LAMPIRAN ADATA LITERATUR

a. Data Konstanta dari Persamaan Antoine untuk menghitung tekanan uap MetanolKonstanta A = 16,4948Konstanta B = 3598,39Konstanta C = -35,2249 AirKonstanta A = 16,5362Konstanta B = 3985,44Konstanta C = -38,9974b. Titik Didih : Air = 100 oC Metanol = 64,7 oCc. Berat molekul : Air = 18 gram/mol. Metanol = 32 gram/mold. Densitas air pada 25 oC = 0,998 gram/ml

Literatur ini diambil dari Appendix Reklaitis G.V., Introduction To Material and Energy Balances, Willey, 1983.

LAMPIRAN BDATA PERCOBAAN

1. Menentukan DensitasBerat piknometer kosong= 19,88 gramBerat piknometer + air= 45,3 gram Berat piknometer + methanol= 39,96 gramTinggi kolom= 1,4meterWaktu refluks total pada destilasi (metanol: air = 45 : 55) = 10,25 menitWaktu refluks total pada destilasi (metanol: air = 60 : 40) = 17,21 menitWaktu refluks parsial pada destilasi (metanol: air = 45 : 55) dengan rasio 5:13 = 21,50 menitWaktu refluks parsial pada destilasi (metanol: air = 60 : 40) dengan rasio 5:13 = 22,27 menitWaktu refluks parsial pada destilasi (metanol: air = 45 : 55) dengan rasio 11:3 = 20,08 menit

2. Tabel Kalibrasi Refraktometer air dan metanolVolume (mL)Indeks Bias

MetanolAirN1N2Nrata-rata

0101,32551,32401,3248

191,32601,32601,3260

281,32901,32851,3288

371,33001,33201,3310

461,33301,33201,3325

551,33401,33451,3343

641,33401,33351,3338

731,33451,33301,3338

821,33301,33201,3325

911,33301,32901,3310

1001,32401,32501,3245

3. Tabel Refluks Total Metanol : Air (45:55)t(menit)Temperatur (oC)Indeks Bias

TDTwNDNw

343791,32201,3320

649801,32001,3320

949801,32851,3330

1251801,32201,3320

1551811,32851,3310

1858811,32851,3310

4. Tabel Refluks Total Metanol : Air (60:40)t(menit)Temperatur (oC)Indeks Bias

TDTwNDNw

329751,3221,333

630761,3241,332

932761,3231,332

1233761,3231,332

5. Tabel Refluks Parsial Metanol : Air (45:55), refluk 5 : 13t(menit)Temperatur (oC)Indeks Bias

TDTwNDNw

333801,33251,3325

633801,32801,3320

933801,33101,3305

1233801,32801,3310

1533801,33301,3300

1833801,33301,3300

6. Tabel Refluks Parsial Metanol : Air (60:40), refluk 5 : 13t(menit)Temperatur (oC)Indeks Bias

TDTwNDNw

332781,33001,3320

634781,32801,3320

935781,33251,3320

1236781,32801,3320

1537781,33201,3320

1838781,32701,3320

2138781,32701,3320

B.5 Tabel Refluks Parsial Metanol : Air (45:55), refluk 11:3t(menit)Temperatur (oC)Indeks Bias

TDTwNDNw

336801,33201,3310

636801,32601,3300

936801,33001,3300

1236801,33101,3300

1536801,33201,3300

1836801,33201,3300

LAMPIRAN CPERHITUNGAN ANTARA

1. Perhitungan Kalibrasi RefraktometerVolume (mL)Indeks bias (N)Densitas ()MolFraksi Methanol

AirMetanolAirMetanolMetanolAir

1001,32480,9980,79170,00000,55440,0000

911,32600,9980,79170,02470,49900,0472

821,32880,9980,79170,04950,44360,1004

731,33100,9980,79170,07420,38810,1605

641,33250,9980,79170,09900,33270,2293

551,33430,9980,79170,12370,27720,3085

461,33380,9980,79170,14840,22180,4010

371,33380,9980,79170,17320,16630,5101

281,33250,9980,79170,19790,11090,6409

191,33100,9980,79170,22270,05540,8006

0101,32450,9980,79170,24740,00001,0000

2. Perhitungan Volatilitas relative ()a. Refluks Total Methanol : air (45:55)t(menit)Temperatur (oC)Temperatur (K)Trata-rata(K)Ln PaPaLnPbPb

TdTwTdTw

343793163523344,451085,71192,980419,69574,3518

64980322353337,54,590498,53833,139923,10114,2655

94980322353337,54,590498,53833,139923,10114,2655

125180324353338,54,6297102,48313,184824,16154,2416

1551813243543394,6492104,50423,207124,70704,2297

185881331354342,54,7842119,60013,361328,82684,1489

b. Refluks Total Metanol : Air (60:40) t(menit)Temperatur (oC)Temperatur (K)Trata-rata(oC)Ln PaPaLnPbPb

TdTwTdTw

329753023483254,076958,96412,552312,83694,5933

630763033493264,119661,53672,601213,48024,5650

932763053493274,162064,20292,649814,15094,5370

123376306349327,54,183165,57182,673914,49684,5232

t(menit)Temperatur (oC)Temperatur (K)Trata-rata(K)Ln PaPaLnPbPb

TdTwTdTw

33380306353329,54,266871,29462,769715,95374,4688

63380306353329,54,266871,29462,769715,95374,4688

93380306353329,54,266871,29462,769715,95374,4688

123380306353329,54,266871,29462,769715,95374,4688

153380306353329,54,266871,29462,769715,95374,4688

183380306353329,54,266871,29462,769715,95374,4688

c. Refluks Parsial Methanol : Air (45:55) dengan rasiao 5:13

d. Refluks Parsial Methanol : Air (60:40) dengan rasiao 5:13t(menit)Temperatur (oC)Temperatur (K)Trata-rata(K)Ln PaPaLnPbPb

TdTwTdTw

332783053513284,204266,96512,923618,60753,5988

634783073513294,246069,82612,969919,49003,5827

93578308351329,54,266871,29462,993019,94453,5746

1236783093513304,287672,78873,015920,40803,5667

153778310351330,54,308274,30903,038820,88063,5588

1838783113513314,328875,85573,061621,36253,5509

2138783113513314,328875,85573,061621,36253,5509

e. Refluks Parsial Methanol : Air (45:55) dengan rasiao 5:13t(menit)Temperatur (oC)Temperatur (K)Trata-rata(K)Ln PaPaLnPbPb

TdTwTdTw

336803093533314,328875,85573,061621,36253,5509

636803093533314,328875,85573,061621,36253,5509

936803093533314,328875,85573,061621,36253,5509

1236803093533314,328875,85573,061621,36253,5509

1536803093533314,328875,85573,061621,36253,5509

1836803093533314,328875,85573,061621,36253,5509

3. Penentuan Fraksi Distilat dan Residu Pada Saat Konstan a. Refluks Total Methanol : Air (45:55)Indeks biasFraksi mol

NdNw XdXw

1,32851,3310,880,16

b. Refluks Total Metanol : Air (60:40)Indeks biasFraksi mol

NdNw XdXw

1,3231,3320,7150,205

c. Refluks Parsial Metanol : Air (45:55) dengan Rasio 5:13Indeks biasFraksi mol

NdNw XdXw

1,3331,330,590,13

c. Refluks Parsial Metanol : Air (60:40 )dengan Rasio 5:13Indeks biasFraksi mol

NdNw XdXw

1,3271,3320,930,21

d. Refluks Parsial Metanol : Air (45:55) dengan Rasio 11:3Indeks biasFraksi mol

NdNw XdXw

1,3321,330,730,13

4. Data Kesetimbangan Metanol Air

YA =

a. Refluks Total Methanol : Air (45:55)Data kesetimbangan

XAYA

00,0000

0,10,3084

0,20,5008

0,30,6324

0,40,7279

0,50,8005

0,60,8576

0,70,9035

0,80,9414

0,90,9731

11,0000

b. Refluk Total Metanol : Air (60:40) Data Kesetimbangan

XAYA

00,0000

0.10,3073

0.20,4996

0.30,6312

0.40,7269

0.50,7997

0.60,8569

0.70,9031

0.80,9411

0.90,9729

11,0000

c. Refluks Parsial Methanol : Air (45:55) dengan rasio 5:13Data Kesetimbangan

XAYA

00,0000

0.10,3318

0.20,5277

0.30,6570

0.40,7487

0.50,8171

0.60,8702

0.70,9125

0.80,9470

0.90,9757

11,0000

d. Refluks Parsial Methanol : Air (60:40) dengan rasio 5:13Data Kesetimbangan

XAYA

00,0000

0.10,2829

0.20,4703

0.30,6035

0.40,7030

0.50,7803

0.60,8419

0.70,8923

0.80,9342

0.90,9697

11,0000

e. Refluks Parsial Methanol : Air (45:55) dengan rasio 11:3Data Kesetimbangan

XAYA

00,0000

0.10,2829

0.20,4703

0.30,6035

0.40,7030

0.50,7803

0.60,8419

0.70,8923

0.80,9342

0.90,9697

11,0000

LAMPIRAN DCONTOH PERHITUNGAN

1. Menentukan Densitas AirBerat air= (berat piknometer + air) (berat piknometer kosong)= 45,3 gram - 19,47 gram= 25,83gram

Volume piknometer sebenarnya =

= = 25,8818 mL2. Menentukan Densitas MetanolBerat (W) methanol = (berat piknometer + methanol) (berat piknometer kosong)= 39,96 gram 19,47 gram= 20,49 gram

Densitas methanol=

= = 0,7917 gram/ml

3. Menentukan fraksi mol pada kalibrasi methanolV methanol = 1 mlVair= 9 ml

X methanol =

=

= = 0,0472

4. Menentukan Tekanan Uap Murni 4.1 Refluks total dengan perbandingan methanol : air = 45 :55

Ln P = A - Pada T = 342,5 K : Ln Pmethanol= 16,4948 - Pmethanol = 119,60001 Kpa Ln Pair = 16,5362 - Pair = 28,8268 Kpa

5. Menentukan Volatilitas Relatif ()5.1 Refluks Parsial dengan perbandingan methanol: air = 45:55 , rasio Refluks 5:13 Pada T = 329,5 K =

= = 4,4688

Dan seterusnya pada temperatur yang berbeda dan refluks parsial

6. Menetukan Fraksi Uap pada Kurva Kesetimbangan Methanol6.1 Refluks Parsial dengan perbandingan methanol : air = 45:55, rasio refluksPenghitungan dengan harga XA bervariasi dari 0 sampai 1, pada Xa = 0,1 :

YA =

= = 0,3084

7. Menentukan Jumlah Tahap Minimum dengan Persamaan FenskeOperasi Refluks Total Metanol : air (45:55)

Nm =

= = 4,049 D.8 Menentukan HETP

HETP= Operasi refluks total Metanol:air (45:55)HETP=

= 0,346D.9 Menentukan Komposisi Distilat dan Residu yang dihasilkan XD dan XW ditentukan dengan cara memplot nilai indeks bias yang telah diukur pada kurva kalibrasi refraktometer maka akan didapatkan komposisi distilat dan residu.Misal untuk refluks total Metanol:air (45:55) ND = 1,3285 ; Xd = 1,331

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