| abstract |
Method for treating sewage which enables reuse of the treated sewage as a substrate for producing compost and/or biogas and/or fertilizer is disclosed. The method, comprising at least one step of electrolytically treating sewage (5), an energy transfer step comprising at least one selected in the group comprising: a temperature raising treatment, an ultrasound treatment (27). The electrolytic treatment and energy transfer steps determining the dissociation from the sewage of gas comprising nitrogen, preferably ammonia. Further, the method comprises a step of separating and collecting (32) gases comprising nitrogen from the mass of sewage. An apparatus is also disclosed where the sewage is recirculated from a main tank to a baffled chamber with a series of choke points where microwave radiation is used to further process the sewage. |