RU93033658A - METHOD OF TITANIUM DIOXIDE LOSSING - Google Patents

METHOD OF TITANIUM DIOXIDE LOSSING

Info

Publication number
RU93033658A
RU93033658A RU93033658/26A RU93033658A RU93033658A RU 93033658 A RU93033658 A RU 93033658A RU 93033658/26 A RU93033658/26 A RU 93033658/26A RU 93033658 A RU93033658 A RU 93033658A RU 93033658 A RU93033658 A RU 93033658A
Authority
RU
Russia
Prior art keywords
titanium dioxide
lossing
gas dispersion
heated
vapor
Prior art date
Application number
RU93033658/26A
Other languages
Russian (ru)
Other versions
RU2042628C1 (en
Inventor
Н.Н. Стремилова
Original Assignee
Н.Н. Стремилова
Filing date
Publication date
Application filed by Н.Н. Стремилова filed Critical Н.Н. Стремилова
Priority to RU93033658/26A priority Critical patent/RU2042628C1/en
Priority claimed from RU93033658/26A external-priority patent/RU2042628C1/en
Application granted granted Critical
Publication of RU2042628C1 publication Critical patent/RU2042628C1/en
Publication of RU93033658A publication Critical patent/RU93033658A/en

Links

Claims (1)

Способ относится к производству диоксида титана по хлоридной технологии. Обработку ведут в газовой дисперсии (аэрированном перемещающемся слое) путем подачи нагретого до температуры не ниже 120oС диоксида титана и аэрировании материала, нагретого до 300 - 500oС воздухом, в который вводят пары воды и/или пары поверхностно-активного вещества в различных сочетаниях в количестве не более 0,3% к диоксиду титана. Газовую дисперсию диоксида титана подвергают ультрафиолетовому облучению. Предлагаемый способ сокращает время обработки в 1,5 - 2 раза, повышает степень обесхлоривания с 92,7 до 99,3%.The method relates to the production of titanium dioxide by chloride technology. The treatment is carried out in a gas dispersion (aerated moving layer) by supplying titanium dioxide heated to a temperature not lower than 120 o С and aerating the material heated to 300-500 o С with air into which water vapor and / or surfactant vapor are introduced combinations in the amount of not more than 0.3% to titanium dioxide. The titanium dioxide gas dispersion is subjected to ultraviolet irradiation. The proposed method reduces the processing time in 1.5 - 2 times, increases the degree of dechlorination from 92.7 to 99.3%.
RU93033658/26A 1993-06-29 1993-06-29 Method for dechlorination of titanium dioxide RU2042628C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93033658/26A RU2042628C1 (en) 1993-06-29 1993-06-29 Method for dechlorination of titanium dioxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93033658/26A RU2042628C1 (en) 1993-06-29 1993-06-29 Method for dechlorination of titanium dioxide

Publications (2)

Publication Number Publication Date
RU2042628C1 RU2042628C1 (en) 1995-08-27
RU93033658A true RU93033658A (en) 1996-01-20

Family

ID=20144155

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93033658/26A RU2042628C1 (en) 1993-06-29 1993-06-29 Method for dechlorination of titanium dioxide

Country Status (1)

Country Link
RU (1) RU2042628C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2236376C1 (en) * 2003-03-19 2004-09-20 Стремилова Нина Николаевна Titanium dioxide pigment manufacture method (options)
CN107601547A (en) * 2017-08-28 2018-01-19 中南大学 The control method of remaining chlorinity in metal oxide

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