AUTOMOBILE EXHAUST GAS BOTTLE- REACTOR THAT ABSORBS CARBON DIOXIDE

Abstract

Provided is an automobile exhaust gas bottle-reactor having a carbon dioxide capture device or an exhaust gas carbon dioxide reactor to reduce the emission of carbon dioxide. The exhaust gas carbon dioxide reactor may include a calcium hydroxide inlet through which calcium hydroxide is provided to the carbon dioxide capture device, a calcium carbonate outlet allowing the calcium hydroxide to be discharged from the carbon dioxide capture device, a calcium carbonate partition membrane 6 partitioning the calcium carbonate, a calcium carbonate sensor 7 sensing a level of the calcium carbonate, a calcium hydroxide partition membrane partitioning the calcium hydroxide and a calcium hydroxide sensor sensing a level of the calcium hydroxide.

Claims

1. An exhaust gas carbon dioxide reactor, comprising: a calcium hydroxide inlet through which calcium hydroxide is provided to the exhaust gas carbon dioxide reactor; a calcium carbonate outlet allowing the calcium hydroxide to be discharged from the exhaust gas carbon dioxide reactor; a calcium carbonate partition membrane partitioning the calcium carbonate; a calcium carbonate sensor sensing a level of the calcium carbonate; a calcium hydroxide partition membrane partitioning the calcium hydroxide; and a calcium hydroxide sensor sensing a level of the calcium hydroxide.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the present invention and are incorporated in and constitute a part of this specification. The drawings illustrate exemplary embodiments of the present invention and, together with the description, serve to explain principles of the present invention. In the drawings:

[0014] FIG. 1 is a view illustrating an exhaust gas carbon dioxide reactor according to an embodiment of the present invention; and

[0015] FIGS. 2A to 2C are views illustrating images of an exhaust gas carbon dioxide reactor according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE DISCLOSURE

[0016] Preferred embodiments of the present invention will be described below in more detail with reference to the accompanying drawings. The present invention may, however, be embodied in different forms and should not be constructed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art. Terms or languages defined in the present disclosure may have different meaning according to the users' intention or practice. These terms should be interpreted as a meaning corresponding to the technical concept of the present invention disclosed throughout the specification of the present invention.

[0017] As used herein, the singular forms “a,” “an,” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. In addition, the expressions defining the relationship of elements or components should be interpreted as broad as possible. For example, it will be understood that when an element or layer is referred to as being “on,” “connected to,” “coupled to,” or “adjacent to” another element or layer, it can be directly on, connected, coupled, or adjacent to the other element or layer, or intervening elements or layers may be present therebetween.

[0018] It will also be understood that when an element is same or identical to another element, the element can be completely same or identical to another element, or it includes that the two elements may be “substantially” similar to each other. In the same manner, for the expression showing the equivalence of time such as “simultaneously” or “at the same time,” it should be understood that it happens completely at the same time, or they may happen at substantially the similar time.

[0019] The same reference denotations may be used to refer to the same or substantially the same elements throughout the specification and the drawings.

[0020] Hereinafter, an exhaust gas carbon dioxide reactor 3 according to embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0021] The exhaust gas carbon dioxide reactor 3 according to an embodiment of the present invention is connected to a car exhaust filter 2 for filtering the automobile exhaust. Here, the car exhaust filter 2 may be connected to a car exhaust pipe 1 through which automobile exhaust is discharged and may be placed downstream of the car exhaust pipe 1.

[0022] The exhaust gas carbon dioxide reactor 3 connected to the car exhaust filter 2 is responsible for capturing CO.sub.2 from the automobile exhaust.

[0023] FIG. 1 is a view illustrating the exhaust gas carbon dioxide reactor 3 according to an embodiment of the present invention.

[0024] The exhaust gas carbon dioxide reactor 3 may include:

[0025] a calcium hydroxide inlet 4 through which calcium hydroxide is provided to the carbon dioxide capture device 3;

[0026] a calcium carbonate outlet 5 allowing the calcium hydroxide to be discharged from the carbon dioxide capture device 3;

[0027] a calcium carbonate partition membrane 6 partitioning the calcium carbonate;

[0028] a calcium carbonate sensor 7 sensing a level of the calcium carbonate;

[0029] a calcium hydroxide partition membrane 8 partitioning the calcium hydroxide; and

[0030] a calcium hydroxide sensor 9 sensing a level of the calcium hydroxide.

[0031] The operation of the exhaust gas carbon dioxide reactor 3 is described below.

[0032] As aforementioned, CO.sub.2 is reacted with calcium oxide (CaO) to thus create calcium carbonate (CaCO.sub.3).

[0033] The CO.sub.2 is infused to the exhaust gas carbon dioxide reactor 3 to be reacted with calcium hydroxide (Ca(OH).sub.2) in a proximity of the calcium hydroxide partition membrane 8.

[0034] The reacted CO2 and Ca(OH).sub.2 precipitates in a form of calcium carbonate (CaCO.sub.3) which is collected below the calcium carbonate partition membrane 6. When the calcium carbonate (CaCO.sub.3) is built to the calcium carbonate partition membrane 6, the level is detected by the calcium carbonate sensor 7 to open the calcium carbonate outlet 5, thereby allowing it to be stored in a calcium carbonate storage tank.

[0035] Here, when the calcium hydroxide is detected by the calcium hydroxide sensor 9, the calcium carbonate outlet 5 is closed, and instead, the calcium hydroxide inlet 4 is opened to supply the calcium hydroxide to the exhaust gas carbon dioxide reactor 3. In addition, when the calcium hydroxide is detected by the calcium hydroxide sensor 9, the calcium hydroxide inlet 4 is closed again.

[0036] Metal oxides such as calcium oxide is reacted with carbon dioxide to produce insoluble calcium carbonate, as shown in Equations 1 and 2.

CaO(s)+H.sub.2O—Ca(OH).sub.2  (Eq.1)

Ca(OH).sub.2(s)+CO.sub.2(g)-CaCO.sub.3(s)  (Eq.2)

[0037] The resulting calcium carbonate will be useful because it is an important ingredient in certain industrial products.

[0038] While many technologies have been developed and commercialized for capturing and using carbon dioxide, methods for removing carbon dioxide from car exhaust have not been actively developed. It is difficult to mount a carbon dioxide collecting device inside a car and efficiently remove the resultants from it. A method is disclosed to fix alkaline earth metal-based chemical absorbent to a silicon support, thereby allowing the carbon dioxide to be absorbed.

Advantageous Effects

[0039] In the present invention, calcium hydroxide reacts with carbon dioxide to produce another substance. When carbon dioxide enters the absorption column, it becomes a calcium carbonate solution and precipitates on the bottom. This process effectively reduces carbon dioxide from car exhaust. Therefore, this invention can be described as an eco-friendly device due to its ability to transform a greenhouse gas into a useful industrial compound.

[0040] The above-disclosed subject matter is to be considered illustrative, and not restrictive, and the appended claims are intended to cover all such modifications, enhancements, and other embodiments, which fall within the true spirit and scope of the present invention. Thus, to the maximum extent allowed by law, the scope of the present invention is to be determined by the broadest permissible interpretation of the following claims and their equivalents, and shall not be restricted or limited by the foregoing detailed description.