Presentation on on LIQUID PACKAGING BOARD “”TETRAPAK””” PROCESSING - Recovering Fiber out of Waste By VENKATRAMAN GOKULAKRISHNAN Date: 06 th August, 2015 IPPTA ZONAL SEMINAR, AHMEDABAD, INDIA Venue: IPPTA ZONAL SEMINAR, AHMEDABAD, INDIA 9/19/2015

 There is no CIRCLE without RADIUS  There is no LITERACY without PAPER

UBC product grade, composition, different layers Informative Pictures and Tables Different new products out of UBC Impact of Waste on Environment UBC Technology, Flow Diagrams Stock Preparation Line- Process Stage Wise Operational Description: – Pulping – High Density Cleaning & Coarse Screening – Fine Screening and – Reject Thickening Informative Pictures of UBC Line, 3D Model and different by-products Conclusion CONTENTS 9/19/2015

INTRODUCTION Used Beverage Cartons (UBC) also called “Tetrapak”. On one hand, Tetrapak poses a serious threat to the environment as waste, on the other hand, a preferred source of economic recovery as a secondary raw material. Tetrapak is composed of % cellulose fibers and % polyethylene foils and aluminum (not always). All these components are valuable raw materials for further industrial use. However, there is one condition is that the components must be separated from each other perfectly. 9/19/2015

INTRODUCTION What is UBC? UBC means Used Beverage Cartons also called “Tetrapak”. Threat: Serious threat to the environment as waste Raw material: A preferred source of economic recovery as a secondary raw material. Tetrapak is composed: % cellulose fibers % polyethylene foils and aluminum (not always). 9/19/2015

Grade Aseptic packaging Germfree packaging Shelf-stable carton Non-aseptic packaging Refrigerated carton Cardboard Grammage 210 – 325 GSM250 – 330 GSM Cardboard74%80% LDPE22% | 50 μm/layer20% | 50 μm/laye Aluminium4% | 6 μm/layer- ColorBrown, white 70 – 88%White 78 – 85% Layers63 or 4 Use Long-life beverages 80% of production Fresh milk, juices 20% of production Feed Source Factory outlet, or Municipal waste Color White, or Gray Size Large, or Optimal 10 – 25 cm Product Fibers 40% dry mat, or 4% stock – tissue or notebooks Foils Mixture of PE & AL, size over 12 mm, and Mixture of AL & PE, size 1.8 – 12 mm Rejects Heavy rejects (sand, stones, etc.), and Light rejects (polystyren, etc.) Table 1- Composition Table 2 - In & Out 9/19/2015

Different new products out of UBC 9/19/2015

Impact of Waste on Environment “Collection” is not the same as “Recycling” Recycling includes processing and making new products! 9/19/2015

UBC Technology, Process Flow Diagrams 9/19/2015

UBC Technology, Operation Flow Diagrams 9/19/2015

Stage Wise Operational Description- Pulping During periodical pulping at high consistency (being more suitable for hard pulpable materials) fibres are separated from foils. The products in this stage are a washed foil mixture containing less than 1.5% b. d. fibres and fibre stock collected in a chest before a coarse screening stage. In this step more than 80% of foils are separated. 9/19/2015

Stage Wise Operational Description- High Density Cleaning & Coarse Screening In the high density cleaning stage, on a high-density cleaner, stock is made free from sand and specifically heavy particles. In coarse screening, most of the remaining foils are removed. The foils are intermittently drained to a reject thickening unit. Accept is collected in a chest before a fine screening stage. 9/19/2015

Stage Wise Operational Description- Fine Screening Pressure screen (slotted screen) removes fine foils and non-pulped fractions. This reject is intermittently drained to a reject dewatering unit. Reject volume usually is not high, beverage cartonboards do not contain kind of impurities usually in other sorts of processed raw materials. Fine screening accept is thickened up to 35 – 40 % b.d. on a belt press with a palleting device. 9/19/2015

Fig. 12 – Feed Material Tetrapak Fig. 13 – Rejects from washing separator Fig. 14 – Foils from dewatering drum Fig. 15 – Final output material from Belt Press 9/19/2015

Informative Pictures of UBC Line, 3D Model and different by- products 9/19/2015

Recycling Used Beverage Cartons has following benefits: – Enabling the efficient use of raw materials by extending their life into new products. – Reducing greenhouse gas emissions. – Diverting valuable materials from landfill. CONCLUSION 9/19/2015

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