3. O ltingugurt d io k sid in i o l i s h ................................................................................................ 15 3.1. K o lch cd a n n i k u yd irish ................................................................................................ 16 3.2. O ltingugurtli x om ash yon i yondirishda ishlatiladigan p e c h la r ...................... 18 3.3. G a zn i aralashm alardan to z a la s h .............................................................................27 4. Sulfat k islota ishlab ch iqarishning kontakt u s u li........................................................ 30 4 .1 . O ltingugurt t o ‘rt ok sid in in g oksidlanishi. O ksidlanish jarayonining nazariy a s o s la r i....................................................................................................................... 30 4 .2 . O ksidlanish k a ta liza to rla ri........................................................................................ 33 4 .3 . K ontakt apparatlari...................................................................................................... 34 4 .4 . S 0 3 a b so rb siy a si.............................................................................................................39 4 .4 . Ishlab ch iq arish n in g za m on aviy texn ologik sxem alari. Ikkilangan
kontaktlashish (ik ) va ikkilangan absorbsiyalashish (ia ) s x e m a s i........................ 41 4.5. Sulfat kislota ishlab chiqarish jarayonini a v to m a tla sh tirish ....................... 47 5. N itro za u suli bilan sulfat kislota ishlab c h iq a r is h ..................................................... 50 5.1. Jarayonning nazariy a s o s la r i.................................................................................... 50 5.2. T ex n o lo g ik s x e m a ......................................................................................................... 51 6
