Since 2000, atmospheric environmental problems have become more and more serious, and exhaust emission management has also attracted the attention of the government and all sectors of society. Organic waste gas is the main component of industrial waste gas, which has a great impact on the atmospheric environment and human body. At the same time, its source and composition are complex, so the treatment difficulty and method are different. among Honeycomb activated carbon Widely used! The following section briefly analyzes honeycomb in exhaust gas Activated carbon Treatment method of.

I Honeycomb activated carbon Main composition and performance of

Honeycomb activated carbon is mainly made from coconut shell, coal, and wood carbon powder, which are processed and shaped and then activated at high temperature. It is characterized by large specific surface area, small air permeability resistance, developed micropores, high adsorption capacity and long service life.

1. Strong adsorption

It is widely used in various organic waste gas purification systems with low concentration and large atmospheric volume. The treated waste gas can be fully contacted with the activated carbon through the square hole, and the adsorption efficiency of various waste gases can reach 80%, which can be widely used for the purification of odor gases and various gases containing trace metals. The environmental protection equipment using honeycomb activated carbon has high tail gas treatment and purification efficiency, small adsorption bed volume and low equipment energy consumption, which can reduce construction costs and operating costs, and the purified gas can fully meet the environmental protection emission requirements.

2. Low wind resistance

The reason why honeycomb activated carbon can replace columnar and granular activated carbon is that the wind resistance coefficient is small (up to 0.8 m/s), and the tail gas flows in steadily, which does not affect the subsequent displacement and the service life of the machine. It has good adsorption and desorption properties and mechanical properties of the machine body.

In conclusion, different organic waste components and concentrations are suitable for different organic waste treatment methods. At present, although there are many factors such as comprehensive technical maturity, economy, equipment maintenance, etc., the honeycomb activated carbon adsorption method is widely used.

2、 Precautions for use of honeycomb activated carbon:

1. Try to avoid high temperature. As the temperature rises, the adsorption effect decreases, and it is good to maintain it at 30~50. At the same time, avoid high dust content in the gas. Because the tar dust can block the micropores of activated carbon, prevent wind and reduce the adsorption effect, it is necessary to install a filter device in front of the honeycomb activated carbon to improve efficiency and life.

2. The temperature of high temperature desorption should be controlled at 80~120. The temperature is too low, the desorption effect is poor, and most substances cannot be desorbed. When the temperature is too high, the flammable and explosive gases in the tail gas reach the ignition point (such as toluene), which is easy to cause fire or explosion accidents.