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POTABLE WATER TREATMENT SYSTEMS

Potable water systems for clean drinking water from 10 to 200 gallons per minute are easily skid mounted and rapidly installed in the field. Remco Engineering systems are always PLC controlled to ensure a minimal level of operator involvement in the operation of the system.

Types of systems -

HIGH FLOW MUNICIPAL SYSTEMS.

These systems at 500,000 gallons per day and above are usually designed to clarify with a polymer and coagulant to remove solids and the solids are precipitated in a large settling tank. High hardness waters are limed to remove excess hardness. These can be automated and are sometimes modular in construction. Higher flow systems are usually built in place due to the size required for the settling ponds.

See the WATER TREATMENT PRIMER link for more information on municipal systems

1-200 GPM SKID MOUNTED POTABLE WATER SYSTEMS - Low dissolved solids

Remco Engineering skid mounted systems are designed to run automatically and unattended except for periodic maintenance. We us computer controls (PLC) to monitor all function so we can take most of the human monitoring out of the system. The basic systems include the following -

Prefiltration - Using either backwashable media filters, and or cartridge filters, depending on the size of the system, the solids are removed to a 5 micron level.

Holding tank - For filtered water potable water -

Feed pumps - High pressure pumps for supplying potable water

Chlorination - For destruction of bacteria, viruses, and cysts. Chlorination is the most reliable, persistent sterilization agent. Other choices such as ultraviolet light or ozone are available depending on the water source.

Chlorine monitor - For insuring proper chlorination level

Chlorine tank and metering pump - adds the correct amount of chlorine to the system

Bladder tank - Allows the system to turn off the pumps if now water is required and still hold pressure on the line.

System controls - Including flow meters, pressure sensor and gauges, level controls, and pressure switch, all monitored by the PLC to provide complete control and safety. Our systems can be monitored remotely over the internet if it is available.

HIGH DISSOLVED SOLIDS SYSTEMS - over 700 ppm total dissolved solids.

These are usually custom and use reverse osmosis to remove excess solids. Extensive treatment including softening, carbon, chlorination/dechlorination may be required depending on the water source.

SLOW SAND FILTRATION (SSF)

For small villages, the lowest cost potable water system is probably a slow sand filter. It is simple to operate and, if the feed is fairly clean, low maintenance. They take a lot of land area and require manual maintenance to remove the filtered material. The two links below will give you a start in learning about SSF systems

Slow Sand Filter Link 1

Slow Sand Filter Link 2