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A MAN-MADE SPRING IN QATAR

 A MAN-MADE SPRING IN QATAR

Saturday، 27 October 2018 | Article Rating

Shell’s Pearl GTL (gas-to-liquids) plant in Qatar makes synthetic oil products from natural gas, including cleaner-burning diesel and oils for advanced lubricants. The GTL process also produces water which is then recycled to avoid the need for fresh supplies – crucial in a country where every drop of water counts.

In Qatar, a desert state, fresh water is scarce. Most of the water used in homes and businesses comes from the sea and must pass through energy-intensive desalination plants.

Shell engineers had to ensure that the Pearl GTL complex in Qatar – the world’s largest GTL plant – could operate without the need for a fresh, external water source. They designed what is believed to be the largest industrial complex to have a self-sufficient water system.

Water recycling

The GTL process itself helps by creating water. Natural gas is partly oxidised at high temperature and pressure to produce synthesis gas, a mixture of hydrogen and carbon monoxide.

This synthesis gas then reacts with a Shell-developed catalyst to make liquid products. Water is a by-product.

The water is cleansed using live microorganisms that remove chemical impurities. Then it is processed to remove salts. Most of the treated water is used to absorb the heat generated in the GTL process.

In turn, the water is converted to steam that drives the turbines generating the plant’s electrical power.

Pearl’s treatment plant is able to handle 280,000 barrels of water a day – or over half a tonne of water every second.

Pearl GTL achieved full production towards the end of 2012. It has the capacity to produce 140,000 barrels of oil equivalent (boe) a day of liquid products such as cleaner-burning diesel and aviation fuel, and oils for advanced lubricants. Pearl also has the capacity to produce 120,000 boe a day of condensates, liquefied petroleum gas and ethane for industrial uses.

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Pasargad Energy Development Co. (PEDC) is an independent energy company based in Iran. PEDC is an integrated energy company whose activities span the entire value chain including exploration, production, refining, petrochemicals marketing, power generation & renewables as well as new high-tech venture capitalizing. Our headquarter is located in Tehran. PEDC is present across the Iranian continental shelf and international market through its subsidiaries. We create value for our shareholders through active investment, high-level monitoring of our projects, building world-class partnership and managing our risks effectively and making balanced portfolio. Meantime, we contribute to the sustainable development of the energy sector and communities in our country. PEDC’s competitiveness relies upon our values-based performance culture, with a strong commitment to transparency, cooperation and continuous operational improvement. As a wholly owned subsidiary of the Pasargad Financial Group, with Pasargad Bank being a distinctive shareholder, we owe our success to our experience, management knowledge and strong local/international partnerships since 2008. PEDC is committed to maintaining sustainability and being recognized as the strategic partner of choice in Iran’s energy and petrochemical sector.​

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