Disclosed is a method of fabricating a construction element, the method comprising the manufacturing of a construction element including a slag, wherein the slag is comprising, on a dry basis and whereby the presence of a metal is expressed as the total of the metal present as elemental metal and the presence of the metal in an oxidized state, a) at least 7% wt and at most 49% wt of iron, Fe, b) at most 1.3% wt of copper, Cu, c) at least 24% wt and at most 44% wt of silicon dioxide, SiO.sub.2, d) at least 1.0% wt and at most 20% wt of calcium oxide, CaO, e) at least 0.10% wt and at most 1.50% wt of zinc, Zn, f) at least 0.10% wt and at most 2.5% wt of magnesium oxide, MgO, and g) at most 0.100% wt of lead, Pb. Further disclosed are improved construction elements comprising the slag.

A porous material including a composite oxide body containing calcium oxide, iron oxide, and silica, and a plurality of inter-connecting microchannel structures is provided. A preparing method of porous material is further provided. With the inter-connecting microchannel structures of the porous material and the advantages of high porosity and large specific surface area, the porous material has a bright prospect in the fields of catalysts, filters, adsorption materials, and fuel carriers.

Disclosed is a method of fabricating a construction element, the method comprising the manufacturing of a construction element including a slag, wherein the slag is comprising, on a dry basis and whereby the presence of a metal is expressed as the total of the metal present as elemental metal and the presence of the metal in an oxidized state, a) at least 7% wt and at most 49% wt of iron, Fe, b) at most 1.3% wt of copper, Cu, c) at least 24% wt and at most 44% wt of silicon dioxide, SiO.sub.2, d) at least 1.0% wt and at most 20% wt of calcium oxide, CaO, e) at least 0.10% wt and at most 1.50% wt of zinc, Zn, f) at least 0.10% wt and at most 2.5% wt of magnesium oxide, MgO, and g) at most 0.100% wt of lead, Pb.

Further disclosed are improved construction elements comprising the slag.

A porous material including a composite oxide body containing calcium oxide, iron oxide, and silica, and a plurality of inter-connecting microchannel structures is provided. A preparing method of porous material is further provided. With the inter-connecting microchannel structures of the porous material and the advantages of high porosity and large specific surface area, the porous material has a bright prospect in the fields of catalysts, filters, adsorption materials, and fuel carriers.

Disclosed is a slag comprising, on a dry basis and expressed as the total of the metal present as elemental metal and the presence of the metal in an oxidized state, a) at least 7% wt and at most 49% wt of Fe, b) at most 1.3% wt of Cu, c) at least 24% wt and at most 44% wt of SiO.sub.2, and d) at least 2.0% wt and at most 20% wt of CaO, characterised in that the slag comprises, on the same basis, e) at least 0.10% wt and at most 1.00% wt of Zn, f) at least 0.10% wt and at most 2.5% wt of MgO, and g) at most 0.100% wt of Pb. Further disclosed are an improved object comprising the slag, a process for the production of the slag, and a number of uses of the slag, whereby the slag may comprise up to at most 1.50% wt of zinc and down to 1.0% wt of CaO.

A method of making a roadbed, including paving an area with foamed glass bodies to define a bed and covering the bed with a layer of cementitious material to define a composite bed. The composite bed is at least 85 percent foamed glass bodies. The composite bed has a cementitious surface.

A method of making a roadbed, including paving an area with foamed glass bodies to define a bed and covering the bed with a layer of cementitious material to define a composite bed. The composite bed is at least 85 percent foamed glass bodies. The composite bed has a cementitious surface.

An arrestor bed for slowing an oncoming aircraft, including an elongated excavation, a plurality of foamed glass aggregate bodies positioned within the elongated excavation, and a covering positioned over the elongated excavation to define an arrestor bed. The respective foamed glass aggregate bodies are oblong, irregularly shaped bodies and have characteristic stacking angles of about 35 degrees. The arrestor bed has a rapid brittle crushing failure mode under compression.

An arrestor bed for slowing an oncoming aircraft, including an elongated excavation, a plurality of foamed glass aggregate bodies positioned within the elongated excavation, and a covering positioned over the elongated excavation to define an arrestor bed. The respective foamed glass aggregate bodies are oblong, irregularly shaped bodies and have characteristic stacking angles of about 35 degrees. The arrestor bed has a rapid brittle crushing failure mode under compression.

A process for preparing solid slag granules from a molten slag composition comprises: (a) providing the molten slag composition; (b) converting the molten slag composition into the solid slag granules in a dispersion apparatus; and (c) sorting the solid slag granules by shape in a separator to produce a plurality of fractions having different sphericities. Granular slag products comprise one or more fractions of solid slag granules produced by the process, and include proppants, roofing granules, catalyst supports, which may be porous or non-porous, and coated or uncoated.