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In the production process of Polyvinyl Alcohol (PVA), foam issues frequently trouble many enterprises. From polymerization reactions to post-treatment stages, excessive foam not only reduces the effective volume of reactors, leading to decreased production efficiency, but can also cause material overflow, inaccurate measurement, and ultimately affect product purity and quality stability. Traditional physical defoaming methods or general-purpose defoamers often have limited effectiveness, unable to cope with the unique viscosity and surface activity of PVA systems.
Chemi Tech delves into the foam-related pain points in PVA production, identifying their root causes primarily in the high viscosity of materials and surface-active substances generated during the process. These factors make the foam system exceptionally stable, rendering ordinary defoamers ineffective at penetrating and breaking bubbles. To address this core challenge, we have developed a series of high-efficiency defoamers specifically designed for PVA systems. This product series features excellent compatibility and rapid penetration ability, quickly reaching the foam lamella and reducing its surface tension, thereby achieving fast bubble breaking and long-lasting foam suppression.
Our solution is implemented in three concrete steps. The first step is process diagnosis, where our technical engineers gain a detailed understanding of the customer's production process, foaming points, and foam characteristics. The second step is product selection and testing. Based on the diagnosis, we screen matching defoamer samples from our specialized product portfolio and conduct application tests at the customer's site or in simulated environments to accurately evaluate defoaming speed and persistence. The third step is providing a customized addition plan, including the optimal addition point, dosage, and delivery method, ensuring the defoamer performs at its maximum efficacy without affecting the final properties of the PVA product.
For instance, an enterprise in East China specializing in specialty PVA production faced severe foam overflow in its post-washing stage. The massive foam led to low washing efficiency, high water consumption, and product defects after drying. After adopting the customized defoaming solution provided by Chemi Tech, which involved precise addition of our specialized defoamer during the neutralization and washing stage, foam was effectively controlled within a short time. The utilization rate of washing tanks improved significantly, subsequent drying operations ran smoothly, and the appearance and intrinsic quality of the final product gained customer approval, with production efficiency increasing by approximately 15%.
Choosing Chemi Tech means not only selecting a product but also opting for targeted technical service and reliable production support. We are committed to helping every PVA producer overcome foam challenges, achieving cost reduction, efficiency improvement, and quality enhancement.
Guangzhou Chemi Tech New Material Co., Ltd.
Address : No. 3 Road, Lanshan Village, Xiancun Town, Zengcheng District, Guangzhou City
Contact : +86-19820415595(Manager Fang)
Tel : +86-13414362583(Manager Lee)
E-mail : crystal@gzchemitech.com
