On the occasion of one year guarantee operation of new installed decentralized wastewater treatment system (DEWATS) in Thanh Hoa Pediatrics Hospital, a BORDA-workshop on DEWATS approach and technology and to visit the treatment plant for the hospital was held on 29 October 2009 in Thanh Hoa province. Participants were from DOST, DOH, DOC and DONRE and from other hospitals and clinics operated in Thanh Hoa province.

After a brief introduction on DEWATS technologies and it’s application within different regions, some illustrations of DEWATS constructed and operated in were shown to all participants for their reference. During this meeting representatives from  the hospital and the technical responsible operator expressed their great comments on the efficiency of the treatment plant. In particular they emphasized the low cost for operation and maintenance.

Following the introduction, all participants were invited to visit the treatment system to have a closer look at all modules such as anaerobic baffled reactor and filter, horizontal gravel filter and got further explanation about the mode of operation. Most of the participants were impressed by the appearance of the system.

The DEWATS plant for Thanh Hoa hospital has been designed for treating 300m3 of wastewater per day. The prescriptive limits (QCVN-14: 2008) can be fulfilled without using additional chemicals or aeration systems (no auxiliary energy necessary).