Petroleum industry is the major manufacturing in Thailand. During the petroleum utilities process, a large amount of hazardous waste such as drill cuttings, oily wastewater and mercury (Hg)-contaminated waste is generated. Mercury is a toxic released substance which can cause a serious effect on human health and environments. Due to environmental regulation concern and human health protection, the proper environmentally friendly waste management in offshore petroleum operation becomes an important topic. Mass Flow Analysis (MFA) and Life cycle assessment (LCA) are useful tools for environmental assessment. MFA offer a linked waste flow in the system for strategic scheme development and design. While LCA assess the environmental impact based on inventory input thoroughly the product’s life cycle. Thus, the combined analysis will provide an integrated result. This study, the MFA and LCA of petroleum waste management at the end-of-life stage are conducted from waste generation throughout the waste treatment and secondary waste disposal stages. Of which, the case for mercury substance flow in each state is estimated to develop the scenario analysis. The environmental impact, including Global Warming Potential (GWP) and human toxicity are conducted through mid-point analysis using CML2000 and ReCiPe method. The comparison between each scenario will be discussed with the aim of improving the sustainable waste management for the petroleum industry.

Sustainability strategies of waste management of petroleum using life cycle analysis

2019 Fall National Meeting

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