An inorganic mortar system includes a curable aluminous cement component A and an initiator component B for initiating the curing process, as well as a calcium carbonate with a crystalline calcite content determined by XRD of greater than 80% and a specific surface area of greater than 15 m.sup.2/g in component A and/or component B. Component A further includes at least one blocking agent selected from the group consisting of boric acid, phosphoric acid, metaphosphoric acid, phosphorous acid and phosphonic acids, at least one accelerator, and water, and component B includes an activator, at least one retarder, at least one mineral filler, and water. Moreover, the calcium carbonate accelerates calcium aluminate cement hydration. A method for the chemical fastening of anchors and post-installed reinforcing bars in mineral substrates is developed.

A lightweight artificial stone system comprises a plurality of artificial stones, each of the artificial stones formed of at least some portion of cement, expanded glass, the lightweight artificial stones having a density in the range of between about 30 and 70 pounds per cubic foot.

A lightweight artificial stone system comprises a plurality of artificial stones, each of the artificial stones formed of at least some portion of cement, expanded glass, the lightweight artificial stones having a density in the range of between about 30 and 70 pounds per cubic foot.

A method is developed for increasing the load value of an inorganic mortar system that incorporates a calcium carbonate into the inorganic mortar system. The inorganic mortar system includes a curable aluminous cement component A and an initiator component B. The calcium carbonate has a crystalline calcite content determined by XRD of greater than 80% and a specific surface area of greater than 15 m.sup.2/g. Component A includes at least one blocking agent selected from the group consisting of boric acid, phosphoric acid, metaphosphoric acid, phosphorous acid and phosphonic acids, at least one accelerator, and water, and component B includes an activator, at least one retarder, at least one mineral filler and water. A method is developed for the fastening of anchors and post-installed reinforcing bars in mineral substrates in the inorganic mortar system.

A method is developed for increasing the load value of an inorganic mortar system that incorporates a calcium carbonate into the inorganic mortar system. The inorganic mortar system includes a curable aluminous cement component A and an initiator component B. The calcium carbonate has a crystalline calcite content determined by XRD of greater than 80% and a specific surface area of greater than 15 m.sup.2/g. Component A includes at least one blocking agent selected from the group consisting of boric acid, phosphoric acid, metaphosphoric acid, phosphorous acid and phosphonic acids, at least one accelerator, and water, and component B includes an activator, at least one retarder, at least one mineral filler and water. A method is developed for the fastening of anchors and post-installed reinforcing bars in mineral substrates in the inorganic mortar system.

At least one alkali and/or earth alkaline metal salt in an inorganic mortar system can be used for a chemical fastening of anchoring means in mineral substrates. The inorganic mortar system has a curable aluminous cement component A and an initiator component B for initiating the curing process. Component A further has at least one blocking agent selected from the group of phosphoric acid, metaphosphoric acid, phosphorous acid, boric acid, and phosphonic acids, and component B has an activator. The at least one alkali and/or earth alkaline metal salt in an inorganic mortar can accelerate curing of the cements as well as increase load values. A method for a chemical fastening of anchoring means, preferably of metal elements, in mineral substrates such as structures made of brickwork, concrete, pervious concrete or natural stone can also be performed.

At least one alkali and/or earth alkaline metal salt in an inorganic mortar system can be used for a chemical fastening of anchoring means in mineral substrates. The inorganic mortar system has a curable aluminous cement component A and an initiator component B for initiating the curing process. Component A further has at least one blocking agent selected from the group of phosphoric acid, metaphosphoric acid, phosphorous acid, boric acid, and phosphonic acids, and component B has an activator. The at least one alkali and/or earth alkaline metal salt in an inorganic mortar can accelerate curing of the cements as well as increase load values. A method for a chemical fastening of anchoring means, preferably of metal elements, in mineral substrates such as structures made of brickwork, concrete, pervious concrete or natural stone can also be performed.

A method/system for sequestering carbon dioxide from cement and lime production facilities wherein carbon dioxide from flue gases originating from cement or lime production facilities is recovered and transported to a building materials production facility where it is sequestered.

Provided herein are a method and a system for producing slabs, tiles or sheets of artificial stone, with a wide vein effect, comprising inorganic particles of different sizes and hardened binders, and which simulate the appearance of natural stone.

Provided herein are a method and a system for producing slabs, tiles or sheets of artificial stone, with a wide vein effect, comprising inorganic particles of different sizes and hardened binders, and which simulate the appearance of natural stone.