Emission standards of HBNA Series Sewage Treatment Plants

Thermotolerant coliforms not exceed 100 coliforms /100ml

Total suspended solids (TSS) Not exceed 35 mg/L

BOD5 without nitrification Not exceed 25 mg/L

Chemical Oxygen Demand(COD) Not exceed 125 mg/L

PH between 6 and 8.5

Residual chlorine Not exceed 0.5 mg/L

HBNA series of sewage treatment plant, the use of oxidative degradation, membrane microfiltration and physical disinfection of the combination of methods to deal with the marine toilets, kitchen, bathroom sewage (also applicable to institutions, schools, hotel housing and factory and mining enterprises).

Compared with the same type of products, it has the characteristics of small volume, light weight, compact structure, no secondary pollution, easy operation and maintenance.

The discharge water treated by this device meets the emission standards of the International Maritime Organization for antipollution Convention (MAPOL73/78) modified by the International Maritime Organization (IMO), which is in accordance with (IMO. MEPC. 227 (64) "Guidelines for the Implementation of Standards and Performance Tests on Discharges from Domestic Sewage Treatment Units, 2012". and GB3552-2018 Article 5.2.2 and 5.2.4 of the " Emission Standard for Water Pollutants from Ships"). The products have passed China Classification Society(CCS), Russian Classification Society(RS), ZC, ZY type approval.

About MEPC.227(64)

The International Maritime Organization IMO. Maritime Environmental Protection Committee formally adopted the resolution of IMO.MEPC.227(64) on October 5，2012，which made the requirements of MARPOL73/78 International Pollution Prevention Convention Annex IV on ship domestic sewage treatment plants. With the new requirements, from January 1,2016, all domestic sewage treatment devices for lifting old and new ships must meet the requirements of this Convention.