A Review on Physical and Chemical Characterisation of Dairy Effluents
- Author Ajay Sharma
- Co-Author Dr. Ashutosh Pathak
- DOI
- Country : India
- Subject : Dairy Industry
Keywords : wastewater, environment, solids, organic and inorganic etc
Abstract
Biological treatment of wastewater has been engaged successfully for numerous types of industries. Aerobic processes have been used expansively. Large production of sludge is the main problem and methods such as bio filters and membrane bioreactors are being developed to combat this occurrence. Anaerobic waste treatment has experienced noteworthy developments and is now consistent with low retention times. The UASB though a high rate anaerobic reactor is now becoming less prevalent than the EGSB reactor. New developments such as the Annam ox process are highly promising for nitrogen removal. For metal removal, processes such as bio sorption and bio surfactants combined with ultrafiltration membranes are under development. Bio surfactants have also shown promise as dispersing agents for oil spills. Wetlands can be used to reduce biological oxygen demand (BOD), total suspended solids (TSS), nutrients and heavy metals if sufficient space is available.
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