What is the reaction method of Flue Gas Desulfurization?
The basic principle of Flue Gas Desulfurization is the acid and base neutralizing reaction. From the reaction methods, it could be divided into the following categories: 1. ** Wetting Flue Gas Desulfurization Technology **: It is a gas-liquid reaction with fast reaction speed, high efficiency, and high utilization rate of desulphurizer. 2. ** Dry Flue Gas Desulfurization Technology **: It is a gas-solid reaction. Compared to the wet Flue Gas Desulfurization System, the equipment is simple, the area occupied is small, the investment and operation cost are lower, the operation is convenient, the energy consumption is low, the product is easy to dispose of, and there is no sewage treatment system. However, the reaction speed is slow and the sulfur removal rate is low. 3. ** Semi-dry Flue Gas Desulfurization Technology **: Including spray drying method, semi-dry and semi-wet method, powder particle spouted bed Desulfurization, chimney spray Desulfurization, etc., combining some characteristics of wet and dry methods. Read more exciting novels for free
Reaction Formula and Phenomenon of Desulfurization in Refining
1. **饱和类含硫化合物（硫醇、二硫化物和硫醚）** - 反应方程式：在加氢精制条件下，\(C - S\)直接裂化成饱和烃和硫化氢（以硫醇\(C_{2}H_{5}SH\)为例）\(C_{2}H_{5}SH + H_{2}=C_{2}H_{6}+H_{2}S\)。 - 现象：饱和类含硫化合物较容易脱除，在加氢精制过程中，在催化剂和氢气的作用下，\(C - S\)键断裂，生成相应的饱和烃和硫化氢气体。 2. **噻吩** - 反应方程式： - 直接加氢氢解脱硫路径：\(C_{4}H_{4}S + 4H_{2}=C_{4}H_{10}+H_{2}S\)（产物为丁烷和硫化氢）; - 先加氢饱和后加氢氢解脱硫路径（最终产物同样为丁烷和硫化氢）。 - 现象：噻吩在加氢精制过程中，通过两种路径进行加氢脱硫反应，最终都转化为丁烷和硫化氢，在反应过程中，需要在适宜的温度、压力、催化剂等条件下，使噻吩中的硫原子以硫化氢的形式脱除。 3. **苯并噻吩** - 反应方程式：苯并噻吩经过加氢脱硫后产物主要含有乙苯和少量的二氢苯并噻吩，最终产物为乙苯和硫化氢，但具体反应历程较为复杂。 - 现象：在加氢精制反应条件下，苯并噻吩逐步反应，最终生成乙苯和硫化氢，反应过程中，分子结构发生变化，硫原子逐步被脱除。 4. **二苯并噻吩** - 反应方程式： - 直接加氢氢解路径和先加氢饱和后加氢氢解路径（以直接加氢氢解路径动力学反应速率更快），最终产物为乙苯和硫化氢。 - 现象：在加氢精制反应体系中，二苯并噻吩在催化剂作用下，按照相应路径进行反应，将分子中的硫以硫化氢形式脱除，转化为其他产物。 <a href="/?from=ask_words" style="color:red" target="_blank">点击前往免费阅读更多精彩小说</a>
Method of Liquefaction of Gas
Based on context alone There were two main ways to liquify gases: 1. Lowering the temperature: By lowering the temperature, the thermal motion of the gas molecules can be weakened, and the distance between the molecules can be reduced, thus causing the gas to be liquefied. For example, under standard atmospheric pressure, when water vapor is cooled to 100 ° C, the water vapor will be liquefied into liquid water. 2. Compressed volume: At a certain temperature, by compressing the volume of the gas, the distance between the gas molecules can be reduced, thus causing the gas to be liquefied. For example, when the nitrogen gas at room temperature was compressed to a certain degree, it would be liquefied into liquid nitrogen. The novel " Watching the Moon on Fish Island " is equally exciting. Everyone is welcome to click and read it!
Gas Liquefaction Method
There were two main ways to liquify gases: one was to lower the temperature. As long as scientific conditions allowed, any gas could be liquefied when the temperature dropped sufficiently. The second was to compress the volume. Some gases could be liquefied by compressing the volume at room temperature. However, gases such as hydrogen and nitrogen had very low critical points. They had to be deeply cooled to be liquefied while being compressed. The novel " Watching the Moon on Fish Island " is equally exciting. Everyone is welcome to click and read it!
Reaction of Bromine Gas and Water
The water contained Cl2, and since Cl2 was more oxidiser than Bromine, Bromine gas and Cl2 did not react. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The gas produced by the electrolysi is a 1:2 reaction
In the water electrolyser reaction, water is electrified to produce hydrogen and oxygen. The chemical equation of the reaction is: 2H2O electrified = 2H2 +O2. According to the chemical equation, the ratio of the amount of substances produced by the reaction to hydrogen and oxygen was 2:1. Under the same conditions, the ratio of the volume of gases was equal to the ratio of the amount of substances. Therefore, the volume ratio of hydrogen and oxygen produced by the electrolysation of water was 2:1, which was in line with the reaction of 1:2. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The reaction of turning a solid into a gas
The process of turning a solid state into a gas state was called sublimation. It was a phase change process. For example, when solid iodines were heated up, they would turn into iodines vapor, mothballs would become smaller, ice would turn into water vapor, the tungsten in the light bulb would sublimate, and dry ice would turn into gaseous carbon dioxide. These were all sublimation reactions. In addition, in chemistry, sublimation was the process of changing a substance from a solid state to a gas state without going through a liquid state. The reverse process was sublimation. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Disadvantages of Gas Phase Reaction
Different gas phase reactions have different drawbacks. The following are some common drawbacks related to gas phase reactions: 1. In the gas-phase reaction of the thermal decomposition of biological matter, the process of converting biological matter into bioenergy mainly relied on experimental methods and one-dimensional conversion kinetic models for research. The development of computational fluid dynamics (computational fluid dynamics) models was relatively lagging behind, and the research progress of integrating thermal decomposition kinetic into the computational fluid dynamics model was slow, making it difficult to accurately simulate the complex actual process. 2. For gas analysis methods such as gas chromatograph, the sample must be vaporized. It was not suitable for most of the compounds with high boiling points and thermal instability. It was even more difficult to analyze substances with strong corrosive properties and reaction properties. Only about 15% - 20% of organic substances could be analyzed by gas chromatograph. 3. In the gas-phase metathesis reaction of the cyclohexane, there are disadvantages such as the reaction product causing harm to the environment, the huge investment due to the corrosiveness of the starting materials and the reaction product, the high energy consumption cost, and the difficulty in preparing the product for production. 4. The chemical vapor depositions usually operate at high temperatures, where many of the matrixes are not thermal stable and require highly toxic and dangerous chemical precursors with high vapor pressures. The disposal of the toxic and corrosive by-products of the chemical vapor depositions is expensive, and safety issues may arise during processing. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Reaction equation of the reaction between the hydrogen and the hydrogen gas
The chemical equation for the reaction of a halo gas (such as Cl2 <anno data-annotation-id ="cdf3c12 - 4c10 - 4c10 - 4c10 - 9c1111111124"> Cl2 </anno>) with a solution of NaClO </anno> is: The chemical equation for the reaction of Bromine and Iodine at room temperature with a solution of NaOx at room temperature is X <2>+2NaOx = NaX + NaOx + H <2> O <3>(X <3> represents either Bror I <3>). <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
What are the products of gas-solid reaction?
Gas-solid reactions were divided into gas-solid catalyst reactions and gas-solid non-catalyst reactions. In a gas-solid non-catalyze reaction, as the reaction progressed, the solid reagent was gradually consumed, and a solid product was formed on the surface of the solid reagent. Different gas-solid reactions will produce different products. For example, in the gas-solid phase photocatalysis reaction process, the thin layer of g-C3N4 will rapidly self-decompose, and the products include CO, CO2, NO2, and NO2-/NO3-. When the gas-solid reaction is used to solve the interface problem of the sulfur solid solute, the reaction of oxygen, hydrogen, etc. with the sulfur solid solute will produce gaseous products, but the specific gaseous product name is not clear. In addition, reactions such as the decomposition of iron, the combustion and vaporizing of carbon, the reaction of sulfur dioxide with calcium and calcium dioxide, the removal of hydrogen Sulphur from metal compounds, and the reduction of metal compounds were also gas-solid reactions, but the specific products needed to be determined according to the specific reaction. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Reaction of Fluoric Gas with Absolute Alcohol
Absolute alcohol could be reacted with hydrogen, but the product was more complicated. If the reaction was not well controlled, the hydrogen and alcohol vapor might explode. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>