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AMALGAM-60 is a proprietary, concentrated aqueous suspension of magnesium hydroxide (hydrated lime of magnesia) produced from calcined, high purity, natural magnesite. This product is manufactured in Washington state using a proprietary blend of dispersants that result in optimum storage stability and reactivity.
Product Application
- AMALGAM-60 provides a highly reactive source of magnesium hydroxide (Mg(OH)2) for use in chemical processing, water treatment, and wastewater treatment applications.
- AMALGAM-60 offers a safe, non-hazardous means of effective acid neutralization, coagulation, H2S and heavy metals removal in wastewater and process streams.
Chemical Composition
Packaging and Handling
- Product should be protected from freezing.
- Agitated storage is required.
- Select a feed pump that is capable of reliable delivery of a slurried material.
- If the product is to be fed intermittently, periodically provide flushing water in order to minimize the risk of slurry deposition within the pump head or feed lines.
- AMALGAM-60 is manufactured in the Pacific Northwest and the Midwest, and is available in packaging from totes to full truckload deliveries.
Key benefits
Magnesium Hydroxide (Mg(OH)2) is a safe, environmentally-friendly, and cost-effective alternative to the use of Sodium Hydroxide (Caustic Soda, NaOH) for wastewater pH and alkalinity control.
Cost
Every 1.0 lb of 50% NaOH can be replaced with 0.60 lbs of 60% Mg(OH)2 to provide the same number of moles of hydroxide (OH–). This 40% reduction in daily usage rate translates into a dramatic cost savings – for something that is “green” and safe!
Green
Magnesium is the core element of chlorophyll (what makes plants green), while salinity from Sodium is detrimental, especially for land reuse applications.
Freezing
50% NaOH freezes at 60ºF, so in winter 25%
NaOH is commonly used. 60% Mg(OH)2 freezes
at 32ºF, just like water, greatly minimizing freeze
concerns.
Solids Settling
Mg(OH)2 can provide improved solids settling and sludge compaction benefits that NaOH does not. When Mg(OH)2 dissolves, the Mg2+ cation can coagulate suspended solids to improve both microorganism activity and solids removal efficiency – often reducing polymer usage.
Safety
Though Mg(OH)2 is much stronger for supplying OH– buffering, it is dramatically safer for operators to handle and for treating wastewater microorganisms. Mg(OH)2 dissolves only when it encounters acidity, unlike NaOH which immediately releases OH– to burn operator’s skin and eyes. This is why the pH can rapidly spike to > 12 if Caustic is overfed, while the overfeed of Mg(OH)2 will safely buffer the pH up to 8 or 9. This “controlled release” trait of Mg(OH)2 is a primary driver for its acceptance as an ideal buffering agent for nitrification and anaerobic digestion processes.
Trial Equipment
IER supplies agitated storage tanks (from 175 to 1600 gallons) to allow real-time measurement of cost savings while confirming performance, safety, and feed reliability – allowing a clear understanding about how Mg(OH)2 will improve your overall system before deciding to make a permanent transition. IER supplies AMALGAM-60 in full tanker or small volume quantities using dedicated, in-house delivery specialists and equipment.
Magnesium Hydroxide – the best alternative to caustic soda (sodium hydroxide) and lime
Safe, cost-effective and better for the Earth
COMPARE AMALGAM WITH CAUSTIC SODA
Solutions
Over the years, we have helped many customers, from a range of industries, with their wastewater challenges. The strength and success of our organisation is due to quality of our products and the commitment of our team
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We take pride in providing high-quality products, technical credibility in the applications of water, process water, and wastewater treatment, dedicated delivery specialists and equipment, and proactive on-site technical service.
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