阅读说明：本技术 一种四乙基氢氧化铵的制备方法 (Preparation method of tetraethyl ammonium hydroxide ) 是由 *** 梁煜 沈加春 张礼军 于 2019-10-30 设计创作，主要内容包括：本发明属于化合物制备领域,具体涉及一种四乙基氢氧化铵的制备方法。通过电渗析设备：从阴极到阳极的组装结构如下：阴离子交换膜AM1、阳离子交换膜CM1、阴离子交换膜AM2、阳离子交换膜CM2,以此构成阴极室、产物室、料液室、酸液室、阳极室；由原料四乙基铵盐制成四乙基氢氧化铵,该方法制备过程简单,反应温和、更安全,能耗少,氯离子杂质大幅下降,质量高,副产物处理简单,安全环保。(The invention belongs to the field of compound preparation, and particularly relates to a preparation method of tetraethyl ammonium hydroxide. Passing through an electrodialysis apparatus: the assembly from cathode to anode is as follows: the anion exchange membrane AM1, the cation exchange membrane CM1, the anion exchange membrane AM2 and the cation exchange membrane CM2 form a cathode chamber, a product chamber, a feed liquid chamber, an acid liquid chamber and an anode chamber; the tetraethylammonium hydroxide is prepared from the raw material tetraethylammonium salt, and the method has the advantages of simple preparation process, mild reaction, safety, less energy consumption, great reduction of chloride ion impurities, high quality, simple byproduct treatment, safety and environmental protection.)

1. A preparation method of tetraethyl ammonium hydroxide comprises the following steps:

(1) preparing an electrodialysis device: the assembly from cathode to anode is as follows: anion exchange membrane AM1, cation exchange membrane CM1, anion exchange membrane AM2, cation exchange membrane CM2, constitute cathode chamber, product chamber, feed liquid chamber, acid liquid chamber, anode chamber with this.

2. The method for preparing tetraethylammonium hydroxide according to claim 1, wherein in step (1), the cathode and the anode are iridium-tantalum coated titanium electrodes.

3. The method of claim 1, wherein the anion exchange membrane is an AHT membrane or an ASV membrane.

4. The method for preparing tetraethylammonium hydroxide according to claim 3, wherein the anion exchange membrane AM1 is an ASV membrane; the anion exchange membrane AM2 is an AHT membrane.

5. The method of claim 1, wherein the cation exchange membrane is an OCM membrane or a CMV membrane.

6. The method of claim 5, wherein the cation exchange membrane CM1 is an OCM membrane; the cation exchange membrane CM2 is a CMV membrane.

7. The method of claim 1, wherein the solution in the cathode compartment is sodium hydroxide or potassium hydroxide, and the mass fraction of the sodium hydroxide or sodium hydroxide solution is 10 to 15%.

8. The method according to claim 1, wherein pure water is introduced into the product compartment and the acid compartment.

9. The method of claim 1, wherein the solution in the feed chamber is a tetraethylammonium salt; wherein the mass fraction of the tetraethylammonium salt is 1-3%.

10. The method of claim 1 wherein the solution in the anode compartment is sulfuric acid; the mass fraction of the sulfuric acid is 10-15%.