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Selection and Application Practice of Defoamers for Papermaking
Release time:2024-10-15 Page-views:9

In the paper industry, selecting appropriate defoamers is crucial for improving production efficiency and paper quality.

When choosing defoamers for papermaking, we first need to have a deep understanding of the types of defoamers, and select the appropriate type of defoamer based on the characteristics of the papermaking process and system. For example, water-based systems can use surfactant based defoamers, while oil-based systems are more suitable for polymer based defoamers. At the same time, consider the performance of defoamers, including defoaming speed, defoaming time, and temperature range of use. Choose defoamers with stable performance and significant effects to ensure the smooth progress of the papermaking process. Choose low toxicity, low volatility, and easily biodegradable defoamers to reduce their impact on the environment and human health. Defoamers should be compatible with other chemicals and equipment used in the papermaking process to avoid adverse reactions or affecting paper quality.

Conduct small-scale experiments before formal use to evaluate the actual effectiveness of defoamers. Determine the most suitable type and usage method of defoamer by observing indicators such as defoaming speed and defoaming time. In practical applications, the addition position and dosage of papermaking defoamers should be adjusted according to specific processes and equipment.

At the same time, it is important to thoroughly stir the defoamer before use to ensure its uniform distribution. The addition amount of defoamer shall be reasonably controlled according to the generation of foam and process requirements. Too much or too little can affect the defoaming effect. Regularly check the foam condition in the papermaking process, and adjust the amount and position of defoamer as needed.

Therefore, selecting appropriate paper defoamers and applying them correctly is of great significance for improving paper production efficiency and paper quality. In the future development, with the continuous progress of the paper industry and the increasing demand for environmental protection, paper defoamers will develop towards a more environmentally friendly, efficient, and intelligent direction.

Against the backdrop of increasingly strict environmental regulations, the paper industry has put forward higher requirements for the environmental friendliness of defoamers. With the continuous development of intelligent technology, the application of paper defoamers will gradually achieve intelligence and automation.

Paper defoamers, as important additives in the paper industry, are of great significance in improving production efficiency and paper quality. In future development, paper defoamers will pay more attention to environmental friendliness, efficiency, and intelligence. By continuously innovating and optimizing, we have developed defoamer products that better meet market demand and environmental requirements, contributing to the sustainable development of the paper industry. Meanwhile, with the deepening application of intelligent technology, the use of defoamers in papermaking will become more precise and efficient, promoting the papermaking industry to move towards a higher level.

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