Disain dan Uji Coba Alat Pengering Kelapa Parut (Cocos nucifera) dengan Sumber Panas dari Pemanas Listrik dan dengan Sistem Sirkulasi Udara Pengering secara Parsial

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S t e p h e n L i m . F 1 7 . 0 5 4 6 . D i s a i n d a n u j i c o b a a l a t

p e n g e r i n g k e l a p a p a r u t ( C o c o s n u c i i e r a ) d e n g a n s u m b e r o a n a s d a r i p e m a n a s l i s t r i k d a n d e n g a n s i r k u l a s i u d a r a p e n g e r i n g

s e c a r a p a r s i a l . D i b a w a h b i m b i n g a n S u s i l o S a r w o n o d a n S i s w a d h i S o e p a r j o .

RINGKASAN

U n t u k m e m e n u h i k e b u c u h a n p a n g a n y a n g s e m a k i n m e n i n g k a t , b u a h k e l s p a d a p a t d i m a n f a a t k a n . B u a h k e l a p a m e r u p a k a n s u m b e r y a n g b a i k d a r i m i n y a k , j u g a p r o t e i n y a n g b e r n i l a i g i z i t i n g g i y a i t u p r o t e i n y a n g m ~ n g a n d u n g a s a m a m i n o e s e n t i a l y a n g l e n g k a p d a n d a l a m j u r n l a h y a n g c u k u p t i n g g i . B u a h k e l a p a d a p a t d i m a n - f a a t k a n u n t u k b e r b a g a i k e p e r l u a n s e p e r t i m i n y a k g o r e n g , s a c t a n p e r a s a d a l a m p e m b u a t a n k u e d a n o i s k u i t .

D a l a m u s a h a r n e m u d a h k a n p e m a k a i a n , b u a h k e l a p a d a p a t d i -

o l a h m e n j a d i k o p r a d a n k e l a p a p a r u t k e r i n g ( d e s i c c a t e d c o c o n u t ) . T u j u a n d a r i p e n e l i t i a n i n i a d a l a h u n t u k r n e n d i s a i n d a n

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Dalam p ~ r l a k u a n t a n p a b a h a n , s u h u m a k s i m u m y a n g t e r c a - p a i s e l a m a 1 5 0 m e n i t p e n g a n a t a n , l e b i h t i n g g i p a d a p e r l a k u a n d e n g a n s i r k u l a s i u l a n g y a i t u 7 l . e o c , s e d a n g k a n b i l a t a n p a d i s i r k u l a s i h a n y a 6 5 . 5 " ~ . I n i m e n u n j u k k s n b a h w a d e n g a n men- s i r k u l a s i u l a n g u d a r a p e n g e r i n g d a p a t m e n a i k a n s u h u u d a r a p e n g e r i n g .

P e m a k a i a n e l e n e n d e n g a n d a y a 1 5 0 0 w a t t d a n s i r k u l a s i u l a n g , m e m b e r i k a n h a s i l y a n g b a i k y a k n i b e r w a r n a p u t i h , b e r - b a u h a r u m d a n t i d a k g o s o n g d e n g a n k a d a r a i r s e k i t a r 2%.

W a k t u y a n g d i b u t u h k a n u n t u k m e n u r u n k a n k a d a r a i r s a r n p a i s e - k i t a r 2% t e r s e b u t a d a l a h s k i t a r 7 . 5 jam p a d a p r o s e s i n i . P e n g e r i n g a n d e n g a n p e n g g u n a a n e l e m e n 2 4 0 0 w a t t d e n g a n s i r k u - l a s i u l a n g u d a r a p e n g e r i n g r n e m b e r i k a n h a s i l y a n g k u r a n g b a i k y a i t u b e r w a r n a c o k l a t , s e d i k i t h a n g u s p a d a k a d a r a i r s ~ k i t a r 5%.

M e n s i r k u l a s i u l a n g u d a r a p e n g e r i n g d a p a t r n e n a i k a n e f - f i s i e n s i p e n g g u n a a n p a n a s s e k i t a r l h . 9 4 % .

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D l S A i N 0P.k UJi CDaA A L A T F E N G E R I M G K E L A F A P P R U T ( C m s n u c i f s r a )

DENGAN SUivlBER P A N A S D A R I P E M A N A S L I S T R I K DRP,,! CEtNGAM ' I S T E N

S I R K U L A S I UDRRR P E M G E R I N G SECARA P R R S I A L

o l e h

S T E P H E N L I M

F

17.05116

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D I S A I N D A N U J I COBA A L A T P E N G E R I M G K E L A P A P A R U T ( C o c o s n u c i f e r a )

DENGAN SUMEER P A N A S D A R I P E M A N A S L I S T R I K DAN DENGAN S I S T E M

S I R K U L A S I UDARA P E N G E R I N G SECARA P A R S I A L

o l e h

S T E P H E N L I M

F 1 7 . 0 5 4 6

S K R I P S I

m e r u p a k a n t u g a s a k h i r

d a n s e b a g a i s y a r a t u n t u k m e r a i h g e l a r S R R J A N A T E K N O L G G I P E R T A N I A N

p a d a

J u r u s a n M e k a n i s a s i P e r t a n i a n F a k u l t a s T e k n o l o g i P e r t a n i a n

I n s t i t u t P e r t a n i a n B o g o r

1 9 8 5

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I N S T I T U T PERTANIAh! 8OGOR FAKULTRS TEKNDLOGI PERTANIAN

D I S R I N DRN U J I COBA ALAT PENGERIMG KELAPA PARUT ( m s n u c i f e r a ) OENGAN SUMBER PANAS OAR1 PEMANAS L I S T R I K DAN OENGAh! S I S T E M

S I R K U L R S I UDRRA PENGERING SECRRA P R R S I A L

S K R I P S I

m e r u p a k a n t u g a s a k h i ~

d a n s e b a g a i s y a r a t u n t u k m e r a i h g e l a r SARJANA TEKNOLOGI PERTANIAN

p a d a

o l e h STEPHEN L I M

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KATA PENGANTAR

P u j i d a n s y u k u r d i p a n j a t k a n k e h a d a p a n A l l a h k a r e n a h a n y a d e n g a n r a h m a t N y a l a h m a k a s k r i p s i i n i d a p a t p ~ n u l i s s e l e s a i k a n .

D a l a m k e s e m p a t a n i n i , p e n u l i s m e n g u c a p k a n t e r i r n a k a s i h k e p a d a :

1. I r . S u s i l o S a r w o n o d a n P r o f . D r . Z r . S i s w a d h i S o e p a r j o MSAE, s e l a k u d o s e n p e m b i m b i n g ,

2 . P i h a k I P B p a d a umumnya d a n F a k u l t a s T e k n o l o g i P e r t a n i a n p a d a k h u s u s n y a , a t a s t e m p a t d a n k e s e m p a t a n y a n g d i b e r i k a n s e h i n g g a p e n u l i s m e n y e l e s a i k a n s t u d i n y a .

3. P e m e r i n t a h N e g e r i S a b a h a t a s b i a s i s w a y a n g d i b e r i k a n , 4 . K e p a l a b e n g k e l J u r u s a n M e k a n i s a s i P e r t a n i a n , F a k u l t a s

T e k n o l o g i P e r t a n i a n , I P B , a t a s p e m i n j a m a n f a s i l i t a s se- l a m a p e n e l i t i a n , j u g a k e p a d a k a r y a w a n b e n g k e l y a n g b a n y a k m e m b a n t u s e h i n q g a p e n e l i t i a n b e r h a s i l d i s e l e s a i k a n .

5. A t a s d o a d a n p e n g e r t i a n d a n d u k u n g a n y a n g d i b e r i k a n o l e h k e d u a o r a n g t u a n y a , a d i k s e r t a k a k a k s e l a m a p e n u l i s men- y e l e s a i k a n s t u d i n y a d i r a n t a u o r a n g .

P e n u l i s m e n y a d a r i b a h w z t u l i s a n i n i m a s i h b e l u m s e m p u r n a . K r i t i k d a n s a r a n s a n g a t p e n u l i s h a r a p k a n d e m i p e r t a i k a n t u l i - s a n s e l a n j u t n y a . S e m o g a t u l i s a n i n i b e r m a n f a a t b a g i o r a n g y a n g m e m e r l u k a n n y a .

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DAFTAR I S 1 H a l a r n a n KATA PELGANTAR

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LATAR BELAKANG 1

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3 TUJURN P E N E L I T I A N 4 11

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TINJAUAN PUSTAKA

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KELAPA

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a Urnurn 5

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P e r k e m b a n g a n S u h u R u a n g P e n g e r i n g . U d a r a K e l u a r C e r o b o n g d a n S u h u B a h a n S e l a m a

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S t e p h e n L i m . F 1 7 . 0 5 4 6 . D i s a i n d a n u j i c o b a a l a t

p e n g e r i n g k e l a p a p a r u t ( C o c o s n u c i i e r a ) d e n g a n s u m b e r o a n a s d a r i p e m a n a s l i s t r i k d a n d e n g a n s i r k u l a s i u d a r a p e n g e r i n g

s e c a r a p a r s i a l . D i b a w a h b i m b i n g a n S u s i l o S a r w o n o d a n S i s w a d h i S o e p a r j o .

RINGKASAN

U n t u k m e m e n u h i k e b u c u h a n p a n g a n y a n g s e m a k i n m e n i n g k a t , b u a h k e l s p a d a p a t d i m a n f a a t k a n . B u a h k e l a p a m e r u p a k a n s u m b e r y a n g b a i k d a r i m i n y a k , j u g a p r o t e i n y a n g b e r n i l a i g i z i t i n g g i y a i t u p r o t e i n y a n g m ~ n g a n d u n g a s a m a m i n o e s e n t i a l y a n g l e n g k a p d a n d a l a m j u r n l a h y a n g c u k u p t i n g g i . B u a h k e l a p a d a p a t d i m a n - f a a t k a n u n t u k b e r b a g a i k e p e r l u a n s e p e r t i m i n y a k g o r e n g , s a c t a n p e r a s a d a l a m p e m b u a t a n k u e d a n o i s k u i t .

D a l a m u s a h a r n e m u d a h k a n p e m a k a i a n , b u a h k e l a p a d a p a t d i -

o l a h m e n j a d i k o p r a d a n k e l a p a p a r u t k e r i n g ( d e s i c c a t e d c o c o n u t ) . T u j u a n d a r i p e n e l i t i a n i n i a d a l a h u n t u k r n e n d i s a i n d a n

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Dalam p ~ r l a k u a n t a n p a b a h a n , s u h u m a k s i m u m y a n g t e r c a - p a i s e l a m a 1 5 0 m e n i t p e n g a n a t a n , l e b i h t i n g g i p a d a p e r l a k u a n d e n g a n s i r k u l a s i u l a n g y a i t u 7 l . e o c , s e d a n g k a n b i l a t a n p a d i s i r k u l a s i h a n y a 6 5 . 5 " ~ . I n i m e n u n j u k k s n b a h w a d e n g a n men- s i r k u l a s i u l a n g u d a r a p e n g e r i n g d a p a t m e n a i k a n s u h u u d a r a p e n g e r i n g .

P e m a k a i a n e l e n e n d e n g a n d a y a 1 5 0 0 w a t t d a n s i r k u l a s i u l a n g , m e m b e r i k a n h a s i l y a n g b a i k y a k n i b e r w a r n a p u t i h , b e r - b a u h a r u m d a n t i d a k g o s o n g d e n g a n k a d a r a i r s e k i t a r 2%.

W a k t u y a n g d i b u t u h k a n u n t u k m e n u r u n k a n k a d a r a i r s a r n p a i s e - k i t a r 2% t e r s e b u t a d a l a h s k i t a r 7 . 5 jam p a d a p r o s e s i n i . P e n g e r i n g a n d e n g a n p e n g g u n a a n e l e m e n 2 4 0 0 w a t t d e n g a n s i r k u - l a s i u l a n g u d a r a p e n g e r i n g r n e m b e r i k a n h a s i l y a n g k u r a n g b a i k y a i t u b e r w a r n a c o k l a t , s e d i k i t h a n g u s p a d a k a d a r a i r s ~ k i t a r 5%.

M e n s i r k u l a s i u l a n g u d a r a p e n g e r i n g d a p a t r n e n a i k a n e f - f i s i e n s i p e n g g u n a a n p a n a s s e k i t a r l h . 9 4 % .

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D l S A i N 0P.k UJi CDaA A L A T F E N G E R I M G K E L A F A P P R U T ( C m s n u c i f s r a )

DENGAN SUivlBER P A N A S D A R I P E M A N A S L I S T R I K DRP,,! CEtNGAM ' I S T E N

S I R K U L A S I UDRRR P E M G E R I N G SECARA P R R S I A L

o l e h

S T E P H E N L I M

F

17.05116

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D I S A I N D A N U J I COBA A L A T P E N G E R I M G K E L A P A P A R U T ( C o c o s n u c i f e r a )

DENGAN SUMEER P A N A S D A R I P E M A N A S L I S T R I K DAN DENGAN S I S T E M

S I R K U L A S I UDARA P E N G E R I N G SECARA P A R S I A L

o l e h

S T E P H E N L I M

F 1 7 . 0 5 4 6

S K R I P S I

m e r u p a k a n t u g a s a k h i r

d a n s e b a g a i s y a r a t u n t u k m e r a i h g e l a r S R R J A N A T E K N O L G G I P E R T A N I A N

p a d a

1 9 8 5

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I N S T I T U T PERTANIAh! 8OGOR FAKULTRS TEKNDLOGI PERTANIAN

D I S R I N DRN U J I COBA ALAT PENGERIMG KELAPA PARUT ( m s n u c i f e r a ) OENGAN SUMBER PANAS OAR1 PEMANAS L I S T R I K DAN OENGAh! S I S T E M

S I R K U L R S I UDRRA PENGERING SECRRA P R R S I A L

S K R I P S I

m e r u p a k a n t u g a s a k h i ~

d a n s e b a g a i s y a r a t u n t u k m e r a i h g e l a r SARJANA TEKNOLOGI PERTANIAN

p a d a

o l e h STEPHEN L I M

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