What are the filter media and the filter aid?
Oil system for the consumption of phospholipids, it is necessary to add diatomaceous earth as a filter aid; in the dewaxing, sub-time must be in the lower temperature filtration, the role of filter aid is more obvious.
For the suspension containing more colloidal particles, the addition of the filter aid can effectively improve the filtration rate, especially for some by the process limit, can not be used to improve the temperature filtration of the suspension system, the application of filter aid is of great significance.If you use leaching
High filtration, the need to cover a layer of coarse cloth outside the coarse cloth or velvet. In addition, often use stainless steel wire weaving filter, 30-40 hole / cm filter for crude oil filter, 140-180 holes / cm
But also commonly used 130 #, 240 #, 260 #, 261 # polyester filter cloth and 828 # Victoria nylon filter cloth and other chemical products. The number of latitude and longitude for crude oil filtration, the number of shares for the oil filter, for some requirements
The selection of the filter medium affects the clarification of the grease after filtration and the smoothness of the cake. The grease industry uses a wide range of media such as 20.8 yarns of canvas, denim and plain white cloth.
