Life cycle assessment of magnetic and electronic ballast for 36-W fluorescent lamp

Sitty Nur Syafa Bakri, Rajeswari K. Ramasamy, Salmijah Surif

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    Background, aim, and scope : Ballast is a device in a fluorescent lamp that supports the production of light. In this study, the environmental impacts of two types of Malaysian ballast, magnetic ballast and electronic ballast, were identified and compared using the life cycle assessment approach through the ISO 14040 (2005) series. Materials and methods: The functional unit is consumption of 36 W ballast for a fluorescent lamp of 36 W during 10 years of working hours. The life cycle impact assessment was determined by the Eco-indicator 99 method. Only material processing, production, and use stages were considered in this study. Component inventory showed steel to be the major component in both the magnetic and electronic ballasts, used as the core steel and housing, respectively. Results, discussion, and conclusions: For raw material and manufacturing phases, electronic ballast registered higher value for each damage category: 2.92∈×∈10-5 disability adjusted life years (DALY) for human health, 1.43 potential disappeared fraction of plants (PDF)∈m2∈year for ecosystem quality and 17.02 MJ surplus for resource depletion compared to those for magnetic ballast at 4.08∈×∈10-6 DALY, 0.83 PDF∈m2∈ year, and 3.53 MJ surplus, for their respective damage categories. For the use phase, magnetic ballast used more energy (135 kWh) than electronic ballast (45 kWh) and also registered more impact during the use phase with 3.57∈×∈10-5 DALY for human health, 3.25 PDF∈m2∈year for ecosystem quality, and 219.43 MJ surplus for resource depletion, compared to electronic ballast's 1. 19∈×∈10-5 DALY, 1.08 PDF∈m2∈ year, and 73.14 MJ surplus for their respective damage categories.

    Original languageEnglish
    Pages (from-to)837-841
    Number of pages5
    JournalInternational Journal of Life Cycle Assessment
    Volume15
    Issue number8
    DOIs
    Publication statusPublished - Sep 2010

    Fingerprint

    disability
    life cycle
    resource depletion
    damage
    steel
    ecosystem
    environmental impact
    manufacturing
    lamp
    electronics
    surplus
    energy
    method
    human health
    material

    Keywords

    • Eco-indicator 99
    • Electronic ballast
    • Fluorescent lamp
    • Life cycle assessment (LCA)
    • Magnetic ballast

    ASJC Scopus subject areas

    • Environmental Science(all)

    Cite this

    Life cycle assessment of magnetic and electronic ballast for 36-W fluorescent lamp. / Bakri, Sitty Nur Syafa; Ramasamy, Rajeswari K.; Surif, Salmijah.

    In: International Journal of Life Cycle Assessment, Vol. 15, No. 8, 09.2010, p. 837-841.

    Research output: Contribution to journalArticle

    Bakri, Sitty Nur Syafa ; Ramasamy, Rajeswari K. ; Surif, Salmijah. / Life cycle assessment of magnetic and electronic ballast for 36-W fluorescent lamp. In: International Journal of Life Cycle Assessment. 2010 ; Vol. 15, No. 8. pp. 837-841.
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    AB - Background, aim, and scope : Ballast is a device in a fluorescent lamp that supports the production of light. In this study, the environmental impacts of two types of Malaysian ballast, magnetic ballast and electronic ballast, were identified and compared using the life cycle assessment approach through the ISO 14040 (2005) series. Materials and methods: The functional unit is consumption of 36 W ballast for a fluorescent lamp of 36 W during 10 years of working hours. The life cycle impact assessment was determined by the Eco-indicator 99 method. Only material processing, production, and use stages were considered in this study. Component inventory showed steel to be the major component in both the magnetic and electronic ballasts, used as the core steel and housing, respectively. Results, discussion, and conclusions: For raw material and manufacturing phases, electronic ballast registered higher value for each damage category: 2.92∈×∈10-5 disability adjusted life years (DALY) for human health, 1.43 potential disappeared fraction of plants (PDF)∈m2∈year for ecosystem quality and 17.02 MJ surplus for resource depletion compared to those for magnetic ballast at 4.08∈×∈10-6 DALY, 0.83 PDF∈m2∈ year, and 3.53 MJ surplus, for their respective damage categories. For the use phase, magnetic ballast used more energy (135 kWh) than electronic ballast (45 kWh) and also registered more impact during the use phase with 3.57∈×∈10-5 DALY for human health, 3.25 PDF∈m2∈year for ecosystem quality, and 219.43 MJ surplus for resource depletion, compared to electronic ballast's 1. 19∈×∈10-5 DALY, 1.08 PDF∈m2∈ year, and 73.14 MJ surplus for their respective damage categories.

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