The selection of ultrafiltration elements is mainly related to the amount of gas to be treated, and is also closely related to the operating conditions. Since the process parameters are determined under certain conditions, and the actual working conditions and specific conditions are different, how to achieve the process parameters should have a selection problem, and also consider the channel cross-section problem of the ultrafiltration element. The finest precision of the current coarse filter elements has reached 1Lm, which can meet the demand under many working conditions, which can further reduce the investment. The most important thing is that there is a good combination of ultrafiltration technology and traditional separation, which is the main reason for the damage of ultrafiltration components in some plants. If the mechanical separation effect is not ideal or the separation cannot be discharged in time, the damage of the ultrafiltration element by the larger particles is quite serious.
The impact of poor design on engine performance and emissions The application of catalytic converters in China began in the 1980s, but at that time, insufficient attention was paid to environmental protection, and the understanding of catalytic converters was insufficient. It plays a big role in reducing the cost of the power system. The most important aspect in system design is its reliability. Various factors should be considered in the design, and computer fitting calculation should be used to achieve optimal design and minimize the cost. This is manifested in the fact that the application of catalytic converters seems to be of interest only to chemical engineers and environmentalists. There is little consideration in engine matching and vehicle passability, and some unreasonable designs have emerged, resulting in the mid-1980s to the 1990s. In the medium-term catalytic converters, the use of most catalytic converters affects the user's driving or reduces the engine life.
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