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Qatargas introduces Waste Water Treatment plant to LNG facility

Published by , Senior Editor
LNG Industry,

Qatargas has announced that it has completed the works of a Waste Water Treatment Plant at one of its LNG plants using Membrane Bio-Reactor (MBR) Technology.

The facility, which has been set up at the Qatargas 1 (QG 1) plant, is a first for the LNG industry in the region. It has a capacity to treat nearly 1300 m3/d of waste water.

Qatargas informed that the project was designed in response to an internally identified gap in the QG1 process wastewater treatment facility in order to treat waste water and get irrigation grade water that could be reused in line with the State of Qatar’s Ministry of Municipality And Environment (MoME) regulations.

The MBR in this facility uses a combination of bacterial bio-reactor to consume and breakdown the pollutants. The downstream of this bio-reactor’s man-made membranes are used to screen out larger particles, bacterial-biomass and other compounds.

The pilot MBR plant was first tested for six months in 2008, following which Qatargas 1 embarked on the Front End Engineering Design (FEED) and the Execution Phase Contracts (EPC) and the start-up between 2011 and 2015 for installation of a full scale MBR at QG1. The MBR now operates at the expected design efficiencies obtaining removal rates of more than 95% for key parameters including Chemical Oxygen Demand (COD) and Nitrogen compounds.

Sheikh Khalid Bin Abdulla Al-Thani, Qatargas Chief Operating Officer – Engineering & Ventures, said: “This is a very important accomplishment for Qatargas as we have set a precedent in the LNG industry in the region to reuse waste water at the Qatargas 1 plant. This project is a clear manifestation of our commitment to environmental conservation and is part of the huge investments we have made in the recent past to minimise our environmental footprint, in line with the values spelled out in the Qatargas Direction Statement. I congratulate all those who worked on the planning, design and construction phases of this project and those who contributed to its successful operation.”

Qatargas also confirmed its intention to introduce similar innovative solutions for wastewater treatment at its facilities in the future.

Edited from press release by


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