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DID YOU KNOW?

FAST units are capable of handling any combination of blackwater, graywater, ground food waste, freshwater, seawater, vacuum toilets and conventional toilets. No macerators, grinders, pretreatment or flow equalization tanks are required.

The process is very turbulent and the airlifts used for oxygen transfer throw foreign objects to the sides of the tank where they will not interfere with the process. There are no moving parts in contact with sewage, no filters, membranes or fine pore aerators to blind or plug.

FAST units provide outstanding effluent quality without any filters or membranes. Consider official testing under three separate regulations over a 50 year span and with standard production units:

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Many biological processes are upset by light loading. The only effect on FAST is that the effluent quality is even better.

FAST starts up much faster than conventional suspended growth processes. Also, FAST is self-starting without powdered bacteria or activated sludge from another sewage treatment plant. In the real world, all biological processes are upset from time to time. FAST handles these quickly and automatically and no operator intervention is required.

All processes capable of removing pollutants to meet MEPC.159(55), US EPA and other secondary effluent standards produce a residual sludge that requires separate disposal – that is, all processes that do not employ dilution to meet standards.

The FAST process supports a more complex microbial culture than conventional suspended growth systems. Segmented sludgeworms, insect larvae and other higher ordered organisms predate upon simpler microorganisms and reduce the mass rate of sludge accumulation by one-third or more.
At the same time, FAST sludge is heavier and more concentrated than that from suspended growth systems of all types (including MBR’s). In volumetric terms, the net result is a rate of sludge accumulation of much lower than that of other processes.

There is no need for operators to come into contact with sewage at any time.

FAST® is truly a state of the art process. Operating weight is less than half that of comparable biological units.

The smallest FAST units are sized to handle harbor tugs and individual homes. The biggest systems so far handle 195,000 gpd from 1,750 persons aboard a cruise ship and 1,500,000 gpd from a municipal system at Tokoroa, New Zealand.

Steel tanks are designed to meet ABS Deep Tank standards. This provides a strong foundation for a superior coating system. Many FAST units remain in everyday marine and offshore service after 30 years of continuous operation. When requirements change, these units can be and are updated at minimal cost.

With such long service lives, older FAST units can be and are upgraded to meet the latest regulations when so required. Although the process technology is state of the art, the components are simple and economical.

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