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化学溶剂法Chemical solvent method（）

A、采用某种溶于水的溶剂和酸性气体（H2S、CO2）反应生成“复合物”。"Complex" is formed by reaction of some water-soluble solvent and acidic gas (H2S, CO2).

B、溶剂以化学结合的方式“吸住”酸性组分——净化；The solvent "absorbs" the acidic component in a chemically bonded way -- purification;

C、“吸住”酸性组分的富液因温度上升和压力下降，“复合物”分解放出酸性组分——溶液再生。As the temperature rises and pressure drops, the "complex" decomposes and releases the acidic component -- solution regeneration.

D、烷基醇胺法: 一乙醇胺法（MEA），改良二乙醇胺法（SNPA－DEA法），二甘醇胺法（DGA法），二异丙醇胺法（ADIP）/Alkyl alcohol amine method: monoethanolamine method (MEA), modified diethanolamine method (snpa-dea method), diethylene glycol amine method (DGA method), diisopropanolamine method (ADIP method)

E、碱性盐溶液法: 改良热钾碱法/Basic salt solution method: modified hot potassium alkali method

提问人：网友zq39879467 发布时间：2022-01-07

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Remittance is a kind of forward transfer payment method.()

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第3题

He had five children to raise, ______ he had to work long hours every day.

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People tend to ignore the delayed effects of to chemicals because the danger doesn’t become apparent immediately.()

A.exposure

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第5题

The cause of any Russian fighting for his hearth and _____________ is the cause of free men and free peoples in every quarter of the globe.

A、land

B、house

C、home

D、yard

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第6题

二异丙醇胺法（DIPA）Diisopropanolamine method (DIPA)：（）

A、吸收剂——25～30％(wt)的二异丙醇胺水溶液Absorbent - diisopropanolamine solution of 25 ~ 30% (wt)

B、脱硫情况：与一乙醇胺大致相似，可以脱除部分有机硫化物，在CO2存在时对H2S吸收有一定选择性，腐蚀性小，胺损失量小，蒸汽消耗较一乙醇胺法小。Desulfurization: similar to monoethanolamine, it can remove some organic sulfide, and has a certain selectivity for H2S absorption in the presence of CO2. It is less corrosive, less amine loss, and less steam consumption than monoethanolamine.

C、应用：主要用于炼厂气脱硫Application: mainly used in refinery gas desulfurization

D、以上都不对

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第7题

改良二乙醇胺法（SNPA－DEA法）Application: this method is widely used in desulfurization（）

A、吸收剂—25～30％(wt)的二乙醇胺水溶液Absorbent - 25 ~ 30% (wt) diethanolamine solution

B、脱酸气情况：适用于高压、高酸气浓度、高H2S/CO2比值的天然气净化，当H2S分压达到4kg/cm2，比MEA法经济。Deacidification gas: it is suitable for gas purification with high pressure, high concentration of acid gas and high H2S/CO2 ratio. When H2S partial pressure reaches 4kg/cm2, it is more economical than MEA method.

C、蒸发损失小，腐蚀性小，所需再生热量少。Evaporation loss is small, corrosion is small, the need for regenerative heat.

D、以上都不对

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第8题

改良热钾碱法Improved hot potassium alkali method：（）

A、吸收剂:20～35％的碳酸钾溶液中加入烷基酸胺和硼酸盐活化剂。Absorbent: add alkyl amine and borate activator to 20 ~ 35% potassium carbonate solution.

B、脱酸气情况：适用于含酸气8％以上，CO2/H2S高的天然气净化，压力对操作影响较大，吸收压力不宜低于20kg/cm2。Deacidification gas: it is suitable for the purification of natural gas containing more than 8% acid gas and high CO2/H2S. The pressure has a great influence on the operation, and the absorption pressure should not be less than 20kg/cm2.

C、应用：合成氨厂用此法脱CO2。Application: this method is used to remove CO2 in synthetic ammonia plant.

D、以上都不对

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第9题

乙醇胺法工艺特点与流程Process characteristics and flow of ethanolamine method优点Advantage：（）

A、适用范围广wide range of application

B、溶液吸收能力强、脱硫程度高The solution has strong absorption capacity and high desulfurization degree

C、溶液反应性强，酸性负荷最大，易于再生Solution reactivity, acid load is the largest, easy to regenerate；

D、溶液稳定性强，不易变质The solution is stable and not easy to deteriorate

E、易于实现自动化控制，降低工人劳动强度Easy to realize automatic control and reduce labor intensity。

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