Among these, liquid-ring-type positive-displacement pumps saw the highest usage during 2014–2018, as these can be used for different gases, by altering the discharge temperature, thereby offering more flexibility. The major applications of such devices are vacuum condensation, vacuum distillation, ash and air handling, moisture extraction, and mineral beneficiation, in an array of industries, including oil & gas, petrochemical, chemical, seawater deaeration, distillery, fertilizer, pharmaceutical, sugar, paper, railways, power, food & beverage, textile, and mineral.
A key vacuum pump market in China opportunity is the development of smart vacuum pumps. With the use of the frequency inverter technology, they work with a range of voltages and frequencies, to offer optimal and consistent performance.
Among these, the use of vacuum pumps in the chemical & pharmaceutical sectors is significant. Here, such equipment is primarily used for distillation, drying, filtration, solvent recovery, crystallization, and gas boosting, apart from the degassing of oils, glues, polymers, and water.
In 2018, China was the largest producer of chemicals and also their largest user, holding a 37.0% share of the global chemical sales. The major reasons for the growth of the chemical sector in the country are the easy availability of labor and raw materials at low costs, government subsidies, and relaxed environmental norms.
Similarly, the national pharmaceutical sector is prospering, on account of the rising investments in research and development and setting up of production plants by global industry giants.
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With the growing burden of several diseases, which is leading to the expansion of the overall healthcare niche, the demand for pharmaceutical products is increasing. This is why of all the application areas of vacuum pumps — semiconductor & electronics, chemical & pharmaceutical, mining & general, food & beverages, oil & gas, and energy & power — chemical & pharmaceutical was their largest user during the historical period.
