摘要:
The present disclosure relates to an inorganic, halogen-free flameproofing agent produced from modified, carbonized red mud (MKRS-HT) having, in some examples, a mineral composition of 10 to 50 weight % of iron compounds, 12 to 35 weight % of aluminum compounds, 5 to 17 weight % of silicon compounds, 2 to 10 weight % of titanium dioxide, 0.5 to 6 weight % of calcium compounds, the weight ratio of Fe (II) carbonate to the oxides of iron being at least 1. Examples of the agent can be used as a flame retardant in the high-temperature range. The disclosure further relates to an agent produced from modified, carbonized and rehydrated red mud, which can be used as a flame retardant in the low-temperature and high-temperature ranges, methods for producing same and use as flame retardants. The disclosure further relates to a flameproofed material system and methods for producing same.
摘要:
The present invention relates to an inorganic, halogen-free flameproofing agent produced from modified, carbonized red mud (MKRS-HT) having a mineral composition of 10 to 50 weight percent of iron compounds, 12 to 35 weight percent of aluminum compounds, 5 to 17 weight percent of silicon compounds, 2 to 10 weight percent of titanium dioxide, 0.5 to 6 weight percent of calcium compounds and optionally unavoidable impurities, the weight ratio of Fe (II) carbonate to the oxides of iron being at least 1. The flame proofing agent according to the invention can be used as a flame retardant in the high-temperature range. The invention further relates to an inorganic, halogen-free flameproofing agent produced from modified, carbonized and rehydrated red mud, which can be used as a flame retardant both in the low-temperature range as well as in the high-temperature range, and to methods for producing same and the use thereof as flame retardants. The invention further relates to a flameproofed material system and methods for producing same. The compound according to the invention is suitable for applications such as drilling mud weighting, radioactive and electromagnetic shielding and as planting soil additive.
摘要:
The invention relates to a composition which contains modified chromate-deficient red mud, comprising a mineral composition of—10 to 50 wt. % of iron compounds,—12 to 35 wt. % of aluminum compounds,—5 to 17 wt. % of silicon compounds,—2 to 10 wt. % of titanium dioxide,—0.5 to 6 wt. % of calcium compounds,—0 to 1 ppm of chromium (VI) compounds, and—optionally additional unavoidable impurities. The composition, in particular the modified chromate-deficient red mud, contains a poorly soluble reducing agent for Cr(VI). In this manner, an inexpensive chemical composition is provided in particular as an iteratively functioning long-term adsorbent for pollutants in liquid, gaseous, and solid milieu. The invention further relates to a method for producing same and to uses thereof.
摘要:
The present invention relates to a modified red sludge or a modified bauxite residue and processes for producing same, and to a storage medium comprising a modified red sludge, a heat store comprising a storage medium and numerous uses of a It modified red sludge as storage medium, more particularly in a heat store system. The modified red sludge here contains the following components: —haematite (Fe2O3), —corundum (Al2O3), —rutile (TiO2) and/or anatase (TiO2), —quartz (SiO2), —optionally perovskite (CaTiO3) and —optionally pseudobrookite ((Fe3+, Fe2+)2(Ti, Fe3+)O5) and/or nepheline ((Na,K)[AlSiO4]). A novel material is thus provided, and production thereof is described for use as storage medium in a sensitive energy storage system in the low-, medium- or high-temperature sector.
摘要:
The invention relates to a composition which contains modified chromate-deficient red mud, comprising a mineral composition of—10 to 50 wt. % of iron compounds,—12 to 35 wt. % of aluminum compounds,—5 to 17 wt. % of silicon compounds,—2 to 10 wt. % of titanium dioxide,—0.5 to 6 wt. % of calcium compounds,—0 to 1 ppm of chromium (VI) compounds, and—optionally additional unavoidable impurities. The composition, in particular the modified chromate-deficient red mud, contains a poorly soluble reducing agent for Cr(VI). In this manner, an inexpensive chemical composition is provided in particular as an iteratively functioning long-term adsorbent for pollutants in liquid, gaseous, and solid milieu. The invention further relates to a method for producing same and to uses thereof.
摘要:
The present invention relates to an inorganic, halogen-free flameproofing agent produced from modified, recarbonized red mud (MKRS-HT) having a mineral composition of 10 to 50 weight percent of iron compounds, 12 to 35 weight percent of aluminum compounds, 5 to 17 weight percent of silicon compounds, 2 to 10 weight percent of titanium dioxide, 0.5 to 6 weight percent of calcium compounds and optionally unavoidable impurities, the weight ratio of Fe (II) carbonate to the oxides of iron being at least 1. The flame proofing agent according to the invention can be used as a flame retardant in the high-temperature range; The invention further relates to an inorganic, halogen-free flameproofing agent produced from modified, recarbonized and rehydrated red mud, which can be used as a flame retardant both in the low-temperature range as well as in the high-temperature range, and to methods for producing same and the use thereof as flame retardants, substitutes or surrogates, synergists, thermal stabilizers, heat accumulators, heat insulators and/or sound insulators and/or as electromagnetic radiation shielding materials.
摘要:
The present invention relates to a modified red mud/a modified bauxite residue and also to processes for the production thereof and to a storage medium comprising a modified red mud, to a heat storage means comprising a storage medium and to numerous uses of a modified red mud as storage medium, in particular in a heat storage means. The modified red mud contains the following components: haematite (Fe2O3), —corundum (Al2O3), —rutile (TiO2) and/or anatase (TiO2), —quartz (SiO2), —optionally perowskite (CaTiO3) and —optionally pseudobrookite ((Fe3+,Fe2+)2(Ti,Fe3+)O5), nepheline ((Na,K)[AlSiO4]) and/or hauynite ((Na,Ca)4-8[Al6Si6O24(SO4)]), wherein the modified red mud is substantially free from Na2O and/or glass. A novel material is thus provided, and the production thereof for use as a storage medium in a sensitive energy storage system in the low-, medium- or high-temperature range is described.
摘要:
The present invention relates to a modified red mud/a modified bauxite residue and also to processes for the production thereof and to a storage medium comprising a modified red mud, to a heat storage means comprising a storage medium and to numerous uses of a modified red mud as storage medium, in particular in a heat storage means. The modified red mud contains the following components: haematite (Fe2O3), —corundum (Al2O3), —rutile (TiO2) and/or anatase (TiO2), —quartz (SiO2), —optionally perowskite (CaTiO3) and —optionally pseudobrookite ((Fe3+,Fe2+)2(Ti,Fe3+)O5), nepheline ((Na,K)[AlSiO4]) and/or hauynite ((Na,Ca)4-8[Al6Si6O24(SO4)]), wherein the modified red mud is substantially free from Na2O and/or glass. A novel material is thus provided, and the production thereof for use as a storage medium in a sensitive energy storage system in the low-, medium- or high-temperature range is described.
摘要:
The disclosure relates to an inorganic, halogen-free flameproofing agent produced from modified, recarbonized red mud (MKRS-HT). The agent may have a mineral composition of 10 to 50 weight % of iron compounds, 12 to 35 weight % of aluminum compounds, 5 to 17 weight % of silicon compounds, 2 to 10 weight % of titanium dioxide, 0.5 to 6 weight % of calcium compounds the weight ratio of Fe (II) carbonate to the oxides of iron being at least 1. The agent, according to examples, can be used as a flame retardant in the high-temperature range. The disclosure further relates to flameproofing agent produced from modified, recarbonized and rehydrated red mud, which may be a flame retardant in the low-temperature range as well as in the high-temperature range, methods for producing same and use as flame retardants, substitutes, synergists, thermal stabilizers, heat accumulators, heat insulators and/or sound insulators and/or as electromagnetic radiation shielding materials.