High quality wastewater treatment in a package
BI Pure Water is now supplying package sewage treatment plants with advanced technologies such as membrane bioreactors (MBR), moving bed bioreactors (MBBR) and integrated fixed film activated sludge (IFAS). These technologies have been tried and tested in thousands of applications worldwide and are producing higher flows for the footprint and higher quality of filtrate.
Advanced wastewater treatments are efficient at reducing BOD (Biological Oxygen Demand), Total Suspended Solids, bacteria, total coliforms, ammonia, and nitrogen, phosphorus, and turbidity. The treated effluent from an MBR can even be reused as industrial process water and landscape irrigation and the solids make excellent compost.
Package sewage treatment systems combine conventional activated sludge treatment with filtration, in a compact footprint, to produce high quality water as per Canadian and US discharge standards. Ultrafilters (MBR photo above) or other aeration or filtration equipment can be added onto existing facilities to meet new release guidelines.
BI Pure Water has sewage treatment engineers on staff that design for cost effectiveness; we also build, deliver, and commission custom turnkey package sewage plants.
Size by flow:
- One 40-ft ISO shipping container for a 150-man (38 m3/d) 10,000 US GPD MBR for domestic sewage
- Multiple ISO shipping containers for larger flows and higher strength wastewaters
- Larger plants in 12’ wide x 12’ high x 40’ long steel tanks
- Concrete tanks for even higher flows
Package plants are ideal for decentralized treatment services such as small-to-medium municipal applications, subdivisions, industrial sites, camps, or resorts.
How It Works:
In the photo above, Membrane bioreactor units are submerged directly into the wastewater and filtrate (filtered water) is drawn through and out of the membrane by a slight negative pressure. Solids, bacteria, parasites and viruses remain in the bioreactor to be digested by bacteria or settle as sludge. BPW-MBRs eliminate the need for the final stages of conventional wastewater treatment plants, including clarification and filtration.
Minimal Maintenance of MBR
- With specially-designed air scouring, the build-up of biofilms is greatly reduced and the need for chemical cleaning is once or twice per year. Membrane life is extended, minimizing maintenance.
- System layout is designed to accommodate and simplify maintenance procedures
- Membranes are easy to load and remove for fast changeouts
- 60-80% less sludge produced versus conventional activated sludge systems
- Effective barrier against solids, organic pollutants and micro-organisms
- Optimum design of scouring air diffusers can provide a 40% oxygen credit (reduction in air requirement) for aeration tank
- Chemical-free self-cleaning is available with backpulse capability for reduced maintenance