精萘的生產主要依賴于工業萘的提純過程，目前常用的生產工藝包括區域熔融法、分步結晶法、催化加氫法和動態結晶法等。其中，分步結晶法和動態結晶法因其高效性和低能耗的特點，成為近年來研究的熱點。例如，乳化結晶法通過使用特定的乳化劑和輔助劑，能夠有效提高精萘的產率和質量，實驗表明其產率可達到90%以上。

The production of refined naphthalene mainly relies on the purification process of industrial naphthalene. Currently, commonly used production processes include regional melting method, stepwise crystallization method, catalytic hydrogenation method, and dynamic crystallization method. Among them, the stepwise crystallization method and dynamic crystallization method have become hot research topics in recent years due to their high efficiency and low energy consumption. For example, the emulsion crystallization method can effectively improve the yield and quality of refined naphthalene by using specific emulsifiers and adjuvants, and experiments have shown that its yield can reach over 90%.

除了傳統的物理方法，化學方法如催化加氫法也在不斷優化。該方法通過在催化劑的作用下，將工業萘中的雜質轉化為易于分離的副產物，從而提高精萘的純度。近年來，研究者還嘗試將動態結晶與靜態結晶相結合，以進一步提升精萘的生產效率和產品質量。

In addition to traditional physical methods, chemical methods such as catalytic hydrogenation are also constantly being optimized. This method improves the purity of refined naphthalene by converting impurities in industrial naphthalene into easily separable by-products under the action of a catalyst. In recent years, researchers have also attempted to combine dynamic crystallization with static crystallization to further improve the production efficiency and product quality of refined naphthalene.

隨著技術的不斷進步，精萘的生產工藝正朝著更高效、更環保的方向發展。未來，隨著新技術的推廣應用，精萘的生產成本將進一步降低，同時其產品質量也將得到進一步提升，為下游產業提供更優質的原料支持

With the continuous advancement of technology, the production process of refined naphthalene is developing towards a more efficient and environmentally friendly direction. In the future, with the promotion and application of new technologies, the production cost of refined naphthalene will be further reduced, and its product quality will also be further improved, providing higher quality raw material support for downstream industries

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