SU469316A1 - Method of obtaining nitrogen oxide - Google Patents

Method of obtaining nitrogen oxide

Info

Publication number
SU469316A1
SU469316A1 SU721831299A SU1831299A SU469316A1 SU 469316 A1 SU469316 A1 SU 469316A1 SU 721831299 A SU721831299 A SU 721831299A SU 1831299 A SU1831299 A SU 1831299A SU 469316 A1 SU469316 A1 SU 469316A1
Authority
SU
USSR - Soviet Union
Prior art keywords
experiment
nitrogen oxide
obtaining nitrogen
concentration
nitrite
Prior art date
Application number
SU721831299A
Other languages
Russian (ru)
Inventor
В.С. Шпак
А.М. Сухотин
Г.Л. Павлова
А.М. Гребеник
Л.С. Найденкова
В.Б. Нестеренко
Original Assignee
Предприятие П/Я В-8469
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 Предприятие П/Я В-8469 filed Critical Предприятие П/Я В-8469
Priority to SU721831299A priority Critical patent/SU469316A1/en
Application granted granted Critical
Publication of SU469316A1 publication Critical patent/SU469316A1/en

Links

Landscapes

  • Catalysts (AREA)

Description

(54) СПОСОБ ПОЛУЧЕНИЯ ОКИСИ АЗОТА пропускают с определенной скоростью над расплавом« охлаждают в холодильнике , где происходит конденсаци  NgOg, поступающего далее в приёмник. Газовый после конденсации NgO представл ет собой чистую окись азота. С 1 м зеркала расплава получают за 1 ч 1700 г и 100 г Но, Технологические параметры процесса , концентраци  нитрита натри  содержани.е ННОа, и NO в готовом продукте и средн   скорость голучени  NO приведены в таблице (опыт 1 Пример 2. Опыт провод т так же, как в примере 1, но при 55 Готовый продукт в этом случае представл ет собой смесь NgO с NO. В зависимости от скорости пропускани  паров получают большую или меньшую концентрацию NO в смеси. Па раметры процесса и результаты опыта приведены в (опыты 2 и 3) . Пример 3. Регенерацию отра ботанного восстановител  путем разложени  нитрата натри , полученного в опыте 2, провод т прокаливанием его при 650°С в течение 2 ч. Концентраци  NaHO2 в отработанном восРезультаты опытов по становителе составл ет 0,5%, а после регенерации - 10,5%. Полученную при регенерации нитрит-нитратную смесь используют в качестве восстановител  паров N,O. (см. таблицу, опыт 6), Пример 4. в качестве восстановител  используют чистый нитрит натри  99,0% (ГОСТ 4197-66 х,ч.). Процесс провод т при барботировании паров NgO. через слой расплава нитрита . Температура расплава, концентраци  в реакционном газе и содержание в нем примесей HNOg приведены в таблице (опыт 4). П ри м е р .5. в качестве восстановител  используют нитрит кали  (ГОСТ 4144-65). Процесс провод т так же, как в примере 1. Технологические параметры про-, цесса, концентраци  KNOg в смеси, содержание коррозионно-активных примесей в NjO до и после проведени  процесса его восстановлени , содержание NO в готовом продукте и средн   скорость получени  No приведены в таблице (опыт 5). No Од «о NO; . новлению(54) THE METHOD OF OBTAINING NITROGEN OXIDE is passed at a certain rate above the melt and is cooled in a refrigerator, where NgOg condensation takes place, which then goes to the receiver. The gas after condensation of NgO is pure nitric oxide. From 1 m of the melt mirror, 1700 g and 100 g of But are obtained for 1 h. The process parameters, the concentration of sodium nitrite are contained. E HNoa, and NO in the final product and the average gall rate of NO are shown in the table (experiment 1 Example 2. The experiment is carried out as in Example 1, but at 55 The finished product in this case is a mixture of NgO with NO. Depending on the speed of the vapor transmission, a greater or less concentration of NO in the mixture is obtained. Parameters of the process and the results of the experiment are given in (experiments 2 and 3) .Example 3. The regeneration of the spent reductant The loss of decomposition of sodium nitrate obtained in experiment 2 is carried out by calcining it at 650 ° C for 2 hours. The concentration of NaHO2 in the spent experiment is 0.5%, and after regeneration it is 10.5%. nitrite-nitrate mixture is used as a reductant of N, O vapors (see table, experiment 6), Example 4. Pure nitrite of sodium 99.0% is used as a reducing agent (GOST 4197-66 x, h). The process is carried out by bubbling NgO vapor. through a layer of melt nitrite. The temperature of the melt, the concentration in the reaction gas and the content of HNOg impurities in it are given in the table (experiment 4). For example .5. potassium nitrite is used as a reducing agent (GOST 4144-65). The process is carried out as in Example 1. The technological parameters of the pro- process, the concentration of KNOg in the mixture, the content of corrosive impurities in NjO before and after carrying out the process of its reduction, the content of NO in the finished product and the average production rate of No are given in table (experiment 5). No Od "o NO; . novelty

SU721831299A 1972-09-26 1972-09-26 Method of obtaining nitrogen oxide SU469316A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU721831299A SU469316A1 (en) 1972-09-26 1972-09-26 Method of obtaining nitrogen oxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU721831299A SU469316A1 (en) 1972-09-26 1972-09-26 Method of obtaining nitrogen oxide

Publications (1)

Publication Number Publication Date
SU469316A1 true SU469316A1 (en) 1979-03-05

Family

ID=20527814

Family Applications (1)

Application Number Title Priority Date Filing Date
SU721831299A SU469316A1 (en) 1972-09-26 1972-09-26 Method of obtaining nitrogen oxide

Country Status (1)

Country Link
SU (1) SU469316A1 (en)

Similar Documents

Publication Publication Date Title
US2798878A (en) Preparation of graphitic acid
JPH034493B2 (en)
SU469316A1 (en) Method of obtaining nitrogen oxide
GB1229107A (en)
US1717951A (en) Method of producing nitrosyl halide
US1965400A (en) Method for the production of alkali metal nitrate
US2041504A (en) Process for the production of nitrates
US5593651A (en) Conversion of SO2 gaseous effluents into solutions of ammonium or alkali/alkaline earth metal bisulfites
US3734709A (en) Process for the production of chlorine, sodium bicarbonate and ammonium-sodium nitrate
SU1432001A1 (en) Method of producing pure gaseous fluorine
US3460918A (en) Method of chlorinating metals with carbon tetrachloride and carbon dioxide
US2004663A (en) Method of utilizing the nitrogen in nitrosyl chloride
US2330114A (en) Method of making chlorine
SU418449A1 (en)
US2805122A (en) Process for producing ammonium nitrite
SU1212948A1 (en) Method of producing sodium nitrate
SU453089A1 (en) Method of saparating vanadium
RU2030468C1 (en) Method of molybdenum disulfide producing
SU1204565A1 (en) Method of producing copper monochloride
SU698917A1 (en) Composition for preparing nitrous oxide
US907332A (en) Process of purifying nitrite solutions.
SU394300A1 (en) METHOD FOR CLEANING GAS FROM NITROGEN OXIDES
US3798312A (en) Process for preparation of chlorine nitrate
SU1507733A1 (en) Method of producing sodium nitrate
SU741920A1 (en) Method of cleaning gases from hydrargyrum