SU763261A1 - Composition for yellow phosphorus purification - Google Patents
Composition for yellow phosphorus purification Download PDFInfo
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- SU763261A1 SU763261A1 SU782576832A SU2576832A SU763261A1 SU 763261 A1 SU763261 A1 SU 763261A1 SU 782576832 A SU782576832 A SU 782576832A SU 2576832 A SU2576832 A SU 2576832A SU 763261 A1 SU763261 A1 SU 763261A1
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- SU
- USSR - Soviet Union
- Prior art keywords
- phosphorus
- iron
- acid
- trioxide
- composition
- Prior art date
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- Detergent Compositions (AREA)
- Removal Of Specific Substances (AREA)
Description
Изобретение относитс к способу получени чистого желтого фосфора, ис пользуемого дл синтеза высококачественных производных. Известен способ очистки фосфора концентрированной серной кислотой.Очи отка фосфора серной кислотой заключа .етс в кратковременном контактировании (1,5-2 с) реагентов с последующим разделением их водой.Недостатком данного способа вл етс фосфора лишь ОТ органических примесей. Известен состав дл очистки желтого фосфора, содержащий компоненты в оледующем соотношении, вес.%: Трехокись серы2-18 70%-на фосфорна кислота12-14,2 100%-на серна кислота . Остсшьноё :В известном способе степень очистки желтого фосфора от железа составл ет 87-93%. Целью изобретени вл етс повышение степени очистки от железа и органических примесей. Поставленна цель достигаетс соетавом дл очистки желтого фосфора, содержащим трехокись серы, 100%: yю серную кислоту и-30%-ную перекись водорода ,при следующем содержании ком- понентов, вес.%:Трехокись серы2,0-18 30%-на перекись водорода0,3-0,7 100%-на серна кислотаОстальное Отличительными признаками вл ютс дополнительное содержание в составе 30%-ной перекиси водорода и соотношение компонентов. Указанные отличи позвол ют повысить степень очистки от железа до 99,3%, от органических примесей до 99/9%. При очистке желтого фосфора смесью, ссщержащей перекиси водорода менее 0,3 вес.%, резко снижаетс степень очистки фосфора от железа. Содержание перекиси водорода более 0,7 вес.% ведет к образованию большого количества шламовы}Ь примесей в очищенном фосфоре. Пример 1.. К; 1000 г желтого фосфора, содержащего 0,31% органических примесей и 0,014% железа, добавл ют 2 г трехокиси серы, 0,3 г перекиси водорода (30%-на ) и 97,7 г серной кислоты (100%-на ).Смесь фосфора с очищающим раствором интенсивно перемешивают 1,5-2 с при бО-ВО С. Получен37632614The invention relates to a process for the preparation of pure yellow phosphorus used to synthesize high quality derivatives. A known method of purification of phosphorus with concentrated sulfuric acid. The reaction of phosphorus with sulfuric acid lies in short-term contacting (1.5-2 s) of reagents with subsequent separation of them with water. The disadvantage of this method is phosphorus only FROM organic impurities. A composition for the purification of yellow phosphorus is known, which contains components in the following ratio, wt%: Sulfur trioxide 2-18 70% phosphoric acid 12-14.2 100% sulfuric acid. The rest: In a known method, the degree of purification of yellow phosphorus from iron is 87-93%. The aim of the invention is to increase the degree of purification from iron and organic impurities. This goal is achieved by using the sulfur dioxide trioxide to purify yellow phosphorus, 100%: yy sulfuric acid and 30% hydrogen peroxide, with the following content of components, wt.%: Sulfur trioxide 2.0-18 30% peroxide hydrogen 0.3-0.7 100% sulfuric acid Others Distinctive features are the additional content of 30% hydrogen peroxide and the ratio of components. These differences can increase the degree of purification from iron to 99.3%, from organic impurities to 99/9%. When yellow phosphorus is purified by a mixture with a hydrogen peroxide of less than 0.3 wt.%, The degree of phosphorus removal from iron decreases dramatically. A hydrogen peroxide content of more than 0.7 wt.% Leads to the formation of a large amount of sludge} b impurities in the purified phosphorus. Example 1 .. K; 1000 g of yellow phosphorus, containing 0.31% of organic impurities and 0.014% of iron, are added 2 g of sulfur trioxide, 0.3 g of hydrogen peroxide (30%) and 97.7 g of sulfuric acid (100%). The mixture of phosphorus with the cleansing solution is intensively stirred for 1.5–2 s with CBS. C. Received37632614
ную эмульсию разбавл ют водой, разде-0,004% органических примесей и 1,51бThis emulsion is diluted with water, section-0.004% organic impurities and 1.51b
л ют отстаиванием на фосфорный и кис-железа, лотный слои. Отмытый до нейтральнойThey are settled on phosphoric and ferric iron, lottery layers. Washed to neutral
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782576832A SU763261A1 (en) | 1978-01-23 | 1978-01-23 | Composition for yellow phosphorus purification |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782576832A SU763261A1 (en) | 1978-01-23 | 1978-01-23 | Composition for yellow phosphorus purification |
Publications (1)
Publication Number | Publication Date |
---|---|
SU763261A1 true SU763261A1 (en) | 1980-09-15 |
Family
ID=20747635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU782576832A SU763261A1 (en) | 1978-01-23 | 1978-01-23 | Composition for yellow phosphorus purification |
Country Status (1)
Country | Link |
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SU (1) | SU763261A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998056712A1 (en) * | 1997-06-09 | 1998-12-17 | Fmc Corporation | A method for extracting antimony from elemental phosphorus |
US6146610A (en) * | 1998-06-05 | 2000-11-14 | Fmc Corporation | Process for removal of arsenic from elemental phosphorus |
CN109607501A (en) * | 2019-01-16 | 2019-04-12 | 中州新材料(杭州)有限公司 | A kind of purifying technique of yellow phosphorus |
-
1978
- 1978-01-23 SU SU782576832A patent/SU763261A1/en active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998056712A1 (en) * | 1997-06-09 | 1998-12-17 | Fmc Corporation | A method for extracting antimony from elemental phosphorus |
US6146610A (en) * | 1998-06-05 | 2000-11-14 | Fmc Corporation | Process for removal of arsenic from elemental phosphorus |
CN109607501A (en) * | 2019-01-16 | 2019-04-12 | 中州新材料(杭州)有限公司 | A kind of purifying technique of yellow phosphorus |
CN109607501B (en) * | 2019-01-16 | 2021-01-15 | 中州新材料(杭州)有限公司 | Yellow phosphorus purification process |
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