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The document discusses various sources and characteristics of water, including its composition, hardness, and contamination. It explains the types of hardness in water, the effects of impurities, and methods for treatment and removal of hardness. Additionally, it covers the implications of water quality on industrial processes, particularly in boiler operations.
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Sousces , saypus ef aaapuai their ee
t “umpua ties amd i
trpraey and duteeminalion 1 Soller draules aes :
“COMMU, Amalysls and davakment +f wahir fer
clemestic .
bts at Jetson, Nomar!
chou [Lieection w . Mutod cLisporal
pen fo wie ted for Ae
voblom , oh
H20
“pretios & weuoaS suroutas on he plant vasth
way 4 tah surface aunounded by H20
"However 847: of tk dodeed tr sxean (Saline 0)
* Hand pooh oo 0.8% of weld Latin sources ou serefuel rd
duran vastivilies.
Sources of He0 +
Watyy wa Avurced yom vowlous matured sand akifrdel sources
‘ndushing f
—
ox
~
o
(ay 4 walce 3 Uiveu, Laks Maroy, Resauovis
(2) Ground Wativ =” Agquifeu ond Wells
@) Vrdipitatign > Rain, snow shut & hol
(9 Oceans = detination of ceawalir
sy Matting de > Glades ad viet-aep+
(0 Conduuotion Mais hue on air Collected through wathals Like der how
(2) Waker Rep > Reuuing Headed unileuader i ee Ce.
‘al Asie abrags 2 Dams ond waher cakchmand sytten .
(8) Upndewrourd stoveg, 2 Cuter & bonds
— — « satan pa papePp Pp»
Se 4 Ie Ge en pucwdler Gsher aids ay,
plidi + Aolted ortids thal
(8 Auspartel, Aol Se ead glee
(0) Aonte 4 Dirsolved
b) Nee fenke & undiclved
Ps ism
( Mivmorganire * Te rae opal
)
c)
(a)
©
)
wal dnanged in ph of
HA basic .
ot eaten walker.
= tater > Ca*?, Mg?) Nat, KY wit
ctlienide
ide ake
7 “Peosphate,
SN anionde nl
one Bitarbonater mi SOfpaee
ee
+ Raekerda, view , preboxoa, & algae hee
Unanniral Contamninank + Srelushsol palatal , pestiades , eile
plurmacudicals , woutheld chemivat
Orjance wadler + Quemposting plant & animal wotodal indding-
Auumnic & palate acids
Tabidity Usudinus comed pasties Jin suspension ushich
vam tndude both orgarte & inowyante motter.
Tats 2 Odour Compounds! Unemaited toast apeet ye tasks oF
twull 4 wokes .Svuh uo gee pd A compunds .
wr election \aiyproduada »
Heoy retlals + Towle eluents Ske Lead marcy , arene ¢
cadmium sbich cam accumulate in woter through
snodaval poms ev Industral afivitiy,
——wTere se ae
~~
‘
tHardness 4, woti *
| Wodir suhich dow nel pprodua, Lather with soap deemed ay
Hoard waler saproed 2
» Hardie 10 wally “sumed + ¥ Me salb Uke bicaddonater,
vurkenstus, Lulphate , chloride ete.
sHordwidler id ie dus to presnas minerals ike Ca and Ms .
Pray ae vet dneved or atperitid by sedimuntation or fiaetion.
swshn haved wilur macs with Sooh fives ard“ pessipiiol? »
2 Cig Hyg 'LOON 0 + Cat, Ca (G9 HygC00). Lt Noe
2 Calle WOND + My S04 — (Cn Has 0), g 1 t Masog
a eeu
and sehen out withot
\ Poduating lather,
/ “Types of Hardness
Tenjorony Hordiness Permanent Hardness
Yompossany Hordners iu dur to gt duu do the present
Whe freaunce a bi- carbonates “d unaides of suifaia FI
er val dum and Trognesivm. colitivn ag Maqmesiva
( Goi, mts) ( Ca, Mg,
Calico), —— Cota! + ol+ Wnt
Co(n Wh + taf 0H), > & Cath) Heo
‘“ean be umowed by vamniot be Atmoved doy
bol Ling
“Hordnens -vernovel 2s Harder verovel zs
hep enperuive
am tor removed
dratil Lome Waller se. fechniques
to prenipitole insoluble ke Lime sosla process, talib,
corhonote ,
lL oO
fon-e wesin Wwe
osmosis ete.
Aegur ol Hardnens +
“wu unit le whith Novdines Su anally, enprened krown 02 dlegree of Hordn
(a Woy equdalent> bez (dO, 4
S DON uy empresed in tery
precipidol .
Rruotuble Wave wolector werkt 100 & enaily
Gquivalurt of Lebengt oh subclones Co) x Rorsial er of fotos) #2
ening havdned
CdD;
Tekundeal eqyivalint of arden] xc 2
Produuing substorme
Rquivalunt of _ [etvength +, atone: aust coming (ery, it) ) X% 100
Cos, eae
[oon eyuivalont ied | hr hardness] X 9.
Proauusing bos
Unik 4 Hardnews
5
= - sleek port Cad, present pes raiiiionn (UP
7 qSoskte we wengre : |
: my {a= mo oh mg of ods preaudt in pu Sibre of Waker
SEL & m0: of eginndat park ceAPs present 90,000 rer of walt
+ FF ww of Gprobind put of COs predenk por Deno
port
|
4
r
r
’Wrelation *
4 ppm = dg/uit = OM Fr = 0-0F CL
4° f= 1D ppm = 10m | Lit = oF Ce
Aedemination of Hardmes + (Numerical)
ee
sch = N43 ppm = IB mg/g = 143 F4a 4
Bue A water sample contains the fovawing
(i) CoftCDs), = gos mg/L Wil Mg (110s) a = 95 y/x -
(i) Casog = serg/2 Mg (ete) = IS mg [4 »
Bi eng eC joog / 4
d poomarect } aa ppm
Ca dard xte ( temporary
leat ardun of w (temporary 2
Sal" Sop: Degee | ~tlavdness —~ tp Fg
mah
Hondo |e Set wohl | Me”
Qi i “4
“f Hardnes | wali factor
= Ca(Hs)y 203 162. 203 X00 Hvasryle
162
Ma (e0s)e 95 4g | a5 % 100s 6 svg /h
4G
+ Casog 136 136 nex 160 =loo %/)
oe x
aa iz
+ Mg (Ue) 5S go
De 95x 1 = [oOo fg,
* Cad
. u) Nd. K 1% = Joo m/h
2
* Cotutaion of al rota, Hovdnes? |
frosts plication {oxtor Ca(H ts), + rags) |
7 lias £65) mglA
= 190 wg ([I- ‘
‘
(Peemanint hardness
= Made + Casoq + Cada
loo + loo + 100
300 wa/A.
Toll = 300+ 190 > 4909/4.
in | mg [tik = Ors
‘1 "te = 10 ppm = lomg /ait =
“4'y = \+--3 ppm i 143mg /t
(Ge= (43 rpm
Uprm
> 490 ppm X 0-07 UNS y
496 ¢p X O21 = 49 “hy
0-07 cl,
o-4°ck
aie
ee erties eensBojer houbles %
at Yaed ah thdustvies & powes" atotion to queer Hem. stear
Unvesion of wala snty steam in boiler , He discalve
and stuporded acids ave pol Vemoved ,
+ AU Hu impuritien ave clpositien An form >, cuohe A shurslge
within the boiler ond causes boilex troubles .
. i Sty betley — Proble
4}, hod water divectly pee — Problim
= a7 ty ov
“(Caustic
rtm
wrt Hard addering.
wating on fim
fh Bote Reiley wall Oh boiler
(Stup4e) M1 | 7 {1 oy (one)St uae | SCALE
*Sopt, Joose B sti + + hard deposily-
mye AP
y
y
rn]
smon- adhount duposilg Aut | * sh vey founly be ier 4
woaily removed . Svafoe of boiler 2 diffu to a
¥
y
{|
1
{
Temove .
. osmed by aubstonce Jake + hormud Aubstonis 1 ke
Cac. , Mga , MgS0y 1% 900s du) CasOg , Mg (oH )2 7 A(HWs),
. formed ak vorposralively ' formed by usrepoarsttively, heated
COLDER, upootiens eh, boiler postion of boiler.
gal fhicenes tok less dangerous | > a 1 olbe chonas 8{ explosion . 4
+ vemoved by Mow-dnwn - can't be removed by blow down |
operation. opention .
troblem vowed sv bolle
y Sule and di pour wondustes 4, Asa A therefore
prevent ef\utive tooruler of, heatt to water.
® On Fru undition pexuive deak UB vequived to Inuvieary fuct
Unruunption |
Renova.
Beale fornaatien van bs pruvenked by inane tveakment Hack
involve addition of chamfual Ye the botler woles either te ppt
Ye cook fonning impurities Vn dng ch sludge as that Ey
tun bt vend ved ‘y blow down muhod ov to vmvet hom ith
Solube cowepourd +
@
SLotgen Treatment |
No, [Nou (P0:)¢) + of CaS0u _- No, [ean (P02) F |
So |uble oO Nes
Ceoatum meta
tune jhowphats)
B) thotphabe Yrestmunt
Bcatl, + {2Na,P0, | — CaP). b + Uo CL
MagSy + INa,POYy — 9 | POW) + SMO, S04
a bdr
+ Yormelion oan wa sleam su abled Leng)
uypivony LG ay
v
a hcgh Ho levat ymorhing yoo!
+ Casal by ——— prneres of foom on surfort
bial aeoun velodly 5
@ Foor
+ Sormation sh able foorn | bubble above surface of woder which
chen't wreak wasily wa called fooming .
‘Shere Aubble orried over by steam leading to enusive prrning
© Cd uy tow Jel af Heo an boiler
SS prewuu of club tmporitien Uke abkals raukal & otf
Tk sheen peducien vii
se te op reModuantone of jong
+ acto Aradaied af column vant be fudged»
* beiler prema con't be _ maininned «,
+ discolved alk in woler vasned by web steam vray danwoge
Yuible Bade or modune port.
feevention et fomag ©
“By addition of anti- {oo oy chereol ke cautery oll, yollio
aud, prdbctic palyarncels
+ rerwouing 6 from beller witit by adding. vempounds Re
wale! aluntnate "T L
> jy av_wy~neaxwxtaywv
() Cust trnbllamest +
tre phunemenwn in wllch Ure makeusl of 2 boiler
ewe brite duu to ccoumoti on + couatte
Substances.
ois Yype of Wovosion thot un vonaeeh due ty Jugh vrrcentoods on
4 Lodivm Vy daoeside (UoOH)
* comsed by te forination 4 ityequlor crave en Phe bailey
well experd a high teal ends auch as faints § beads
+ dperatocl an couutic envionment
* Guuphible motuialr such ar carbon eed
“Poskiculey chanical sheer Like concantvalrd hy drovide +
Tents shear around the osivetol Wels
Preuentin e+ Caustic SunbriWumnunt
* Manoginy deengY © patentiol + Arveiding the vse of ableal?
Ww Pae havdnett Q stro jwet —* Udbing Na P03 tne beac! 4
NaH lds a4 taphening agent ,Walia “ofb, 4
Waly "feening Milhud ( Extunad)
|
>
Lima Soda _saplite fun cnsbane
ereerere
rato
10 yearkion gnho duution ~
ple ue jou
Holk & told tome p' Codfonet
Process enchan gt caharidh gn
l anne A
Numerivod Types a frivdple
~ doug 6
Um Soda
ver Me chemical one oP
fainutple. & Liu-soda provess inve ; “he
ey all the chante hard et sala by
odditivn
wuld easily be vor
| gy Hur prmcens - woter te be
vemiount of Lime a0H) 2
sofpered Gy Ae
cana 60 Lee (Ma, Wz) .
ba 107.
for quick usrpluhion Wu veagied mmcy he wel 16
Yorchion of Line & hoda
ess
fermanent taletiom bardaess
Fenrwves als prutel 2 saber
na ni ‘ fore ‘ine’ abvsatnunt ave
! calum nimnavid “by toda
‘hawrdnesd Salve 7) et
fren ond dluminivm
colts ,
ee ee ee ee el lhl hl kl klk kkk kkk 8y
ia) Constituent Ca(tco,), Bomp Yerdnes) )
; Volts), > La(OH),, 9 Caldg LH Ha [Need Ml
, a ea carton 1
4
: ‘
a Mg (Hea) + CaloH Sas Ma (ow), + Canon '
me
)
CAH) (0H), |Fes manent Hardnes * AAS Ca- perrmansecl hongdns 11
: alana serneveof ty Soda,
Sy Ma" (my ty /Mg$0u) Le
_ MoH), + Catt | caso, ey
fot
Cat* + Na, Ww, eee ce.) poner. Wels]
2° incu :
Neap:-
@) HOO, (None) Permanent hordness -
eo HO, —-+ Colon), Fo Na,C0¢ [earT=3}
a . theo
fairies)
M ye 2261)
lolecisla iS
©. CO, + cacom, ————-* Cates Hoo
© 7 (Hey/ H04)
at 4 dH, 0
2 HT + €@ (ok), ——> & =
(Car Yas0u) oe
“tr a s fed LE:
Ge + No,w, ————> Catal F+ 20a
( ‘rfoluble) CMQAS0y / Mau)
D 0),
| ALCO), Co CoH),
Bat?
Al.Con), +t CAs0g.
«
2CrWs + Need 31.
- ee Need
geal? + wa, cy a oa
c
c@ Fe, $04
Felon, + Caseg
Fesog + Ca (Ohh
Eek) i
gutenel ie
YS OH), —R2H.0 402 _ ap Feo + C4809
ert
[Neel LFS
Case + MO2ls aN 6 called
Pg cat
) Ca
yO Ca"
» cat + Ca(OH, > ACM aie ed
»
~ a
me Nol 02 ( sodium meta lw inact) J
feet J
0H om
Mats +210 — = 4 (Mp TN
Bad)
Sodas
a
Gus Collate a quantity +f dime 4 odor raquitad for
selec sap) situ 9| alin. oe Hu following
per sibs
Ua (Heo3) 7 4-2
@ (Hw) = tng
fw Catoy = 153
i MySoy = ino
(4) MgCl = 3:0
“ Nah = 4.3m
~~~ ~~~ s5 7a eDOEGCCESAProcess t-
Calol himeSoda
tore
Het hime-Soda
Procesy
&
+ Deve at Roem ‘Jemperatine
«Rum au alow and fake
tows to complete .
+ frecipitoby iu firvly divided ,
wot coily act , wok eaully
fidtered. prherelove
Co are neducl
A tum* Sodium Mundninake
QNoAUe) ,
+ Yom ater dt Longe
. Ruidual Hardness 50 40 60 ppm
. Ui are orwwnud toy
)
)
>
>
>
.
J
2
»
~
~~
~
“e
S dinowed gas to, ee
+ Pore near the os ae
+ Fost 2 takes onlig 1S rinule
of wake
(4 eet 1506 tenp by steam)
+ WULt pruiptrate wsagulonky
nod reded .
So gp pa Deere RK a
+ Small and ur pak
\S to 307y~m
+ Wd Feniporc nordnen ave !
de “remavedcv poe, hyd cated! me & soda ash wed to wemove
m
\asrdness fre water.
(
(iy aoe c
Hydwritsel Lime & 4
ey,
= uid to vernove, bemporary drasrdiness of w )
Anas insoluble pet r
Co(HC03)o + Cal0H)2 ———? Bla Ws) + &heO ‘
«
Ma (HU). + 2 CaloH), ——— MOH). L + Mad T
2H20 ‘
salt &
= olan tute! FO Yemove pemanst hardin esa (m sium SOA e
‘rrpasilies only ) from water ‘
Ma Ch (a (0H)}2 ———" Mg (0H)2 J + Cade :
e
Mgs04 tf ta (0M), ———— Ma(onr L + Cas0g 2
Vrposhia ome
snot wernoved by *
i) Soda Ach & S\, linu method , :
Sodium vaabonab. (Nort) iv used to Fernove pommonert a
Avardness a wot whith Laud ky Mg S04 & MgCle wr (allo oe
Co 60g ~
Cad, tt Nar, Cod, Vt @ Nace ~«
(a 804 + No; os) + Nor S0q ~
Math + No, Mg. + @Nact ~
MgS04 + Neco, Mgco,) & No2S0 |
9 3 dy ~
~
~
~
'
~
~po ee
Thy amount a} Linu - Sodo requisecl ao we sofenhg Hy hard.
Wale can be caleutattcl by >
'
'
' Lime Peat Leora: 42% Lemp horde ' ees
Hugudrmen 100 Mend .
4 Ws equa
~~
™
Srda Lo hor’ +
0 106 avdnexs Cf leans
rr — waco, + Mgt + Mgso4 In
ssequisernen { \o0 4 Lath a “ 9 3 ss aa
equ |
a
4Ladle & Pree dimenvional siticate
+ Creek word
“Deane of store ine better Deter, |
“Leolitr ane wiraral Heat howe ® adipose chloe.
ha dum was ory ee tee ee
a Sucdish Tnsrolo gist Axel Pedavk” ol
i ann al mine
upon a rapidly hiding a
Stones began do dane ve he water evo poritel
mg the k woolk wtih rears Aton thot beth,
He called : his wnattrial teolite .
gubel
(Hod walker
Aolurtion IC
(ai)
Principle xustila swathed is bared on He vonvenion of
2 ¥Vve ipeitl) jews drongs into. “ve foru & VS ea
hongeal reli, rorvetteal into psitive ions y
. egtivey Jreuged verolclcx E (ea lL yp Godiva
» Gory owe athwhed — Cabrium 2 maqremn ion,’
wali displace Sedivnn lena -prhith aanoalits
—
Tu apporatiu wv mack ob uy
cur mand, sruidt af when eeollb gall kept
shaw wile rent fncide Hu appardtivs treough
posses Hhvough and tus chemical fon
in enahongs
. some time Keo i exhouratil te all Wa" fery ont
paplactel by Lat ev Met nv therefore will rok used ber
Soften the weiter, Hed
ine
nd vical readallte vessel several becls
let tha
xn takenati, bind wey changed hlosile. ten
vy ‘ Bonet ‘gra in ty water .
udhaidh au displaced by tes
Cvatrac)
Codium Coble t+ No, Odl0,- 4 S70, » H20
Sodium itt
Howlemits * Gana), , Als At Si) Si0,05, 0.
(O Ca (Ho,
a
vb) Mg(HOs), + Naz(e)——> Mg (2e) -- 2Van Or,
€
eo ing
(0 Gasog + No. (%) ——> Ca(ze) + Oey
(a) MgC :
)° Cau,
enhourld welts con be
x valid lay treating it with
“Ppa sf eolthe hire colulen (107 Nac ution)
Ate come Shine Leolike 2 vonveitdal into cateium 4
tlle ond Ut Loom codium ene
thot it gph enhousteal to uu the
pa ere nodwoler ia steep id tad af
udaiwned) pl the bod, my Dine woler oe
40% Noh satuiyn
+ Na, (Ze) ———> Ca(ze) + 2a,
ities0
Ga(xe) + 3M ————+ May (e) + Cade
(Exrausbg “719 27 ete ehrba
Limitations +
-can'+ Aumove He travdnexs of Turbid Waotor |
: Advantogu
* nmrointemn J A
* tan be operoks a
. Litilge Didn'r form eae
gp Fe oS r
PUTT Tee eee eI ESSty Huis proven cahons and avons ov vomplitdy removed by,
posuirg tmpur water Inf tuo diffrent elumns »
Fist ewluin contain sulphuric vacld veatn with oudic gmup
: ee Thu column 2 Known as cation cachange ea Oe
covions tte 26y—eke: cation
wats abe Not ete i
uses seuond column — uevtain rein with basle gy?
~ WRF oH" , St iit known os fia enchanas wean be ih evdhangus
onion uke UT, soi ete
Jon vachange resi >
v
aa
x
s
’
1
1
‘
:
up ike (
aA
7
Rewn ~SQH + Nat > sesh ‘s0;Not + H?
O Rein ~SOH + Car? > (vem 30s), Ca + aut
O Rusin GH a (seth 305), Mag 7 au?
yeste — NRO UT > Yan wefu™ t OH”
Ronroval of nt Pons from the asst column and orf Ten
from tee eevond aluma ead fo eee
Reprtion
udleun both dae slurs oe ercuutidl thon ful ea
(alum ote baal with ai ucke sulphuric anid or HOt (ger
Wt iow) ond aquest Naot! gure on tora) weal :
Co Hey our do weqpautedvasthod 2- ( Ly-fontzation muted ) F
Lon ethonys
0 Cation exchenge patina ( &- Leopropalins divingh Dens
eae a eee elem
; eric |
Soe* So. a
Oa et Oe Ve \
ot
2 ae
|
~
SosH™ Sout
|
— HW —Uu, — W— — WH — tH,
‘NMe, OH”
Gh -— cH Hy UL NMe 04”
ar
ann Meson se OFT(vesth -S0), a + aH
Yeas ~ S05) Hg
it} ——
PIReath~ SOY +
RHI Rew St FQea. Shani formaldehyde
w Abguudivingl benz >
earthen s-
Ca®t > & Ca + aut
(0 arut
| Mg” “4 aH?
Oo” >» ra t 0H”
4 20H
+
ww BRAT +
e) RoW +
4) ROH + SQA > 2,90,
Antoural stad Collening of wales ot
u q
Conditioning Bois
' -
[4 Colloidal Conditioning Crow prem baller) pitti ped,
% Phoephate ipodeinrs ae fle
aie scale )
moat aKa
$e Seon pe
“In High prasune boiler, tee mohion can be ausided ay
Phosphate conditioning . ‘by 99 Bind fo phosphake” which
suads with ordre of unto and ming rang soc
be Ht slodiy Cateium & ae ch com
berg
4c removed by “hiow don sporotion
3 Cac, yy Nox PO
[Sodium
]
CosP ou) | 6a3 Carbonate Cone itiontng 2 (mga Ne Faenmet acetate y
“Sn low prosove boler, scale fomonen can bo avoided day ¥
carbon ate tonditioniry. I
Bn. y
y
CoS0q + Na, CO; CoL0z) + Na,SOy 7
Fncoluale ,
Se Calgon Conditions *-
b Resa (Sodium henarnsta ohosphale) olo known 4 Calgon
Usd in lov psessure boiles.
=
Na, [Nou (POs) J —_—= Naw + [bouts Ove]
Calgon
LQCgsdy —* Nayhy Op
: Cay Og” + ANA, $y
5 Run wilh Sodium mela alurainits ( NoAL 02)
Rep ON Oe te Oe cee ALLOA), + OOH