Lap Pli Sedimentasi

LAPORAN PRAKTIKUM PENGELOLAAN LIMBAH INDUSTRI SEDIMENTASI PLAT Dosen Pembimbing: Fitria Yulistiani, ST., MT.

Kelompok / Kelas

: II/ 2A

Nama

: 1. D!a He"#a!

NIM. 1$1%$1&&'

: 2. D! He"#a!

NIM. 1$1%$1&&(

: $. )e**# Elsa Na*la

NIM. 1$1%$1&&+

Ta!,,alP"ak-km

:1$Me2&1

Ta!,,al Pe!,mpla! Lapo"a!

: 2& Me 2&1

PRORAM ST!DI DIPLOMA III ANALISIS "IMIA #!R!SAN TE"NI" "IMIA POLITE"NI" NEERI $AND!N TA%!N &'()

$A$ I PENDA%!L!AN (.( Latar $ela*ang

Pe!0ema"a! a" saa- ! sa semak! -!,, *ak ka"e!a lm*a !s-"#3 lm*a omes-0 map! *e!0a!a alam. Ole ka"e!a - pe"lka! p"oses pe!,olaa! a"3 sala sa-!#a aala p"oses pe!,e!apa! 4seme!-as5 !-k memsaka! pa"-kel a" 0a"a!!#a. G!a mempe"0epa- p"oses pe!,e!apa!3 paa pe"0o*aa! ! lakka! p"oses koa,las a! seme-as 4Ema3--5. P"esp-as se0a"a kma ! mamp me!,ola a" lm*a me!6a "ela-7e 6e"! ka"e!a apa- memsaka! pa"-kel -e"sspe!s map! kolo. P"esp-as se0a"a kma mamp mem*e"ka! e8se!s pemsaa! -o-al paa-a! -e"sspe!s sek-a" +&9 &;3 pe!,la!,a! BOD %&9(&;3 pe!,la!,a!
(.& Tuo+uan Me!e!-ka! !la e8se!s pe!"!a! keke"a! o o

Me!,e-a pe!,a" pH -e"aap p"oses seme!-as Me!e!-ka! =ak- -!,,al a! la6 al" paa p"oses seme!-as .

$A$ II

LANDASAN TEORI Paa p"oses!#a seme!-as se*elm!#a lakka! p"oses koa,las -e"le* al. P"oses koa,las me"paka! pe!0amp"a! *aa! kma 4koa,la!5 e!,a! a" *ak se!,,a mem*e!-k 0amp"a! #a!, omo,e! e!,a! se"-a pe!,aka! #a!, 0epa-. Koa,la! #a!, ,!aka! a!-a"a la! Pol#alm!m <lo"e 4PA<5. P"oses koa,las ! 6,a me"paka! es-a*lsas ma-a! pa"-kel se!,,a me!6a *e"ma-a! !e-"al 4sm*e": --ps://===.s0"*.0om/o0/21&'&2/Koa,las9Da!9)loklas5. Se-ela p"oses koa,las apa- lakka! p"oses seme!-as #a- p"oses pemsaa! paa-a! a! a" *e"asa"ka! pe"*eaa! *e"a- 6e!s e!,a! 0a"a pe!,e!apa!. Sela! - seme!-as me"paka! p"oses pemsaa! pa"-kel a" 0a"a!!#a3 *ak pa"-kel #a!, mema!, -ela *e"aa alam a" *ak3 #a!, -e"*e!-k se*a,a ak*a- pe!am*aa! *aa! kma3 map! pa"-kel #a!, aslka! a" 8loklas 8ss #a!, ,a*!,ka! e!,a! pe!,olaa! *olo,s e!,a! mema!8aa-ka! ,a#a ,"a7-as. Tpe *ak seme!-as -e"" a" *ak pe"se, 4al"a! o">o!-al53 *ak pe"se, al"a! 7e"-0al 4me!,,!aka! pela-/-a*!, pe!,e!ap53 *ak *!a" 4al"a! 7e"-0al9"aal a! ko!-ak aa-a!53 se"-a -pe clarifier. Kealama! *ak *e"ksa" $9' me-e" 4*ak pe"se, a! *ak *!a"5 se"-a &391 me-e" 4 clarifier5. ?ak- "e-e!s 19$ 6am 4!-k -pe *ak pe"se, o">o!-al a! *ak *!a"53 &3&( 6am 4=ak- "e-e!s paa pela-/-a*!, pe!,e!ap53 a! 2923 6am 4-pe clarifier5 4sm*e": --p://*lo,s.*"pamk.o",/pe!,olaa!9a"9 *ak9me!6a9a"9*e"s/@s-as.mk'P!.p*s5. )ak-o"98ak-o" #a!, apa- me!!,ka-ka!! e8se!s *ak pe!,e!apa! aala : a. Las *a!, pe!,e!apa! *. Pe!,,!aa! *a88le paa *ak seme!-as 0. Me!a!,kalka! *ak . Pemasa!,a! pla- m"!,

$A$ III METODOLOI PRA"TI"!M

.( Alat -an $aan

Tabel 1. Alat dan Bahan ALAT Em*e" Gelas Kma 2& mL a! 1&& mL GelasUk"&mL pH9me-e" a! elek-"oa T"*me-e" 1 se- *ak seme!-as Gelas Plas-k 2L Spa-la Ne"a0a Ba-a!, Pe!,ak

$A%AN Sampel4a"*a!,a!5 Koa,la! PA< &3% ; Aaes Tsse

.& S*ema Peralatan

Ta!,k Koa,la! 1

Ta!,k a" *ak

Ta!,k Koa,la! 2 E88le!

Bak Seme!-as

Gam*a" 1. Pe"ala-a! Seme!-as . /ara "er+a

Me!#s! pe"ala-a! a! me!,e0ek kele!,kapa! a! ko!s pe"ala-a! Mempe"sapka! pe"ala-a! a!alsa a! *aa! *ak a!alsa

Me!,-!,ka! a! mempe"sapka! *aa! kma #a!, pe"lka! alam p"oses

Me!#apka! a" *ak 4sampel5

Me!,k" keke"a! a=al a! pH a" *ak 4sampel5

Me!e!-ka! 6mla koa,la! 4&3% ;5

Memaskka! koa,la!3 a! me!,ak!#a

Me!,al"ka! a" *ak ke alam *ak seme!-as e!,a! la6 al" -e"-e!-

Me!,k" keke"a! a! pH asl seme!-as

$A$ I0 %ASIL PRA"TI"!M 1.( Data Pengamatan

?ak- -!,,al La6Al" Be"a- Koa,la!

: 2 6am ' me!- % e-k :1+&mL/e-k : &3% ,"am

Tabel 2. Laju Alir pada waktu tertentu

N1o 2 $ %  '

Deb12 it2L3

4a*t$$(( u2-eti*3

1% 1' 1+ 2& 22

La+uAlir&.&&$' 2L5-eti*3

$'& $2( %' %++( 2&

&.&&$+ &.&&%1 &.&&$ &.&&%1 &.&&%2

Tabel 3. Hasil analisa proses sedimentasi t 2menit3 & 1&

"e*eruan 2NT!3 1$.'' .%

6% .'1 .(+

E7isiensi 283 &

2& $& %& & '& (& +& & 1&& 11& 12& Ak"

+ .( .'' $.+( %.'2 %.+ %.2+ %.& $.(+ %.$2 %.$ $.''

'.% '.&1 '.21 '.1$ '.$ '.1+ '.1% .( .(+ .% '.2% '.1'

%1.%$ (.'1 +.( (1.'( ''.1+ ''.%( '+.'( (&.&' (2.$$ '+.$( '(.+' ($.21

1.& Pengolaan Data

$1.1

Gambar 2. Grafik Laju Alir terhadap ebit

Gambar 3. Grafik Hubun!an "ekeruhan terhadap waktu

Gambar #. Grafik Hubun!an pH terhadap waktu

Gambar $. Grafik Hubun!an efisiensi terhadap waktu

$A$ 0 PEM$A%ASAN Paa p"oses seme!-as ma!a a" *ak e!apka! melal sa- mea. Paa p"oses ! -am*aka! koa,la! !-k me!,e!apka!. Koa,la! #a!, ,!aka! aala Pol#alm!m <lo"e 4PA<5. PA< #a!, -am*aka! #a- e!,a! ko!se!-"as &3%;. Se*elm mask ke alam *ak seme!a-as3 a" *ak p"oses -e"le* al e!,a! koa,las. Koa,las aala sa- p"oses !-k me!,,mpalka! pa"-kel kolo me!6a pa"-kel ke0l e!,a! pe!am*aa! *aa! kma. Paa ko,las ! *e"8!,s !-k me!"!ka! paa-a! -e"sspe!s/kolo alam a" lm*a. P"oses koa,las ! 6,a me"paka! es-a*lsas ma-a! pa"-kel se!,,a me!6a *e"ma-a! !e-"al. A!alsa #a!, lakka! aala keke"a! a! pH. Dma! a keke"a! a! pH *e"pe"a! pe!-!, alam ko!s p"oses. Dma!a keke"a! sea"s!#a semak! lama semak! me!"!3 paa Gam*a" 2 -e"la- *a=a pe!"!a! keke"a! 0kp *ak3 #a!, me!a!aka! *a=a a" *ak -ela me!,alam p"oses pe!6e"!a!3 !am! saa- pe!,k"a! pH #a!, aslka! -ak s-a*l. Te-ap apa- la- a" pe"*a!!,a! a!-a"a pe!,k"a! a=al a! pe!,k"a! ak"3 ma!a keke"a! a=al #a- se*esa" 1$3'' a! ak" $3'' me!!6kka! pe!"!a! #a!, sa!,a- s,!8ka!3 paa pH p! sama paa pe!,k"a! a=al pH #a!, -e"k" se*esa" 3'1 a! ak" '31' me!!6kka! *a=a a" *ak semak! !e-"al. Da" pe!,k"a! e8se!s apa- la- *a=a semak! lama =ak- p"oses seme!-as3 maka e8se!s!#a semak! *esa". Da" asl pe!,k"a! keke"a! a=al a! keke"a! ak" 6,a apake-a e88se!s a" pe!,k"a! -e"se*- #a- se*esa" ($321;3 apa- !#a-aka! pla *a=a *ak seme!-as mas apa- *eke"6a e!,a! *ak. Nam! aa *e*e"apa al #a!, apa- mempe!,a" ko!s p"oses3 sepe"- al!#a la6 al"3 lama!#a p"oses3 6e!s koa,la!3 ko!se!-"as koa,la!3 a! ko!se!-"as lm*a. Dma!a la6 al" #a!, 0kp lama me!#e*a*ka! pe!,e!apa! semak! *ak3 ka"!a ko!-ak a!-a"a a" *ak a! mea #a!, lama me!#e*a*ka! p"oses koa,las a! seme!-as *e"6ala! 0kp *ak. Nam! la6 al" -ak ko!s-a!3 ka"e!a -ak me!,,!aka! al"a! pompa !-k me!,al"ka! a" *ak3 se!,,a pe!,al"a! lakka! se0a"a ma!al a! -ak -e-ap.

$A$ 0I "ESIMP!LAN 

Nla e88se!s pe!"!a! keke"a! se-ela p"oses seme!-as aala ($321 ;. Dma!a !la keke"a! a=al se*elm seme!-as aala 1$3'' NTU a! pH ak" se-ela seme!-as aala $3'' NTU. Nla e8se!s keke"a! pe!,a" ole La6



al"3 lama!#a p"oses3 6e!s koa,la!3 ko!se!-"as koa,la! a! ko!se!-"as lm*a. Nla pH a=al se*elm seme!-as aala 3'13 a! pH ak" se-ela seme!-as aala '31'. Pe!,a" pH -ak -e"lal s,!8ka! -e"aap e8le! asl seme!-as.



Hal ! apa- a- a" asl pe!,k"a! pH #a!, !ak -"!. ?ak- -!,,al  alam seme!-as #a- 2 6am ' me!- % e-k a! !la La6 al" paa p"oses seme!-as #a!, lakka! pal!, -!,, aala &3&&%2 L/e-k3 a! pal!, "e!a!#a aala &3&&$ L/e-k.

$A$ 0II DAFTAR P!STA"A 1.

--p://*lo,s.*"pamk.o",/pe!,olaa!9a"9*ak9me!6a9a"9*e"s/@s-as. mk'P!.p*s 4D! paa -a!,,al 1' Me 2&15 2. --ps://===.s0"*.0om/o0/21&'&2/Koa,las9Da!9)loklas 4D! paa -a!,,al 1' Me 2&15 $. Ma"3 Ema H.--. Seme!-asC.Ba!!, : Pol-ek!k Ne,e" Ba!!,