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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title description 10
- 239000007789 gas Substances 0.000 title description 7
- 229910021529 ammonia Inorganic materials 0.000 title description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title description 3
- 239000004202 carbamide Substances 0.000 title description 3
- 238000004519 manufacturing process Methods 0.000 title description 3
- 238000000034 method Methods 0.000 title description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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
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