AMALGAM Mg(OH)2: alternative to caustic soda for wastewater treatment - with Birch Bay Water & Sewer
Автор: Calix Limited
Загружено: 2021-05-12
Просмотров: 2189
Описание:
AMALGAM [Magnesium Hydroxide Mg(OH)2] is a safe and cost-effective alternative to the use of Sodium Hydroxide [Caustic Soda, NaOH] for wastewater alkalinity and pH adjustment.
• Feel you are paying too much for your alkali?
• Looking at a safer alternative to caustic soda for pH control in your nitrification process?
• Want a greener alkaline additive for your wastewater treatment?
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.
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.
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!
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 more than 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.
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.
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.
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About IER
100 years of combined expertise in wastewater treatment.
IER is a supplier of environmentally friendly water and wastewater treatment chemicals and equipment. We pride ourselves in being a wastewater treatment partner.
IER offers Magnesium Hydroxide-based products as safe, earth-friendly alternatives to the use of caustic soda for pH
neutralization, along with proprietary polymer solids removal technologies.
Got a question? Want a quote? CALL US AND WE’LL BE HAPPY TO HELP!
Ph: 800-331-3314
Website: www.ierwater.com
LinkedIn: linkedin.com/company/ier-water
Twitter: @CalixLimited
Youtube: CalixLimited
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