Download Metal Extraction Processes and more Essays (university) Metallurgy in PDF only on Docsity! Deseadbe : 4 extraction. es Metals ?
Metals ae ob Ante fier |
eo th pean bw His fu sae ey
tom fo wl angus
: iy meh ol a oe Uv fia bxtachol
al Hy o vot. tha
Daidons once od ae is
Atbining ofthe motal alld Oietllbaggad
dhe actual procers Pi ieee 08 Letraction
[il Sai ae ci depeudy upon.
CB Natl ara
(ll) Nadu i" Pmpuaat
Gi Natine of ite metal to be extracted -
Fhe three main vAteps Mmvetved tn tho erhactin
yO) ery metal are:
(1) Coeentration or Enrichment oh the Or’.
(&) Extaattion De motel fem uae Ue
tine te pon ey ed af cad
es 6 Dts abre cabled ae
CD Chait Dea :
i) Elechomagretic Spars ton.
(Y) Chomical Aparath
Exthaction ot yn metal es
the
(b) REDUCTION €
ETAL EF THE METAL OXIDE Te
& modal One molretels Aattive then
prides cannot be Atoluced 4 age alone» wll
hol oxrley are Apobuced yo Gue
ctl Alaliaermr mg ag oe ae RNS “cia:
bails ly Acactive rial? Poke Hosa
ede. “Fhe Aboluction. of motel ie
cole (Carbo) wv folled ke
F203 08) +> Cts) > aARo) + 2COG)
Pore opuvele Coke Tam Carbo Ione rele
(Uaematite ne of Fe)
Znots) + 26) Het, Zn + CO)
Zinc ortla ‘Coke ime Carbon mon
Mno tr +4 ary Hat, 3Mn(l) + 9 Ab (5)
Manganeye olivate he ss ashld (eens hilum ote
£2, 0365) + Ales Sense, FeCl) + ALOs6)
Fanic oude Pitan Tam-(meld) Plumuradion ole *
dibs Atachion 6 Wnown as tht wnidk AtacHon aud
vb weal Arr eta the Bolion, Parts of Vor mactlineuy
Aailuay AAs pe
He Atduchow of metal OHA to miteal te
craft as) The Atducmg agent » called a5
Aluming thers «
atleast. (ha A ra de pg ef
(iii) Extraction of Hight, Aeattive mntals
Flr mbtaly being at the Be of the a
Beri, Like Patarion, Soolsum Cum), Magni
Pfumtotume Bat ae Néactive - “qhese sedis eat
ee Any the cn Manis ae el
ly onY alters. Cas
Gechchfge tthe, ps nd ee ark,
quate Ao na ie phase es Oy aback boy.
\
Ox on take. vented ps vides ot
oxides OC,
‘ Chesil Ga b "tall, Elec rie Seeluclion
pease tte ee sgt apy
(oxtatts as a. pow yd
angle to ute fh eee fi
metab oxtractel ts inh es aol
nol olonot Atgiire ae es ze
ales Pstied ee vloah dep prot 4
apne ie | 4, eoxtracted vote
of cAbrwale rt r_ Dyed supecively - Fes. xample,
a ) Elect nts, of Molten A rallline Chlowole:— Whia Nach
melts , ct Aplits info re Jors( Nat) and. chletrle
ong (Cl).
Nac Les) ad (a Na(l) + CL) |
Duing tlactslyfic seduchow of molten Nacl frotlow'
fae take Pare 4 ‘ 4 |
At Cathoole ; ‘ Nai () 46 te, Nats)
0 arte lo 5 (Sodltim mete notal °
De pve? iy oxidation, CL(Q) +e
Cll4) +C1(¢) — Cla (3).
dhs, iets atin hl i eet: Cae in weep
DOU met v at oe.
Wahi aa ites ome oak Rem
(t)) Eluctrctast of Molten: Muminumy pelle ( Ab0s) +
‘Als0, Bet ee Bow
Mi Cathade Bey 3 eduction py)
dotinn
At Proce: of cy) _Onidlation, OF) 4+ 367
0(4) + 0(4) —_4 Oo (4)
Ger aligns 5 pied af cated and Otggem guy bs fi te!
