The chemical plants Lin Hai saw had all been relocated and rebuilt. After all, no one would have thought that a mere sulfuric acid plant would cause such severe pollution.
Lin Hai's favorite pastime was sitting on the city wall, watching the distant chimneys of the Qinghe Industrial Zone billowing black smoke. Although such a scene would have been punishable by death in the past, in this world, it became the foundation of Lin Hai's life.
"Every country has taken the old path of first polluting and then controlling the pollution. It seems that I am no exception. Now I really can't take care of things like environmental protection. Let's leave it at this for now." This is the final psychological preparation that Lin Hai gave himself regarding pollution.
Having not seen Wang Maoduan for a long time, Lin Hai discovered that this man was no longer wearing a Taoist robe.
Although Wang Maoduan was also a captured prisoner, he was indispensable for the initial refining of sulfuric acid, so he could only be guarded and used, and his treatment was much better than that of ordinary prisoners. However, with the continuous improvement of the acid-making process, Lin Hai discovered that this Taoist priest was indeed talented in chemical engineering, and gradually promoted him to become the technical director of the chemical plant. Although there were still two people "protecting" him closely and the regulations that he could not leave the factory, if you ignore these two people, Wang Maoduan's treatment was no different from that of other factory managers.
"Your subordinate greets the magistrate." It seems that Wang Maoduan is well-informed.
Looking at the former Taoist priest who had already fluently called himself "subordinate", Lin Hai laughed dumbly and said, "No need to be so formal. You have done this well, which is better than anything else. Come on, show us what you have achieved during this period of time."
"Sir, please look, this is the third-generation tower sulfuric acid production system we developed." After a long period of study, Wang Maoduan has become able to speak more fluently.
"We use the lead chamber method to produce sulfuric acid. Simply put, the gas produced by burning sulfur is mixed with a large amount of air and water vapor, and then passed into a lead chamber to turn it into sulfuric acid. It does not require any special materials and is the simplest method we can find."
Wang Maoduan pointed to a pile of jars, larger at the bottom and smaller at the top, and continued, "Originally, we used the jars that ordinary people use to make pickles and pickles. We used hammers and wedges to drill holes in the jars, connected them with ceramic pipes, and sealed the joints with molten lead. We then connected five of these jars with lead pipes. We called these five jars a tower. Then, we just had to channel the sulfur gases into it to make sulfuric acid. However, while this method worked, the sulfuric acid produced often contained a lot of impurities. While the output increased, the purity was far from satisfactory."
Although Wang Maoduan still looked timid, he seemed to have changed completely when he talked about the production of sulfuric acid. His whole aura was different, and Lin Hai nodded repeatedly when he saw it.
"Later, it was the technicians you sent and my fellow apprentices who came up with the idea. We tried many times, and finally, with the help of the glass factory, we fired a special jar. It's like what you see now. The cylindrical jar mouth gradually narrows to a small opening, with a pipe opening at each shoulder. We stacked four jars side by side, with a hole in the middle, to form a large tower. Nine such towers were connected in series with thick glass tubes. The front and back towers were filled with acid-resistant porcelain tiles. The auxiliary equipment was also increased in size accordingly. The acid produced in this way, after distillation and concentration, yields pure white, transparent sulfuric acid."
Wang Maoduan proudly introduced, "Look, with more than a dozen of these towers operating simultaneously, you can get as much sulfuric acid as you want. If the sulfur supply increases, we can also increase production accordingly. It's just a matter of building a few more towers."
Lin Hai was rarely so happy. As soon as he raised his hand, Wang Maoduan wisely put his shoulder under Lin Hai's hand. Well, having such a sensible and capable subordinate really makes people happy.
"You've done well, but you're right. The sulfur supply needs to increase, and you must continue to boost sulfuric acid production." Lin Hai smiled and said, "Tell me what reward you want. I'll consider it."
"I have no other requests. I will make the best of it now that I am here. My Lord, you have taken such good care of me. I have no other requests, but I would like to settle down in Qinghe, marry a wife, have children, and so on."
"Hahahaha, Wang Maoduan, you're still very cunning." Lin Hai laughed and said, "I know what you mean. From today on, you can leave the factory and live in the dormitory area in the industrial zone. I'll allocate you an apartment. Don't worry, it's a solid house made of cement. As for getting married, I don't have one, so I can't help you. But I can give you the salary of a factory director. With this money, you can get a wife and have a lot of children without any problem."
"Thank you, sir. Thank you, sir. I know what I shouldn't ask. I will focus on the production of sulfuric acid. Please rest assured about the output and purity."
"You've done a great job with the sulfuric acid, but you still need to revise the process. The fumes here are so heavy, you can see the workers' clothes are corroded. This not only wastes the sulfuric acid you're producing, but is also harmful to your health. You are all Qinghe's precious treasures and must be protected, so you have to pay attention to this."
After receiving Wang Maoduan's response, Lin Hai went to the nitric acid factory nearby. The nitric acid factory was built later and was more inspired by the sulfuric acid factory's plant construction and technology, so it looks more technological. In Lin Hai's words, "It's already becoming a qualified small handicraft workshop."
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