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Bettencourt Dairy in Wendell, Idaho houses over 13,000 Jersey dairy cows with a crossvent scrapped barn. At this dairy, the milking cows produce an average of 18 gallons of manure, per cow, per day, plus some added parlor water.
Previously, the farm used only conventional slope screens for their primary separation which removed the coarse material. The farm had to dredge their 200 acre-foot waste lagoon once a year.
Bettencourt Dairy needed to process and meet their nutrient management plan when they added cross vents and vacuum trucks to move the manure from the barns. In 2018, they decided to add a Centrisys CS26-4DT dewatering centrifuge to remove the fines from the manure.
“We saw the Centrisys centrifuge as the only piece of equipment that was going to be able to get the solids out of our water,” Don Brand, Bettencourt Dairy Operations Manager of Equipment and Buildings. “The centrifuge seemed like the only piece of equipment that would be able to grow and expand with the operation.”
Without added chemicals, the CS26-4DT centrifuge removes most of the solids, typically leaving less than 1% total suspended solids in the effluent manure that previously went into the lagoons. In other words, instead of dredging a few feet of solids from the lagoon, the Centrisys centrifuge reduces the solids down to only few inches. Now, the farm only has to dredge their waste lagoon once every 2 to 3 years instead of every year. The residual manure solids is 25% total solids and is resold as compost fertilizer.
“The Centrisys centrifuge was the first piece of equipment that we bought for manure processing that worked from the beginning the exact way it was promised,” Brand said.
Centrisys/CNP supports global sustainability through its resource intensification portfolio with water and wastewater equipment and processes. Our systems are simple. They are designed to use less energy, less chemicals and less space. Centrisys is a U.S.A. manufacturer of dewatering centrifuges, sludge thickeners and also provides global service, repair and parts for all centrifuge brands. CNP, a division of Centrisys, designs and supplies nutrient recovery and biosolids treatment optimization systems.
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Centrisys/CNP has signed an exclusive U.S. distributor agreement with LIPP America Tank Systems, LLC for water, sludge and digester tanks. LIPP has a patented stainless steel digester system that allows digesters to be built on-site in less than two months. The short construction period and patented digester building system allow Centrisys/CNP to offer its clients cost-effective, high-quality digesters with a long life cycle. The LIPP product line compliments Centrisys/CNPs product portfolio by offering its customers solutions for resource intensification and resource recovery.
“Like Centrisys/CNP, LIPP is a highly innovative, privately-owned company. This partnership allows us to customize digesters and storage tanks with short delivery times and attractive costs,” said Gerhard Forstner, CNP President. “The distributor agreement enables Centrisys/CNP to retrofit even small wastewater treatment plants and convert them to resource recovery centers by recovering water, energy and nutrients.”
Centrisys/CNP promotes and sells LIPP tanks through its independent manufacturer representative network. With the addition of these tanks, Centrisys/CNP and its representatives offer an entire product portfolio for sludge and biosolids treatment. Centrisys/CNP offers innovative sludge thickening with its THK series, dewatering with its proven CS Series, thermo-chemical hydrolysis process, phosphorus recovery and biosolids drying, in addition to LIPP tanks.
“We at LIPP America Tank Systems are honored and extremely excited to be a new partner with the Centrisys/CNP team,” said Al Lettinga, President/C.E.O. “We are confident that working together, we can make tremendous penetration within the municipal bioenergy and waste treatment market with our special LIPP double-fold tank technology. At LIPP America, as in the world markets, we stand out as a high quality and very unique tank technology. The LIPP double-fold and dual stainless plating system are a one-of-its-kind in the entire world market. Therefore, we are set apart against any liquid storage system in the market today.’
LIPP recently built a municipal anaerobic digester in Ohio and three more are currently being built in Michigan.
Centrisys/CNP supports global sustainability through its resource intensification portfolio with water and wastewater equipment and processes. Our systems are designed for simple operation using less energy, less space and fewer chemicals. Centrisys Corporation is a U.S.A. manufacturer of dewatering centrifuges, sludge thickeners and complete dewatering systems for municipal and industrial water and wastewater. Centrisys’ service department is a leader in global service, repair and parts for all centrifuge brands. CNP – Technology Water and Biosolids Corporation designs and supplies nutrient recovery and biosolids treatment optimization systems. CNPs key technologies are AirPrex® and CalPrex™, phosphorus recovery technologies that produce struvite and brushite fertilizers, and PONDUS, a Thermo-Chemical Hydrolysis Process (TCHP) which increases biogas production and digester capacity and reduces sludge volume and polymer consumption. CNP is a U.S. distributor for digester and storage tanks and hydrograv® adapt Variable Inlet System.
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