makalah tugas bahasa inggris teknik kimia unila

8/11/2019 makalah tugas bahasa inggris teknik kimia unila

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TYPE OF UTILITY

Created by :

1. Erfina Febrianti (1215041016)

2. era !eta !a"#tri (1215401010)

$. %yay# Fat&ia 'a&ra (12150410$5)

4. !eba tian *ni !y#+#r (1215041044)

Pr*,ra- !t#dy *f C&e-i a/ En,ineerin,

Fa #/ty *f En,ineerin, Uni er ita La-"#n,

andar La-"#n,

2012


2/12

"/ant &a t3* -ain "r* e y te- ie y te- rea tin, and y te- e"arati*nand "#rifi ati*n "r* e e . *t& y te- re #ire t&e *"eratin, *nditi*n *f

te-"erat#re and "re #re. In "/ant t&e &eat # #a//y t*red in t&e f/#id i-aintained at a ertain te-"erat#re and "re #re. T&e -* t *--*n/y # ed f/#idi &*t 3ater and tea- f*r rea *n *f ine7"en i e and &a a &i,& &eat a"a ity.

n*t&er *--*n/y # ed f/#id f*r &eat e7 &an,e *nditi*n at te-"erat#re ab* e100 8 C at at-* "&eri "re #re. 9ater *r 3ater a"*r "re #re ( a//ed tea- *r

tea-) i ,ettin, &eat fr*- b*i/er (b*i/er ).

eat re-* a/ y te- i re "*n ib/e f*r "r* idin, &eat and ab *rb &eat. F*re7a-"/e ab *rb &eat fr*- t&e "r* e t&at ,enerate ener,y a t&e y te-

"r* e e in */ e e7*t&er-i rea ti*n *r ab *rb &eat * t&at t&e *nditi*n *f t&e

y te- #nder r**- te-"erat#re *r a-bient te-"erat#re. F*r a &eat in+ f*rte-"erat#re be/*3 r**- te-"erat#re # in, a refri,erant "/ant ty"i a//y t&e a-e-ateria/ 3it& 3&i & t* 3*r+ *n t&e frid,e. T&e # e *f 3ater a t&e **/in,-edi#- i a/ * /i-ited it "&y i a/ "r*"ertie 3&i & i t&e b*i/in, "*int andfree;in, "*int. C**/in, 3ater te-"erat#re need t* be ret#rned t* t&e a-bientte-"erat#re *r t&e te-"erat#re *f t&e "a e t* be # ed a,ain 3it& **/in,.Pr* e in, y te- t&at d*e t&i i t&e **/in, t*3er.

C**/in, t*3er b*i/er and f#rna e are y te-


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UTILITY

Uti/ity Unit i a #""*rt #nit f*r *t&er #nit in a "/ant *r #""*rtin, fa i/itie t*r#n a fa t*ry fr*- t&e initia/ ta,e t* t&e fina/ "r*d# t. Uti/itie Unit in /#de:

1. Unit 3ater inta+e.2. 9ater treat-ent #nit .$. Unit 3ater #""/y4. !tea- ,eneratin, #nit ( tea-).5. P*3er ,enerati*n #nit.6. In tr#-ent and air *nditi*nin, #nit -an#fa t#rer.=. ir e"arati*n #nit ( !P).>. T&e #nit *f -ea #re-ent *f ,a (,a -eterin, tati*n).?. 9a te3ater treat-ent #nit.

1. Unit Water Intake

T&e 3ater *#r e f*r t&e "/ant *ffi e and &*# in, f*r e7a-"/e PT. I +andar @#daferti/i;er ta+en fr*- t&e ri er Pe# an,an ( ire#en i tri t) /* ated ab*#t 25 +-fr*- t&e "/ant ite. r*ad 9ater &ed Pe# an,an i 2260 +-2 and are /* ated-* t/y di+ab#"aten Centra/ e&. 9ater i "#-"ed t* t&e n*r-a/ f/*3 rate *f =00

t* >00 t*n A &*#r at a "re #re *f -ini-#- 2 +,A -2B.

In a// t&ere are t&ree 3ater inta+e "#-" #nit 3&ere ea & "#-" &a a a"a ity *f1250 t*n A &*#r and di/an,+a"i 3it&:

9ater Inta+e C&anne/ i an in #/ated "**/ * &a"ed &anne/ ( &anne/) ande #i""ed 3it& a bar reen t&at er e t* fi/ter *ar e f/*atin, *b e t t&at -ay bein "/a e e "e ia//y in t&e b#i/din, ta""in, ta""in, t&e ri er * a n*t t* interfere3it& #b e #ent 3ater treat-ent "r* e e .

Inta+e P*nd a "*nd 3it& a i;e *f 2= ?00 7 =600 -2 3&i & er e t* &*/d 3ater t&at &a been e7tra ted fr*- t&e *#r e and i # ed a a ra3 -ateria/. 9ater i

"*#red int* !ett/in, a in (bat& de"* iti*n) # in, a "#-".

!ett/in, a in er e t* "re i"itate *ar e "arti /e by ,ra ity and et t&e f/*3 t* be tran -itted t&e ba in i di ided int* /i-a &anne/ and a/ternate/y

eb#a& &anne/ /eaned and ta+en -#d.9ater fr*- 9ater Inta+e fa i/ity t&en f/*3ed int* t&e 3ater treat-ent "/ant 3it& af/*3 rate *f 1650 t*n A &*#r.

2. 9ater Treat-ent Unit

T&e need f*r 3ater in t&e "/ant re #ired f*r ra3 -ateria/ and a#7i/iary "r* e ein t&e f*r- *f 9ater and e-in 9ater Fi/ter *r 9ater P*/i & be ide it a/ *

"r*d# ed


4/12

2.1 Clarifier

C/arifier (6$00 t*n A &*#r(n*r-a/). In t&e /arifier in/et in e ted &e-i a/ are a/#- #/"&ate &/*rine

a# ti *da 3&i/e t&e *a,#/ant aid i added t* t&e /arifier.

T&e f#n ti*n *f t&e e &e-i a/ are:

a. /#- !#/fate ( /2 (!O4) $)!er e t* f*r- /#-" *f "arti /e # "ended in 3ater. 9&en a/#- i *nta ted3it& 3ater t&ere 3i// be a re #/t *f &ydr*/y i *f a/#-in#- &ydr*7ide ( /2 (!O4)$) and #/f#ri a id. T&e rea ti*n i a f*//*3 :

/2 (!O4) $. 1> 2O D 6 2O . T&e rea ti*n i a f*//*3 :

%aO D 2!O4


5/12

!and fi/ter 3*r+ *ntin#*# /y if dirt *r -#d /*t t&at 3a t** t&i + in t&e fi/ter it3i// be ba + 3a & re,#/ar/y.

2.$ Fi/ter 9ater e er *ir

9ater fr*- and fi/ter &*# ed in Fi/ter 9ater e er *ir (6$

-en,,#na+an tea- a ##- e e t*r i *ntained in t&e tan+ rin, nettin, t* e7tend


6/12

t&e *nta t area bet3een t&e 3ater enterin, t&e /*3


7/12

$.2. P#b/i C*n #-"ti*n *f 9ater and !anitati*n T&e *#r e *f 3ater f*r *n #-"ti*n and anitati*n *-e fr*- ,r*#nd3ater

*#r e . T&i 3ater i # ed f*r drin+in, 3ater need /ab*rat*ry *ffi e re identia/

and /and a"in,. 9ater *n #-"ti*n and anitati*n -# t -eet e era/re #ire-ent 3&i & in /#de "&y i a/ re #ire-ent &e-i a/ re #ire-ent and

ba teri*/*,i a/ ter- .P&y i a/ C*nditi*n :a. te-"erat#re be/*3 t&e *#t ide air te-"erat#re

b. /ear */*r . &a n* ta te and n* -e//.

C&e-i a/ ter- :a. d*e n*t *ntain any *r,ani *r an*r,ai+

b. n*t t*7iTer- ba teri*/*,i a/: It *ntain n* ba teria "arti #/ar/y "at&*,eni ba teria.

Pr* e in, ea3ater T* a *id f*#/in, t&at * #r in t&e &eat e7 &an,er t**/ 3e need t* &*/d t&e ea3ater treat-ent. Pr* e in, i d*ne "&y i a//y and &e-i a//y. Pr* e in, i

"&y i a//y and &e-i a//y reenin, i t&e additi*n *f &/*rine. !ta,e are af*//*3 :T&e ea 3ater i # +ed fr*- t&e "*nd /* ated dire t/y *n t&e eafr*nt 3it& t&e

"#-" t&e *"erati*n # ed i7 "#-" and t&e re-ainin, t&ree tandby er i e.ef*re enterin, t&e "#-" t&e 3ater i "a ed *n t&e tra e/in, reen t* fi/ter t&e

"arti /e 3it& a /ar,e i;e. 9a &in, i d*ne *ntin#*# /y. a in, "#-"ed t&en "a ed t&r*#,& ie e trainer t&at &a a 0.4 -- tain/e tee/ and #nder,* "eri*di ba + 3a &in,. T&e ea 3ater t&en f/*3 t* t&e "/ant. !*di#-&y"* &/*rite i in e ted in t&e "**/ t* -aintain a -ini-#- &/*rine *ntent *f 1

""-. In t&i de i,n a -# & a 1 ""- &/*rine in e ted. !*di#- &y"* &/*rite i-ade in C&/*r*"a 3it& ra3 ea 3ater by -ean *f e/e tr*/y i . C&/*rine iin e ted *ntin#*# /y in t&e "**/ and in t&e inter-ittent draina,e "i"e.

Pr* e in, 3ater f*r *n #-"ti*n and anitati*n.9a te 3ater f*r *n #-"ti*n and anitati*n i a e"arate #nit at t&e fa t*ry. T&e

"r* e in, i d*ne t&e "r* e *f aerati*n fi/trati*n and &/*rinati*n. erati*n

ai- t* re-* e di */ ed ,a e and *7idi;e ferr*# i*n *ntent t* be *n ertedint* ferri i*n t* f*r- ferri &ydr*7ide i n*t */#b/e in 3ater. Ferri &ydr*7ide "re i"itate 3a re-* ed by b/*3d*3n and t&e re t are n*t terenda"+an reenedin ir*n re-* a/ fi/ter. Int* t&e 3ater fi/trati*n "r*d# t f#rt&er in e ted a */#ti*n*f a/ i#- &y"* &/*rite t* +i// bi*/*,i a/ *ntent *f 3ater. T&e *n entrati*n *f

a/ i#- &y"* &/*rite i +e"t ar*#nd 0.> t* 1.0 ""-. T* -aintain a -ini-#- "*f 3ater "/# a */#ti*n *f Ca (O ) 2 * t&at t&e " i ar*#nd 6.> t* =.0. e idet&e additi*n *f t&e ab* e *-"*#nd are a/ * added f/*#ride.Br*#nd 3ater treat-ent &e-e f*r *n #-"ti*n and anitati*n an be een infi,#re 4.$ ne7t "a,e.

4. !tea- Beneratin, Unit


8/12

In t&e Uti/itie Unit t&e *#r e *f t&e tea- ,enerat*r i # ed f*r t&e *"erati*n it&e Pa +a,e *i/er (6$< F


9/12

J*/ta,e: 1$.> KJ

. !tandby Benerat*r (5$. Ba @ea #re-ent Unit

F#n ti*n t* -ea #re t&e a-*#nt *f nat#ra/ ,a *n #-ed by t&e "/ant 3&i & i

# ed by t&e #ti/ity "/ant (t* "r*d# e tea- and f#e/ ,enerat*r) and t&e n#-ber *f


10/12

nat#ra/ ,a # ed by t&e a--*nia "/ant (f*r "r* e and f#e/). Indi ati*n *f-ea #rin, t&e f/*3 rate *f nat#ra/ ,a *ntained in t&e fie/d and *ntr*/ t&e r**-i a -ea #re *f f/*3 rate "re #re te-"erat#re and den ity.

?. 9a te 9ater Treat-ent Unit

T* a *id en ir*n-enta/ "*//#ti*n t&e 3a te fr*- t&e "r*d# ti*n "r* e aretreated bef*re di "* a/. 9a te 3ater *//e ti*n #nit *n i t *f a 9a te 9aterP*nd (99P) and O#td**r !t*ra,e and 9a te C*ntr*/ (KPPL).>.1 a in 9a te (99P)9a te3ater "*nd i a 3a te *ntain-ent #nit deri ed fr*-:a. %e#tra/i;ati*n tan+ *n de-inera/i;er #nit.

b. Fend /#rry in 3ater treat-ent #nit.. --*nia "/ant.

d. T&e #rea "/ant.

T&e 3a te 3ater i ne#tra/i;ed 3it& -ena-ba&a id ata# a# ti #nti/ rea &in, "6 t* > t&en &i""ed by tran fer "#-" . On e t&e 3a te3ater " ne#tra/ 3a te3ater di &ar,ed int* t&e ea.

>.2 O#td**r !t*ra,e and 9a te C*ntr*/O#td**r !t*ra,e and 9a te C*ntr*/ (KPPL) &a a a"a ity *f 5250 -$. T&ef#n ti*n *f KPPL i t* re,#/ate t&e *-"* iti*n *f 3a te 3ater and e7&a# t

e/* ity t* red# e t&e a-*#nt *f di */ ed */id by "re i"itati*n and &*/d 3a te(3a te 3ater) 3&en t&e "/ant 3a in *"erati*n and re/ea e *f di */ ed a--*niain 3a te3ater.


11/12

CO@P E!!E I !Y!TE@

Ind# tria/ "/ant # e *-"re ed air f*r t&e entire *"erati*n *f "r*d# ti*n,enerated by *-"re ed air #nit ran,e fr*- 5 &*r e"*3er (&") t* * er 50 000&". e"arte-enEner,i U.!. $64 (200$) re"*rted t&at =0 t* ?0 "er ent *f

*-"re ed air i /* t in t&e f*r- *f &eat t&at an n*t be # ed fri ti*n -i # e andn*i e. T *-"re *r and *-"re ed air int* area i-"*rtant t* i-"r* eener,y effi ien y at ind# tria/ "/ant .

I a a/#ab/e re *rd *f t&e * t *f r#nnin, a *-"re ed air y te- i -# & &i,&er t&an t&e *-"re *r it e/f ( ee Fi,#re 5


12/12

-*i t#re. T&e 3ater *ntent i re-* ed by # in, ad *rbent # & a i/i a ,e/ Aa ti ated arb*n *r refri,erant dryer *r &eat fr*- t&e air *-"re *r it e/f.

5. !"endin, @*i t#re Tra" : Tra" e7"endit#re -*i t#re di,#a+an t* re-* e

-*i t#re "re ent in t&e *-"re ed air. Tra" re e-b/e tea- tra" . ifferentty"e *f tra" # ed are "endin, -an#a/ fa# et a/ e *r a#t*-ati "endin,

ba ed *n ti-e and *t&er.

6. e ei er: T&e re ei er *f air "r* ided a t*ra,e and -**t&in, t&e air *#t"#t "#/ e < red# in, t&e "re #re ariati*n *f t&e *-"re *r

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