You can feel it’s Benninger

SUSTAINABLE TEXTILE FINISHING

ROUTES & PROCESSES

by reduced resource consumption

Jürgen Ströhle

CTO

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CO2 Drivers: CO2 Sources in Textile Finishing

Source: Benninger/2011/ CO trouser, scouring,

bleach, merc, PDPS, China,

Drying energy

34%

Heating and steaming

37%

Electricity (drive, pumps

& fans) 11%

Chemicals and dyes

15%

Misc. (e.g. singeing

gas etc) 4%

Mark Messura Cotton Incorporated/

Benninger market survey 2009

Big market potential by substitution of obsolete equipment

EUROPE 60 l/kg

ASIA 160 l/kg

Finishing

Continuous /LLR

Dyeing

Mercerizing

Bleaching

Scouring

Desizing

Printing

Batch / HLR

0 50 100 150 Liters/kg

WATER SAVING = ENERGY SAVING

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CO2 reduction due to continuous processing

CPB

10%

20%

30%

40%

50%

70%

80%

90%

100%

JET LR 1:8

Source: Benninger 2011,

Finishing route,

100 % 100 %

38 %

23 %

CO2

H2O

5

Weighting of factors for washing process

Temperature

Time Water/ Chemie

Mechanics

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0

20

40

60

80

100

Mechanicalaction

Temperature

Time

Water

Influencing factors for washing efficiency

Counterflow principle of the EXTRACTA washing machine

Direction of fabric run

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High efficiency washing

Washing out 40 g/kg NaOH 100%

Jet

LR 1:12

Source: Benninger/2011/

40 g/kg => 0.5 g/kg NaOH 100%

100% 100%

74% 69%

31% 32%

Jet

LR 1:5

Cont.

Washing

classic

Type

12% 12 %

Cont.

Washing

Liquor separation

counterflow

CO2

H2O

Cont.

Washing

+ heat

recovery

6 %

12 %

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Process Water Recycling and Zero Discharge

90% water recycling

70% energy recovery

98% COD reduction

NEW Fibers

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OUTLOOK 2015

Physical treatment vs. chemical wet treatments

Replacement of high carbon processes

New wave of innovation is ahead of the textile industry

Find high potentials

Optimize process sequences

Replacement of exhaust process (JET)

Replacement of obsolete washing technology

Saving / Recycling resources

THANK YOU

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