The Little River Pond Mill Purifying The World

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The Key to a Cleaner Environment

Introduction

The LRPM (Little River Pond Mill circulator) is an economical and environmentally safe biogeochemical cycle remediation facilitator for use in surface waters, wastewaters, and liquid sewage (effluent).

The method of "aeration by circulation" with the Little River Pond Mill circulator promotes a simple, and yet complex, natural and yet inexpensive, processing method that assists 'Mother Nature' in cleaning up surface waters and waste waters by enhancing the naturally occurring aquatic life cycle processes - all in this new age of high technology.

One of the main concepts that the company has been promoting from the start is the idea of enhancing biological diversity through the use of the Little River Pond Mill® circulators which promote accelerated biogeochemical cycling and the elimination of stagnant aquatic environments.

Patented design

The patented design characteristics of the Little River Pond Mill circulators are very unique. From the corrosive resistant, rotomolded, polyethylene pontoons of the Enviro 200 and 600 series models, the unique aerodynamic design of the rotomolded polyethylene body of the Enviro 700 series, the adjustable swing tail which is up and out of the wind shadow, the highly efficient turbine that smoothly pivots out of excessively high velocity winds, the new rotational pontoon design for improved efficiency, to the watertight drive shaft which turns a submerged impeller 50 cm (20 inches) below the water surface to form an upward re-circulating toroidal vortex that resembles a twister (tornado) - all machine features have been specially designed for optimum performance.

Due to the vortex and circulation, liquid (water or waste water) from as deep as 14 metres (46 feet) or more is brought to the surface. Thermal layers may become destratified, and oxygen is dissolved into the water and circulated throughout the pond, lake, reservoir, sewage lagoon, or wastewater lagoon. In a 24 km/h (15 mph) wind, water is being re-circulated at a rate of 9 m3/s (J. D. Bugg, 1996) or 7.1 million Imperial g/h. The sun's ultra-violet rays, oxygen, chemical interactions, and microorganisms, all begin the break down process of organic matter and other substances. Decomposition, to be virtually odourless and complete, must go through aerobic digestion processes. The entire cycling process that the Little River Pond Mill circulator is promoting is known as biogeochemical cycling. The Little River Pond Mill circulator, in both renewable energy sources (wind and solar) and energy efficient electric (1/2 hp.) powered models, supplies the mechanics for this vital process at thousands of sites every day.

A Remediation System for Most Applications

Little River Pond Mill® circulators provide a unique processing technology and have been sold for remediation of surface water supplies since the Company began its operation in 1983. There are thousands of machines in operation on potable water supplies and recreational facilities globally. They are being used for reversal of eutrophication, odour control, control of algae, coliform bacteria and other nuisance aquatic life, and to increase the oxygen content of the water to sustain fish populations and other aquatic species. As an aerator for fish and shrimp/prawn ponds, where an oxygen level of 5-8 ppm is ideal, a Little River Pond Mill circulator remediation system can maintain this level with ease when the system has been properly assessed for the various variables that need to be addressed.

Algae growth is an on-going, desired and natural process, however in many eutrophied aquatic environments, it can be a major pest problem - too much of a good thing. A quick chemical kill of algae can cause a kill-off of aquatic life and microorganisms that consume the algae and detritus (including sludge) and utilize the nutrients thereby temporarily destroying the natural and delicate balance that exists in aquatic ecosystems. The algae may start to show re-growth quickly, but much aquatic life may take a significantly longer period of time depending on the damage. A Little River Pond Mill circulator remediation system, acting as the mechanics, can provide an environment that will control algae and other nuisance aquatic plants without the use of poisonous chemicals - ideal for the organic producer.

In livestock sewage lagoons the Little River Pond Mill® circulator will aerate, circulate, and destratify the liquid sewage promoting a reduction in offensive odours. VFA's (volatile fatty acids) have been shown to be a good indicator of offensive odour and in a test conducted in Central Canada it was shown that after 90 days with the Little River Pond Mill circulator in the test lagoon, the average level of VFA's was only 113 mg/L, which is well below the 230 mg/L considered as having an offensive odour; the control lagoon measured 6,904 mg/L (M. R. Toombs, 1997).

This unique processing technology, developed by Sunset Solar Systems Ltd. in the early 1980's, has been sold for reducing odours, solids, BOD, COD and other pollution indicators in most types of effluent and wastewater lagoons and ponds since the mid to late 1980's. With upwards of a thousand or more machines being utilized globally for waste water treatment - the first installations were on a hog effluent earthen manure storage facility. We presently have installations for remediation of hydrocarbons in the oil and gas industry, winery waste, municipal sewage (public and private), livestock sewage, commercial food processing waste water (livestock and vegetable), and many others. Little River Pond Mill® circulator's work great for control of odours, reduction of biological oxygen demand (BOD), chemical oxygen demand (COD), and total suspended solids (TSS), for increasing dissolved oxygen (DO), and for assisting in the mineralization and stabilization of nutrients.

The Little River Pond Mill® circulator is patented and marketed globally. Its markets include:

  1. water reservoirs
    1. potable water supplies
      • farms and acreages
      • livestock consumption
      • human consumption
      • municipal/ state/ provincial
      • resorts
      • golf courses
    2. recreational water bodies
      • golf courses
      • resorts/ lakes
      • control/ reverse eutrophication
      • water slides
      • fish protection
      • wildlife habitat management
      • race tracks
         
  2. wastewater
    1. industry
      • mining,
      • oil/ gas,
      • chemical, i.e. salt brine reservoir
    2. agriculture
      • processing
      • livestock/ poultry, i.e. meat packing
      • plant based, i.e. sugar beet processing
    3. municipal/ federal/ provincial/ state, i.e. landfill leachate lagoon
    4. commercial
    5. trailer parks
    6. farms/ acreages
       
  3. liquid sewage / effluent
    1. human
      • municipal/ federal/ provincial/ state, i.e. prison, town,...
      • private
      • public, i.e. rest stops
    2. livestock/ poultry/ exotics (hogs, dairy, poultry,...)
      • production
      • processing

Wind , Solar, and  Electric Models

All models are economical and environmentally friendly. The low energy requirement, 1/2 hsp motor of the electric models, and renewable energy (wind or solar), of the Little River Pond Mill® circulators is typically significantly less than the energy requirement of most circulators, mixers and aeration systems on the market today.  All Little River Pond Mill® circulator models have special design features that promote high circulation efficiency with low energy input. We have been promoting reducing greenhouse gas emissions for upwards of 24 years!

What to think about when purchasing

When considering the purchase of a Little River Pond Mill® circulator remediation system, there are a few variables to be considered:

  1. environmental weather patterns
    • temperature
    • wind
    • hours of sunlight
    • hours of annual cloud cover
    • moisture
       
  2. topography
     
  3. geological variations
    • soil
    • bedrock
    • movement,...
       
  4. biological
    • microorganisms
    • macroorganisms
       
  5. chemicals in the environment

It is because of these variables and all the new environmental regulations that we have professionals (environmental scientist and professional agrologist) on staff to meet our customer's special needs. Feel free to contact us or your dealer for a consultation.

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