SU601224A1 - Method of absorbing ammonia from tail gases of urea production - Google Patents
Method of absorbing ammonia from tail gases of urea productionInfo
- Publication number
- SU601224A1 SU601224A1 SU721848382A SU1848382A SU601224A1 SU 601224 A1 SU601224 A1 SU 601224A1 SU 721848382 A SU721848382 A SU 721848382A SU 1848382 A SU1848382 A SU 1848382A SU 601224 A1 SU601224 A1 SU 601224A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- urea production
- tail gases
- absorbing ammonia
- ammonia
- absorber
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
прессора, предназначаемого дл подач) дзуокиси .ут.черода з |коло:})ну синтеза .мочезйны.pressor intended for submission) zuoksi. ut.choda z | kolo:}) well synthesis.
Пр ИЛ1 е р. В абсорбер аммиака лостулает газовой ПОТОК из узла конденсации под дазлением 17 кгс/см с телтературой 37° С, со. держащий 39,1 кг NHs, 1,1 кг Нп, 9,2 кг О2 и 5,1 кг No. Абсорбер оборудовал теллообме:-к-1 KOiM , через 1который циркулирует охлаждающа вода. Томператугра в абсорбере 40 С. На орошение абсо;роера лодзют «оггле-нсат пагоа высоколо давлени ., ооае(ржа1ций 37,5 кг НоО, 0,2 кг NFIa л 0,1 кг oчesины. С целью и нтенснфи ,к.а|Ци,и процесса .и разбазлеии отход щих газов в а, подают 284,6 кг СОг, в том числе в зо,ну а-бсорбц и 13,7 кг а в сепарашюнный объем 270,9 кг. ВзедениеСО2 в абсорбцлон1; ую зону лоззол ет приблизительно з полтора раза сократить расход воды на oipomeНие аппарата. Из абсорбера вывод т в промывную колонну pacTBOip, содержащий 39,3 кг NHa, 13,7 кг COz, 0,1 кг .мочевины, 37,5 кг НгО. По. ток отход щих газов имеет следующий состав, кг: СОз 270,9; Нг 1,1; О29,2; NjXl.Pr IL1 e p. In the ammonia absorber, a gas STREAM is placed from the condensation unit under a bed of 17 kgf / cm with a 37 ° C tel., C. holding 39.1 kg NHs, 1.1 kg NP, 9.2 kg O2 and 5.1 kg No. The absorber equipped the tellobme: -K-1 KOiM, through which cooling water circulates. The temperature of the temperature in the absorber is 40 C. The irrigation of the abs; the roeur is boosted with “oggle-nsat pago-high pressure.” Oooe | Qi, and the process. And the expansion of waste gases into a, serves 284.6 kg of CO2, including Zo, well, and 13.7 kg, and a separate volume of 270.9 kg. DischargeCO2 into absorber 1; The area of water was reduced by approximately one and a half times to reduce the water consumption per oipome of the apparatus.The pacTBOip containing 39.3 kg of NHa, 13.7 kg of COz, 0.1 kg of urea, 37.5 kg of NgO was removed from the absorber into the washing column. The exhaust gas flow is uyuschy composition, kg: cos 270.9; H 1.1; O29,2; NjXl.
Указанна газова смесь не взрызооласна « характеризуетс BbrcoiKHM (выше 50%) запасом This gas mixture is not vzredozolasna "characterized by BbrcoiKHM (above 50%) stock
надежности по содержанию -кислорода. Этот лотОК направл ют далее в узел очистки «оае-ертирозанного газа пр01 эводст1ва аммиака дл реген-ерации дзуокисИ углерода.reliability of the content of oxygen. This lot of OTO is sent further to the purification unit of the "oa-erthyrosed gas of the production of ammonia with the use of ammonia for the regeneration of carbon dioxide."
Формула и 3 о б р е т е н и Formula and 3 optics
СлссОб поглощени аммиака из хвостовых газов произзодства моче1з;п Ы лутем ;;5сорбции -в .присутствии флегматизатора, отличающийс тем, что, с целью повыиени безопасности ведени процесса, в качестве флелматизатора примен ют двуО;К} сь углерода в соотношени-и 6,0-6,5 объемсв ,С02 на 1 объем х;востовых газов.The absorption of ammonia from the tail gases of the production of urine; absorption is absorption in the presence of a phlegmatizer, characterized in that, in order to improve the safety of the process, carbon dioxide is used in the ratio of carbon in ratio -6, 0-6.5 volumes, CO2 per 1 x volume; eastern gases.
Источники информации, прин тые во iBHHЛ5ание при экспертизе:Sources of information taken in iBHH55 during examination:
1.Кучер вый В. И. и Лебедев В. 3. С-:;:тез и применение карбамида. Л., «Химк. , 1970, С. 196.1.Kuchery V.I. and V. Lebedev. 3. С -:;: mes and the use of urea. L., “Khimk. 1970, p. 196.
2.Неупокоез Г. И. и Ибрагимов Ф. X. Хими и технологи азотных удобрений. Труды ГИАП, вьш. П. ч. 1, ОНТИ. ГИАП. М,. 1969, с 41.2. Neupokoyoz G. I. and Ibragimov F. Kh. Chemistry and technology of nitrogen fertilizers. Proceedings of GIAP, l. P. h. 1, ONTI. GIAP. M ,. 1969, from 41.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU721848382A SU601224A1 (en) | 1972-11-14 | 1972-11-14 | Method of absorbing ammonia from tail gases of urea production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU721848382A SU601224A1 (en) | 1972-11-14 | 1972-11-14 | Method of absorbing ammonia from tail gases of urea production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU601224A1 true SU601224A1 (en) | 1978-04-05 |
Family
ID=20532647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU721848382A SU601224A1 (en) | 1972-11-14 | 1972-11-14 | Method of absorbing ammonia from tail gases of urea production |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU601224A1 (en) |
-
1972
- 1972-11-14 SU SU721848382A patent/SU601224A1/en active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4405586A (en) | N-Secondary butyl glycine promoted acid gas scrubbing process | |
| GB1299666A (en) | Process for the reactivation of a catalyst | |
| US4434144A (en) | Absorption of CO2 and/or H2 S utilizing solutions containing two different activators | |
| ES332378A1 (en) | A procedure for the elimination of acid gases of gaseous mixtures. (Machine-translation by Google Translate, not legally binding) | |
| SU601224A1 (en) | Method of absorbing ammonia from tail gases of urea production | |
| GB1285588A (en) | Improvements in or relating to the purification of gaseous effluents | |
| GB1308412A (en) | Purification of polyglycerols | |
| GB1288309A (en) | ||
| GB1302593A (en) | ||
| GB1413521A (en) | Processes for purifying gases containing hydrogen cyanide | |
| US5593651A (en) | Conversion of SO2 gaseous effluents into solutions of ammonium or alkali/alkaline earth metal bisulfites | |
| GB1131906A (en) | Method of synthesizing urea | |
| SE7608335L (en) | URBAN CONDENSATION PROCEDURE IN URBAN SYNTHESIS SYSTEMS | |
| SU384530A1 (en) | METHOD FOR CLEANING CARBON DIOXIDE GAS FROM HYDROGEN | |
| SU1063445A1 (en) | Method of cleaning gases from carbon dioxide | |
| GB220651A (en) | Improvements in the removal of carbon monoxide from gaseous mixtures by means of ammoniacal cuprous solutions | |
| SU394300A1 (en) | METHOD FOR CLEANING GAS FROM NITROGEN OXIDES | |
| SU1494945A1 (en) | Method of cleaning natural gas from dioxide | |
| GB1287548A (en) | A process for purifying waste gases from the production of ammonium nitrite and re-using them for the production of ammonium carbonate | |
| SU464321A1 (en) | The method of cleaning gases from acidic components | |
| SU392958A1 (en) | METHOD FOR CLEANING EXHAUST GASES FROM NITROGEN OXIDES | |
| SU1662647A1 (en) | Method of cleaning flue gases from nitrogen (ii) oxide | |
| SU363508A1 (en) | ||
| ES8202318A1 (en) | Procedure of simultaneous obtaining of nitric acid of concentrations higher and below azeotropic (Machine-translation by Google Translate, not legally binding) | |
| SU978899A1 (en) | Method of cleaning gases from hydrogen sulphide |