LAPORAN SEMENTARA PRAKTIKUM OPERASI TEKNIK KIMIA 2
PENGERINGAN BENDA PADATKelompok : IV (Empat)
Nama Anggota : Arief Rachman
Eva Yuliana
Johan Tanada Data Percobaan:
Massa Tray 1 (WT1) = 0.34984 Kg
Massa Tray 2 (WT2) = 0.34995 Kg
Massa Tray 3 (WT3) = 0.34170 Kg
Pasir Basah 1 (Wm1) = 0.50010 Kg
Pasir Basah 2 (Wm2) = 0.50012 Kg
Pasir Basah 3 (Wm3) = 0.50011 Kg
WT1 + Wm1 = 0.84994 Kg
WT2 + Wm2 = 0.85007 Kg
WT3 + Wm3 = 0.84181 Kg Cawan = 0.08619 Kg
Cawan + Wb = 0.13629 Kg
Wb = 0.05001 Kg
Cawan + Wc = 0.13400 Kg
Wc = 0.04709 Kg
Panjang Tray (p) = 0.275 m Lebar Tray (l) = 0.185 m
Luas Tray (A) = 0.05088 m2 Beda Waktu = 10 menit
Tebal Pasir = 0.08 m
% Kadar air mula-mukla = 6.20%Hasil Pengamatan :
a. Pengeringan yang dilakukan dengan memvariasikan kecepatan
udara pengering
1. Tg = 8 dan F = 4NoWaktu (menit)Massa pasir + Tray (Kg)Pasir
Basah (Kg)Kadar Air, XLaju Pengeringan, NTg (0C)Tw (0C)Fw (m/s)
000.849940.50010.06611
1100.841260.491420.047600.0170644320.64
2200.833010.483170.030020.0162259340.66
3300.822990.473150.008660.0197059350.77
4400.822210.472370.006990.0015360360.74
5500.820610.470770.003580.0031460.5360.75
6600.819480.469640.001170.0022261360.75
7700.819430.469590.001079.828E-0561360.72
8800.819420.469580.001041.9656E-0560.535.50.72
2. Tg = 9 dan F = 5NoWaktu (menit)Massa pasir + Tray (Kg)Pasir
Basah (Kg)Kadar Air, XLaju Pengeringan, NTg (0C)Tw (0C)Fw (m/s)
000.850070.500120.06611
1100.836050.48610.036220.0275661360.72
2200.828260.478310.019620.0153161360.79
3300.822780.472830.007930.0107762350.71
4400.820170.470220.002370.0051363350.78
5500.819620.469670.001200.0010862360.75
6600.819610.469660.001180.0000261360.75
3. Tg =10 dan F = 6NoWaktu (menit)Massa pasir + Tray (Kg)Pasir
Basah (Kg)Kadar Air, XLaju Pengeringan, NTg (0C)Tw (0C)Fw
000.841810.500110.06611
1100.8250.48330.030270.0330461360.72
2200.817340.475640.013940.0150661350.87
3300.813550.471850.005870.007456235.50.75
4400.81210.47040.002770.0028561350.72
5500.811350.469650.001180.0014762350.75
Pekanbaru, 12 April 2014
Asisten,
Didi
