Uji Variasi Diameter Lubang Nampan Pengering Ubi Kayu (Manihot Esculenta) Tipe Kabinet Terhadap Kualitas Hasil Pengeringan

  Lampiran 1. Flow Chart Pelaksanaan Penelitian.

  Mulai Dikupas dan dibersihkan ubi kayu

  Dilakukan Pengamatan Parameter 1.

  Kadar air 2. Rendemen 3. Kapasitas olah 4.

  Dipotong dan Disusun ubi kayu pada nampan dengan diameter 3mm, 5mm, dan 7mm

  Dimasukkan nampan kealat pengering Dihidupkan alat pengering dengan suhu 60

  o

  C Diangkat nampan dari alat pengering tipe kabinet

Uji organoleptik

  Pengolahan data Lampiran 2. Data Pengamatan Kadar Air Awal Setelah pengeringan Ulangan

  Perlakuan Total Rataan

  I II

  III P1 21,76 22,35 19,94 64,65 21,36 P2 13,73 10,91 10,63 35,27 11,76 P3 10,06 11,01 8,84

  29.91

  9.97 Total 45.55 44,27 39,41 129.83 43,06 Rataan 42,01 43,572 45,776 14,36 Analisis sidik ragam uji kadar air

  SK DB JK KT F Hitung Sig. ket F0,05 F0,01 Perlakuan 2 225.0084 112.504 59.11041 0.000113 ** 5.143 10.924 Galat 6 11.41973 1.90329 Total 8 236.4281

  Ket : tn = tidak nyata = nyata * = sangat nyata **

  Lampiran 3. Data uji rendemen(%) Ulangan

  Perlakuan Total Rataan

  I II

  III P1 59,25 58,37 56,62 174,24 58,08 P2 47,5 48,75 46 142,26 47,42 P3 44,5 57,25 46,8 138,6 46,2 Total 151,25 164,37 149,42 455,1 Rataan 50,42 54,76 49,80 50,57 Analisis sidik ragam uji rendemen

  DB JK KT F Sig. ket F0.05 F0.01

  10.92 Perlakuan 2 256.76 128.38 65.679 8.33485E-05 5.14 ** Galat 6 11.728 1.9547 Total 8 268.49

  Ket : tn = tidak nyata = nyata * = sangat nyata **

  Lampiran 3. Data uji tingkat kecerahan(%) Ulangan

  Perlakuan Total Rataan

  I II

  III P1 55,07 55,41 58,58 169,06 56,35 P2 62,76 63,16 65,17 191,09 63,70 P3 66,76 66,60 67,81 201,17 67,06 Total 184,59 185,17 191,56 455,1 Rataan 61,53 61,72 63,85 62,37 Analisis sidik ragam uji rendemen

  DB JK KT F Sig. ket F0.05 F0.01

  10.92 Perlakuan 2 179.7755 89.888 46.11599 0.000228 **

  5.14 Galat 6 11.695 1.949 Total 8 191.4705

  Ket : tn = tidak nyata = nyata * = sangat nyata **

• – 5,48 6,69
• – 5,333 6,24
• – 5,29 5,81

• –6,16 11,74
• – 6,29 8,56
• – 6,3 9,32
• – 5,49 7,93
• – 6,60 9,98

  9,98

  Sampel 8 =

  × 100 % = 30,76 %

  7,93

  Sampel 7 =

  × 100 % = 32,40%

  9,32

  Sampel 6 =

  × 100 % = 26,51 %

  8,56

  Sampel 5 =

  × 100 % = 11,74 %

  6,98

  Sampel 4 =

  × 100 % = 8,95 %

  5,81

  Sampel 3 =

  × 100 % = 14,58 %

  6,24

  Sampel 2 =

  × 100 % = 16,09 %

  6,69

  Ulangan 1 Sampel 1 =

  Berat ubi basah × 100 %

  Kadar Air = Berat ubi basah – Berat ubi kering

  Perlakuan D1 = 3 mm

  Lampiran 4. Perhitungan Kadar air.

  × 100 % = 33,19 %

• – 5,33 6,16
• – 4,45 5,24
• – 6,68 7,56

• – 5,66 6,82
• – 5,59 7,48
• – 6,79 10,16
• – 5,75 8,63
• – 4,87 6,94

  × 100 % = 29,8 % = 59,35 %

  6,94

  Sampel 8 =

  × 100 % = 33,37 %

  8,63

  Sampel 7 =

  × 100 % = 33,16 %

  10,16

  Sampel 6 =

  × 100 % = 25,26 %

  7,48

  × 100 % = 17,00 %

  Sampel 5 =

  6,82

  Sampel 4 =

  × 100 % = 11,64 %

  7,56

  Sampel 3 =

  × 100 % = 15,07 %

  5,24

  Sampel 2 =

  × 100 % = 13,47 %

  6,16

  Ulangan II Sampel 1 =

  Rata-rata ulangan II = 22,35 %

  Ulangan III

  5,81

• – 5,21

  Sampel 1 = × 100 %

  5,81

  = 10,32 %

  4,66

• – 4,25

  Sampel 2 = × 100 %

  4,66

  = 15,87 %

  4,61

• – 4,13

  Sampel 3 = × 100 %

  4,61

  = 10,41 %

  4,47

• – 3,90

  Sampel 4 = × 100 %

  4,47

  = 18,79 %

  4,91

• – 4,03

  Sampel 5 = × 100 %

  4,91

  = 17,92 %

  4,58

• – 3,67

  Sampel 6 = × 100 %

  4,58

  = 19,86 %

  12,70

• – 8,37

  Sampel 7 = × 100 %

  12,70

  = 31,73 %

  9,45

• – 6,18

  Sampel 8 = × 100 %

  6,18

  = 34,60 % Rata-rata ulangan III = 19,94%

  Perlakuan D2 = 5mm

  Ulangan I

  7,78

• – 7,44

  Sampel 1 = × 100 %

  7,78

  = 4,37 %

  7,56

• – 6,94

  × 100 % Sampel 2 =

  7,56

  = 8,20 %

  6,88

• – 6,04

  Sampel 3 = × 100 %

  6,88

  = 12,20 %

  5,77

• – 5,08

  Sampel 4 = × 100 %

  5,77

  = 11,95 %

  5,84

• – 5,26

  Sampel 5 = × 100 %

  5,84

  = 5,84 %

  6,00

• – 4,89

  Sampel 6 = × 100 %

  6,00

  = 18,5 %

  6,71

• – 5,53

  Sampel 7 = × 100 %

  6,71

  = 17,58 %

  7,64

• – 5,57

  Sampel 8 = × 100 %

  27,09

  = 27,09 % Rata-rata ulangan I =13,73%

• – 10,83 11,46
• – 7,44 8,05
• – 6,44 7,01

• – 4,43 4,73
• – 6,27 6,83
• – 4,64 5,33
• – 4,63 5,42
• – 5,94 7,49

  × 100 % = 20,69 % = 23,64 %

  7,49

  Sampel 8 =

  × 100 % = 14,52 %

  5,42

  Sampel 7 =

  × 100 % = 12,94 %

  5,33

  Sampel 6 =

  × 100 % = 11,59 %

  6,83

  × 100 % = 6,34 %

  Sampel 5 =

  4,73

  Sampel 4 =

  × 100 % = 8,13 %

  7,01

  Sampel 3 =

  × 100 % = 7,57 %

  8,05

  Sampel 2 =

  × 100 % = 5,49 %

  11,46

  Ulangan II Sampel 1 =

  Rata-rata ulangan II = 10,91 %

• – 6,18 6,35
• – 4,47 6,09
• – 4,06 4,40

• – 4,46 5,00
• – 4,44 4,73
• – 4,04 4,74,
• – 3,41 4,02
• – 3,65 4,67

  × 100 % = 21,84 %

  4,67

  Sampel 8 =

  × 100 % = 15,17%

  4,02

  Sampel 7 =

  × 100 % = 14,76 %

  4,74

  Sampel 6 =

  × 100 % = 5,91 %

  4,73

  × 100 % = 10,8 %

  Sampel 5 =

  5,00

  Sampel 4 =

  × 100 % = 7,17%

  4,40

  Sampel 3 =

  × 100 % = 6,09 %

  4,76

  Sampel 2 =

  × 100 % = 2,67 %

  6,35

  Ulangan III Sampel 1 =

  Rata-rata ulangan II = 10,63%

  Perlakuan D3 = 7mm

  Ulangan I

  5,99

• – 5,77

  Sampel 1 = × 100 %

  5,99

  = 3,62 %

  5,95

• – 5,74

  × 100 % Sampel 2 =

  5,95

  = 3,52 %

  5,58

• – 5,11

  Sampel 3 = × 100 %

  5,58

  = 8,42 %

  3,88

• – 3,54

  Sampel 4 = × 100 %

  3,88

  = 8,76 %

  7,04

• – 6,59

  Sampel 5 = × 100 %

  7,04

  = 6,39 %

  4,86

• – 4,15

  Sampel 6 = × 100 %

  4,86

  = 14,60 %

  4,66

• – 3,94

  Sampel 7 = × 100 %

  4,66

  = 15,45 %

  4,35

• – 3,49

  Sampel 8 = × 100 %

  4,35

  = 19,7 % Rata-rata ulangan I = 10,06 % Ulangan II

  6,91

• – 6,66

  Sampel 1 = × 100 %

  6,91

  = 3,61 %

  6,12

• – 5,73

  Sampel 2 = × 100 %

  6,12

  = 7,13 %

  5,08

• – 4,67

  Sampel 3 = × 100 %

  5,08

  = 8,07 %

  4,87

• – 4,16

  Sampel 4 = × 100 %

  4,87

  = 14,57 %

  5,48

• – 5,11

  Sampel 5 = × 100 %

  5,48

  = 6,75%

  4,10

• – 3,63

  Sampel 6 = × 100 %

  4,10

  = 11,46 %

  4,35

• – 3,59

  Sampel 7 = × 100 %

  4,35

  = 17,47 %

  5,07

• – 4,03

  Sampel 8 = × 100 %

  5,07

  = 19,08 % Rata-rata ulangan II = 11,01%

• – 5,68 5,90
• – 7,50 7,80
• – 7,24 7,75

• – 6,17 6,85
• – 5,74 6,16
• – 5,14 5,70
• – 5,24 5,94
• – 4,55 5,57

  × 100 % = 18,31 %

  5,57

  Sampel 8 =

  × 100 % = 11,78 %

  5,94

  Sampel 7 =

  × 100 % = 9,82 %

  5,70

  Sampel 6 =

  × 100 % = 6,81 %

  6,16

  × 100 % = 9,92 %

  Sampel 5 =

  6,85

  Sampel 4 =

  × 100 % = 6,58 %

  7,75

  Sampel 3 =

  × 100 % = 3,79 %

  7,80

  Sampel 2 =

  × 100 % = 3,72 %

  5,90

  Ulangan III Sampel 1 =

  Rata – rata ulangan III = 9,97 %

  Lampiran 5. Perhitungan Rendemen

  Berat akhir Rendemen = × 100 % Berat awal

  Perlakuan (D1): 3mm 2,37

  Ulangan 1 = × 100 %

  4

  = 59,25 %

  2,36

  × 100 % Ulangan 2 =

  4

  = 58,37 %

  2,265

  Ulangan 3 = × 100 %

  4

  = 56,62 %

  Perlakuan (D2): 5mm 1,9

  Ulangan 1 = × 100 %

  4

  = 47,5 %

  1,95

  Ulangan 2 = × 100 %

  4

  = 48,75 %

  1,840

  × 100 % Ulangan 3 =

  4

  = 46%

  Perlakuan (D3): 7mm 1,78

  Ulangan 1 = × 100 %

  4

  = 44,5 %

  1,89

  Ulangan 2 = × 100 %

  4

  1,87

  Ulangan 3 = × 100 %

  4

  = 46,8% Lampiran 6. Gambar alat Alat pengering kabinet

  Alat pengering kabinet saat memuat ubi kayu Alat Pengering kabinet saat pengeringan Lampiran 7. Komponen alat pengering kabinet Blower

  Rak Regulator gas bertekanan tinggi

  Screen radiator

  Tabung gas Nampan dengan diameter lubang 3mm Nampan dengan diameter lubang 5mm

Lampiran 8.Gambar chip ubi kayu Chip ubi kayu

  Chip ubi kayu sebelum di keringkan Lampiran 9. Gambar tampak depan alat Skala 1 : 1

  Lampiran 10. Gambar tampak penampang pemanas Skala 1 : 1

  Lampiran 10. Gambar tampak penampang rak Skala 1 : 1

  Lampiran 11. Gambar screen radiator Skala 1 : 1

  Lampiran 12. Gambar tampak samping lubang pengeluaran udara Skala 1 : 1

  Lampiran 13. Gambar teknik nampan Skala 1 : 1