Kesimpulan Saran KESIMPULAN DAN SARAN

Levenspiel.O., 1972, Chemical Reaction Engineering 2nd edition, John Wiley and Sons Inc, New York. Malik dkk.Characteristics Of Laminated Wood Of Logging Waste Three Natural Forest Wood Species Journal of Forestry Research Vol. 2 No. 1, March 2005: 37 – 48 McCabe.W.L. dan Smith.J.C., 1985, Operasi Teknik Kimia, Erlangga, Jakarta. McKetta,J.J. 1988.Encyclopedia Of Chemical Processing And Design. Marcel dekker inc: USA Megyesy.E.F., 1983, Pressure Vessel Handbook, Pressure Vessel Handbook Publishing Inc, USA. Meyer, Beat, 1979, Urea Formaldehyde Resins, Addison Wesley Publishing, Canada. Perry.R.H. and Green.D., 1997, Perry’s Chemical Engineer Handbook 7th ed , McGraw-Hill Book Company, New York. Peter.M.S. and Timmerhaus.K.D., 1991, Plant Design an Economic for Chemical Engineering 3 ed , McGraww-Hill Book Company, New York. Powell, S.T., 1954, Water Conditioning for Industry, Mc Graw Hill Book Company, New York. Rukaesih,Okay.2000.Pengaruh Senyawa Silikon Sebagai Pelemas Dalam Proses Penyempurnaan Anti Kusut Kain Polyester Kapas .Balai Besar Pengembangan Dan Penelitian Tekstil:Bandung Smith.J.M. and Van Ness.H.C., 1975, Introduction to Chemical Engineering Thermodynamics 3 ed , McGraww-Hill Inc, New York. Treyball.R.E., 1983, Mass Transfer Operation 3 ed , McGraw-Hill Book Company, New York. Ulmann, 2007. Ulmann’s Encyclopedia of Industrial Chemistry. VCH Verlagsgesell Scahft, Wanheim, Germany. Ulrich.G.D., 1984, A Guide to Chemical Engineering Process Design and Economics . John Wiley Sons Inc, New York. Wallas. S.M., 1988, Chemical Process Equipment, Butterworth Publishers, Stoneham USA. Yaws, C.L., 1999, Chemical Properties Handbook, Mc Graw Hill Book Co., New York LAMPIRAN A PERHITUNGAN NERACA MASSA

I. Kapasitas Prarancangan

Kapasitas per tahun = 28.000 TonTahun 1 tahun operasi = 330 hari Kapasitas prarancangan = ton 1 kg 1000 jam 24 hari 1 hari 330 tahun 1 tahun 1 ton 000 . 28 x x x = 3535,35 kgjam

II. Komposisi Bahan Baku dan Produk

1. Metanol

Metanol = 99,90 berat Air = 0,10 berat

2. Udara

Nitrogen = 79 mol Oksigen = 21 mol

3. Urea

Urea = 99,27 berat Air = 0,73 berat

4. Urea Formaldehid

Urea Formaldehid = 80,00 berat Urea = maks 2 berat Air = maks 20,00 berat

II. Reaksi

a. Reaksi di Reaktor 01 Sintesa Formaldehid

Umpan yang masuk = Mol Metanol : Mol Oksigen = 9 : 10 Konversi metanol = 99 Selektivitas = 94 Reaksi utama : CH 3 OH g + ½ O 2g HCHO g + H 2 O g …1 Reaksi samping : HCHO g + ½ O 2g CO g + H 2 O g …2

b. Reaksi di Reaktor 02 Sintesa Urea Formaldehid

Perbandingan mol umpan = Urea : Formaldehid = 1 : 1,4 Konversi = 97 Reaksi yang terjadi : 13 CONH 2 2 l + 18 CH 2 O g 9 HOCH 2 NHCONH 2 l + 3NHCONHCH 2 OH 2l + NHCONCH 2 OH 3 l

III. Notasi

CH 3 OH = Metanol H 2 O = Air O 2 = Oksigen CO 2 = Karbondioksida CO = Karbonmonoksida N 2 = Nitrogen U rea = CONH 2 2 Formaldehid = HCHO UF1 = HOCH 2 NHCONH 2 UF2 = NHCONH CH 2 OH 2 UF3 = NHCONCH 2 OH 3

IV. Berat Molekul

Metanol = 32,04 kgkgmol Air = 18,01 kgkgmol Oksigen = 32,00 kgkgmol Karbonmonoksida = 28,01 kgkgmol Karbondioksida = 44,01 kgkgmol Nitrogen = 28,01 kgkgmol Urea = 60,06 kgkgmol Formaldehid = 30,03 kgkgmol UF1 = 90,09 kgkgmol UF2 = 120,12 kgkgmol UF3 = 150,15 kgkgmol

V. Basis Perhitungan

Basis = 1 jam operasi

VI. Neraca Massa Tiap Alat

1. REAKTOR 202 RE-202

Fungsi : Tempat mereaksikan larutan urea dan gas formaldehid untuk menghasilkan produk urea formaldehid. Gambar : Massa total produk = 3535,35 kgjam Kandungan Urea formaldehid dalam produk = 80 Berat urea formaldehid total dalam produk = jam kg 3535,35 100 80  = 2828,28 kgjam BM rata-rata urea formaldehid =       13 1 3 9 3 2 1 UF BM UF BM UF BM      =       13 15 , 150 1 12 , 120 3 09 , 90 9      = 101,64 kgkmol Mol Urea formaldehid total = kmol kg jam kg 64 , 101 28 , 2828 = 27,83 kmoljam