BAB III NERACA MASSA
Hasil perhitungan neraca massa pada proses pembuatan LLDPE dengan kapasitas produksi 175.000 tontahun atau setara dengan
22095,95960
kgjam sebagai berikut :
Basis perhitungan : 1 jam operasi
Waktu operasi : 330 hari tahun
Satuan operasi : kgjam
3.1 Splitter I S-101
Tabel 3.1 Neraca Massa Splitter I S-101
Alur Input kgjam
Output kgjam 6
7 = 8 9 = 10
N
2
2120,11808 1251,61325
868,50483
Total
2120,11808 2120,11808
3.2 Mix Point I S-201
Tabel 3.2 Neraca Massa Mix Point I S-201
Alur Input kgjam
Output kgjam 1 = 2 = 3
4 = 5 9 = 10
11 14 = 15 = 16
17 = 18 C
2
H
4
- 21139,76753
- -
7196,66837 28336,43590
1-C
4
H
8
- -
- 1514,77416 13057,35322
14572,12738 H
2
7,33753 -
- -
267,12265 274,460180
N
2
- -
868,50483 -
42296,11554 43164,62037
Total 7,33753 21139,76753 868,50483 1514,77416 62817,25978
86347,64383 86347,64383
86347,64383
3.3 Splitter II S-301
Tabel 3.3 Neraca Massa Splitter II S-301
Alur Input kgjam
Output kgjam 8
23 = 24 25
26
N
2
1251,61325 883,83838
339,55177 28,22310
Total 1251,61325
1251,61325
III-1
Universitas Sumatera Utara
3.4 Mix Point II S-302
Tabel 3.4 Neraca Massa Mix point III S-302
Alur Input kgjam
Output kgjam 26
42 27
N
2
28,22310 -
28,22310 H
2
O -
46,69598 46,69598
Total 28,22310
46,69598 74,91908
74,91908 74,91908
3.5 Fluidized Bed Reactor R-201
Tabel 3.5 Neraca Massa Fluidized bed reactor R-201
Alur Input kgjam
Output kgjam 12
13 18
20 14
19
C
2
H
4
- -
28336,43590 4771,53859 7196,66837
5301,70955 1-C
4
H
8
- -
14572,12738 272,65935
13057,35322 302,95483
H
2
- -
274,460180 49,07868
267,12265 54,53187
N
2
- -
43164,62037 7816,54349 42296,11554 8685,04832
TiCl
3
- 30,4838
6 -
- -
30,48386 AlC
2
H
5 3
60,82698 -
- -
- 60,82698
LLDPE -
- -
- -
22095,95959 Total
60,82698 30,48386 86347,64383 12909,82011 62817,25978 36531,51500
99348,77478 99348,77478
3.6 Product Chamber V-201
Tabel 3.6 Neraca Massa Product Chamber V-201
Alur Input kgjam
Output kgjam 19
20 21
C
2
H
4
5301,70955 4771,53859
530,170955 1-C
4
H
8
302,95483 272,65935
30,295480 H
2
54,53187 49,07868
5,45320 N
2
8685,04832 7816,54349
868,50483 TiCl
3
30,48386 -
30,48386 AlC
2
H
5 3
60,82698 -
60,82698 LLDPE
22095,95959 -
22095,95959 Total
36531,51500 12909,82011
23621,69489 36531,51500
36531,51500
Universitas Sumatera Utara
3.7 Product Blow Tank V-202