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Komline-Sanderson Biosolids/Sludge Dryer

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Biosolids/Sludge Dryer
Generate dry stable products, reduce disposal costs, and convert waste into marketable by-products.
In municipal wastewater treatment plants (MWWTP) the K-S Paddle Sludge Dryer System produces Class A Biosolids in accordance with the EPA’s 503 regulations, allowing the dried granular material to be used beneficially as a slow-release fertilizer or soil amendment. Dried waste products have also been used as fuel in boilers and cement kilns.

Dual counter-rotating shafts with unique intermeshing wedge-shaped paddles produce uniform heating and high heat transfer rates. The use of hollow paddles for heat transfer results in a compact machine. Indirectly heated with steam or circulated thermal fluid (hot oil), the K-S Paddle Sludge Dryer has a thermal efficiency of approximately 98%. Non-condensable gas from the dryer that might require treatment for odors is minimal.


  • Secondary sludges (biological sludges, waste activated sludge – WAS)
  • Primary and secondary sludge blends
  • Extended aeration sludges
  • Anaerobically and aerobically digested sludges, food waste and manure
  • Paper mill and recycle mill sludges
  • Metal hydroxide and metal sulfide sludges
  • Drilling waste (drilling mud and cuttings)
  • Refinery waste (K waste) and other oily sludges
  • Food processing residuals (Beef, pork, poultry, gelatin plants)


Since its incorporation in 1946, Komline-Sanderson Corporation has provided the highest quality equipment for applications including process/production filtration, drying, wastewater treatment, sludge processing, and air pollution control. The company and its subsidiaries supply equipment to a diverse group of customers around the world including municipal wastewater and electric power utilities, and a broad range of industrial clients.

Komline-Sanderson combines innovative engineering and cutting-edge manufacturing with its decades of experience to produce the highest quality equipment. This includes ensuring that each solution is engineered to specifically meet a client’s needs, from a single machine to a whole system.

Komline-Sanderson’s manufacturing capabilities allow it to ensure that every product meets its quality standards. By ensuring that the engineering and production teams can work closely together, the product which

Komline-Sanderson maintains its own integrated manufacturing facilities in Peapack, New Jersey, USA, with over 85,000 square feet (7,900 square meters) of shop area housing a wide array of machinery and automated equipment for metal preparation, forming, machining, fabrication (ASME and PED code certified for welding pressure vessels), finishing, and mechanical assembly. The facility also houses an electrical shop for the manufacture and assembly of instrumentation panels and motor control centers. The company’s Filter Fabrics operation is located in Sparta, NJ. In addition to its own manufacturing facilities, Komline-Sanderson utilizes company-certified fabricators for the manufacture of K-S components and equipment worldwide.

Komline-Sanderson’s Technical Center is also located in Peapack, New Jersey. The 8,400 square foot (780 square meters) facility is equipped to run both bench and pilot scale liquid/solids separation and thermal processing tests to demonstrate the performance of K-S products and develop process design criteria for scaling up to commercial plants. The Technical Center is also used to support the Company’s research and development programs. In addition to on-site testing, Komline-Sanderson maintains rental equipment which is available for testing and small production runs at the customer’s facility.