Industry News

BioCycle March 2012, Vol. 53, No. 3, p. 63

New Distributor

Doppstadt US, LLC, announces the appointment of Kirby-Smith Machinery, Inc., as its authorized distributor in Oklahoma, North and West Texas. Kirby-Smith Machinery, Inc. was established in Oklahoma City in 1983 and is recognized as one of the premier new and used heavy construction equipment and crane dealers in the country. The Doppstadt range of equipment includes portable shredders, grinders, trommels, star screens and whole tree chippers, with many models additionally offered in stationary electric format.

Residential Organics Container

Ucan, a sustainable products company, introduced the Untrash Can for residential food recycling. The cans are available to municipal waste agencies and waste haulers through distributors, to consumers direct from the company and through partner websites and at select retailers. Ucan is the first company to address composting compliance through design, says Anne Morrissey, cofounder of Ucan, who with her partner recruited leading industrial designers and asked them to reimagine the more traditional kitchen compost bins. “Our research found that to foster household participation in source separation programs, the kitchen compost bin needs to sit out on the countertop, which is why we designed it to look like a high-end kitchen appliance,” Morrissey explains.

High Performance Centrifuges

The centrifuge is a rotating assembly that uses centrifugal force to separate solids from liquids. Centrisys High Performance Dewatering Centrifuges are suitable for multiple municipal and industrial separation applications, including anaerobic digester installations. The system’s range — from 5 gallons/minute (gpm) up to 700 gpm — covers flow requirements for most users and can be supplied in a complete dewatering system with all components required for the process integrated into a single package. Features include high solids capabilities, a centrifugally cast duplex stainless steel design, advanced tungsten carbide wear surfaces, low installed horsepower, touch screen interfaces, variable speed bowl and scroll drives and an automatic cleaning cycle.

Smartphone App Helps Conserve Water

Sprinkler Times is an online program and tablet and smart phone app that allows users to dial in a customized watering schedule for their sprinkler system, thereby conserving water and saving money. Initial purchase includes one timer capable of programming up to 32 zones. Users begin by entering a ZIP code that Sprinkler Times uses to calculate the average weather data for the precise location based on 20 years of historic weather data. Next, the plant, sprinkler and soil types, along with sun exposure, are selected for each zone in the yard or landscape. Identical zones may be copied to save time. Users also have the option of inserting a photo next to each zone name for quick identification. The program gets smarter over time, with the operator able to make adjustments to each zone by increments of 10 percent based on results. Search the AppStore or Android market for Sprinkler Times or go to the company’s website to download the software.

Disc Filter Removes Phosphorus

WesTech Engineering, Inc. of Salt Lake City, Utah, has successfully utilized its SuperDisc Disc Filter in a pilot study to remove phosphorus from effluent water discharged into the Nashua River from the Clinton Wastewater Treatment Plant (WWTP) in Massachusetts. With an average flow of 3 million gallons/day, the WWTP removes phosphorus through a conventional activated sludge system followed by chemical coagulation. Use of the filter allows the plant to discharge water containing less than 0.1 mg/L of total phosphorus (TP) in accordance with state regulations from November to March and exceeding them from April through October, when a discharge rate of 0.15 mg/L of TP is permissible.

Continuous Batch Composter

Lifetime Products’ Dual Compost Tumbler can be operated in continuous batch mode. The unit features two 50-gallon tumblers on a single steel frame, allowing one filled tumbler to mature while the other continues to be loaded with fresh compostables. Both tumblers — constructed of black, double-wall high-density polyethylene (HDPE) panels designed to absorb and retain heat — turn on an axis for balanced rotation using built-in handles and can be filled and turned with a single-hand operation. Each barrel features an internal aerated bar, which mixes the compost and allows air to flow through the material to help quicken the batching process time.

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