Digester’s flexible options provide long-life tank solutions29 April 2016

The AMP6 TOTEX universal digester The AMP6 TOTEX universal digester

With the advent of the new AMP6 TOTEX cost requirements taking precedence in assessing new tank and Anaerobic Digester installations for the Water Utility market, long service life and low maintenance are key factors in making purchasing decisions. Lipp’s proven international experience in developing tanks for long service life are just right for the new UK Water Utility market requirements.

Lipp offer a range of different Digester models and specifications; the Universal Digester is an additional development for large industrial and municipal plants. Maximum life is the central focus for this container, with a stainless steel tank, using Lipp’s VERINOX™ composite stainless steel material, combined with a welded stainless steel diaphragm roof ensuring the highest quality for the inner part of the container. As a post-digester, the Universal Digester is also an ideal solution for farming applications.

The Universal Digester, just like Lipp’s fully integrated KomBio Digester, enjoys the advantages of external heating, which, thanks to the good thermal conductivity of the steel wall, and the clear interior surface ensures uniform heating over the entire filled height of the tank. Good insulation of the container wall and roof construction minimises heat losses from the fermentation process. Flexible options in agitation and pumping technology are selected specifically for the required application, which permits using a wide range of substrate combinations with the Digester.

When combined with an external gas accumulator, the Universal Digester offers an excellent, long-lasting tank solution with a digester chamber volume of up to 5,000 m3. Built using Lipp’s automated double seam system, the flexible construction method and individual adaptability have been proven over hundreds of projects worldwide. Additional advantages of the double seam build system include rapid on-site construction, even in confined areas, and a fully variable selection of height and diameters, which make the Universal Digester the ideal, individually tailored AD container solution, for the current market requirement for long lasting industrial and Water Utility Anaerobic Digestion applications.

Martin Grant, Lipp’s UK Sales and Marketing manager states that, “Part of the new challenge for the UK market under the AMP6 TOTEX criteria is ensuring that longevity will be achieved. This requires working with suppliers that have a long track record and have successful client product examples that demonstrate that longevity in the field. Lipp’s numerous International tank installations over several decades clearly show that capability”.

Mark Venables

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Lipp Tanks Ltd

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