APPARATUS AND PROCESS FOR PURIFICATION OF A NITROSAMINE-CONTAMINATED PRODUCT FROM AN OPERATING PLANT
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Abstract
A process for purifying a product contaminated with nitrosamines from an operating plant is proposed. The contaminated product is heated to a temperature T at which the nitrosamines are thermally destroyed. The temperature T is set at a higher level than the maximum temperature in the operating plant, and maintained for a residence time t. An apparatus for regeneration of a nitrosamine-contaminated product from a CO2 capture plant is also proposed.
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Citations
30 Claims
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1-15. -15. (canceled)
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16. A process for purifying a solvent contaminated with nitrosamine as a product from a CO2 capture plant, comprising:
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heating the contaminated product to a temperature T at which the nitrosamine is thermally destroyed, the temperature T being higher than maximum temperature in the CO2 capture plant; and maintaining the temperature T for a residence time t, wherein the solvent is taken from a CO2 capture operation in a fossil-fired power plant, and, wherein the contaminated product contains at least concentration of the nitrosamine which is formed in the CO2 capture operation. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. An apparatus for regeneration of a nitrosamine-contaminated product from a CO2 capture plant, comprising:
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an absorber and a desorber being connected to one another by a line for a laden solvent and a line for a regenerated solvent in such a way that a solvent circuit is formed between the absorber and the desorber; and a thermal reactor being connected to a line in the solvent circuit, wherein a process is executed in the thermal reactor for heating the contaminated product to a temperature T at which the nitrosamine is thermally destroyed and maintaining the temperature T for a residence time t, and wherein the temperature T is higher than maximum temperature in the CO2 capture plant. - View Dependent Claims (27, 28, 29, 30)
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Specification