Abstract

13C-NMR Assessment of the Pattern of Organic Matter Transformation during Domestic Wastewater Treatment by Autothermal Aerobic Digestion (ATAD)

Author(s): Anita Eves

Autothermal Thermophilic Aerobic Digestion (ATAD) has more and more been used worldwide for tertiary treatment of animal manure, domestic sewer water and for food, pulp and textile wastes. Thermophilic conditions that occur throughout the ATAD method facilitate microbic biomass production and degradation of multiple substrates within the sludge. The elevated temperature additionally facilitates improved degradative mechanics that successively is complemented by economical combination and aeration throughout the method. the method is energy-efficient, environmentally friendly and economical as a result of the warmth needed is generated by microorganism metabolism, few chemical additions are required, and therefore the final product may be without delay applied to land while not management restrictions for microorganism management (US Environmental Protection Agency Regulation 503). Important progress has been created within the improvement and adaptation of ATAD technology since it had been 1st introduced within the early Nineteen Seventies. Most of the analysis relating ATAD digesters has targeted on laboratory-scale method performance, total solid removal potency, optimization of the ATAD method for treatment of inauspicious to method wastes and therefore the dewatering characteristics of the resultant biosolids.