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Application Case of Alm Dry Screw Pumps in Solvent Recovery within the Pharmaceutical Industry
Release date:
2025-03-24 16:47
Source:
A pharmaceutical company primarily produces traditional Chinese medicines, herbal remedies, biopharmaceuticals, and formulations, with its products mainly sold in China and Southeast Asian countries. Previously, the customer relied on an older model of wet vacuum pump, which failed to meet their growing demands for corrosion resistance and environmental compliance. Now, they urgently require a new dry screw pump that offers superior corrosion resistance, high pumping speed, exceptional vacuum performance, and eco-friendly features—ideal for replacing their current equipment.
Accompanied by the sales manager and the technical director, the customer toured Elmhurst's production facility, gaining a deep understanding of our company's dry screw pumps—specifically their applications in solvent recovery and other areas within the pharmaceutical industry—as well as their key technical features, all in preparation for equipment replacement.
In the pharmaceutical industry, dry screw pumps are the optimal vacuum equipment choice for solvent recovery applications. After crystallization in the active pharmaceutical ingredient (API) production process—where the product undergoes filtration, washing, and vacuum drying—dry screw pumps enable complete recovery of organic solvents, ensuring zero wastewater and zero liquid waste during the process. Additionally, Alm dry pumps feature corrosion-resistant treatment applied directly to the pump chamber and rotors, tailored specifically for real-world operating conditions. This innovative design eliminates the need for any additional industrial media, further guaranteeing solvent recovery without generating any liquid waste.
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Secondly, every dry screw pump from Elmo undergoes rigorous dynamic balancing to ensure precision. Additionally, the screws are designed with a carefully calibrated clearance—based on extensive, expertly conducted experiments—to prevent any friction during operation. As a result, the pump runs smoothly and quietly, with no need for lubrication in the working chamber. This not only minimizes oil consumption and power usage but also eliminates maintenance requirements altogether. These energy-efficient, low-noise features make Elmo pumps the ideal choice for pharmaceutical companies that demand high environmental standards and strict noise control—making them the perfect solution for such industries.
Based on the pharmaceutical company's process requirements for solvent recovery, we recommended the Alm VDP series dry screw pumps. After six months of use, the customer reported that Alm’s dry pumps deliver outstanding performance in wastewater and waste liquid discharge, solvent recovery, and full recovery of organic solvents—significantly boosting equipment operational efficiency while reducing overall business costs.
In recent years, the market demand for dry screw pumps has become increasingly prominent. As users grow more discerning about companies' production and operational practices, their approach to selecting vacuum equipment has also become more strategic and concept-driven. Meanwhile, with environmental awareness steadily gaining traction, many businesses have significantly increased their interest in dry pumps and oil-free vacuum pumps.
Currently, China still faces numerous technical challenges in the research and development of dry screw pumps. To drive the continued advancement and widespread adoption of screw pumps, vacuum pump companies must continuously explore innovation and break through existing technological barriers.
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