EE

EngineeringEngineering

R R EERecyclingRecycling

M AM A

Maschine`sMaschine`s

EREMA EREMA -- The CompanyThe CompanyFounded in 1983

Each year more than 200 recycling Extruders for different materials

Turnover 2002/2003 56,000,000.- Euro with 240 employees

More than 50 patents

Largest supplier for recycling extruder

EREMA is known EREMA is known worldworld--wide for:wide for:

Quality InnovationKnow-how and technology Market LeaderStrong Customer Service

Historic methods...

Material under heatand oxygen influence

High screw speed needed....

High degradation, low output

High power consumption

Material jamming input zone

Pre-Aglutinator necessary

many sensible components (drives, gearboxes, pipework....

External compactor(Aglutinator) necessary.

And / or Grinders

Cold feeding

The patented EREMA TVE systemThe patented EREMA TVE system

systempelletising

plastics scrap

main drives cutting tools extruder automatic RTF meltfilter

double vacuum venting

A

start-stop control

cutter compactorcutting & feedingdryingdensifyinghomogenising

COMPOUNDING !

AdditivesCaCO3

High High performanceperformanceCompoundingCompounding-Recycling?-Recycling?

EREMA Direct Dosing SystemAddition of Reinforcing Fillers?

COAX From EREMA COAX From EREMA

PLASTIC RECYCLING SYSTEMS

VACUREMAVACUREMAVacuum pre-dryer /extruder combination

EREMA RGA EREMA RGA -- TE TE -- VSVVSV

Vacuum lock

Vacuum cutter

Rotating tools

Extruder

Double venting Screen changer

compactor/ drier

Extruder intake

conveyor screw

Vakuum slide

EREMA EREMA Melt Melt FiltersFiltersAuto Auto Backflush SequenceBackflush Sequence......

How it works How it works ??

EREMA EREMA Melt Melt FiltersFilters... ... Symetrical Piston Symetrical Piston DesignDesign

Pressure balance

EREMA EREMA Melt Melt FiltersFiltersAuto Auto Backflush SequenceBackflush Sequence......

Piston 1 and 2 in production positionall 4 screen packs in active filtration position

melt outletmelt inlet

main melt flowI

2

II

1

EREMA EREMA Melt Melt FiltersFiltersAuto Auto Backflush SequenceBackflush Sequence......

backflush melt flow

main melt flow

piston 1 in backflush position 1in piston 1Cleaning of screen pack I

II

2

I

1

EREMA EREMA Melt Melt FiltersFilters... ... Finished Finished Auto Auto Backflush SequenceBackflush Sequence

Piston 1 and 2 in production positionall 4 screen packs in active filtration position

melt outletmelt inlet

main melt flowI

2

II

1

EREMA EREMA Melt Melt FiltersFiltersAuto Auto Backflush SequenceBackflush Sequence......

backflush melt flow

main melt flow

piston 1 in backflush position 2

in piston 1Cleaning of screen pack II

1

III

2

EREMA EREMA Melt Melt FiltersFilters... 30 ... 30 backflushes between Screenchangebackflushes between Screenchange

Piston 1 and 2 in production positionall 4 screen packs in active filtration position

melt outletmelt inlet

main melt flowI

2

II

1

New SW 8/... RTF Filter Series

Picture:SW 8/170 RTF

melt outletmelt inlet

main melt flowII

2

I

1

4

3

piston 1 in backflush position 1in piston 1Cleaning of screen pack I

backflush melt flow

New SW 8/... RTF Filter Series

Flow Diagram Laser FilterFlow Diagram Laser Filter

Direction of scraper disc rotation

Melt inlet

Clean melt outlet

Impurity dischargeImpurity discharge

Scraper disc

Operation ConditionOperation Condition

Upper limits of contaminationUpper limits of contamination(The maximum amount could be less in case of combination of different impurities)

max. 5% of papermax. 1,5% - 2% of aluminiummax. 1% - 2% of copper wire

Polymer typesPolymer typesPP, LD, LLD, HD,PVC (individual check necessary)PET (individual check necessary)

PE + PE + PapierPapier AustragAustrag 11

Contamination ExampleContamination Example

Not Not only only pelletising why not make pelletising why not make a product direct from recyclate !a product direct from recyclate !

Flat sheet for different packaging

Direct extrusion of fibres up to 5000 lb/hr

Direct blown film production

Core extrusion lines

PET / PE compounds for different end products ie pallets,

display trays, boxes and containers ...

EREMA InEREMA In--line Processline Processfor production PET sheet and PET fibrefor production PET sheet and PET fibre

No second degradationNo external pre drying and crystallizationEnergy saving, low Production costHigher value productFood contact compatibilityAlso for virgin material

EREMA PET InEREMA PET In--line Sheet line Sheet

Injection/compression moulding system making large moulded products direct from recyclate

Cutter / compactor Extruder with dosing Press section

Accumulator / Injector

One way , stackable PET Pallets manufactured from coloured PET One way , stackable PET Pallets manufactured from coloured PET

bottle flake bottle flake

Process Process / / Quality Quality controlcontrol

17.07.2003 17.07.2003

09:40:3709:40:37

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Continuous Quality Control IV Continuous Quality Control IV Inline ViscometerInline Viscometer

This presentation was prepared byThis presentation was prepared by

Mike HorrocksErema North America Inc.Unit # 2, Old Right Road

IpswichMA 01938

Tel # 1 978 356 3771Cell # 1 978 335 0801