A composition capable of setting to produce a cementitious material for use in remineralizing a fluid is provided. The composition includes a first magnesium-containing compound, a second magnesium-containing compound, and water present in the composition in an amount sufficient such that the composition sets to a cementitious material.

A composition capable of setting to produce a cementitious material for use in remineralizing a fluid is provided. The composition includes a first magnesium-containing compound, a second magnesium-containing compound, and water present in the composition in an amount sufficient such that the composition sets to a cementitious material.

Methods of processing magnesium silicate materials are described to produce a number of products including magnesium hydroxide. Related methods of use of processed magnesium silicate and other reaction products are described for energy production, cement manufacture and carbon sequestration. In one embodiment the method comprises subjecting a magnesium silicate source to an acid digestion; increasing the digested liquid pH to produce a magnesium salt solution; subjecting the magnesium salt solution to electrolysis; and recovering magnesium hydroxide produced from electrolysis. By-products such as silica, iron oxy(oxides) and others are also described along with further reaction products such as magnesium oxide and magnesium carbonate.

Methods of processing magnesium silicate materials are described to produce a number of products including magnesium hydroxide. Related methods of use of processed magnesium silicate and other reaction products are described for energy production, cement manufacture and carbon sequestration. In one embodiment the method comprises subjecting a magnesium silicate source to an acid digestion; increasing the digested liquid pH to produce a magnesium salt solution; subjecting the magnesium salt solution to electrolysis; and recovering magnesium hydroxide produced from electrolysis. By-products such as silica, iron oxy(oxides) and others are also described along with further reaction products such as magnesium oxide and magnesium carbonate.

A hydraulically curable inorganic cement composition comprising uncoated comminuted glass fibres made of low-alkali-oxide or alkali oxide-free glass and/or uncoated comminuted ceramic fibres made of low-alkali-oxide or alkali oxide-free ceramic.

A hydraulically curable inorganic cement composition comprising uncoated comminuted glass fibres made of low-alkali-oxide or alkali oxide-free glass and/or uncoated comminuted ceramic fibres made of low-alkali-oxide or alkali oxide-free ceramic.

The present invention is directed to a solidified composition and a method of making such solidified composition. The solidified composition may have a lower leachate pH when compared to ordinary Portland cement. The solidified composition may be formed from a slurry comprising magnesium oxide, a salt, and water. Notably, the solidified composition may further comprise one or more actinides. The methods of the present invention are directed to making the aforementioned solidified compositions.

The present invention is directed to a solidified composition and a method of making such solidified composition. The solidified composition may have a lower leachate pH when compared to ordinary Portland cement. The solidified composition may be formed from a slurry comprising magnesium oxide, a salt, and water. Notably, the solidified composition may further comprise one or more actinides. The methods of the present invention are directed to making the aforementioned solidified compositions.