Decentralized wastewater treatment technologies

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wastewater treatment

On April 03, 2015, the Ministry of Construction issued the Circular No. 04/2015/TT-BXD dated April 03, 2015 of the Ministry of Construction guiding the implementation of a number of articles of the Decree No. 80/2014/ND-CP dated August 06, 2014 of the Government on the waste water drainage and treatment.

Within that, decentralized wastewater treatment technologies is one of the most important contents. Particularly, Criteria for choice of decentralized wastewater treatment technology including capacity of wastewater treatment plants; components and properties of wastewater, level of pollution, capacity of receiving waters, positions of discharging processed wastewater; level of energy consumption of necessary for collection of wastewater; requirements of technical regulations and standards on quality of processed wastewater; technical and financial conditions, capability of management and operation of wastewater treatment plants; conditions of climate, topography, site geology, and hydrogeology; capability of expanding or increasing capacity and capability of connection with centralized wastewater treatment system in the future and other relevant environmental factors.

Also in accordance with this Circular, management and use of treated wastewater must be directed towards saving of water resources, safe uses and ensuring community health and environmental hygiene; treated wastewater is mainly intended for such purposes as agricultural irrigation, plant watering, road washing, car washing, re-use for industries, supplementing water to water basin serving entertainment landscape, or for other purposes. Quality of treated wastewater to be re-used must meet national technical regulations on water quality used for respective purposes and applicable regulations. Owners of drainage works are responsible for organizing direction and formulation of plans and alternatives for use of treated wastewater; checking and assessing environmental effects on the use of treated wastewater; work it out and learn experiences from the implementation…

This Circular takes effect on May 19, 2015.

Source: http://luatvietnam.vn/