SU166328A1 - F. A. B.-B. K. Mekhtieva and M. R. K. Sharifova Institute of Petrochemical Processes of the Academy of Sciences of the Azerbaijan SSR - Google Patents
F. A. B.-B. K. Mekhtieva and M. R. K. Sharifova Institute of Petrochemical Processes of the Academy of Sciences of the Azerbaijan SSRInfo
- Publication number
- SU166328A1 SU166328A1 SU862850A SU862850A SU166328A1 SU 166328 A1 SU166328 A1 SU 166328A1 SU 862850 A SU862850 A SU 862850A SU 862850 A SU862850 A SU 862850A SU 166328 A1 SU166328 A1 SU 166328A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- isobutylene
- sharifova
- mekhtieva
- academy
- sciences
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims description 10
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 8
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000010451 perlite Substances 0.000 claims description 2
- 235000019362 perlite Nutrition 0.000 claims description 2
- 238000005660 chlorination reaction Methods 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000003054 catalyst Substances 0.000 description 4
- KWISWUFGPUHDRY-UHFFFAOYSA-N 1-Chloro-2-methylpropene Chemical compound CC(C)=CCl KWISWUFGPUHDRY-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
Известен способ получени хлористого изокротила путем хлорировани изобутилена хлором при температуре от -60 до -f 150°С, однако хлористый изокротил получали как побочный продукт с весьма незначительным выходом .A known method of producing isocrothyl chloride by chlorinating isobutylene with chlorine at a temperature of from -60 to -f 150 ° C, however, isocrothyl chloride was obtained as a by-product with a very small yield.
С целью увеличени выхода целевого про дукта , представл ющего интерес дл производства термостойких полимерных материалов , предложен способ, согласно которому изобутилен хлорируют смесью хлористого водорода с воздухом в кип щем слое мелкодисперсного перлита при 300-500°С (оптимальна температура 450°С), мол рном соотношении изобутилена к хлористому водороду и воздуху , равном 1:1: 4,9-1 : 4 : 4 (оптимальное соотношение 1:3:4), и объемной скорости 640-360 (оптимальна объемна скорость 640 .In order to increase the yield of the target product of interest for the production of heat-resistant polymeric materials, a method has been proposed, according to which isobutylene is chlorinated with a mixture of hydrogen chloride and air in a fluidized bed of fine perlite at 300-500 ° С (optimum temperature 450 ° С), mole The ratio of isobutylene to hydrogen chloride and air is 1: 1: 4.9-1: 4: 4 (the optimal ratio is 1: 3: 4) and the space velocity is 640-360 (the optimum volume velocity is 640.
Пример. В качестве катализатора берут мелкодисперсный нерлит в объеме 225 см, высотой насынного сло 28,5 CMS, при длине реактора 130 см, диаметре реакционной части 2,5 см и верхней части 4,5 см. В качестве исходного сырь иснользуют изобутилен чистотой 99%, полученный с рославского опытного завода «ВНИИМСК, хлористый водород, полученный отнаркой технической сол ной кислоты, и воздух. 67,5 г изобутилена со скоростью 22,5 г/час, 147 г хлористого водородаExample. Fine-dispersed Nerlite in a volume of 225 cm, height of a saturated layer of 28.5 CMS is taken as a catalyst, with a reactor length of 130 cm, a diameter of the reaction part of 2.5 cm and an upper part of 4.5 cm. Isobutylene with a purity of 99% is used as a raw material, obtained from Roslavsky experimental plant VNIIMSK, hydrogen chloride obtained by distillation of technical hydrochloric acid, and air. 67.5 g of isobutylene with a speed of 22.5 g / hour, 147 g of hydrogen chloride
со скоростью 49 г/час и 155,4 г воздуха со скоростью 51,8 г/час с содержанием 12,5 г кислорода ввод т в реакционную зону прн 450°С в течение 180 лшн. Температура верхней части реактора 380-400°С. При этом вес катализатора 34,5 г, хлористого водорода из промывных вод 132,4 г, не вступившего в реакцию изобутилена 45 г, полихлоруглеводородов 0,5 г, продуктов горени в виде СОз 0,7 г свободного хлора нет.at a rate of 49 g / h and 155.4 g of air at a rate of 51.8 g / h with a content of 12.5 g of oxygen are injected into the reaction zone at 450 ° C for 180 hours. The temperature of the upper part of the reactor is 380-400 ° C. The weight of the catalyst is 34.5 g, hydrogen chloride from wash water 132.4 g, unreacted isobutylene 45 g, polychlorohydrocarbons 0.5 g, there are no combustion products in the form of CO2 0.7 g of free chlorine.
Физико-химические константы катализатора следуюшие: 1,4189; d2° 0,9146; т. кип. 50- 70°С.Physico-chemical constants of the catalyst are as follows: 1.4189; d2 ° 0.9146; m.p. 50-70 ° C.
Катализатор состоит из 2,22 г (6,4%) начальной фракции, 29,9 г (86,6%) хлористого изокротила н 1,88 г (5,2%) остатков.The catalyst consists of 2.22 g (6.4%) of the initial fraction, 29.9 g (86.6%) of isocrotyl chloride and 1.88 g (5.2%) of residues.
Выход хлористого изокротила на прореагировавший изобутилен доходит до 93,7%.The yield of isocrotyl chloride on the reacted isobutylene reaches 93.7%.
Предмет изобретени Subject invention
Claims (1)
Publications (1)
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