dedini field testing program phase 1: demonstration unit (start-up sept/2008)

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Dedini Field Testing Program Phase 1: Demonstration Unit (Start-up Sept/2008)

5 m³/day at Cosan plant in Sao Paulo State, Brazil

Two stage membrane module system

Vapor feed is a split stream of rectification column

Feed total pressure: 135-140 kPa Temperature: 105 ºC 99.5% fuel grade product.

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Rack and Module Assembly

2, 6, 12 et 24 modules per rack

Very flexible (in/out) Compact design to

minimize interconnection costs

Vertical mounting foreasy access

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Process Energy Impact of Siftek™ Solution

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Energy Comparison SiftekTM vs Molecular Sieves

Distillation & Molecular Sieves SiftekTM Membranes

Steam(kg of steam/hL)

~250 ~100

Electricity (kWh/hL) 6 15

Energy Savings 50 %

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Membranes for Dehydration (MSU Replacement)

Typical feed: 90-93 wt% Energy savings approximately 80% Competitive CAPEX in comparison to MSU

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0

5

10

15

20

25

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Ethanol in Feed (wt%)

Éner

gy (

MJ/

L)

0

10,000

20,000

30,000

40,000

50,000

60,000

70,000

80,000

Éner

gy (B

TU/g

al)

Ethanol Low Heating Value

Low capital cost design Low energy design

Thermal Energy to Recover Ethanol from Beer (CHEMCAD: two distillation columns + molecular sieve units to 99.3 wt%)

Sugarcane

CellulosicsCorn

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Award