и перхлораты, образовавщиес  в результате анодного окислени  сульфатов и хлоридов при электролизе ванадийсодержащего щелочного электролита с нерастворимыми электродами.The method of leaching calcined calcine containing vanadium with spent electrolyte, characterized in that, in order to shorten the technological cycle and more completely remove vanadium, the initial candle end is leached with spent electrolyte containing persulfates, hypochlorites, chlorates and perchlorates resulting from anodic oxidation. in the electrolysis of vanadium-containing alkaline electrolyte with insoluble electrodes.

SU669196A 1960-06-03 1960-06-03 Leaching method for burnt calcine containing vanadium with spent electrolyte SU138743A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU669196A SU138743A1 (en) 1960-06-03 1960-06-03 Leaching method for burnt calcine containing vanadium with spent electrolyte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU669196A SU138743A1 (en) 1960-06-03 1960-06-03 Leaching method for burnt calcine containing vanadium with spent electrolyte

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SU138743A1 true SU138743A1 (en) 1960-11-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2743355C1 (en) * 2018-11-30 2021-02-17 Паньган Груп Рисёч Инститьют Ко., Лтд. Method of extracting vanadium from vanadium slag with high content of calcium and phosphorus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2743355C1 (en) * 2018-11-30 2021-02-17 Паньган Груп Рисёч Инститьют Ко., Лтд. Method of extracting vanadium from vanadium slag with high content of calcium and phosphorus

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