Freephone: 0800 400 365 Benefits of the system • Turn key installation • Small foot print • Fully automated • Low running costs • Low rate / low depth application • Low man hours to operate • No smell • 60% fresh water savings • Fully patented system headoff ice@cleangreeneff luent .co.nz www.cleangreeneffluent.co.nz nfd22kwClean Clean Green Effluent Company The award winning patented Clean Green E luent Company system has been helping farmers worldwide since 2007 to save time, money and hassle ensuring they easily meet their e luent environmental obligations. “With no storage ponds required the fully automated system can apply e luent at 0.25mm (1/4mm) application depth per 24 hours. It doesn't take much time to maintain, has low running costs and can save up to 60% on fresh water conserving this precious resource for other important uses on farm,” says system designer and company founder Lindsay Lewis. The system starts with a unique patented concrete lined weeping wall that removes 35% more solids and nutrients from the e luent than any other weeping walls tested and is over 1000 times cleaner than a solids press, says Lindsay. This iltered liquid is suitable for cleaning external yards and automated green washing of external yards via the system can reduce fresh water usage by 60% and wash time to nothing. He says solids removal reduces NPK in liquid e luent to a level that allows the fully automated, low rate, low depth application system to safely apply e luent to land on a daily basis at a maximum rate of 0.75mm application depth. “This removes the risk of nitrate leaching or ponding,” explains Lindsay. “As the solids dry in the weeping wall, the liquids separate and are distributed to pasture. The entire system stays odour free and aerobic and, as the NPK levels in the liquid are low, it can be utilised by the pasture immediately. The distribution area for the liquid can be as little as 2ha/100 cows to meet a 150kg per ha loading. The liquid e luent is dispersed via eight maxi pods covering 2ha per day. As the nutrient loading within the liquid is greatly reduced, the pods only require movement on a fortnightly basis.” He says high levels of NPK are retained in the solids stored in the weeping wall. These solids are removed and applied to pasture as dry humus on a yearly basis. “This low rate low depth application allows e luent to be applied safely to land on a daily basis therefore reducing storage requirements to a minimum. No mega ponds are now required. This minimal storage still exceeds the requirements of the Dairy NZ pond calculator. Ag Research testing has indicated the low rate and low depth application system will cause no environmental ill e ects, even in winter.” Lindsay says that because the liquid e luent is dispersed on a daily basis it keeps its aerobic form alive. “This liquid is plant acceptable and can be utilised by the pasture as it is applied compared with anaerobic e luent (pond stored), which can take several weeks to become aerobic and plant acceptable. This process time can cause excessive nutrient losses and metabolic issues in the pasture.” The Clean Green E luent Company system is a robust user-friendly process that guarantees full utilisation of all the farm’s nutrients while reducing workload and high running costs. The Clean Green E luent Company can design and install a fully automated, turnkey system along with providing an independent assessor to complete the consent application. “The Clean Green E luent Company system’s versatility can be adapted to any situation - dairy cattle, sheep, goats - providing a system that will remain compliant into the future.”
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