000			03522ntm a2200325 i 4500
999			_c100642 _d100648
003			MY-KuUP
005			20251125110847.0
006			a||||fr|||| 000 0
007			ta
008			240419t20232023my a|||fr|||| 000 0 eng d
020			_aTHE0009830 (Local) _qHardback
040			_aUMPSA _beng _cUMP _erda
090			_aFIM .S58 2023 r Thesis
100	1		_aSitra Muhaba Yimam, _eauthor.
245	1	0	_aLife cycle assessment of petrochemical wastewater treatment process for the production of methane and hydrogen / _cSitra Muhaba Yimam
264		1	_aKuantan, Pahang : _bUMPSA, _c2023
264		4	_c©2023
300			_axiv, 174 pages : _billustrations ; _c30 cm. + _e1 CD-ROM
336			_2rdacontent _atext
337			_2rdamedia _aunmediated
338			_2rdacarrier _avolume
347			_2rda _atext file _bPDF
500			_aFaculty of Industrial Management
502			_aThesis (Master of Science) -- Universiti Malaysia Pahang – 2023
504			_aIncludes bibliographical references
520	3		_aPetrochemical industries produce a huge amount of wastewater during the production of various petrochemical products. The generated wastewater is required to properly treated before being released into the environment because it contains harmful chemical compounds to human health, the aquatic ecosystem and the environment. However, studies on the lifecycle assessment of petrochemical wastewater treatment processes on energy recovery are rare. Thus, this study aims to investigate the environmental impacts of petrochemical wastewater treatment for the production of methane and hydrogen and make comparisons of environmental impacts for the cases when the two different treatment methods which means the existing method and the new method (Multistage contact oxidation and Photo-reforming) are used for the methane and hydrogen productions in the tertiary treatment stage. For the site data collection, the Petrochemical wastewater treatment plant (PWWTP) which is one of the petrochemical companies available in the Gebeng Industrial Estate, Kuantan was selected as a primary data source. Secondary data from literature and databases of LCA assessment software was obtained. The methodology adapted in this study is of a qualitative method and for the data collection the question form was sent to the treatment plant. Moreover, the collected data was analysed by using a life cycle assessment (LCA) technique which is a widely applied and ISO-guided approach was implemented. The software used for the analysis was GaBi 9.2.1. The GWP contribution by the Ex-PWWTP wastewater line was 6 and 57 times higher than those contributed by electricity generation and chemical production, respectively. This can be significantly reduced if the methane gas is collected and reused as source of energy for the treatment plant. Furthermore, changing the energy mix for electricity generation from fossil fuel to renewable energy can reduce the environmental impacts significantly. Overall, the least environmental impact was registered for the case where the photoreforming technology was implemented and the methane gas produced from the anaerobic digestion was reused. Therefore, it is recommended to use (implement) the photoreforming technology integrated with energy recovery equipment for the petrochemical wastewater treatment process at the Gebeng area treatment plant.
610	2	0	_xDissertations _aFaculty of Industrial Management
650		0	_aUniversities and colleges _xDissertations
942			_2lcc _cTHESIS