A sand reclamation unit is selected by binder chemistry first, throughput second, and downstream sand specification third; get any of the three wrong and the reclaimer becomes a sand-handling bottleneck [S6]. Foundries in 2026 commonly run pneumatic, mechanical-attrition, or thermal units in the 1 to 60 TPH band, with Omega Sinto offering primary, secondary, and thermal plants up to 30 TPH and Palmer's CAR-Series covering 1 to 5 TPH for low-volume no-bake users [S2][S5].
The first decision is whether the unit must remove organic resin (furan, phenolic urethane, epoxy) or only inorganic binder/clay residue. Thermal reclamation burns off the resin shell; mechanical and pneumatic units only scrub it. That single fact drives equipment class, energy cost, and footprint [S1][S6].
Match Reclamation Mechanism to Binder Chemistry
Pneumatic scrubbers such as the Simpson Pro-Claim propel sand up a blast tube to impact a conical target, removing binder layers without heat; they target chemically bonded and green-sand systems and need no screening or cooling downstream [S1]. Mechanical attrition mills such as the Palmer CAR-Series break no-bake lumps into grain-sized sand using a dual-screen agglomeration-reduction chamber and a 3-phase bottom-mounted vibrator motor, then discharge through a fluidized-bed classifier for a 1/4 in. steel plenum design with a regenerative blower [S5].
Thermal reclamation is reserved for foundries that must burn organic resin residue to recover high-purity silica or chromite; it is the most energy-intensive option and is only economic where landfill cost or virgin-sand price justifies the fuel bill [S3][S4]. Foundries running chemically bonded systems at scale will frequently stage a mechanical primary unit followed by a thermal polisher when final-sand AFS or LOI targets demand it [S2].
Throughput Sizing: 1 to 60 TPH Bands and Selection Logic
Capacity bands map to plant size: Palmer's CAR-1, CAR-3, and CAR-5 cover 1, 3, and 5 TPH for low-volume no-bake users, while Simpson's Pro-Claim is built for continuous high-volume chemically bonded and green-sand duty [S1][S5]. Omega Sinto's primary, secondary, and thermal plants span 1 to 60 TPH depending on the line, with the Omega GV shakeout/attrition combination shipping in 1 TPH and 3 TPH models and the low-level attrition range offered in four model sizes [S2].
Smaller foundries under 5 TPH of spent sand should default to skid-mounted attrition packages that require no pit or foundation; mid-size plants in the 5 to 15 TPH window can pick from shakeout/attrition combos or low-level Gamma Vator units with optional fluidised fines discharge [S2][S5]. Above 15 to 30 TPH the conversation shifts to pneumatic continuous scrubbers or multi-stage thermal lines, both of which need dust collection tie-ins and a heat-recovery plan on the thermal side [S1][S2].
Sand Quality Targets: AFS, LOI, and Reclaim Ratios
Reclamation removes binders, additives, and fines to restore sand quality for reuse in molds and cores, and the operating target is typically 70% to 95% reclaimed sand in the system, with new-sand makeup making up the balance [S1][S6]. One foundry moved from a 40% reclaimed / 60% new sand mix to 95% reclaimed / 5% new sand after commissioning a Pro-Claim, cutting new-sand purchases and disposal tonnage simultaneously [S1].
Sand recirculation counts matter as much as percentage: in a well-tuned pneumatic cell every grain passes through the process 30 or more times before discharge, which is what allows AFS and LOI to stabilise [S1]. For mechanical attrition, screen selection inside the mill gates grain size: the top chamber screen admits only loose sand and small lumps, while the bottom discharge screen passes only grain-size sand and some compound grains; both are replaceable wear items [S5].
Who Should NOT Pick the Cheapest Mechanical Unit
A 1 to 5 TPH attrition mill is the wrong pick for any line running steel-intensive phenolic urethane no-bake at more than a few tons per hour, because the binder shell is too firmly fused for pure mechanical scrubbing to hit the LOI target without thermal polishing [S5][S6]. A pneumatic scrubber is the wrong pick for high-tonnage green-sand systems with heavy bentonite loading, where integrated shakeout/cooling and dead-bed attrition technology deliver more stable moisture control [S2].
Thermal reclamation is the wrong pick for any foundry whose landfill cost is below the fuel and gas-handling delta, or whose sand chemistry would be damaged by the calcination temperature window. The decision rule is simple: match mechanism to binder, then match capacity to the worst-case spent-sand generation rate, not the average [S3][S4].
Vendor Process Stack and Integration Points
Simpson's Pro-Claim is a continuous pneumatic scrubber that discharges over a final screening operation and returns clean sand to the system, with no operator required and minimal maintenance footprint [S1]. Palmer's CAR-Series ships as a complete skid: attrition mill, fluid-bed classifier, IEC-based non-sensored motor starter controls, with options for dust collector and load chute [S5].
Omega Sinto's reclaimers range from standalone shakeout decks and pneumatic sand conveyors to cooler classifiers and chromite separation units, with their 0.25 to 12 TPH plants using patented dead-bed technology and heat recovery to drive maintenance down [S2]. Buyers building a new line should map the reclaimer to upstream shakeout and downstream sand cooler and degassing unit interfaces early, since the conveyor elevation dictates whether a low-level or high-level reclaimer model fits without foundation work [S2].
Operating Costs, Footprint, and Side Streams
Pneumatic scrubbing is the lowest-energy reclamation path; thermal reclamation carries the highest fuel and emissions-control burden but eliminates binder residue that mechanical units leave behind [S1][S3]. Mechanical attrition sits between the two on energy, but adds a fluidizing air stream and a dust-collection tie-in: the CAR-Series classifier, for example, ships with a 4 in. diameter exhaust flange for an existing dust collector [S5].
Footprint matters when plants retrofit. Pneumatic cells are compact and continuous; attrition mills are skid-mounted with no pit required; thermal units need a calcination vessel, afterburner, and ash-handling area, which is why they typically live as a separate building rather than inline [S1][S2][S5]. Fines and tramp metal must also be handled: attrition mills allow tramp metal and gaggers to be removed from the top-loading chamber without cross bars or grates in the way, which protects the screens and reduces unplanned downtime [S5].
Test the Sand Before Specifying the Unit
Simpson offers a foundry-side material test, where they will test the customer's foundry sand or ceramic and select the optimum reclaimer for the particular system requirements, rather than fitting a standard catalogue model [S1]. That is the most reliable procurement path: a binder assay plus an AFS/LOI baseline plus a tonnage profile picks the unit class; the vendor's lab test then sets the rotor, screen, and cell count inside that class.
Trackable signals for the next 12 months include new thermal-reclamation installations in steel no-bake foundries, expanded pneumatic-cell capacity in iron green-sand plants, and broader uptake of integrated shakeout/attrition combos from builders like Omega Sinto. For an adjacent procurement view, see the Shot Blasting Machine Suppliers and Manufacturers: 2026 Spec Map, which covers surface-finishing equipment that shares the same dust-collection and material-handling integration points as a reclaimer line.
Spec-level background on the components involved: sand reclamation unit.