Investigation On Recycling Of Waste Beer Label Paper

The solid wastes generated from beer industries during beer packaging in which each bottle hasrnto be labeled with a paper then turned to wastes after usage. rnIn this study repulping of waste beer label paper was carried out by repulping Heniken‘s wasternbeer label and blended it with used A4 sized paper found in AAiT. The study was conductedrnunder different conditions with the influence of mixing ratio (0, 25 and 50 %), dryingrntemperature (100,110 and 120rn0rnC) and drying time (60, 90 and 120 min) on repulp yield rnproperties. Results indicated that mixing ratio and drying time had a significant influence onrnrepulp yield. Likewise the optimum result with respect to yield was obtained by 50% mixingrnratio, 120rn0rnC drying temperature and 120 min drying time. rnAt the optimum operating conditions the physical tests of hand sheets made from repulping ofrnmixed beer label paper was carried out at Ethiopian Pulp and Paper Factory resulting 66.3 Nm/g,rn6.26 mNmrn2rn/g and 5.421 kN/g tensile index , tear index and burst index respectively.. rnIn general, results based on morphological and repuling analysis indicated that wasted beer labelrnfibers are promising fibrous raw material for the paper production and have tremendous resultsrnfor environmental challenges in the brewing industries.

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