摘要:
Methods of purifying acidic metal solutions by removing at least a portion of alpha-particle emitting materials are provided. The purified metal solutions are useful in a variety of applications requiring low levels of alpha-particle emission.
摘要:
Methods of purifying acidic metal solutions by removing at least a portion of alpha-particle emitting materials are provided. The purified metal solutions are useful in a variety of applications requiring low levels of alpha-particle emission.
摘要:
The present invention is directed toward ion exchange filters useful in fuel cell systems, fuel cell systems including ion exchange filters and methods for treating fluid of fuel cells. One embodiment of the invention includes a cartridge containing an anion exchange resin in bicarbonate form. The invention is particularly useful in connection with vehicle mounted fuel cell systems.
摘要:
A method for preventing the degradation of a catalyst during storage of the catalyst and prior to using the catalyst in a chemical process comprising treating the catalyst with an antioxidant and storing the treated catalyst until further use. The stabilized treated catalyst may be used in a process for producing organic chemicals such as in a process for producing bisphenol A.
摘要:
A method for removing dissolved contaminants from solution using a surface-activated crystalline titanium oxide product having a high adsorptive capacity and a high rate of adsorption with respect to dissolved contaminants, in particular, arsenate and arsenite. Preferably, the titanium oxide product includes crystalline anatase having primary crystallite diameters in the range of 1-30 nm. The surface-activated titanium oxide is combined with other filter media to further improve the removal of dissolved contaminants.
摘要:
A method for inhibiting formation of nitrosamines and an anion exchange resin produced therefrom comprising providing an anion exchange resin with a nitrosating agent and mixing a cation exchange resin with the anion exchange resin to inhibit formation of nitrosamines on the anion exchange resin.
摘要:
The present invention is directed toward ion exchange filters useful in fuel cell systems, fuel cell systems including ion exchange filters and methods for treating fluid of fuel cells. One embodiment of the invention includes a cartridge containing an anion exchange resin in bicarbonate form. The invention is particularly useful in connection with vehicle mounted fuel cell systems.
摘要:
A method for preventing the degradation of a catalyst during storage of the catalyst and prior to using the catalyst in a chemical process comprising treating the catalyst with an antioxidant and storing the treated catalyst until further use. The stabilized treated catalyst may be used in a process for producing organic chemicals such as in a process for producing bisphenol A.
摘要:
A method for inhibiting formation of nitrosamines and an anion exchange resin produced therefrom comprising providing an anion exchange resin with a nitrosating agent and mixing a cation exchange resin with the anion exchange resin to inhibit formation of nitrosamines on the anion exchange resin.
摘要:
A method for preventing the degradation of a catalyst during storage of the catalyst and prior to using the catalyst in a chemical process comprising treating the catalyst with an antioxidant and storing the treated catalyst until further use. The stabilized treated catalyst may be used in a process for producing organic chemicals such as in a process for producing bisphenol A.