pengeringan zat padat

7/18/2019 Pengeringan Zat Padat

http://slidepdf.com/reader/full/pengeringan-zat-padat-56d4623ea9509 1/23

BAB I

PENDAHULUAN

A. Judul Percobaan

“PERCOBAAN PENGERINGAN ZAT PADAT (DRYING OF SOLIDS)”

B. Maksud dan Tujuan Percobaan

1. Maksud

Agar mahsiswa/i m!g"ah#i $r%ss $!gri!ga! &a" $a'a" ('ri!g %

s%*i's)

2. Tujuan Percobaan

+!g"ah#i ,agaima!a m!g"ah#i -ara .ra $r%ss $ra.". .ra

$r-%,aa! $!gri!ga!0

C. Laar Belakan!

O$rasi $!gri!ga! &a" $a'a" a!g m!ga!'#!g -aira! ('a*am ha*

i!i air) 'a$a" 'i*a.#.a! $a'a a*a"1a*a" $!gri!g '!ga! #'ara s,agai

m'ia $!gri!ga!0 O$rasi i!i 'a$a" 'i"m$a".a! 'i 'a*am a*a" i"# s!'iri

a"a# 'i *#ar a*a" $!gri!g0 2!"#. $.raa! i!i 'i-a$ai "ra 'rr '!ga!

s#m,r !rgi #'ara $a!as 'ari *-"ri- ha"r a!g 'i$asa!g 'i*#ar a*a"

$r-%,aa!3 s,agai $!ghm,#s #'ara 'i$a.ai ,*%wr a!g "r$asa!g sa"##!i" '!ga! *-"ri- ha"r i"#0 A*a" i"# mma.ai 4 "ra a!g !a!"i!a

#!"#. m!m$a".a! &a" a!g a.a! 'i.ri!g.a! s-ara ,a"-h0 Saa"

$!gri!ga! ,r*a!gs#!g3 $rm#.aa! .%!"a. a!"ara $rm#.aa! '!ga!

#'ara a!g s*a*# ,asah '!ga! -aira! sam$ai -aira! ha,is "r#a$.a!

s*#r#h!a

BAB II



"9 7 S#h# $rm#.aa! ,asah (OF)

NA 7 ;-$a"a! $!g#a$a! 'ari $rm#.aa! ,asah . #'ara

(*,m%*/am)

hG 7 ;%isi! $r$i!'aha! $a!as 'ari #'ara . $rm#.aa! ,asah

.G 7 ;%isi! $r$i!'aha! $a!as 'ari $rm#.aa! ,asah . #'ara

(*, m%*/am)

PL 7 T.a!a! $arsii* #a$ air 'a*am as gas (a"m)

PG 7 T.a!a! $arsii* #a$ air 'a*am gas (a"m)

Dari $rsamaa (i) 'a! (ii) .-$a"a! $!gri!ga! "ia$ sa"#a! *#as

$rm#.aa! ,asah 'a$a" 'i!"a"a.a! s,agai5

Prsamaa! (iii) 'i a"as 'a$a" 'i$a.ai #!"#. m!!"#.a! .-$a"a!

$!gri!ga! a!g a.a! 'i$a!as.a! 'a! 'i*"a..a! 'i 'a*am r#a!g 'rr

"rs,#"0 S.ma a*a" "rs,#" s,agai ,ri.#" 5



Dari

hasi*

$!g%*aha! 'a"a 'i a"as .m#'ia! 'igam,ar.a! grai. h#,#!ga! a!"ara

'ri!g ra" '!ga! m%is"#r -%!"!"3 S$r"i $!g#a$a!3 $!gri!ga!

a'a*ah $r%ss "ra!sr massa m!ga.i,a".a! $mi!'aha! air a"a# #a$ air

'ari a*ira! $r%ss0 <hi* =a$%ra"i%! i!-rass "h -%!-!"ra"i%! %

!%!=%*a"i* -%m$%!!"s i! s%*#"i%!3 i! 'ri!g $r%-sss "h i!a* $r%'#-"

is a s%*i'0 Sm!"ara $!g#a$a! m!i!g.a".a! .%!s!"rasi .%m$%!!

m#'ah m!g#a$ 'a*am *ar#"a!3 'a*am $r%ss $!gri!ga! $r%'#. a.hir

$a'a"0 Dri!g $r%-sss r'#- "h s%*#" %r m%is"#r *=* "% Pr%ss

$!gri!ga! m!g#ra!gi &a" "r*ar#" a"a# "i!g.a" .*m,a,a! #!"#.

• im$r%= "h s"%rag a!' ha!'*i!g -hara-"ris"i-s % "h $r%'#-"3

m!i!g.a".a! .ara."ris"i. $!im$a!a! 'a! $!a!ga!a! $r%'#.3

• mai!"ai! $r%'#-" >#a*i" '#ri!g s"%rag a!' "ra!s$%r"a"i%! a!' m!aga

.#a*i"as $r%'#. s*ama $!im$a!a! 'a! "ra!s$%r"asi 'a!

• r'#- righ" -%s" (*ss wa"r "% shi$)0 m!g#ra!gi ,iaa $!girima!

(*,ih s'i.i" air #!"#. .a$a*)0 P!gri!ga! a$*i.asi i!'#s"ri

m!gg#!a.a! .%!'#."i 'a! / a"a# "ra!sr $a!as .%!=."i $r%ss #!"#.

m!g#ra!gi .%!s!"rasi .%m$%!! =%*a"i* sisa 'a*am a*ira! $r%ss a!g

.aa s!awa !%!=%*a"i*0 Pri!si$1$ri!si$ $!gri!ga! $a'a"a! a!g miri$

'!ga! $r%ss "rma* *ai!!a s$r"i $!g#a$a!0 A.i,a"!a3 =a$%ra"%r

i!'#s"ri 'a! sis"m $!gri!ga! mmi*i.i .samaa! #!gsi%!a*3 "rmas#.



• s#m,r !rgi3

• #!"#. mm$r.!a*.a! $a.a! . 'a*am sis"m $!gri!ga!3

• sis"m $!g.%!'isia! #!"#. mmas"i.a! ,ahwa ma.a! 'a! a*ira! $r%'#.

,,as 'a*am msi! $!gri!g3

• "ra!sr $a!as 'a!

•

$misaha! #a$1$r%'#. $ra*a"a!0

Tm$ra"#r 'a*am A*a" $!gri!g

P!g#.#ra! "m$ra"#r #'ara 'a*am a*a" $!gri!g "i$ ra. 'i#.#r $a'a

m$a" "i"i. $!gama"a! ss#ai '!ga! #m*ah ra. $!gri!g a!g 'ig#!a.a!

mm$r*iha".a! ,ahwa 'is"ri,#si "m$ra"#r ra"a1ra"a m!i!g.a" "aam s"*ah

$r%ss $!gri!ga! 9? m!i"0 Sma.i! *ama $r%ss $!gri!ga! ma.i! "i!ggi

"m$ra"#r!a0 Pa'a a.hir $!gri!ga! ai"# wa."# 9@ m!i" "m$ra"#r

m!-a$ai 0? %C #!"#. .",a*a! 9 -m 'a! %C #!"#. .",a*a! 90? -m0

Tm$ra"#r a!"ara .",a*a! $!gri!ga! 9 -m '!ga! 90? -m3 *,ih "i!ggi

"m$ra"#r '!ga! .",a*a! $!gri!ga! 90? -m0 ha* i!i 'i'#ga sma.i! ",a*

$!gri!ga! sma.i! ,a!a. $a!as a!g 'isim$a! shi!gga3 m!,a,.a! $a!as

'i 'a*am a*a" $!gri!g *,ih "i!ggi0 Pa'a $r%ss $!gri!ga!3 sma.i! ,sar

$r,'aa! a!"ara s#h# m'ia $ma!as '!ga! ,aha! a!g 'i.ri!g.a!3 sma.i!

,sar $#*a .-$a"a! $i!'ah $a!as

;*m,a,a! R*a"i (R) 'a*am A*a" P!gri!g

Pr%ss $!gri!ga! a.a! ,r*a!gs#!g '!ga! ,ai. a$a,i*a 'i'#.#!g %*h

sir.#*asi #'ara a!g ,ai.0 Sir.#*asi #'ara sa!ga" 'i$!gar#hi %*h .*m,a,a!

r*a"i (R)0

Fa."%r #"ama a!g mm$!gar#hi $!gri!ga! ai"# a!g ,rh#,#!ga!

'!ga! #'ara $!gri!g m*i$#"i "m$ra"#r3 .*m,a,a! 'a! .-$a"a! a*ira!

#'ara0 Pr,'a! ".a!a! #a$ a!"ara -aira! 'i 'a*am ,aha! 'a! #a$ 'i *#ar ,aha!



.-i*3 ma.a $mi!'aha! a*ira! -aira! "rs,#" s'i.i"0 T.a!a! #a$ "rga!"#!g

$a'a .*m,a,a! r*a"i #'ara0 T##a! #"ama $!gri!ga! a'a*ah #!"#.

m!g#ra!gi .a!'#!ga! air ,aha! sam$ai ,a"as a!g ama! #!"#. 'isim$a!0 Fa."%r

#"ama a!g mm$!gar#hi $!gri!ga! ai"# .-$a"a! $!gri!ga! 'ari s#a"#

,aha $a!ga! ( B#.*3 9?)0 S*ama $!gri!ga! "ra'i $r%ss $r$i!'aha! $a!as

'a! massa0 Pr%ss $r$i!'aha! $a!as a'a*ah $r%ss m!g#a$.a! air 'ari 'a*am

,aha! a"a# $r%ss $r$i!'aha! ,!"#. air 'ari -air . gas0

BAB III

MATE&I DAN MET'DA

A. Maer%

( Ala.

1 A*a" $!gri!g ( Drr )0 1 S"%$ wa"-h0

1 Tim,a!ga! 'is,*ah 'a*am $!gri!g0

1 Dr ,#*, "m$ra"#r0

1 <" ,#*, "m$ra"#r0

1 P!garis0

( Ba)an0

1 2,i ;a#

B. Meoda

Pr%s'#r ;ra 5

- Di#.#r sam$* '!ga! m!g#!a.a! $!ggaris '!ga! #.#ra! P7 -m

3L 7 @3? -m3T7 9 -m 'a! 'i"im,a!g ,ra"!a3 .m#'ia! 'imas#..a!

. 'a*am wa'ah $!am$#!ga! m$a" $rsgi $aa!g0



- Dia"#r "m$ra"#r 'ia'a*am a*a" $!gri!g 'a! #.#r 'r ,#*, 'a! w"

,#*, "m$ra"#r0

- Di*"a.a! sam$* 'i a"as "r "im,a!ga! s,*ah 'a*am $!gri!g 'a!

'iamai"i $r#,aha! ,ra" $a'a s"ia$ $!gama"a!0

- Diama"i 'r ,#*, "m$ra"#r 'a! w" ,#*, "m$ra"#r 'i 'a*am

'rr $a'a s"ia$ $!gama"a!0

- Di-a"a" hasi*!a0

- Di h!"i.a! wa."# $!gri!ga! a$a,i*a ,ra" sam$* s#'ah sama

sam$ai m$a" .a*i0

- Dia-a"a" ,ra" sam$* '!ga! -ara ,ra" a.hir 'ari sam$* a'a*ah ,ra"

"a!$a air 'a! ss#'ah sam$* 'i'i!gi!.a! $a'a "m$ra"#r r#a!ga!0

C. *a+bar Percobaan



BAB I,DATA PEN*AMATAN

• 6 5 39 gr

• 6# 5 39 gr

• λ 5??39 ;;a*/.g

•

Sam$* 5 2,i ;a#



• 2.#ra! Sam$* 5 P 7 -m3 L 7 @3? -m3 T 7 9 -m0

• Bra" sam$* 5 39 grm

N'

Meassure+ens

T%+e

+en%

- T

/e%!)

0

- !ra+

Dr Bulb

Te+eraur - 3C

/e Bulb

Te+eraur - oC

4

9 H3?H 3 93

@ 9 H3@? 3 93

@ 3 3? @3 @ 3?@@@ 3H @3@

? 3@9 3 @3

?39 3 @3

H ? ?3H?@ 3 @3

?3@9 3 @3

H@ ?3@? 3 @3?

9 39 39 @3?

99 39 39 @3?

9@ 39 39 @3?

BAB ,

HA"IL #E&JA P&A#TE#

A. Anal%sa daa

Pen!erjaan Daa 1565758

90 L#as $rm#.aa! sam$* (Cm@) (A)



A ¿2 ( P×l )+2 ( P× t )+2 ( L× t )cm2

¿2 (3 X 2,5 )+2 (3×1 )+2 (2,5×1) cm2

¿2(7,5 )+2 (3 )+2 (2,5 ) cm2

¿15+6+5cm2

¿26cm2

@0 ;a'ar air a!g "r#a$.a! (<)

<¿ Qn

Q0−1

• +!i" .1

< ¿

Qn

Qo−1=

7,6957 gr

4,9810 gr−1

7 93?? 8 9

7 3??

• +!i" .1

< ¿

Qn

Qo−1=

6,2140 gr

4,9810 gr−1

7 93@H? 8 9

7 3@H?

• +!i" .1

<¿Qn

Qo−1=

5,9818 gr

4,9810 gr−1

7 93@ 8 9

7 3@



• +!i" .1?

<¿Qn

Qo−1=

5,7523 gr

4,9810 gr−1

7 939? 8 9

7 39?

0 +assa air a!g "r#a$.a! (gr/am)

+¿Qn−Qo

t

• +!i" .1

78menit

60menit X 1 jam

7 39 am

+¿Qn−Qo

t

¿8,0691 gram−7,6957 gram

0,13 jam =2,8723 gram / jam

• +!i" .1

740menit

60menit X 1 jam

7 3 am

+¿Qn−Qo

t

¿6,5222 gram−6,2140gram

0,66 jam =0,4669 gram / jam



• +!i" .1

748menit 60menit

X 1 jam

7 3 am

+¿Qn−Qo

t

¿6,2140 gram−5,9818 gram

0,8 jam =0,2902 gram / jam

• +!i" .1?

756menit

60menit X 1 jam

7 3 am

+¿Qn−Qo

t

¿5,9818 gram−5,7523 gram

0,93 jam =0,2467 gram/ jam

0 +!ghi"#!g $a!as a!g 'i"rima (;a*/am) (6)

67 + λ

λ=545,1

kkal

Kg X

1 kg

1000gr X

1000 kal

1 Kkal

7 ??39kal

gr

• +!i" ;1

6 7 @3H@ gr/am 4 ??39 .a*/gr

7 9??3?@ .a*/am



• +!i" ;1

6 7 3 gr/am 4 ??39 .a*/gr 7 @?3? .a*/am

• +!i" ;1

6 7 @3@ gr/am 4 ??39 .a*/gr

7 9?39 .a*/am

• +!i" ;1?

6 7 @3H gr/am 4 ??39 .a*/gr 7 93@ .a*/am

?0 +!ghi"#!g ;%isi! $r$i!'aha! $a!as .%!=.si (;a*/am0-m@0%C) (h)

h 7Q

A .( t − tw)

• +!i" .1

h 7

1565,52 kal

jam

26 cm2 (68,0−61,4 )℃

7

1565,52 kal

jam

171,6 cm2.℃

7 39@ .a*/am0-m@0%C

• +!i" .1

h 7

254,50 kal

jam

26 cm2 (68,8−62,3 )℃

7

254,50 kal

jam

169 cm2.℃

7 93?? .a*/am0-m@0%C



• +!i" .1

h 7

154,18 kal jam

26 cm2 (68,9−62,3 )℃

7

154,18 kal

jam

171,6 cm2.℃

7 3@9H .a*/am0-m@0%C

• +!i" .1?

h 7

144,28 kal

jam

26 cm2 (69,0−62,4 )℃

7

144,28 kal

jam

171,6 cm2.℃

7 3H .a*/am0-m@0%C

0 +!ghi"#!g ;-0 P!gri!ga! (RC) (gr/am0 Cm@

)

R- 7h(t −tw)

λ

• +!i" .1

R-7

9,1230 kal

cm2

. jam.℃

.(68,0−61,4)℃

545,1 kal /gr

7 399 gr/am0 Cm

@

• +!i" .1

R-7

1,5059 kal

cm2

. jam.℃

.(68,8−62,3)℃

0,0179kal /gr

7 39H gr/am0 Cm@

• +!i" .1



R-7

0,9217 kal

cm

2

.

jam .℃

.(68,9−62,3)℃

545,1kal /gr

7 3999 gr/am0 Cm@

• +!i" .1?

R-7

0,8407 kal

cm2

. jam .℃

.(69,0−62,4)℃

545,1kal /gr

7 39H gr/am0 Cm@



b. Tabulas% Daa

N'

Meassure+ensCalcula%ons

T%+e

+en%

T

/e%!)

0

!ra+

Dr Bulb

Te+eraur

3C

/e Bulb

Te+eraur

oC

T4

Luas

er+ukaan

"a+el

A

c+2

#adar

A%r

/

Massa a%r

M

!ra+9ja+

Panas an!

d%er%+a

0

kal9ja+

#oe$%s%en

)

#al9ja+.c+2.oC

#eceaan

Pen!er%n!an

&c

!r9ja+. C+2

9 H3?H 3 93@

3??@3H@

9??3@39@ 399

@ 9 H3@? 3 93 @ 3?@@39@?

99?039 39H@

@ 3 3? @3 @ 3@@3?

@@3993@H 3H?H

@ 3?@@@ 3H @3@ @ 3@3@

93H93H?? 3@@

? 3@9 3 @3 @ 3@H? 3 @?3? 93?? 39H

?39 3 @3 @ 3@3@@

9?393@9H 3999



H ? ?3H?@ 3 @3 @ 09?3@H

93@3H 39H

?3@9 3 @3 @ 3993@

9390H9 3

H@ ?3@? 3 @3?@

393

@H393?@ 3H

9 39 39 @3? @ 393H

@933@ 3@

99 39 39 @3?

9@ 39 39 @3?



C. *ra$%k



BAB ,I

#E"IMPULAN

6.1 #es%+ulan

Dari hasi* $r-%,aa! m%'#* $!gri!ga! &a" $a'a" '!ga! sam$* r%"i "awar

'!ga! #.#ra! *#as $rm#.aa! ? -m@ a!g .ami *a.#.a!3 ma.a .ami 'a$a"

mm,ri.a! .sim$#*a! 5

90 Sma.i! "i!ggi s#h# ma.a3.-$a"a! $!gri!ga! a.a! sma.i! -$a"0

@0 Sma.i! *ama wa."# $!gri!ga! ma.a3.a'ar air sma.i! s'i.i"

0 Sma.i! "i!ggi s#h# w" ,#*, 'a! 'r ,#*, ma.a3,ra" sam$* a.a!

sma.i! .-i*



DA:TA& PU"TA#A

Ga!.%$*is3 C0 J03 93Tra!s$%r" Pr%-sss a!' 2!i" O$ra"i%!3 !' E'i"i%!3

Pr!"i- a**3 I!-3 20S0A

+-Ca,3 <0 L03 a!' J0 C03 Smi"h0 90O$rasi T.!i. ;imia3 'isi .m$a"3

i*i' @3 Er*a!gga3 Ja.ar"a

+#sa''a'3 is"iari!a 'a! E0 +#s"i!i!gsih0 K T.!i. P!gri!ga! Da*am O=!

2!"#. Irisa! <%r"* ;ri!g Brm#"#0 Ba*ai P!*i"ia! Ta!ama! Sa#ra!5

Ba!'#!g3 @0

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