A to Z of Ethanol

11-12 Apr, 2007 - Singapore, SINGAPORE

Park Hotel Orchard, Singapore

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Day 1
Wednesday, 11th April 2007
 
ETHANOL DEVELOPMENTS IN ASIA
n Production/demand/prices
n
Economic facts
Shashank Inamdar, Managing Director
Praj

 
TYPES AND METHODS FOR PRODUCING BIOFUELS
n Biodiesel
n
Hydrogen
n
Fischer Tropsch fuels
n
Methanol and higher alcohols
n
Biogas (methane)
n
Butanol
 
ETHANOL AS A BIOFUEL
n Use as liquid fuels in vehicles & modifications needed
As an oxygenate (fuel additive)
- E10, E20
As the primary fuel
- E85
Ethanol-only (Hydrated Ethanol)
Use of 130 - proof (65% ethanol in water) in diesel engines
Ethanol vs gasoline
 
ETHANOL PRODUCTION
Mature technologies
n
Squeezed sugar (Sugarcane)
Process description
- Fermentation, types of processes
- Biochemical and biological background
- Kinetics and stoichiometry
n
Starch (Corn)
Process description
- Wet milling
- Dry milling
n
Distillation
Alcoholic distillation, description, capacities
n
Anhydrous ethanol production
Azeotropic, extractive distillation
Molecular Sieves
Energetics: Steam and cooling water usage
Safety: Health and environment
Economics
n
Yields /Overall process energetics
 
SUGAR AND SWEET SORGHUM BASED ETHANOL PLANT - AN OPTION FOR ASIA
Yash Mankame, Country Vice President - South East Asia, Far East and Australia
Praj
 
Day 2
Thursday, 12th April 2007
 
CELLULOSIC ETHANOL - THE FUTURE
n Potential feedstock & yields - sugarcane bagasse & trash, corn straw (stover), rice straw, wheat straw, rice husks, municipal solid waste, sewage sludge, manure (cattle, poultry, swine), wood chips, switch grass
n Characteristics of lignocellulose
n
Some incentives for implementing cellulosic ethanol
Agricultural waste burning phase out
Lignocellulose yields
Environmental impact of using wastes
Potential ethanol yield from
lignocellulosic sources
n
High-productivity crops (energy cane, Miscanthus hybrids, sweet sorghum, water hyacinth)
n
Harvesting, transportation and storage strategies (efficiency and economics
 
ETHANOL PRODUCTION FROM LIGNOCELLULOSE
i) Gasification followed by Catalysis
Economics/yields
Description of processes
ii) Gasification followed by ethanol fermentation (Gaddy process)
iii) Lignocellulose hydrolysis processes followed by ethanol fermentation
Acid hydrolysis
iv) Lignocellulose hydrolysis followed by Acetic-acid fermentation with downstream Chemical transformation into ethanol (the Zeachem process)
Rationale: Acetic-acid fermentation vs. ethanol fermentation
n Mixed-acid fermentation of lignocellulose followed by downstream chemical transformation into ethanol and higher-alcohols (the MixAlco process)
 
TRANSPORTATION & ETHANOL BLENDING IN THE GASOLINE POOL
n Storage tanks
n
Pipelines and cleanliness
n
Usage of additives - under what circumstances
 
SHIPS CLEANLINESS
n Impact on quality
n
Types of ships
Richard Taylor
SGS Asia Pacific

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