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Walnut shell filter

Walnut shell filter adopts walnut shell with strong absorption ability, stable chemical performance, good hydrophily, anti-oil performance and special processing treatment as filter material. Its most significant features are:  
• High filtration speed, generally two times of filtration speed of quartz filtration jar;  
• Good backwashing effect. Due to it is equipped with mechanical scraping structure, it reach the effect with single water washing cannot realize;
• Little water yield for backwashing. Water yield for backwashing is just 1/2~1/3 of that of quartz filtration jar;
• Available for using pre-filtration water for backwashing, and unnecessary to set up backwashing pump and backwashing water jar; 
• Strong absorption ability and high filter fineness. 
• Small floor space.

Basic technical performance and parameter list 

Boundary dimension of filter