synthetically produced

Magnesium Hydroxide  

synthetic Mg(OH)2

  • The initial process for precipitating Mg(OH)2 from seawater was in France in the 19th century but now exists in China, Israel, and the US.

  • The first patent for precipitating Mg(OH)2 from seawater was in 1943.

  • Synthetically produced magnesium hydroxide became a popular alternative to caustic soda and lime as a wastewater treatment additive in the late 1980s and early 1990s.

  • Synthetic magnesium hydroxide accounts for nearly 60% of the international supply.

  • It is significantly more complicated to produce and requires rigorous testing to ensure quality.

specifications.

  • 98.5% Mg(OH)2 content or higher

  • consistent purity levels

  • low iron content (20ppm)

  • ~ 0.10% calcium 

  • low solubility in water

notable manufacturing locations.

  • China

  • Israel

  • Japan

  • South America

  • United States

potential application.

  • used as a pH buffer and alkalinity source 

  • helps to neutralize acidity

  • manufactured as a powder or slurry

  • used as alkalinity source with predictable reactivity

  • is non-hazardous and non-corrosive

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