In the petrochemical industry, desulphurisation is a key process used to remove sulphides from fuels and chemical feedstocks. However, as with many liquid processes, the desulphurisation process often encounters foaming problems, which can prevent the desulphurising agent from making full contact with the sulphides, reducing desulphurisation efficiency and even leading to equipment failure.

In order to solve the foam problem in petrochemical desulphurisation, organosilicon desulphurisation defoamers are commonly used. Antifoam agent is a chemical substance that can quickly destroy the foam on the surface of the liquid. In the desulfurisation process, the addition of defoamer can effectively destroy the foam structure and make it dissipate quickly, improving the efficiency of desulfurisation and equipment stability.

The choice of defoamer is important.

Consideration needs to be given to its compatibility with the desulphurising agent and the substance to be removed, and to ensure that it remains effective under high temperature and high pressure conditions. Some common petrochemical desulphurisation defoamer ingredients include silicones, non-ionic surfactants and polymers. These defoamers effectively disrupt the foam structure and form a protective film that prevents new foam from forming.

The use of organosilicon desulphurisation defoamer has several advantages:

1. It improves the efficiency of the desulphurisation process and reduces the waste of desulphurising agent.

2. The application of antifoam agent can reduce the corrosion and clogging of foam on the equipment and prolong the service life of the equipment.

3. It also improves the stability of the desulphurisation system, reduces equipment maintenance and downtime, and increases productivity.

In the process of petrochemical desulfurisation, the correct use and control of organosilicon desulfurisation defoamer is very important. It is necessary to determine the dosage of defoamer according to the actual situation, and monitor the formation and elimination of foam. In addition, regular inspection and maintenance of the desulphurisation equipment to remove blockages and corrosives are also key to maintaining the stability of the desulphurisation process.

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