摘要:
본 발명은 싸이클론 열교환 장치에 관한 것으로, 본 발명은, 일측에 위치한 유입관을 통하여 가스상의 부식성 물질 및 중금속을 포함하는 배기가스가 유입되는 본체; 상기 본체의 상측 내외부를 관통하여 위치하는 유출관; 상기 유출관 내부에 위치하는 내부 열교환기; 및 상기 유출관의 외측에 위치하여 상기 본체로 유입되는 배기가스에 포함된 가스상의 부식성 물질을 중화하는 첨가제를 분사하는 분사부;를 포함하는 싸이클론 열교환 장치를 제공하며, 이에 의하면, 유출관 내외부에 열교환기가 위치하며 2중의 열교환을 통해 배기가스로부터의 열회수 효율을 높일 수 있고, 배가스에 포함된 부식성 물질 및 중금속을 분리하여 제거함으로써 열교환기의 부식을 방지할 수 있어, 열교환기에 추가적인 내부식성 처리가 불필요하다는 장점이 있다.
摘要:
The present invention relates to a system for the exploitation of a bitumen produced in a hydroconversion process of heavy hydrocarbon residues, which comprises one or more boilers for burning the bitumen; one or more denitrification units for the abatement of the nitrogen oxides (DeNOx) and carbon monoxide; one or more electrostatic precipitators (ESPs) for reducing solid particulate from the denitrified gases; one or more flue gas desulfurization (FGD) units for reducing sulfur dioxide; one or more units for recovering the metals contained in the solid residues and ashes.
摘要:
A method and apparatus are provided for separating droplets of finely aerosolized elemental mercury from a gaseous stream in which the droplets are dispersed. In the method, a precious metal wire capillary surface or precious metal-coated wire capillary surface is contacted with the gaseous stream, causing the aerosolized droplets to deposit on the capillary surface and by capillary action to coalesce with other of such droplets. The surface is oriented to allow the mercury to flow by gravitational forces and capillary action to the lowermost portions of the surface, where it accumulates and can be collected. Metallic capillary surfaces comprised of finely braided strands of silver, gold, palladium, platinum, or rhodium wire, or wire coated with one or more of these metals, are particularly preferred.
摘要:
Methods for facilitating the removal of mercury from flue gases by converting elemental mercury to oxidized mercury and subsequently capturing the oxidized mercury. In one aspect, a method of removing mercury from a mercury-containing flue gas may include the steps of introducing into the flue gas a sulfide source in an effective amount to convert elemental mercury to gaseous oxidized mercury and then capturing the gaseous oxidized mercury.
摘要:
A method for the reduction of the emission of mercury into the environment from the burning of fossil fuels with the use of polydithiocarbamic compounds. The polydithiocarbamic compounds are used for the capture of mercury from the resulting flue gases using a flue gas desulfurization systems or scrubbers. The method uses polydithiocarbamic compounds in conjunction with a scrubber to capture mercury and reduce its emission and/or re-emission with stack gases. The method is a unique process of reducing the toxic levels of mercury, which allows for the use of coal as a clean and environmentally friendlier fuel source.
摘要:
A multi-functional composition of matter that is useful for injection into a flue gas stream to rapidly and efficiently remove mercury from the flue gas stream. The multi-functional composition of matter may include a fixed carbon sorbent and minerals, halogens in the form of halide salts, to enhance (1) the oxidation reaction kinetics for the oxidation of mercury species and (2) the mass diffusion kinetics of the mercury species. The multi-functional composition of matter also does not have a significant detrimental impact on the ability of fly ash removed from the flue gas stream to be used with cementitious products such as concrete.
摘要:
A method and apparatus for treating an exhaust or waste gas stream using Silic Pollution Reduction System (SPRS) is provided to remove at least one unwanted material to clean the exhaust or waste gas stream by gas stabilisation to allow the cleaned gas stream to be discharged directly to atmosphere. The apparatus includes at least three treatment stations for treating the exhaust or waste gas stream in sequence, in which at least one treatment station is a wet reactor containing a nucleating or precipitating liquid for removing the unwanted material as a solid and for oxygenating the remaining gas stream from which the unwanted material has been removed, and at least one treatment station is or has a gas compressing stage or component for compressing the gas stream being treated. The advantage of the method and apparatus is that the treated gas stream can be discharged directly to atmosphere with reduced amounts of pollutants.
摘要:
The invention relates to a method for treating a gas stream comprising combustion fumes containing CO2 in an initial proportion, water vapor, one or more volatile acid compounds, and one or more additional impurities selected from among oxygen, nitrogen and argon, comprising the steps of: i) compressing the gas stream to a final pressure of 1 bar to 74 bar absolute; ii) cooling the gas stream to a temperature of around -10°C to around -130°C and eliminating at least one additional impurity; and iii) recovering a CO2-enriched gas stream containing a final proportion of CO2 greater than the initial proportion of CO2 in the stream to be treated. In addition, the method comprises, prior to step i), a step of predrying the stream for removing therefrom at least a portion of the water vapor which it contains. The invention further relates to equipment for implementing the method. The invention can be used for treating oxycombustion fumes.