Desalination plants are on the rise along the coastlines of many continents. Meanwhile, scarcity of water will result in more number of plants in the coming years. The Global Water Intelligence Association anticipates around 80% increase in desalination plants between 2017 and 2020. The oil & gas industry is one of the major users of positive displacement pumps. Oil and gas companies are also entering into long-term contracts with companies providing positive displacement pumps. Moreover, with the prevalence of reverse osmosis technology for desalination to create fresh water, positive displacement pumps are being used on a large scale to reduce energy consumption.
According to the report by Future Market Insights (FMI), in terms of application, oil and gas sector is anticipated to be the biggest user of positive displacement pumps, exceeding 20% revenue share during 2016-2026. The oil and gas sector is also expected to register 4.3% CAGR, exceeding $800 million by 2026 end. It is also projected to gain 30 BPS between 2016 and 2026.
Moreover, the oil and gas sector in Western Europe positive displacement pumps market is expected to remain one of the leading sectors. Development of energy efficient pumps and growing mergers and acquisitions are major factors driving the oil and gas sector in Western Europe. However, oil and gas sector in Latin America is projected to increase to 4.6% CAGR during 2016-2026.
Sea water reverse osmosis uses positive displacement pumps
According to the International Desalination Association, in 150 countries more than 300 million people rely on desalination of seawater to get the water to drink. Hence, Sea Water Reverse Osmosis (SWRO) has become one of the highly-efficient technology for desalination and providing contamination-free water.
For several years, Centrifugal pumps were considered best for SWRO. However, growing focus on cutting down energy consumption has led to the high-efficient pumping solution. Hence, positive displacement pumps are being used in SWRO, with the potential to reduce energy consumption by 20% and more. Many major companies are providing positive displacement pumps for desalination.
While in the large plants, parallel positive displacement pumps have shown better performance as compared to centrifugal pumps. For instance, Danfoss is providing APP pumps that have around 90% efficiency rate and also offers lowest life-cycle cost. However, some system builders still don’t use positive displacement pump. While in some cases designers are still not sure of using positive displacement pumps in SWRO, as the flow control is different and also needs a different design for hydraulic components.
Apart from clean water suppliers and oil and gas companies, other sectors have also started using positive displacement pipes. For example, recently a European Chocolatier received two Desmi Rotan 2 inch positive displacement pipes from Triark Pumps. The positive displacement internal gear pumps were supplied to help chocolatier handle the pumping of chocolate at correct discharge pressure. Hence, food and beverages industry is also moving towards using positive displacement pumps to improve food processing, while bringing down power consumption.
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