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Sewage Treatment Plants

MBBR SystemSTP

The Etch2o’s MBBR system is an innovative biological treatment process using thousands of special carriers designed to create an enormous total surface area for biofilm growth – enhancing your wastewater treatment process without expanding your footprint.In the MBBR configuration offers a treatment process based on a bio-film which provides organic carbon removal, as well as nitrification and de-nitrification where needed, without circulation of activated sludge. The process is simple, robust, and requires minimal operator intervention. Wastewater is introduced into a single or multiple-stage system (depending on whether Nitrogen removal is required), each of which contains the suitable volume of biomass carriers.The MBBR configuration is extremely well suited for a wide range of applications: from pre-treatment of industrial wastewater, to full treatment of municipal wastewater to the most stringent effluent requirements.ETCH2O High Speed Bio Tech Model CON3 series are shipped inside containers.
ETCH2O MAXI – 3 series, ETCH2O buy standard ISO MAXI containers, the W WTP itself are then constructed within the container itself that function as a system shelter.
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FEATURES & BENEFITS:

  • Quick startup – Robust operation.
  • Robust and consistent operation
  • Minimum services and maintenance require.

ETCH2O Bio is self-cleaning, no filters, no backwash, and no membranes to replace.

  • In certain application, you can skip buffer and pre-settling tanks
  • No Backwashing – clog free – AMB Bio Media with 20 years warranty.
  • Fully automatic require minimum service maintenance
  • Meet stringent effluent standards consistently.
  • Automatic Sludge handling and separation by ETCH2O Sludge cyclone.
  • Easy to move and expand. ETCH2O offers any size of WWTP or Capacity.
  • ETCH2O Bio is complete, containerized, tested and ready to operate

Basic Process

The basic principal of the moving bed process is the growth of the biomass on plastic supports that move in the biological reactor via agitation generated by aeration systems(aerobic reactors) or by mechanical systems (in anoxic or anaerobic reactors). The supports are made from plastic with a density close to 1 g/cm3 letting them move easily in the reactor even when the capacity reaches 70%.The moving bed processes come from the current trend in wastewater treatment, from the use of systems that offer an increased specific surface in the reactor for the growth of the biomass, achieving significant reductions in the biological reactor volume.Initially fixed bed systems were used, however it was discovered that this type of process show a series of operational inconveniences such as the blocking of the bed because of the excessive growth of the biomass, this makes periodical cleaning obligatory. These drawbacks have caused the need for the creation of simple biofilm processes that eliminate them and that ease their operation; these are the moving bed processes.This type of process can be applied both to treatment plants for the biodegradation of organic material as well as for installations with nutrient elimination, in urban and industrial wastewaters. Another application is the use of this technology in the redesign of current activated sludge processes, which only treat organic material, to expand them and include simple nitrogen elimination without the need to construct new biological reactors.

With respect to the aeration system is via a grid of perforated stainless steel tubes that avoid problems of efficiency loss, diffuser replacement, etc.

basic process