Features   Biological wastewater reactors are traditionally divided into two groups based on modes of cell growth: suspension and attached (biofilm) growth.   Suspended cells grow in void space and biofilms grow on surfaces, both forms of microbial growth must in principle occur in a biological reactor.   Cell growth and substrate utilization in both modes contribute substantially to the total organics removal.   Suspended cells in the voids of a "traditional biofilm" reactor  also contribute significantly to degradation of organic substrates.   Biomass accumulation in both modes, substrate degradation, and effective substrate utilization can occur by introduction of spirals.   The attached growth process retains a large part of the micro organisms derived from  the surface of Spirals in the reactor.   The  configuration  of  the  spirals  permit  a  dual cell growth enhancing  the  microbial activity occurring in the reactor.     The organic material present in the wastewater is degraded  by a consortium of micro organisms facilitated by Spirals.   Spirals made in PVC offer excellent support for the bio mass     Dual  growth process in Spirals provides   greater efficiency, operational flexibility and versatility than any other biological treatment process.       This   provides an  opportunity to modify  biological  treatment  processes in  respect  of recycling suspended solids and prevent wash out of microbial mass from the reactor.   Characteristics:   Size Surface Area Void Ratio Packing Factor Weight 35VP – 55mm packing 350 sq.m/cu.m 92% 83 sft/cft 110 gm/l Permissible temp : upto 60°c Specific Gravity: 1.05 to 1.10     © 2004 Fujino spirals India Pvt. Ltd Products | Processes | Advantages |Installations | Profile | Contact Us