Process for treatment of waste water from thermal baths

摘要

Process for treatment of different types of thermal bath waste water, partic. bath and shower water and swimming bath filter back-washing water, which arise discontinuously comprises the individual types of waste water are stored separately and the total amts. accumulated during a day are mixed in an approx. constant mixing ratio, producing a stream which is subjected to flotation and then is ozonised, generating a continuous flow of usable water. A flocculating agent may be added to the waste water mixt. with pH control. Also claimed is a system for carrying out the process.