PRAB > FAQs

What is Zero Liquid Discharge (ZLD), and why...

Zero Liquid Discharge (ZLD) systems prevent any liquid waste from leaving a facility. This treatment approach recovers and reuses water from process fluids, coolants, and wastewater streams—helping manufacturers meet strict environmental regulations, reduce operating costs, and achieve sustainability goals while avoiding costly discharge violations. PRAB provides complete ZLD solutions, including vacuum evaporators, ultrafiltration, and reverse osmosis systems. These technologies recover […]

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What role does coolant recycling play in sustainability...

Coolant recycling reduces hazardous waste, supports ISO 14001, and cuts chemical and water use. Coolant recycling supports environmental objectives while boosting operational efficiency. PRAB systems help meet strict compliance goals by minimizing waste discharge, eliminating tramp oil, and enabling fluid reuse, saving both money and natural resources. ZLD and Environmental Compliance Guide Coolant Reclaim System Overview   Key Benefits: Achieve […]

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Why invest in a centralized coolant filtration system...

Centralized systems reduce coolant costs, extend tool life, and simplify shop-wide fluid maintenance. A centralized coolant filtration system like PRAB’s Guardian™ series filters, conditions, and recycles coolant from a central location, eliminating redundant equipment and fluid waste. It ensures consistent fluid performance, reduces overall usage, and automates much of the fluid maintenance routine.   White Paper: Centralized Coolant Recycling System […]

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What are the most effective fluid filtration methods...

The most effective coolant filtration methods include magnetic separation, paper bed filtration, and membrane-based systems. Each approach targets different types of contaminants to extend coolant life, improve surface finish, and reduce tool wear. Magnetic separators capture ferrous solids and fines. Paper bed filters are effective for removing larger chips and non-ferrous solids. Membrane systems (such as ultrafiltration) remove fine particulates […]

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How do tramp oil separators improve coolant effectiveness...

Removing tramp oil extends coolant life by 2–5x, reduces tool wear, odors, and prevents bacterial growth. Tramp oils are unwanted machine lubricants that leak into coolant sumps, causing fluid degradation and contamination. PRAB tramp oil separators—such as coalescing units and belt skimmers—efficiently remove free-floating and emulsified oils. This helps maintain fluid integrity and reduces the frequency of coolant replacement. White […]

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What are the most effective fluid filtration methods...

Membrane, paper bed, and magnetic filtration improve coolant quality, extend tool life, and reduce waste. Coolant filtration removes solids, tramp oils, and bacteria, thereby protecting machine tools and extending the life of the coolant. PRAB offers a range of fluid filtration methods, including paper bed filters, membrane systems, magnetic separators, and hydrocyclones, each engineered for different contaminant loads and flow […]

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Does PRAB offer case studies or success stories?

Yes. You can explore dozens of detailed customer case studies that demonstrate real-world ROI, cost reduction, compliance, and productivity gains. Examples: CA Tool increases profitability with chip processing Ford cuts tramp oil with TWS separator Mathews Inc. recovers fluid and scrap value Martin-Baker turns scrap into revenue View many more at: Case Studies | PRAB

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What is the PRAB Performantee?

The Performantee® is PRAB’s written guarantee that your system will meet the performance benchmarks we define together—before you buy. From chip dryness and fluid recovery to scrap throughput and discharge clarity, we put the expected ROI in writing. Learn about the Performantee

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What kind of post-sale technical support does PRAB...

We offer 24/7 technical support, rush parts shipping, remote troubleshooting, on-site service, and full system documentation. Our Michigan-based service team provides 24/7 responsive assistance and comprehensive lifecycle resources for every system. Request support ➜

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Is PRAB a global or domestic supplier?

PRAB is a U.S.-based manufacturer with a global footprint. We ship systems throughout the United States, Canada, the EU, and select international markets. Our international service is supported by PRAB EU (Opole, Poland), regional representatives, and strategic partnerships. Find a rep ➜

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