E3S Web Conf.
Volume 74, 2018International Conference Series on Life Cycle Assessment: Life Cycle Assessment as A Metric to Achieve Sustainable Development Goals (ICSoLCA 2018)
|Number of page(s)||7|
|Section||LCA towards Sustainable Production and Consumption|
|Published online||12 December 2018|
Life cycle assessment and eco-efficiency Indicator for ulos weaving using loom machine in Toba Samosir Regency of North Sumatra
Institut Teknologi Del, Engineering Management Study Program, Laguboti, 22381, Indonesia
* Corresponding author: firstname.lastname@example.org
Toba Samosir Regency is one of the centers of ulos weaving in North Sumatera. Most of the weaving processes are carried out traditionally by small-size enterprises. However, it is identified that there are 8 ulos weaving industries that utilize loom machine. To date, no holistic environmental impact assessment has yet been conducted on weaving industry in Toba Samosir. This study aims to assess potential environmental impact caused by weaving industry in Toba Samosir. The scope of this study covers gate-to-gate stages in ulos production, consisting mangiran, washing, dipping, drying, dying, boiling, sun-drying, weaving, and manirat. The functional unit of this study is 182 kg of ulos, representing one batch of production. The assessments are conducted by two approaches; these are Life Cycle Assessment and Eco-efficiency Index measurement. The LCA modeling and computation of environmental impacts are aided by openLCA software. From LCA, it is revealed that the potential environmental impacts associated with ulos weaving are Eutrophication Potential (5.28E+01 kg PO4 eq - 8.41E+01 kg PO4 eq), Climate Change Potential (7.17E+02 kg CO2 eq - 5.74E+02 kg CO2 eq), and Photochemical Oxidation Potential (3.40E+00 kg CFC-11 eq - 4.68E+01 kg CFC-11 eq). The major stressors causing these impacts are using firewood. The calculation result of Eco-Efficiency Index (EEI) for weaving industry in Toba Samosir Regency falls between 0,1 and 0,4, which indicates the product is affordable but not sustainable..
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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