Chopper Pumps Articles

  • Peach Processing Wastewater Treatment

    A major fresh pack operation of peaches and nectarines needed a screening system to remove the labels and peach fuzz from their wash water before it was pumped from the pond for irrigation use. Flow to the pond is a steady flow of 50 gpm, rising to 600 gpm during periodic draining of the peach coolers and washing systems. The water is a combination of wash water, labels and fuzz from the fruit, ...


    By Integrated Engineers Inc.

  • Landia’s pumps give immediate Biogas boost

    Landia's Long Shaft Chopper Pumps have given a massive, immediate increase in biogas production for Bioplex: makers of the revolutionary new Portagester pre-composter and anaerobic fermenter for the treatment of food, trade, garden and local authority wastes. Read more: ...


    By Landia

  • Chopper Pumps: Chopping and pumping of paper rejects at paper mill

    Do we need a pulper to handle paper rejects? No not necessarily! In many cases the rejects can be repulped by means of a Landia chopper pump. At present we have 11 Landia Stainless Steel Chopper Pumps, model MPTKR-I 105 15.0 kW in operation at a Danish paper factory. All pumps are equipped with the unique Landia knife system. Rejects from the paper machine are efficiently comminuted by the pump’s ...


    By Landia

  • Chopper Pumps: Saeby fish processing plant, sludge tank mixing and pumping

    The sludge is coming from the dewatering unit, includes polymers, and has a dry matter content of 15 %. A Landia dry installed pump type MPTKR-I 18,5 kW pump was installed. The pump mixes the tank contents through a recirculation system and pumps the sludge to a tanker truck. The pump was built with a special feeder propeller to make sure it could handle the high dry matter content. The ...


    By Landia

  • Chopper Pumps: Danish Crown, Sæby, Denmark - Pig Slaughterhouse

    Waste water from the production line, containing blood, small pieces of bones, fat and meat, hairs and intestines. Landia had to ensure proper mixing of the total volume and pumping to a RotoSieve rotating screen. In the tank, a submersible pump with recirculating nozzle, type DG-I 5,5 kW with one fixed knife and a submersible mixer type POP-I 4, 0 kW – 300 rpm. were installed. The system has ...


    By Landia

  • Chopper Pumps: Chopping and pumping of vegetable wash water

    Especially when carrots were processed, the waste water containing pealings, sand and pieces of carrots presented a major problem to this customer. Landia delivered a MPTK-I 7,5 kW pump with customised chopping system in hardened steel which solved the ...


    By Landia

  • Chopper Pumps: Pumping of septic sludge

    Landia chopper pumps have a great record of application in septic sludge. Septic sludge is raw unscreened sewage often delivered by tanker trucks from remote sites such as summer houses, camping sites, harbours, etc. Septic sludge contains many different solids tending to clog up pumps, everything people possibly can flush down a toilet! At this particular plant, a DG-I 4,0 kW –1500 kW was ...


    By Landia

  • Chopper Pumps: Pumping of waste oil from mechanic workshops

    Treatment of waste oil is done at several Danish Waste Water Treatment Plants. The oil is delivered in drums, which are emtied into a reception pit. Traditional pumps often clogged due to rags, lumps of twist or even small pieces of metal contained in the oil. Landia chopper pumps solved the ...


    By Landia

  • Chopper Pumps: Digester Mixing at Esbjerg WWTP, Denmark

    Experience with Landia Chop-per pump type MPTK-I obtained at the Esbjerg Eastern Treatment Plant Till now two centrifugal pumps of a different brand have been operating at the plant, in order to re-circulate the sludge in the two digesters. This has been well-functioning. After a period of much rainfall, part of the inlet wastewater was led past the grid system. The result was problems ...


    By Landia

  • Chopper Pumps: Treatment of bakery by-products

    Treatment of co-products is becoming a very important issue. Co-products often can be transformed into valuable components to be added to animal food, e.g. for pets or pigs. Here is an example of a industrial bakery, delivering their surplus and waste cakes and cookies to a pig farm. The co-products are transported to the farm by truck, tipped into a large reception pit, where water is added. ...


    By Landia

  • Chopper Pumps: Pumping and mixing of fat from poultry processing plant

    Fats were seprated from the effluent at a poultry processing plant and stored in a reception pit. From there, they had to be pumped to a tanker truck and transported to a biogas plant every time the pit was full. The pit was 3 m deep with a diameter of 3 meters, total volume 22 m³. The fats formed a thick top layer and needed to be mixed efficiently before they could be pumped into the tanker. A ...


    By Landia

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