s aba bi C a S 0
3
ni ng e r u v ch a nl i gi C a S 0
4
ga n i s b a t a n ozligidir. A m m o
ni y sulfat e r i t m a s i 4 0 % g a y a q i n b o ‘lib kalsiy k a r b o n a t i d a n filtrlab
aj ra t ib o l i n a d i . E r i t m a s o ‘n gr a b u g ‘latiladi va kristall h ol a t g a keltiri-
ladi. A m m o n i y sulfatini g ips dan a m m o n i y k a r b o na t i o ‘rniga gaz la r —
a m m i a k va k a r b o n a n g i dr i d i y o r d a m i b il an olish h a m m u m k i n :
C a S 0
4
4
- 2 N H
3
+ C 0
2
+ H
2
0 - » ( N H
4
)
2
S 0
4
+ C a C 0
3
Bu g az usuli k a r b o n a t a m m o n i y n i n g s i n t e z q il is hni t al ab q il ma y,
t exnol ogi yas i b i r o z s o d d a b o ‘ladi, a m m o c h o ‘k k a n
kristal lar m a y d a
b o ‘lgani sababli f iltrlash j a r a y o n i a n c h a seki n ket adi .
4.3. SUYUQ AZOT 0 ‘G ‘ITLARI
S u y u q
0
‘g ‘itlar q a t t i q o ‘g ‘itlarga n i sb a t a n a r z o n va b a ’zi b ir ijobiy
x us us i y at l ar ga ega b o ‘lgani sababli yer ga ber ish o s onl igi, m e x a n i z a -
t si ya qi l is h q u l a y l i g i, t u p r o q d a b i r xil t a r q a l i s h i t uf ayl i q i s h l o q
x o ‘j al i g i da s a m a r al i q o ‘llaniladi. S u y u q az ot o ‘g ‘itlari
sifati da s uyuq
a m m i a k , a m m i a k n i n g suvdagi er itmasi, a m i a k a t l a r — azot t uzlar ining
s u y u q a m m i a k d a g i e r it m a s i ishlatiladi. S u y u q o ‘g ‘itlarni s a m o l yo t
y o r d a m i d a ye r ga sepi sh m u m k i n . A m m i a k n i n g va u n i n g suvdagi erit-
ma s i n i o ‘g ‘it si fat ida q o ‘llash, a m m i a k n i a z o t kislotasi va a m m o n i y
selitraga q a y t a i shlash j a r a y o n i n i b a j ar ishga h oj at b o ‘l maydi . B u n d a
t e x n o l o g i k sikl a n c h a q i s q a r g a n b o ‘ladi. S u y u q az ot o ‘g ‘itlaridagi
a z o t n i n g nar xi a m m o n i y selit radagi a z o t g a n i s b a t a n 35% g a a r z o n -
lashadi. S u y u q o ‘g ‘itlarni q o ‘l l as hn i ng ijobiy t o m o n l a r i d a n t ashqar i
s albiy t o m o n l a r i h a m b or . M a s a l a n , a g a r d a s u y u q o ‘g ‘it yu qo ri
k o n s e n t r a t s i y a l i b o ‘lsa, t e m p e r a t u r a p as ay is hi
b i l a n kristall hosil
b o ‘ladi, sa q la s h u c h u n k a t t a r e ze r v u a r l a r k e r ak b o ‘ladi, t u p r o q q a
ber ish u c h u n m a x s us q u r i l m a l a r yasash l ozi m. B a ’zi s u y u q o ‘g ‘itlar
t a ’si ri da m e t a l l a r k o rr o z i y ag a u c h r a y d i , s h u n i n g u c h u n q u r i l ma l a r ,
s aq l ov ch i r e ze r v u a r l a r q i m m a t b a h o m e t a l l a r d a n yasaladi. A m m i a -
k a t l ar a m m i a k b u g ‘iga ega b o ‘lgani sababli t u p o q q a ( 1 2 — 15 s m)
s ol i sh da m a x s us m a s h i n a l a r d a n f oyda la ni la di .
S u y u q a z o t o ‘g ‘i t la ri ni ng ishlab c h i q a r i s h n i n g t ex n ol o gi k s x e m a -
l a r i d a n e n g s o d d as i a m m i a k suvini ishlab c h i q a r i s h sxe ma s i hi so b-
l an ad i ( 4 . 8 - r a s m ) .
A m m i a k i shl ab c h i q a r i s h se x i da n 0 , 2 M P a
b o s i m b il an qalpoqli
t ar e l ka bil an j i h o z l a n g a n k o l o n na g a (3) yuboriladi. K o l o n n a n i n g past
qi smi quvur l i issiqlik a l m a s h g i c h d a n iborat. Bu y e r d a a m m i a k erishi
na t ij as ida aj ra l gan issiqlik suv b il an sovitiladi. Q u v u r orali g' idagi
b o ‘s h l i q d a n suv yurib, b er il ga n a m m i a k er iydi, q u v u r b o ‘s h li g‘iga
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