ZQT-s_Lab-is_AKROBATSHI.pdf

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ZQT-s_Lab-is_AKROBATSHI.pdf

leobiT mimdinare endoTermuli reaqciis tipuri magaliTia.

maRali temperaturis gamoyeneba aris endoTermuli

reaqciebis intensifikaciisa da sabooloo produqtis

warmoqmnis mxares wonasworobis gadaxris Ziri-

Tadi xerxi. maRal temperaturas didi mniSvneloba aqvs

myari reagentebis urTierTqmedebiT mimdinare procesebSi;

igi mTlianad an nawilobriv alRobs reagentebs (an

erT-erTs), rac mkveTrad adidebs difuziis siCqaresa da

fazaTaA Sexebis zedapiris farTobs.

sodisa da rkinis oqsidis urTierTqmedeba SesamCnevia

ukve 680 0 C-dan. reaqciis siCqare mkveTrad matulobs,

roca temperatura 851 0 C-mde, e. i. kazmis yvelaze

ufro advildnobadi komponentis – sodis – lRobis

temperaturis zeviT izrdeba. temperaturis garda (a)

reaqciis siCqareze moqmedebs reagentebis nawilakebis

zoma, rkinis oqsidis Tvisebebi, kazmSi sodisa da rkinis

oqsidis raodenobrivi Tanafardoba.

moreagire nawilakebis zomebis SemcirebiT izrdeba

reagentebis Sexebis zedapiri da mcirdeba Sigadifuzuri

winaaRmdegobebi, amitom kazmis dasamzadeblad iyeneben

wmindad daqucmacebul sodasa da rkinis oqsids

(nawilakebis zoma ara umetes 1 mm). gansakuTrebiT mni-

Svnelovania rkinis oqsidis wmindad dafqva, radgan igi

Secxobisas myar mdgomareobaSi imyofeba.

feritis warmoqmnis siCqareze Zalian moqmedebs

rkinis oqsidis reaqciis unari, rac damokidebulia minarevebis

Semcvelobasa da oqsidis marcvlebis zedapiris

ganviTarebaze. amitom gamoyenebuli rkinis oqsidi

unda Seicavdes ara nakleb 95% Fe2O3-s. axali rkinis

oqsidi araaqtiuria da mas specialurad amuSaveben: mas

mravaljer Seacxoben da gamotutaven sodis mcire da

15

TandaTanobiT mzard ulufebTan. Aamis Sedegad TiTqmis

orjer da ufro metad izrdeba rkinis oqsidis Sexebis

zedapiri marcvlebis forianobis gadidebis xarjze.

rkinis oqsidis Warbad aReba, uzrunvelyofs sodis

maqsimalurad gamoyenebas. es gamarTlebulia, radgan

rkinis oqsidi ar ikargeba da kvlav brundeba procesSi.

moqmed masaTa kanonis Tanaxmad kazmSi Fe2O3-is raodenobis

gadidebiT izrdeba sodis kaustifikaciis, anu

natriumis tuted gardaqmnis xarisxi. praqtikaSi erT

woniT nawil Na2CO3-ze iReben 2,5-3 nawil Fe2O3-s.

kazms acxoben 1100-1200

16

0C-ze horizontalur dolisebr

RumelSi, romelic brunavs 1-2 br/wT siCqariT. Rumels

acxeleben mazuTiT an airadi saTbobiT.

Senacxobs gamotutaven tutis xsnariT yalbZiriani

aparatebis batareaSi (difuzorebSi), romlebSic susti

tutexsnari moZraobs gamosatuti masis moZraobis

Semxvedrad, ris gamoc xsnaris koncentracia TandaTan

izrdeba. sabolood miRebuli xsnari Seicavs 300-400

g/dm3 NaOH-s.

Aam samuSaos mizania praqtikulad gavecnoT laboratoriul

pirobebSi sodasTan rkinis oqsidis Secxobisa

da Senacxobidan natriumis hidroqsidis gamotutvis

procesis Tanamimdevrobas, procesis reJimsa da

kontrols, ganvsazRvroT NaOH-is gamosavali temperaturis,

Secxobis xangrZlivobis, kazmSi Na2CO3-isa

da Fe2O3-s raodenobrivi Tanafardobisagan damokidebulebiT.

Nnaxazze mocemulia sodisa da rkinis oqsidis

Secxobis laboratoriuli danadgaris sqema.

Ddanadgari milovani eleqtroRumelia (1), romelSic

aTavseben kazmis wonakian rkinis an faifuris

navs; kaliumis tutis 40%-iani xsnariT Sevsebuli ori

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