TASK 1: PROJECT SELECTION Group 4

Team members:How Chee YangLing Chui Heng

Loi Shu KaeNasuha bt Abu Yazid

Siti Hajar bt Sulaiman

PROBLEM IDENTIFICATION

WHAT WE KNOWWHAT WE NEED TO

KNOWLEARNING ISSUES

- Required to produce

100,000 lb/hr of

chemical product

- Chemical product

manufactured in

Malaysia

- Behavior and

characteristics of the

chemical product

chosen

- Sustainable factors of

the chemical product

- Commercial process

flow

- Market survey

- Gross Profit

- Economic Potential

Acetic acid market volume share by year

2013

Methanol Carbonylation

Ethylene Oxidation

• Main Reaction: C2H4 + O2 CH3COOH

• Side Reaction: C2H4 + 3O2 2CO2 + 2H2O

C2H4 + ½O2 CH3CHO

Butane Oxidation

• Main Reaction: C4H10 + 5/2O2 2CH3COOH + H2O

METHANOL CARBONYLATION

• Balance equation: CH3OH + CO Rh complex CH3COOH

Market Price and Gross Profit

Methanol Carbonylation

CH3OH + CO Rh complex CH3COOH

GP = 0.2073 – 0.1586 = RM 0.0487/mol = RM 0.8110/kg

Ethylene Oxidation

C2H4 + O2 CH3COOH

GP = 0.2073 – 0.1267 = RM 0.0806/mol = RM 1.342/kg

Butane Oxidation

C4H10 + 2.5 O2 2 CH3COOH + H2O

GP = 2(0.2073) – 0.1578 = RM 0.2568/mol = RM 7.121/kg

Chemical Molar Mass

(kg/mol)

Price

USD/lb USD/kg RM/kg[13] RM/mol

Acetic acid 0.06005 0.48[14] 1.058 3.452 0.2073

Ethylene 0.02805 0.6275[14] 1.384 4.516 0.1267

Methanol 0.03204 0.6879[14] 1.517 4.950 0.1586

LPG, 70%

Butane[15]

0.05812 - - 1.90[16] 0.1578

Process ScreeningPROCESS Methanol

Carbonylation

Ethylene Oxidation Butane Oxidation

Gross Profit (RM/kg

acetic acid)

0.81 1.34 7.12

Reaction Temperature

(oC)

180-220 160-210 150-200

Reaction Pressure

(atm)

30-40 NA 55

Reaction Phase Liquid Gas Liquid

Yield (%) 99 NA 60

By-product Carbon dioxide,

hydrogen

Acetaldehyde, ethyl

acetate, ethanol

Aldehydes, ketones,

esters, alcohols,

carboxylic acids