Sustainable wastewater management and energy production from sludge incineration process in industrial wastewater treatment plants

Gheibi, Mohammad, Behzadian Moghadam, Kourosh ORCID:, Kian, Zahra, Ardakanian, Atiyeh and Piadeh, Farzad (2022) Sustainable wastewater management and energy production from sludge incineration process in industrial wastewater treatment plants. In: 17th Conference on Sustainable Development of Energy, Water and Environment Systems (SDEWES), 6-10 Nov 2022, Paphos Cyprus.

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One major issue in industrial wastewater treatment plants is sludge handling and management with associated significant costs. Furthermore, the accumulated sludge handling such as the American Petroleum Institute (API) process can lead to environmental issues and health challenges such as cancer for workers in the site. This study applies combustion methods to analyse nexus of sludge incineration process and energy production potentials for this solid waste as a by-product of wastewater purification process. The methodology is demonstrated by its application to a real-world case study of petroleum refinery wastewater treatment in Iran. For this purpose, sludge samples were taken from the accumulation site and tested by calorimetry bomb, PARR 1266, Preiser Scientific, USA. In this study, 15 samples were evaluated from different points of the sludge in the case study. Measurements show that the average heat value is equal to 3,100 kcal/kg. The experimental results show that increasing water content in the sludge can lead to decreasing the net heat value. On the other hand, increasing Chemical Oxygen Demand (COD) in wastewater can result in increasing the harvested energy. In total, the sludge accumulation in the plant over the eight past years is around 4,000 tonnes which is equivalent to the thermal value of 12,400 GCal of potential energy that will be otherwise leads to environmental and health problems if not released through incineration process. This can highlight the significance of wastewater-energy-pollution nexus in sludge management of petroleum refineries by converting a threat to an opportunity.

Item Type: Conference or Workshop Item (Paper)
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Depositing User: Kourosh Behzadian Moghadam
Date Deposited: 11 Nov 2022 00:36
Last Modified: 19 Jan 2023 13:12


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