Manage Biosolids Effectively With Modern Roll-Off Containers

Manage Biosolids Effectively With Modern Roll-Off Containers

The ADS 30-yard open-top roll-off dewatering unit from AQUA-Zyme Disposal Systems.

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From environmental and public health perspectives, effective management of biosolids is crucial. Roll-off containers play a critical role in this regard, particularly in the context of sludge dewatering. These containers aid in the separation of liquids and solids, reducing the weight of waste and simplifying its disposal. The technologies and designs have continually evolved to enhance efficiency, from increasing the filter area for drier cakes to incorporating a removable perforated steel basket that filters materials effectively. Check out a few user-friendly and versatile roll-off containers below.

AQUA-Zyme Disposal Systems ADS
The ADS 30-yard open-top roll-off dewatering unit from AQUA-Zyme Disposal Systems can be filled with 22,000 to 25,000 gallons of biosolids at 1% to 2% solids in about two hours. After draining for 24 hours, the unit can be picked up using a standard-capacity roll-off truck and transported for solids disposal. Sludge volume can be reduced by 80% with reductions to 98% in BOD, COD, FOG and TSS. Effluent is clear, the unit has few moving parts, and the size of filter media can be selected according to job requirements. Standard equipment includes a roll-over tarp system; side, floor and center screens; 1/4-inch floor plate; 7-gauge side plates; four door-binder ratchets; eight drain ports; two inlet ports; and a long-handle scraper. Units are also available in a 15-yard size. 979-245-5656; www.aqua-zyme.com


Bucks Fabricating Dewatering-Style Roll-Off Containers
Dewatering-style roll-off containers from Bucks Fabricating feature a removable perforated steel basket that filters the materials within, separating the liquids to the bottom while the sludge materials remain on top. From there, the fittings, or apertures, commonly located on the bottom of the sealed tailgate allow the hauler to drain the liquid from the container. This process decreases the container payload. Available in cable, hooklift, combo or permanent-mount hookups, dewatering containers are manufactured in standard and custom sizes. 800-233-0867; www.bucksfab.com


Park Process Sludge King II
The Sludge King II roll-off dewatering container from Park Process incorporates an engineered design that eliminates trapped water in the bottom of the filter cake. The second center wall filter increases filter area by 33% producing drier cakes in less time. The plastic floor panels that cover the floor space between wall filters and center wall filters serve three purposes. They hold down the bottom of the filter elements, help eliminate standing water and aid in filter cake dumping. The inlet manifold is split into three inlets, each with a ball valve, allowing incoming flow to be distributed evenly into the three compartments formed by the two center-wall filters. 855-511-7275; www.parkprocess.com


Pik Rite self-contained roll-off vacuum tank unit
Pik Rite self-contained roll-off vacuum units are fully operational at the pumping site without a chassis. The heavy-duty front platform holds a choice of pump and a Kohler 25 hp electric-start engine. The tank is set up with a level indicator, rear sight eyes, 36-inch top manway, 20-inch rear manway, 3-inch intake with an internal 3-inch standpipe and a 4-inch discharge. The low-profile, 12-inch primary shut-off is paired with a 10-gallon secondary shut-off. Spray-on protective liner protects hoses and promotes durability. Work lights and a safety beacon are mounted on the rear tank head, and a ladder is mounted on the side. Polished aluminum hose trays and custom paint finish are standard. Other customizable options are available. 800-326-9763; www.pikrite.com


Pinnacle roll tarp sludge container Roll tarp sludge containers from Pinnacle come standard in 20-, 25-, 30- and 40-cubic-yard capacities. The radius-bottom containers have 1/4-inch floors and 3/16-inch sidewalls. All containers are water-tested to the top of the container for 30 to 45 minutes and come standard with a side-roll tarp. Custom sizes, dewatering baskets and other modifications are available. All are blasted prior to painting and the shell is powder coated. 256-840-8031; www.pinnaclemfg.net



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