Biogas plant pumps are what drives the Anaerobic Digestion Process in all biogas plants. They are literally the heart of the process. If a biogas plant pump stops working and there is no standby pump, the process will no longer be fed and a biogas production slowdown will start. Soon, if pumping is not resumed, the plant will shut-down and vital revenue from the products the plant produces, especially the biogas production, will be lost.
AD Plant down-time is extremely expensive, and also highly damaging to the service that the biogas business is contracted to provide for its customers. It hardly needs to be stressed here, how important it is that the pumping equipment is of the highest order of reliability, and many would advise that only a specialist pump supplier to the AD industry, with a strong reputation for reliability, can provide the AD plant operator with that level of service.
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Biogas Plant Pumps Used by Verder in Anaerobic Digestion Biogas Production at a Brewery in Norfolk UK
Anaerobic digestion provides renewable energy. This is achieved when organic matter is transformed to biogas, in the absence of air. Verderflex HUS Screw-channel pumps have proven to be excellent pumps for anaerobic digestion. Read here about two examples: “Recovery of waste food” and “production of biogas”.
Case Study: RECOVERY OF WASTE FOOD AND THE PRODUCTION OF BIOGAS
A prestigious brewery based in Norfolk, who produce fine quality real ales have installed an anaerobic digestion (AD) facility. It is used for producing biogas to be inputted into the national gas grid. The anaerobic digestion facility is fed with kerbside-collected food waste, food processing waste, supermarket food waste and brewery waste.
The organic matter is entered into a feed inlet at the start of the process where a rotor chopper breaks down the raw material. Verderflex pumps move the chopped slurry from holding tanks and through a heat exchanger to raise the temperature prior to entering the main AD facility.
As the hot organic material enters the main AD facility it is dosed reliably and accurately by a Verderflex Dura pump with an inorganic pH buffer to accelerate and maximize the breakdown of the material.
The large mass of organic material is ‘churned’ by Verderflex pumps in a plant room connected through a series of pipes to maximize the surface area and further accelerate the AD process and obtain the greatest yield of heat and biogas. The heat is recycled back into the heat exchanger.
Upon completion of the AD process, the digestate and waste water is pumped from the tank by a Verderflex pump for further use as fertilizer. The final product of biogas is then filtered and processed further ready to be inputted into the national gas grid.
Other applications of Verderflex biogas plant pump systems in Anaerobic Digestion are
- Rotor-chopped cold organic material
- Warm organic material
- Warm slurry
- Waste water liquor
- Enzyme dosing and other chemical dosing solutions.
Other Biogas Pumping Solutions Offered by Verder UK
VERDERHUS SCREW CHANNEL PUMPS
Because of their construction HUS screw channel pumps are excellent pumps for use as Biogas Plant Pumps, pumping waste with large solids such as bones. The percentage of solid matter can sometimes increase up to 10-13 %.
Executions available in standard with shaft sealing or cantilever version. Close coupled on base plate or in vertical position. Long coupled in standard or with V-belt drive. Max. flow : up to 1030 m3/h
VERDERPRO PROGRESSING CAVITY PUMPS