Water treatment defoamer - the cornerstone of efficiency improvement and resource protection

In the field of modern industry and water treatment, foam has always been a hidden obstacle affecting production efficiency, energy consumption and environmental protection. As a functional additive, the inevitability of the existence of defoamers is not only due to technical requirements, but also an important manifestation of resource optimization and sustainable development strategies.

1、 The harm of foam

Foam will hinder the effective contact between water and chemicals or gas. For example, in the aeration process of sewage treatment, foam coverage will reduce the oxygen transmission rate by more than 30%, significantly increasing energy consumption. The foam carries suspended solids and organics, which affects the sedimentation and filtration effect, leading to the effluent index exceeding the standard. In addition, the foam overflow may seriously corrode the equipment, block the pipeline, and even cause safety accidents.   

2、 Irreplaceability of defoamers

Mechanical defoaming is expensive and difficult to cope with the instantaneous foam outbreak, while chemical defoamers can destroy the foam film structure in seconds.   

Compared to the investment of hundreds of thousands of yuan in physical defoaming equipment, the cost of using defoamers is only 0.1-0.5 yuan per ton of water, which is suitable for large-scale applications. Customized defoamers such as organosilicon and polyether can be developed for different water qualities (such as high salt, high temperature, and acidity), which cannot be achieved by other means.   

3、 Sustainable development of environmental benefits

Defoamers indirectly reduce wastewater treatment time and energy consumption by improving water treatment efficiency. Taking the paper industry as an example, adding defoamers can reduce energy consumption in aeration tanks by 15% and reduce carbon dioxide emissions by hundreds of tons annually. In addition, modern biodegradable defoamers have achieved environmental friendliness, further eliminating ecological concerns.   

The existence of defoamers is an inevitable choice for refined management of industrial civilization, from short-term problem solving to long-term benefit balance. With the development of green chemistry technology, water treatment defoamers are the cornerstone of efficiency improvement and resource protection.