Wastewater Treatment: Chemical Precipitation

7/23/2019 Wastewater Treatment: Chemical Precipitation

1/34

@jgif`bl S}g`fsfubufkn

E}. Bagsbuf P. ]geevBppk`fbug S}kdgppk}, Ujbsb} Wnftg}pfuv

Egsu. Mfkug`jnklkov $ Gntf}knignubl P`fgn`gp

Sbufblb *SWNHBM& )25? 335FNEFB


2/34

@jgif`bl S}g`fsfubufkn

Fntkltgp beefufkn kd `jgif`blp uk blug} sjvpf`bl pubug kdefppkltge bne pwpsgnege pklfep bne }giktbl mv pguulfno

Wpge dk} Fis}ktfno ujg sg}dk}ibn`g kd s}fib}v pguulfno db`flfufgp

]giktbl kd sjkpsjk}wp bne jgbtv igublp

Fis}ktfno sg}dk}ibn`g kd s}fib}v pguulfno db`flfufgp

Mv `jgif`bl s}g`fsfubufkn `lgb} gddlwgnu egtkfe kd pwpsgnegebne `kllkfebl pklfep `bn mg kmubfnge

Rwbnufuv kd `jgif`blp wpge bne `b}g kd s}k`gpp `knu}klbddg`u ujg ego}gg kd `lb}fdf`bufkn kmubfnge

@kiiknlv wpge `jgif`blp fn`lweg

Blwi ) Bl=*PK5&0.2:J=K *k} 25 J=K&, Blwifnwi `jlk}feg )Bl@l0

@bl`fwi jve}kzfeg @b*KJ&= Dg}}f` `jlk}feg ) Dg@l0, Dg}}f` pwldbug ) Dg=*PK5&0, Dg}}kwp

pwldbug ) DgPK5.?J=K

Pkefwi blwifnbug ) Nb=Bl=K5


3/34

Fis}ktfno sg}dk}ibn`g kd s}fib}v

pguulfno db`flfufgp

Blwi bne blwifnwi `jlk}feg

Blwi }gb`up fuj ujg `bl`fwi bne ibongpfwi mf`b}mknbug blablfnfuv

kd bug} bne dk}ip blwifnwi jve}kzfeg s}g`fsfubug

Blwifnwi `jlk}feg beefufkn blpk dk}ip pfiflb} s}g`fsfubug

Fnpklwmlg blwifnwi jve}kzfeg dk}ip oglbufnkwp dlk`p ujbu pguulgplklv, pggsfno kwu pwpsgnege ibug}fbl

Gtg}v 23 o}bip kd blwi beege }grwf}gp 5.7 o}bip kd blablfnfuv *bp@b@K0&

Fd pwddf`fgnu blablfnfuv fp nku btbflbmlg, lfig fp beege uk ujgbpugbug}

KJ@K@bPKKJBlKJPKBlJ@K@b ==50=05==0 2:40&*=2:.&*&*0


4/34

Lfig *`bl`fwi jve}kzfeg&

_jgn pwddf`fgnu lfig fp beege ujgn `b}mknf` b`fe bne `bl`fwimf`b}mknbug fll s}g`fsfubug bp `bl`fwi `b}mknbug

Dk} ujg s}g`fsfubufkn uk k``w} ifng}bl b`fep bne b`fe pblupiwpu mg df}pu ngwu}blfxge dk} ujg s}g`fsfubufkn dk}ibufkn

Dg}}kwp pwldbug

Fn ikpu `bpgp, fu pjkwle mg beege blkno fuj lfig

]gb`up fuj `bl`fwi mf`b}mknbug kd bpugbug} bne dk}idg}}kwp mf`b}mknbug bne `bl`fwi pwldbug *pklwmlg&

Fis}ktfno sg}dk}ibn`g kd s}fib}vpguulfno db`flfufgp

KJ@b@KKJ@b@KJ =0=0= =&*

KJ@b@KKJ@bJ@K@b =0==0 ==&*&*

KJ@bPKJ@KDgJ@K@bKJDgPK =5=0=0=5 ?&*&*?.


5/34

Dg}}kwp pwldbug

Dg}}kwp mf`b}mknbug fn uw}n efppk`fbugp fnuk dg}}kwpjve}kzfeg bne `b}mkn efkzfeg

233 o}bip kd blablfnfuv ibv mg nggege dk} ujg s}g`fsfubufkn kd =?:o}bip kd dg}}kwp pwldbug fn `bpg kd lk blablfnfuv, lfig fp beege

Dg}}kwp mf`b}mknbug `kimfngp fuj lfig bne dk}i dg}}kwpjve}kzfeg bne `bl`fwi `b}mknbug

Efppkltge kzvogn kzfefxgp ujg dg}}kwp jve}kzfeg fnuk dg}}f`

jve}kzfeg *jf`j dk}ip fnpklwmlg&, mwlav oglbufnkwp dlk`

Gtg}v 23 o}bip kd dg}}kwp pwldbug beege ibv }grwf}g 0.4 o}bip kdblablfnfuv, 5 o kd lfig bne bne 3.=6 o}bip kd kzvogn

Dg}}kwp pwldbug fp nku `kiiknlv wpge fn bpugbug} u}gbuignu

===0 &*&* @KKJDgJ@KDg

KJ@b@KKJDgKJ@bJ@KDg =0===0 ==&*&*=&*

0=== &*=

2

5

2&* KJDgKJKKJDg



6/34

Dg}}f` `jlk}feg @kimfngp fuj `bl`fwi mf`b}mknbug bne dk}ip dg}}f` jve}kzfeg

*fnpklwmlg&, `bl`fwi `jlk}feg *pklwmlg& bne `b}mkn efkzfeg

Gb`j o}bi kd dg}}f` `jlk}feg }grwf}gp 3.6=7 o}bip kd blablfnfuv

Dg}}f` `jlk}feg bne lfig Dg}}f` `jlk}feg }gb`up fuj `bl`fwi jve}kzfeg *lfig& uk dk}i dg}}f`

jve}kzfeg bne pklwmlg `bl`fwi `jlk}feg

Gb`j o}bi kd dg}}f` `jlk}feg ibv }grwf}g 3.72: o}bip kd lfig

Dg}}f` pwldbug bne lfig

Dg}}f` pwldbug }gb`up fuj `bl`fwi jve}kzfeg uk dk}i dg}}f`jve}kzfeg bne pklwmlg `bl`fwi pwldbug

Gb`j o}bi kd dg}}f` pwldbug }grwf}gp 3.5= o}bip kd lfig

==0=00 40&*=&*0= @K@b@lKJDgJ@K@bDg@l

=0=0 0&*=&*0= @b@lKJDgKJ@bDg@l

50=05= 0&*=&*0&* @bPKKJDgKJ@bPKDg



7/34

Ego}gg kd `lb}fdf`bufkn b`jfgtge egsgnep kn

rwbnufuv kd `jgif`blp wpge

ifzfno ufig

`b}g ubagn dk} s}k`gpp iknfuk}fno bne `knu}kl

Uvsf`bllv :3)63' kd pwpsgnege pklfep *blpk pkig `kllkfeblpklfep&, 73):3' kd MKE bne :3)63' kd mb`ug}fb b}g}giktge

_gll ksg}buge s}fib}v pguulfno ubna oftgp bmkwu 73)?3' UPP}giktbl, =7)53' MKE }giktbl, $ =7)?7' mb`ug}fb }giktbl

Dk} `lb}fdf`bufkn kd tb}fkwp `jgif`bl pwpsgnpfknp ktg}dlk}bugp fn ujg pguulfno ubnap `bn mg fn ujg }bnog kd 03)?3i0+i=.ebv *:3 i0+i=.ebv dk} sgba dlk&

dk} lfig dlk` ujg ktg}dlk }bnog `bn mg 07):3 i0+i=.ebv *63i0+i=.ebv dk} sgba dlk&



8/34

Sjvpf`k)`jgif`bl u}gbuignu `bn mg blug}nbuftg uk mfklkof`blu}gbuignu dk} iwnf`fsbl bpugbug}, mwu pwddg}p d}ki

Lbà kd `knpfpugn`v fn iggufno ujg efp`jb}og }grwf}gignup

Jfoj `kpup kd `jgif`blp

Jbnelfno bne efpskpbl kd o}gbug} tklwigp plweog

Nwig}kwp ksg}bufknbl s}kmlgip

S}g`fsfubuge bpugbug} bdug} `lb}fdf`bufkn fn pguulfno ubna ibv}grwf}g

]g`b}mknbufkn *psg`fbllv fd lfig fp wpge&

Dflu}bufkn dk} }giktfno ujg }gpfewbl dlk`p

Bùftbuge `b}mkn `klwin dk} }giktfno efppkltge k}obnf``kiskwnep

Kwuswu d}ki ujg bùftbuge `b}mkn `klwin fp wpwbllv

`jlk}fnbuge s}fk} uk efp`jb}og fnuk }g`gftfno bug}p



9/34

Gpufibufkn kd plweog tklwig d}ki ujg `jgif`bl s}g`fsfubufknkd wnu}gbuge bpugbug}

Gpufibufkn ibv fntkltg ujg dkllkfno8

Ibpp kd UPP }giktge

Ibpp kd s}g`fsfubufno `jgif`bl beege

Ibpp kd lfig beege uk db`flfubug dlk` dk}ibufkn

Ibpp kd `jgif`bl plweog dk}ige

Ibpp kd ujg ukubl plweog ogng}buge

@knpfpugn`v kd ujg plweog ogng}buge

Tklwig kd ujg ukubl plweog ogng}buge

Fis}ktfno sg}dk}ibn`g kd s}fib}v

pguulfno db`flfufgp


10/34

]giktbl kd Jgbtv Igublp bneEfppkltge Fnk}obnf` Pblup

Igublp kd fnug}gpu b}g b}pgnf`, mb}fwi, `beifwi, `kssg},ig}`w}v, nf`agl, pglgnfwi bne xfn`

@jgif`bl s}g`fsfubufkn, bepk}sufkn, fkn gz`jbnog bne }gtg}pgkpikpfp `bn mg wpge dk} igubl }giktbl

]giktge bp jve}kzfeg bne+k} pwldfeg bne pkigufigp bp`b}mknbug s}g`fsfubugp

@bn mg }giktge pgsb}buglv k} `k)s}g`fsfubuge fujsjkpsjbug

Dk} s}g`fsfubufkn bp jve}kzfegp lfig+`bwpuf` fp beege uk

behwpu sJ uk ifnfiwi igubl pklwmflfuv *tb}fgp fuj igubl& Lk`bufkn kd ifnfiwi pklwmflfuv blpk tb}v fuj bne egsgne kn

ujg `knpufuwgnup fn ujg bpugbug}

Ifnfibl `kn`gnu}bufkn fn gddlwgnu egsgnep kn `kn`gnu}bufknbne nbuw}g kd k}obnf` ibuug} bne ugisg}buw}g

Lbmk}buk}v mgn`j p`blg k} sflku p`blg ugpufno fp nggege


11/34


12/34

S}g)u}gbuignu uk }giktg fnug}dg}fno pwmpubn`gp *`vbnfeg bnebiiknfb& fp kdugn ng`gppb}v dk} gddf`fgn`v

Dk}i `kislgzgp fuj ibnv igublp bne lfifu }giktbl

@vbnfeg `bn mg }giktge mv blablfng `jlk}fnbufkn, `bublvuf` kzfebufknkd `b}mkn ) nku gddg`uftg dk} bpugbug} fuj nf`agl k} pfltg}

Dg}}k`vbnfeg fp kzfefxge uk dg}}f`vbnfeg *}gpfpup dw}ujg} kzfebufkn&

Biiknfb `bn mg }giktge mv pu}fssfno, m}gba skfnu `jlk}fnbufkn

Jgzbtblgnu `j}kifwi iwpu mg }gew`ge uk u}ftblgnu `j}kifwi s}fk}uk s}g`fsfubufkn fuj lfig

B}pgnf` bne `beifwi `bn mg mguug} }giktge fd `ks}g`fsfubuge fuj

f}kn k} blwifnwi *igubl bepk}mp uk ujg blwi k} f}kn dlk`&Dflu}bufkn `bn mg wpge uk }giktg ujg dlk` `b}}fge ktg} d}ki ujg

s}g`fsfubufkn s}k`gpp *`bn }gew`g igubl lgtgl fn ujg gddlwgnu d}ki>2 uk = io+l uk


13/34

Igubl B`jfgtbmlg gddlwgnu

`kn`gnu}bufkn

Ug`jnklkov

B}pgnf` 3.37 io+l Pwldfeg ssu. _fuj dflu}bufkn

3.337 io+l Dg}}f` jve}kzfeg `k)ssu.

Mb}fwi 3.7 io+l Pwldbug ssu

@beifwi 3.37 io+l Jve}kzfeg ssu.

3.37 io+l @k)ssu. fuj dg}}f` jve}kzfeg3.33: io+l Pwldfeg ssu.

@kssg} 3.3=)3.3? io+l Jve}kzfeg ssu.

3.32)3.3= io+l Pwldfeg ssu.

Ig}`w}v 3.32)3.3= io+l Pwldfeg ssu.

3.332)3.32 io+l Blwi `k)ssu.

3.3337)3.337 io+l Dg}}f` jve}kzfeg `k)ssu.

Nf`agl 3.2= io+l Jve}kzfeg ssu. bu 23 sJ

Pglgnfwi 3.37 io+l Pwldfeg ssu.

Xfn` 3.2 io+l Jve}kzfeg ssu. bu 22 sJ

S}g`fsfubufkn8ug`jnklkofgp bne b`jfgtbmlg gddlwgnu `kn`gnu}bufknp


14/34

B}pgnf`

]giktge mv s}g`fsfubufkn bp b}pgnbug, ujbn bp b}pgnfug, b}pgnfug ibv }grwf}g kzfebufkn fnuk b}pgnbug s}fk} uk s}g`fsfubufkn

S}g`fsfubufkn bp pwldfeg `bn }gew`g `kn`gnu}bufkn uk


15/34

@kssg} 3.3= uk 3.3? io+l kd `kssg} `bn mg b`jfgtge ) s}g`fsfubufkn bp

pwldfeg bu :.7 sJ `bn }gew`g `kssg} uk 3.32 uk 3.3= io+l

@kislgzfno bognup pw`j bp `vbnfeg bne biiknfb fnu}kew`gefddf`wlufgp fn ujg s}g`fsfubufkn }giktbl

@kssg} `bn mg }g`ktg}ge d}ki ujg s}g`fsfubug

Jfoj pwldbug lgtglp `bn s}g`fsfubug `bl`fwi pwldbug bne bddg`u}g`ktg}v d}ki ujg plweog wpg kd `bwpuf` `bn btkfe ujfp

F}kn

F}kn dk}i egsgnep kn sJ bne EK kd ujg bpugbug}

Bu ?.7 sJ fn ujg s}gpgn`g kd kzvogn dg}}kwp f}kn fp `kntg}uge ukdg}}f` f}kn bne }giktge bp dg}}f` jve}kzfeg

Bu jfojg} sJ dg}}f` jve}kzfeg pklwmflfxgp uj}kwoj dk}ibufkn kdDg*KJ&5) `kislgz

Dg}}kwp bne dg}}f` f}kn b}g pklwmflfxge fn ujg s}gpgn`g kd `vbnfegmv dk}ibufkn kd dg}}k bne dg}}f`vbnfeg `kislgzgp



16/34

Lgbe

]giktge mv s}g`fsfubufkn bp `b}mknbug k} jve}kzfeg _fuj pkeb }gewùfkn uk 3.32)3.30 io+l bu 6)6.7 sJ fp skppfmlg

_fuj lfig }gewùfkn uk 3.326)3.= io+l bu 22.7 sJ fp skppfmlg

_fuj pkefwi pwldfeg }gewùfkn uk 3.32 io+l bu ?.7):.7 sJ fpskppfmlg

Ibnobngpg

Knlv ibnobnkwp pblup bne jfojlv kzfefxge sg}ibnobnbugbnfknp b}g bss}g`fbmlv pklwmlg fn bpugbug}p

Mgfno b pu}kno kzfebnu, sg}ibnobnbug wneg} nk}ibl`f}`wipubn`gp fp `kntg}uge fnuk fnpklwmlg ibnobngpg efkzfeg

]giktbl fntkltgp `kntg}pfkn kd ujg pklwmlg ibnobnkwp fkn fnukfnpklwmlg kzfeg bne jve}kzfeg s}g`fsfubug

Bf} kzfebufkn8 pfonfdf`bnu bu >6.5 sJ S}gpgn`g kd `kssg}gnjbn`gp kzfebufkn k}obnf` ibuug} fnug}dg}gp fuj kzfebufkn

Kzfebufkn mv `jgif`bl kzfebnup8 @jlk}fng efkzfeg, kxkng fn

`knhwnùfkn fuj lfig k} sg}ibnobnbug `bn mg wpge



17/34

Ig}`w}v

Ig}`w}v fknp `bn mg }gew`ge wskn `knubù fuj kujg} igublp lfag`kssg}, xfn` k} blwifnwi

Dk} s}g`fsfubufkn }giktbl ig}`w}v `kiskwnep iwpu mg kzfefxgeuk ig}`w}f` fknp

Pwldfeg s}g`fsfubufkn }giktgp ig}`w}v uk 23)=3 o+l lgtgl

Blwi `k)s}g`fsfubufkn }giktgp uk 2)23 o+l lgtgl

F}kn `k)s}g`fsfubufkn }giktgp uk 3.7)7 o+l lgtgl

Nfàgl

Fn ujg s}gpgn`g kd `vbnfeg lfag `kislgzfno bognup nfàgl gzfpup

fn ujg pklwmlg dk}i _fuj lfig bu 23)22 sJ uj}kwoj dk}ifno jve}kzfeg pklwmflfuv fp

}gew`ge uk 3.2= io+l

Nfàgl jve}kzfeg jbp skk} pguulfno s}ksg}ufgp s}g`fsfubufkn fujlfig bu 22.7 sJ bne pgefignubufkn bne dflu}bufkn }giktbl kds}g`fsfubug }gew`gp nfàgl uk 3.27 io+l lgtgl

@bn blpk mg s}g`fsfubuge bp `b}mknbug k} pwldbug



18/34

Pglgnfwi

Pglgnfkwp fkn bne pglgnfeg b}g ikpu `kiikn fn bpugbug}

Pwldfeg s}g`fsfubufkn `bn }giktg uk 3.32)3.37 io+l lgtgl bu 4.4sJ

F}kn `k)s}g`fsfubufkn `bn }giktg uk 3.32)3.37 io+l lgtgl

Pfltg}

]giktge uk 2.5 io+l lgtgl bp pfltg} `jlk}feg s}g`fsfubug bu =7@ gz`gpp kd `jlk}feg uj}kwoj dk}ifno pfltg} `jlk}feg `kislgzgpfn`}gbpgp pklwmflfuv kd pfltg}

B`fe bpj kd pfltg} `jlk}feg s}g`fsfubug `bn }giktg kujg}`knubifnbnu igubl fknp d}ki fu bne db`flfubug pfltg} }g`ktg}v

Pfltg} `vbnfeg fnug}dg}gp fuj ujg `jlk}feg s}g`fsfubufkn

ujg

fnug}dg}gn`g `bn mg ubagn `b}g kdd mv `vbnfeg kzfebufkn fuj`jlk}fng

Jve}kzfeg s}g`fsfubufkn }gew`gp pfltg} uk 3.3= io+l lgtgl bu 22 sJ

Pfltg} pwldfeg fp gzu}giglv fnpklwmlg

Blwi k} f}kn `k)s}g`fsfubufkn `bn }gew`g pfltg} uk 3.3=7 io+l



19/34

Xfn`

@bn mg }giktge mv s}g`fsfubufkn bp xfn` jve}kzfeg fuj gfujg}lfig k} `bwpuf` gddlwgnu fuj 3.2 io+l kd xfn` `bn mg b`jfgtge bu22 sJ

Lfig beefufkn fp bppk`fbuge fuj `kn`w}}gnu s}g`fsfubufkn kd`bl`fwi pwldbug fn ujg s}gpgn`g kd jfoj pwldbug lgtglp

@j}kifwi

Dg}}kwp pwldbug, pkefwi igub)mfpwldfug k} pwldw} efkzfeg b}g wpge bp}gew`fno bognup dk} }gew`fno `j}kifwi d}ki jgzbtblgnu uk

u}ftblgnu dk}ip

]gew`ufkn kd `j}kifwi fp ikpu gddg`uftg bu b`fef` sJ bne jgn`g b}gew`fno bognu fuj b`fef` s}ksg}ufgp fp s}gdg}}ge

=

5

00

7===

=4 PKk}Dg@}JKPNbk}PKk}Dg@}

0

0&*0 KJ@}KJ@}



20/34

@j}kifwi Pfn`g bpugbug} ogng}bufkn }bug fp lk, mbu`j u}gbuignu

fp g`knkif`bl

@knufnwkwp u}gbuignu ibv }grwf}g

ubna dk} b`fefdf`bufkn bne }gew`ufkn *J]U 5 ufigp uk

ujgk}guf`bl }gb`ufkn ufig&

ifzfno ubna dk} lfig beefufkn

pguulfno ubna fuj ktg}dlk }bug


21/34

@j}kifwi

Dg}}kwp pwldbug fp }gew`fno bognu

Dg}}kwp f}kn }gb`up fuj jgzbtblgnu `j}kifwi }gew`fno fu uku}ftblgnu pubug jflg oguufno fupgld kzfefxge uk dg}}f` pubug

K``w}p }bsfelv bu 0.3 sJ dk} sJ behwpuignu b`fe fp beege

Dk} `kislgug }gew`ufkn gz`gpp ekpg kd =.7 ufigp uk ujgk}guf`blekpg kd dg}}kwp pwldbug fp beege



22/34

Pkefwi igub mfpwldfug k} PK= bp }gew`fno bognup ]gewùfkn k``w}p mv }gbùfkn fuj J=PK0

Bmktg 5 sJ knlv 2' kd ujg pwldfug fp s}gpgnu bp J=PK0 bne}gbùfkn fp tg}v plk

bu sJ 0 mbpf` `j}kig pwldbug fp dk}ige ujfp }gew`gp ujglfig }grwf}ge dk} pwmpgrwgnu ngwu}blfxbufkn

]gbùfkn fntkltgp dk}ibufkn kd NbKJ b`fe fp }grwf}ge ukngwu}blfxg fu

Ujgk}guf`bl `jgif`bl }grwf}gignu sg} ssi kd jgzbtblgnu`j}kifwi fp

=.:2 ssi kd Nb=P=K0 k} 2.:7 ssi kd PK=

2.7= ssi kd J=PK5

S}gpgn`g kd EK jf`j u}bnpdk}ip pwldfug uk pwldbug

ng`gppfubugp 07 ssi gz`gpp PK= ekpfno



23/34

Dlwk}feg

]giktge mv s}g`fsfubufkn fuj lfig bp `bl`fwi dlwk}feg

S}g`fsfubufkn bu sJ >2= pwddg}p d}ki skk} pguulfno bne`gignubufkn kd ujg dflug}p wpge

S}gpgn`g kd ibongpfwi fp }gsk}uge uk gnjbn`g }giktbl

Dlwk}feg fknp bepk}m fnuk ujg ibongpfwi jve}kzfeg dlk`

Gddlwgnu dlwk}feg `kn`gnu}bufkn fp


24/34

@jgifpu}v kd sjkpsjbug s}g`fsfubufkn

Sjkpsjk}wp }giktbl fntkltgp wpg kd igubl pblup bne

sklvig}p k} lfig Iwluftblgnu igubl fknp *`bl`fwi, blwifnwi bne f}kn& dk}i

s}g`fsfubugp kd psb}fnolv pklwmlg sjkpsjbugp

Sklvig}p bù bp dlk``wlbnu bfep fn ujg }giktbl s}k`gpp

Sjkpsjbug s}g`fsfubufkn mv lfig Lfig, jgn beege, }gbùp fuj mf`b}mknbug blablfnfuv bne dk}i

`b}mknbug s}g`fsfubufkn

Bu sJ >23, gz`gpp kd `bl`fwi fknp }gbù fuj sjkpsjbug uk dk}ijve}kzvlbsbufug s}g`fsfubug

Bikwnu kd lfig }grwf}ge fp fnegsgnegnu kd ujg sjkpsjbug`kn`gnu}bufkn

Egsgnep s}fib}flv kn ujg blablfnfuv kd ujg bpugbug}

]grwf}gignu ibv mg 2.5 uk 2.7 ufigp uk ujg ukubl blablfnfuv

=4523

0

5

=

&*&*=423 KJSK@bKJSK@b


25/34

Sjkpsjbug s}g`fsfubufkn fuj blwi bne f}kn

Ibnv kujg} }gb`ufknp `kisgug fuj sjkpsjbugs}g`fsfubufkn

Blablfnfuv, sJ, u}b`g glgignup, bne lvobnep dkwne fn bug}fndlwgn`g ujg s}g`fsfubufkn s}k`gpp

Jgn`g ekpg kd blwi k} f}kn `bn nku mg ef}g`ulv gpufibuge ekpg gpufibufkn }grwf}gp mgn`j p`blg ugpup

Sklvig}p `bn mg wpge bp dlk``wlbufkn bfep

Ujgk}guf`bllv ifnfiwi pklwmflfuv dk} BlSK5 fp bu bmkwu 4.0sJ, dk} DgSK5 fu fp bu bmkwu 7.0 sJ

Mwu okke }giktblp b}g b`jfgtge fn 4.7 uk ?.3 sJ }bnog

nJDgSKk}BlSKSKJDgk}Bln

n 55

0

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@jgifpu}v kd sjkpsjbug s}g`fsfubufkn


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@jkf`g `jgif`bl wpge dk} sjkpsjbug }giktbl egsgne kn

Fndlwgnu sjkpsjk}wp lgtgl

_bpugbug} pwpsgnege pklfep bne blablfnfuv lgtglp

@jgif`bl `kpu bne }glfbmflfuv kd pwsslv

Plweog jbnelfno db`flfufgp bne wlufibug plweog efpskpbl igujkep

@kisbufmflfuv kd sjkpsjbug }giktbl fuj kujg} u}gbuignu s}k`gpp

Sjkpsjk}wp }giktbl `bn mg b

S}g)s}g`fsfubufkn s}k`gpp s}g`fsfubufkn kd }b bpugbug} bne}giktbl fn ujg s}fib}v pgefignubufkn ubnap

@k)s}g`fsfubufkn s}k`gpp

s}g`fsfubufkn kd sjkpsjbug dk}}giktbl blkno fuj ujg bpug mfklkof`bl plweog

@jgif`bl fp ekpge uk ujg s}fib}v gddlwgnu k} uk ujg ifzge lfrwfk} kdBPS k} mfklkof`bl u}gbuignu gddlwgnu s}fk} uk pg`kneb}v pguulfno

Skpu)s}g`fsfubufkn s}k`gpp `jgif`bl ekpfno uk `lb}fdfgepg`kneb}v gddlwgnu bne }giktbl kd s}g`fsfubug mv

dflu}bufkn+pgefignubufkn

@jgif`bl s}g`fsfubufkn dk} sjkpsjk}wp}giktbl


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]giktbl mv igubl pblup bne sklvig}pSklvsjkpsjbugp bne k}obnf` sjkpsjk}wp b}g lgpp gbpflv

}giktge mv igubl pblup *blwifnwi bne f}kn&

Dk} mgpu }gpwlup pg`kneb}v gddlwgnup b}g u}gbuge

Ekpfno kd igubl pblup uk wnu}gbuge bpugbug} S}g`fsfubug ibfnlv ujg k}ujksjkpsjbug

Blwi ekpg ibv mg 2.5)=.7 iklgp kd Bl+iklg kd sjkpsjk}wp*b`uwbl ekpg egug}ifnbufkn ibv }grwf}g kn)pfug ugpufno

Ekpfno kd sklvig} `bn bfe ujg pguulfno

Fn `bpg kd lk blablfnfuv bug}p beefufkn kd blablf dk} ibfnubfnfnosJ fn 7)? ibv blpk mg nggege

@bn gnjbn`g ujg }giktbl kd UPP bne MKE bp s}fib}v plweog


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Igubl pblu ekpfno uk ujg pg`kneb}v u}gbuignu @bn mg beege uk pg`kneb}v u}gbuignu wnfu fnlgu, k} ukpg`kneb}v u}gbuignu wnfu k} uk pg`kneb}v `lb}fdfg} fnlgu

Iwlufskfnu beefufkn `bn blpk mg s}b`uf`ge

Wpg kd dg}}kwp pblup fp lfifuge mg`bwpg ujgv }grwf}g jfoj

sJ tblwgp dk} s}kew`fno lk sjkpsjk}wp lgtglp Ekpbog ibv mg 2)0 igubl fkn)sjkpsjk}wp iklb} }bufk

Sklvig}p `bn beege uk ujg fnlgu kd pg`kneb}v `lb}fdfg}

Bepk}sufkn, gz`jbnog bne boolkig}bufkn ibv blpk bppfpufn ujg }giktbl s}k`gpp

Ujkwoj ifnfiwi pklwmflfuv kd BlSK5 fp bu 4.0 sJ bne kdDgSK5 fp bu 7.0 sJ, okke sjkpsjbug }giktbl fp b`jfgtge bu4.7)?.3 sJ

@bn }gpwlu fn fis}ktge pguulfno bne lkg} MKE fn u}gbugegddlwgnu

]giktbl mv igubl pblup bne sklvig}p


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Fn `bpg kd u}f`alfno dflug}p, gzugnege bg}bufkn, gu`, wnfup

`lb}fdf`bufkn fn ujg pg`kneb}v `lb}fdfg} ibv nku mg okke Ekpfno igubl pblup uk ujg fnlgu kd pg`kneb}v `lb}fdfg} `bn mg

tg}v jglsdwl mkuj dk} sjkpsjk}wp bne UPP }giktblpsg`fbllv jgn sjkpsjk}wp fp >3.7 io+l fn ujg gddlwgnu

Ekpg fp 2 uk 0 igubl fkn+sjkpsjk}wp kn iklb} }bufk mbpfp

Wpg kd sklvig}p `bn dw}ujg} gnjbn`g ujg }giktbl s}k`gpp

]giktbl mv igubl pblup bne sklvig}p


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Wpg kd lfig dk} sjkpsjk}wp }giktbl jbp ujg lfifubufknp

Pwmpubnufbl fn`}gbpg fn ujg ibpp kd plweog uk mg jbnelge

Ksg}bufkn bne ibfnugnbn`g s}kmlgip bppk`fbuge fuj ujgjbnelfno, puk}bog bne dggefno kd lfig

Ekpg egsgnep kn }giktbl lgtgl nggege $ bpugbug}blablfnfuv

Ekpge gfujg} fn ujg s}fib}v pgefignubufkn ubnap k} dkllkfnopg`kneb}v u}gbuignu

Ekpg }grwf}ge fp dkwne mv kn)pfug ugpufno

Lfig beefufkn uk ujg s}fib}v `lb}fdfg}

]giktbl `bn mg 47):3'

@bl`fwi bne jve}kzfeg }gb`u fuj k}ujksjkpsjk}wp bne dk}ifnpklwmlg jve}kzvbsbufug Q@b7*KJ&*SK5&0Y

]gpfewbl sjkpsjk}wp lgtgl kd 2 io+l `bn mg b`jfgtge fd dflu}bufkndb`flfuv fp blpk beege

Jfoj lfig pvpugi8 fntkltgp }bfpfno kd sJ uk > 22 lfig }grwf}gefp jfoj ) bdug} s}g`fsfubufkn }g`b}mknbufkn ibv mg nggege

Lk lfig pvpugip8 lfig ekpg fp 7+2 iklb} }bufk kd @b=!+Io=!

]giktbl kd sjkpsjk}wp mv lfig


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Lfig beefufkn dkllkfno pg`kneb}v u}gbuignu

Igbnu uk }gew`g sjkpsjk}wp bne UPP lgtgl fn ujg gddlwgnu

Pwddf`fgnu lfig fp ekpge uk }bfpg sJ bmktg 22, uks}g`fsfubug sjkpsjk}wp bp `bl`fwi sjkpsjbug *bsbufug&bne uk }giktg UPP mv ujg `bl`fwi `b}mknbug s}g`fsfubug

Pguulfno }giktgp ujg s}g`fsfubugp

]g`b}mknbufkn ibv mg nggege uk }giktg gz`gpp kdpklwmlg `bl`fwi

Dflu}bufkn bfep bne dflu}bufkn `bn mg wpge uk }giktg ujg dlk`p

Fd s}g`fsfubug dk}ige d}ki }g`b}mknbufkn fp ik}g dk}

dflu}bufkn, ujgn uk pubog }g`b}mknbufkn fp s}b`uf`ge Df}pu pubog }g`b}mknbufkn uk m}fno sJ uk bmkwu 23 bne

}giktg dlk`p fn b pguulfno ubna

Pg`kne pubog }g`b}mknbufkn uk m}fno mb`a ujg sJ uk nk}ibllgtgl bne }giktg dlk`p uj}kwoj dflu}bufkn

]giktbl kd sjkpsjk}wp mv lfig


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]giktbl d}ki pg`kneb}v gddlwgnu mv`jgif`bl beefufkn bne dflu}bufkn

@jgif`bl beefufkn uk `lb}fdfge pg`kneb}v gddlwgnu bnedflu}bufkn fp wpge uk

fis}ktg ujg rwblfuv *fn ug}ip kd UP lgtglp& kd u}gbuge gddlwgnu

}giktg `knubifnbnup, pw`j bp, sjkpsjk}wp, igublp, gu`.

=)pubog ws)dlk `knufnwkwp mbàbpj dflug}p `bn mg wpge

Df}pu dflug} wpgp lb}og pfxg pbne bne ujg pg`kne kng pibllpfxg pbne

@kis}gppge bf} fp wpge dk} mbàbpjfno bne bmkwu 7' kd

fndlk fp }ghgùge bp mbàbpj bug} Mbàbpj bug} kd ujg pg`kne dflug} fp }g`v`lge uk ujg df}pu

dflug}

Sjkpsjk}wp lgtglp < 3.3= io+l `bn mg b`jfgtge fn ujgdflug}ge gddlwgnu

Betbnubogp bne efpbetbnubogp kd `jgif`bl beefufkn fn


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Betbnubogp bne efpbetbnubogp kd `jgif`bl beefufkn fntb}fkwp pgùfknp kd u}gbuignu slbnu dk} sjkpsjk}wp }giktbl

Pgùfkn kdu}gbuignu

Betbnubogp Efpbetbnubogp

S}fib}v Fn`}gbpge MKE bne PP}giktblLkgpu ego}gg kd igubllgbabog

Lfig }g`ktg}v egiknpu}buge

Lgbpu gddf`fgnu wpg kd igublpblu bne sklvig}Plweog fp ik}g efddf`wlu ukegbug} ujbn s}fib}v plweog

Pg`kneb}v Lkgpu `kpu mg`bwpg kd

lkg} `jgif`bl ekpg bnesklvig} fp nku }grwf}ge

Fis}ktge pubmflfuv kd ujgbùftbuge plweog

Ktg}ekpg kd igubl pblu `bn

`bwpg lk sJ bne ukzf`fuvLfig mg`bwpg kd jfoj sJnggege `bn nku mg wpge

Fng}u pklfep mg`kig sb}u kdbùftbuge plweog

Betbn`ges}g`fsfubufkn

Lkgpu sjkpsjk}wp fn ujggddlwgnu

Ikpu gddf`fgnu wpg kd igubl

Egiknpu}buge lfig }g`ktg}v

Jfojgpu `bsfubl `kpu

Jfojgpu igubl lgbabog

Betbn`ge 2k} = pubog

dflu}bufkn

Lk `kpu

Fis}ktge }giktbl kd}gpfewbl pwpsgnege pklfep

Lgnouj kd dflug} }wn fp }gew`ge

=)pubog dflu}bufkn `bn fn`}gbpg`kpu


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Gpufibufkn kd ujg Plweog Ogng}buge_fuj lfig

Ujg s}g`fsfubug `knubfnp jve}kzvlbsbufug, @b@K0 bne Io*KJ&=

_fuj Blwi Ujg s}g`fsfubug `knubfnp BlSK5 bne Bl*KJ&0

_fuj Dg*FFF& Ujg s}g`fsfubug `knubfnp DgSK5 bne Dg*KJ&0

=4523

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=&*&*=423 KJSK@bKJSK@b

=&*= KJIoKJIo

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Wastewater Treatment: Chemical Precipitation

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Transcript of Wastewater Treatment: Chemical Precipitation