Production method of non-woven biological carrier and finished product thereby

Abstract

The preparation method for nonwoven-fabrics biological carrier comprises: 1. preparing a fiber network layer after breaking, scutching and hackling cotton treatment; 2. piling the fiber network layer to request thickness, and forming a non-woven fabric lap with strength by a first fixing process; 3. taking a second fixing process to make the non-woven have at least one parallel or lots of vertical fixing line, and combining the fiber tightly on the fixing line position while showing puffy on other part; 4. cutting into block biological carrier product that goes down easily in water and has large surface for biological attachment.

Description

【Technical field】 [0001] The invention relates to a method for making a non-woven biological carrier and its finished product, in particular to a method for making a non-woven biological carrier that is easy to sink in water and has a large surface area for biological attachment and its finished product. 【Background technique】 [0002] The existing biological carrier (biomass carrier), in the existing patent case of European patent EP0433139, discloses a kind of carbonate particle as a biological bed (bedof biomass) for water purification or wastewater treatment, and its disadvantage is biological adhesion Due to the limitation of the outer surface of carbonate particles, its attachment area is small, and its processing and purification capabilities are limited. In addition, in the existing patent case of Canadian patent CA1217581, a kind of PU foam is disclosed as a biological carrier. Although PU foam Cotton has a large area for biological attachment, but because the pores...

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Problems solved by technology

[0002] The existing biological carrier (biomass carrier), in the existing patent case of European patent EP0433139, discloses a kind of carbonate particle as a biological bed (bedof biomass) for water purification or wastewater treatment, and its disadvantage is biological adhesion Due to the limitation of the outer surface of the carbonate particles, the attachment area is small, and the processing and purification capabilities are limited. In addition, in the existing patent case of Canadian patent CA1217581, a PU foam is disclosed as a biological carrier. Although the PU foam Cotton has a large area for bio-attachment, but because the pores of PU foam are not completely connected, the use of the pores is limited. In addition, when in use, PU foam is not easy to sink into the water, and the initial construction speed is slow. Therefore, how to Conceive a method of making a non-woven biological carrier that is easy to sink in water and has a large surface area for biological attachment and its finished product, which is a topic that can be studied and improved

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