. Sulfat kislota ishlab chiqarishda texnika xavfsizligi ..................................................53 I k k in c h i qism B O G ‘L A N G A N A Z O T T E X N O L O G IY A S I 2 -b o b . Am m iak sin tezi uchun azot ishlab c h iq a r is h .......................................................55 2.1. B og'langan azot birikm alarini ishlab chiqarish z a r u r a ti................................ 55 2.2. A zo tn in g tabiatda a y la n ish i.......................................................................................56 2.3. A tm osfera havosi a zo tin i b o g ‘lashning turlari va u s u lla r i............................. 57 419
2.4. K alsiy sianam idi olish n in g u s u lla r i....................................................................... 61 2.5. E lem en tar azotn in g xususiyatlari va b irik m a la ri..............................................64 2.6. B o g ‘langan azot ishlab chiqarish x o m a s h y o la r i............................................... 66 2.7. B og'langan azot ishlab chiqarish ko'lam lari va 0 ‘zbekiston R espublikasidagi k o r x o n a la r i............................................................................................ 70 3-b ob . A tm osfera havosidan azot va kislorod ishlab c h iq a r is h .................................74 3.1. H a v o n i ajratish u su lla ri............................................................................................... 74 3.2. Sovuqlikni o lish n in g nazariy a so s la r i....................................................................76 3.3. C huqur sovuqlik qurilm alari s ik lla r i..................................................................... 84 3 .3 .1 . Y uqori bosim li birlam chi drossellash effektidan foyd alan u vch i sikl
