ZQT-s_Lab-is_AKROBATSHI.pdf

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ZQT-s_Lab-is_AKROBATSHI.pdf

des bzarebi da forebi; e) ar unda iSlebodes xsnarebisa

da airebis moqmedebiT, romlebsac exeba igi eqspluataciis

dros; v) ar unda Seicavdes iseT naerTebs,

romlebmac SeiZleba gaafuWon sakvebi produqtebis xarisxi.

minanqris danafaris xarisxi damokidebulia mis

fizikur da qimiur Tvisebebze, im liTonis xarisxze,

romelzedac aris dafenili, mominanqrebis teqnologiuri

procesis yvela operaciis sworad warmarTvaze.

minanqris fizikur-qimiuri Tvisebebi misi qimiuri

Sedgenilobis funqciaa. umniSvnelovanesi Tvisebebia gafarToebis

koeficienti, dnobis temperatura, siTbotevadoba,

Termuli mdgradoba da simkvrive. gansakuTrebiT

mniSvnelovania minanqris gafarToebis koeficienti. Tu

igi aRemateba liTonis gafarToebis koeficients minanqris

fenaSi warmoiqmneba Tmisebri bzarebi, xolo Tu

naklebia – minanqari Sordeba liTons. praqtikulad minanqris

gafarToebis koeficienti farTo zRvrebSi icvleba

– 270·10 -7 -dan 340·10 -7 -mde.

foladis minanqriT dafarvisa da

danafaris gamocdis meTodika

1. nakeTobis momzadeba mominanqrebisaTvis. nakeTobis

zedapiris xenjisa da organuli WuWyisagan gasawmendad,

agreTve liTonSi daWimulobaTa gasaTanabreblad,

mas gamowvaven mufelian eleqtroRumelSi 850-

860 0 C-ze 3-5 wT-is ganmavlobaSi. ufro dabal temperaturaze

cximebi da zeTebi SeiZleba mTlianad ar amoiwvas,

ufro maRalze ki iqmneba nakeTobis Zlieri deformaciisa

da sqeli, amoWmis dros Znelad xsnadi xenjis

warmoqmnis saSiSroeba. xenjis kargad mocilebis

81

mizniT gamowvamde firfitebs asveleben HCl-is an

NH4Cl-is 5%-iani xsnariT, nimuSebs RumelSi aTavseben

specialur sadgamze ise, rom haeri exebodes mTel zedapirs.

gamowva damTavrebulad iTvleba roca nimuSi miiRebs

Rumlis wiTlad varvarebis fers 650-850 0 C-is

intervalSi. gamowvis Semdeg nimuSebi unda gacivdes

sadgamze. kargi gamowvis niSnad iTvleba mowiTalo-Sokoladisferi

xenji, romelic advilad cildeba firfitas.

xenjis moSorebis Semdeg firfitas asufTaveben

HCl-is 20%-iani xsnariT oTaxis temperaturaze. gasuf-

Tavebis procesSi mJava urTierTqmedebs rkinasa da rkinis

oqsidebTan da warmoiqmneba xsnadi marilebi, agreTve

xdeba xenjis meqanikurad mocileba liTonis zedapiridan

reaqciis procesSi gamoyofili wyliT:

82

FeO + 2HCl → FeCl2 + H2O; (a)

Fe2O3 + 6HCl → 2FeCl3 + 3H2O; (b)

Fe3O4 + 8HCl → FeCl2 + FeCl3 +4H2O; (g)

Fe + 2HCl → FeCl2 + H2. (d)

gasufTavebis procesSi wyalbadi aRadgens samvalentiani

rkinis marilebs orvalentianamde:

2FeCl3 + H2 → 2FeCl2 + 2HCl. (e)

(b) da (g) reaqciebi Zlier nela mimdinareobs,

radgan Fe2O3 da Fe3O4 mJavebSi sustad ixsneba.

amoWmis Semdeg nimuSs recxaven wyliT; muqi

feris nadebs aSoreben CvriT, Semdeg Carecxaven gamdinare

wyliT da gaaneitraleben Na2CO3-is 1%-iani cxeli

xsnariT. ganeitralebis xangrZlivoba 3-5 wuTia. nei-

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