BR102015029814A2 - carbon dioxide removal apparatus from natural gas - Google Patents
carbon dioxide removal apparatus from natural gas Download PDFInfo
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- BR102015029814A2 BR102015029814A2 BR102015029814A BR102015029814A BR102015029814A2 BR 102015029814 A2 BR102015029814 A2 BR 102015029814A2 BR 102015029814 A BR102015029814 A BR 102015029814A BR 102015029814 A BR102015029814 A BR 102015029814A BR 102015029814 A2 BR102015029814 A2 BR 102015029814A2
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- carbon dioxide
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Abstract
aparato para remoção de dióxido de carbono do gás natural. a presente invenção compreende vaso para remoção do dióxido de carbono do gás natural no qual a corrente gasosa se mistura com água e o dióxido de carbono entra em solução na água. a água não saturada em dióxido de carbono entra pela parte superior do vaso e os gases entram pela parte inferior por meio de vários tubos de pequeno diâmetro e se misturam com a água. acima dos tubos é instalado um misturador que ajuda a aumentar o contato e dissolver o dióxido de carbono na água. depois de intensa mistura, saem da parte superior do vaso gás natural com baixo teor de dióxido de carbono e, pela parte inferior, água com dióxido de carbono nela dissolvido.apparatus for removing carbon dioxide from natural gas. The present invention comprises a vessel for removing carbon dioxide from natural gas in which the gas stream mixes with water and carbon dioxide comes into solution in water. Unsaturated carbon dioxide water enters the upper part of the vessel and gases enter the lower part through several small diameter tubes and mix with the water. Above the pipes is installed a mixer that helps increase contact and dissolve carbon dioxide in water. After intense mixing, low carbon dioxide natural gas comes out of the top of the vessel and dissolved carbon dioxide water from the bottom of the vessel.
Description
“APARATO PARA REMOÇÃO DE DIÓXIDO DE CARBONO DO GÁS NATURAL”.“NATURAL GAS CARBON DIOXIDE REMOVAL APARTMENT”.
[001 ] Trata a presente invenção de um aparato inédito para remoção de dióxido de carbono do gás natural. É comum a produção de dióxido de carbono junto com o petróleo e o gás natural. Em campos marítimos ou terrestres de petróleo e gás natural, a fase líquida é processada e depois bombeada para um terminal ou para um navio, em caso de produção no mar. No caso de haver dióxido de carbono na fase gasosa, ele precisa ser separado antes de o gás natural, dentro da especificação em relação ao dióxido de carbono, ser transportado para outra unidade e chegar ao consumidor.[001] This invention is a novel apparatus for removing carbon dioxide from natural gas. Carbon dioxide production is common along with oil and natural gas. In offshore or onshore oil and natural gas fields, the liquid phase is processed and then pumped to a terminal or ship in case of offshore production. If there is carbon dioxide in the gas phase, it must be separated before natural gas, within the carbon dioxide specification, is transported to another unit and reaches the consumer.
[002] Essa separação do dióxido de carbono da fase gasosa é muito dispendiosa. Geralmente ela exige caros e complexos processos, tais como: absorção com aminas, separação com membranas e peneiras moleculares. A invenção diz respeito a um aparato simples e barato para separar o dióxido de carbono do gás natural.This separation of carbon dioxide from the gas phase is very expensive. It usually requires expensive and complex processes such as: amine absorption, membrane separation and molecular sieves. The invention relates to a simple and inexpensive apparatus for separating carbon dioxide from natural gas.
[003] De acordo com a presente invenção, água entra em um vaso misturador pela sua parte superior e a fase gasosa com dióxido de carbono e gás natural entram nesse vaso pela parte inferior. O contato da água, não saturada em dióxido de carbono, com a fase gasosa faz com que o dióxido de carbono presente nessa fase entre em solução na água. Assim, o gás natural passa a ter um teor de dióxido de carbono dentro da especificação e sai pela parte superior, e a água, com o dióxido de carbono dissolvido, sai pela parte inferior do aparato.According to the present invention, water enters a mixing vessel from its top and the gaseous phase with carbon dioxide and natural gas enters into that vessel from the bottom. The contact of water, not saturated with carbon dioxide, with the gas phase causes the carbon dioxide present in this phase to come into solution in the water. Thus, natural gas has a carbon dioxide content within the specification and exits at the top, and water, with dissolved carbon dioxide, exits at the bottom of the apparatus.
[004] O processo de acordo com a presente invenção é adicionalmente explicado por meio do desenho anexo, no qual a Figura 1 mostra esquematicamente a concepção básica da invenção.The process according to the present invention is further explained by means of the accompanying drawing, in which Figure 1 schematically shows the basic design of the invention.
[005] A Figura 1 mostra uma fase gasosa com altos teores de gás natural e dióxido de carbono (1) que entra pela parte inferior de um vaso misturador (2) onde esses gases entram em contato, em contra-corrente, com água (3) que entra pela parte superior do vaso misturador. Vários tubos verticais de diferentes alturas e comprimentos (4) promovem a entrada da fase gasosa e o contato com a água no vaso misturador. Acima desses tubos verticais, gira um misturador mecânico com várias pás (5) que tem a finalidade de promover um intenso contato entre a água e os gases. Com esse intenso contato, o dióxido de carbono entra então em solução na água. A fase gasosa (6) que deixa o vaso de pressão passa a ser composta de gás natural com baixo teor de dióxido de carbono. A água (7) que deixa o vaso misturador, pela lateral onde estão instalados os tubos de maior comprimento, passa a ter alto teor de dióxido de carbono nela dissolvido.[005] Figure 1 shows a gas phase with high levels of natural gas and carbon dioxide (1) which enters the bottom of a mixing vessel (2) where these gases counteract with water ( 3) entering through the top of the mixing vessel. Several vertical tubes of different heights and lengths (4) promote gas phase entry and contact with water in the mixing vessel. Above these vertical tubes rotates a multi-bladed mechanical mixer (5) designed to provide intense contact between water and gases. With this intense contact, carbon dioxide then enters solution in water. The gas phase (6) leaving the pressure vessel is made up of low carbon dioxide natural gas. The water (7) leaving the mixing vessel, on the side where the longest pipes are installed, has a high carbon dioxide content dissolved therein.
REIVINDICAÇÕES
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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BR102015029814A BR102015029814A2 (en) | 2015-11-27 | 2015-11-27 | carbon dioxide removal apparatus from natural gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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BR102015029814A BR102015029814A2 (en) | 2015-11-27 | 2015-11-27 | carbon dioxide removal apparatus from natural gas |
Publications (1)
Publication Number | Publication Date |
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BR102015029814A2 true BR102015029814A2 (en) | 2017-06-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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BR102015029814A BR102015029814A2 (en) | 2015-11-27 | 2015-11-27 | carbon dioxide removal apparatus from natural gas |
Country Status (1)
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BR (1) | BR102015029814A2 (en) |
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2015
- 2015-11-27 BR BR102015029814A patent/BR102015029814A2/en not_active IP Right Cessation
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