What factors affect the defoaming effect of defoamers?
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What factors affect the defoaming effect of defoamers?
Defoamers are widely used in all walks of life. The types of defoamers are oil-based and water-based. Different kinds of defoamers are used in different industries. Paper defoamer can effectively control the overflow of pulp and foam and improve the quality of paper. It is widely used in defoaming of papermaking system, wastewater treatment, antifreeze and distillation system.
1. Long-term effectiveness:
1. Defoamers are compatibilized by surfactants, such as defoamers, which have a good effect at the beginning, but will be discounted after a period of time.
2 The main defoamer can be absorbed by colloidal resin.
The scope of application of defoamer PH: defoamer in strong acid, strong alkali environment use requirements are more stringent, then need to explain to defoamer manufacturers carrier environment.
2. On-board applicability:
1. Temperature of defoamer. The change of temperature will lead to the change of foam stabilization and defoaming effect of defoamer surfactant.
Customer habits.
When some defoamers are produced, in-plant measurements are passed, but customers often complain about the poor effect of using them. It was not until after arriving at the customer's site for inspection that it was concluded that the decrease of foam stabilization of emulsifier and wetting agent was inconsistent with that of defoamer at the same dilution level due to the excessive dilution of the customer in use. Continuous dilution tends to produce more bubbles.
3. Packaging, storage and transportation:
The storage time of defoamer is more than six months in the environment of 25 C. Defoamers should be stored away from light and not exposed to sunlight. Usually the packaging of defoamer is 25 kg, 50 kg plastic drum, 120 kg plastic-lined drum or according to customer requirements.
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