When using a baghouse, the choice of filter bags is based on:

The choice of filter bags for a baghouse is indeed influenced by multiple factors, making the selection process critical for effective filtration.

Temperature plays a significant role, as filter materials have specific temperature limits. If the temperature of the gas exceeds the filter's tolerable range, it can lead to degradation or failure of the filter material.

The chemical composition of the gas is another vital consideration. Different filter media are designed to withstand specific chemicals. If the gas contains aggressive or corrosive components, a filter bag made from compatible materials is essential to ensure efficiency and longevity.

The type and makeup of the particulates also matter, as different particulates can adhere to or penetrate filter materials differently. Selecting a filter bag that matches the size, abrasiveness, and other characteristics of the particulates ensures optimal performance and minimizes maintenance.

Considering all these factors—temperature, chemical composition, and particulate type—ensures the chosen filter bags will effectively remove contaminants while maintaining operational efficiency and equipment lifespan. This comprehensive approach is why all the mentioned elements are critical in making the selection, leading to the conclusion that the best answer involves all of the above.