Qin Qian paused, glanced at her father, Qin Xiang nodded to her, indicating that she should speak with peace of mind, and then said with a sigh, "The downside is that biogas is flammable, so it cannot be exposed to open flames. Also, if the construction is not well sealed or it is used improperly, it is easy to leak and cause poisoning, and in severe cases, it can explode. It also requires regular cleaning and maintenance, which requires experienced people to do. Your Majesty needs to train people who can do maintenance and cleaning."
The hall fell silent as everyone pondered the situation. There was danger, but the benefits outweighed the risks. After some thought, the Emperor asked, "What materials are needed to build a biogas digester?"
Qin Qianlu thought for a moment and replied, "Both cement concrete and red clay are fine. Red clay is adobe clay, and it works better. That's what we use on this farm."
The Emperor nodded upon hearing this, and was about to instruct the Ministry of Works to learn from Qin Qianluo when he heard 001's soft, childlike voice.
"Luo Bao, we mainly use black membrane biogas digesters; only the houses use red clay ones."
Upon hearing this, Qin Qianluo thought helplessly, "001, this technology doesn't exist in this era. Black membrane biogas digesters require geomembranes and PVC pipes, and we haven't even fully understood steel yet. It's too early to bring these out; it's better to use what we already have. And I already have to figure out how I know this. If we add a black membrane biogas digester, I'll be treated like a monster, captured, and burned."
Upon hearing this, 001 realized what was happening and disagreed with the last sentence, saying, "Anyone who dares to burn the treasure, this system will blow them up!"
Qin Qianlu had no choice but to comfort 001. 001 was good in every way, except that no one could treat her badly, not even in a metaphorical way. Thinking of this, a warm feeling welled up in her heart. It always unconditionally favored her.
After hearing this, everyone realized that it was indeed true. However, when they heard that childish voice say that someone was going to be blown up, they still twitched their lips. Don't worry, no one would dare to burn Little Master Qin. They are too busy taking care of him.
The Emperor's lips twitched, and he felt inexplicably at ease. It wasn't just about blowing me up; those things about membranes and tubes were indeed too profound and unsuitable for his dynasty. He decided to take it one step at a time. After thinking for a moment, he decided to ask about the source, otherwise the Qin family girl would become suspicious. So he asked, "How did you, Little Qin, know these things?"
Upon hearing this, Qin Qianluo paused in comforting 001, thinking that she had indeed asked. She closed her eyes briefly and replied, "Your Majesty, I enjoy reading books in my daily life. I happened to read something in a strange book and wrote it down, but that strange book can no longer be found."
After saying that, he thought to himself, "I can't find the strange book. Don't ask me where it is. I can't make this up anymore. This is too much for me."
The Emperor's lips twitched again, and he nodded, saying, "Records such a wondrous thing; it truly is a remarkable book. It's a real pity it's lost. Then, I'll trouble Minister Qin to teach the Ministry of Works the construction methods. I will order people to widely use it and also to carefully guard it. Can this method be applied to all regions?"
Qin Qianlu thought for a moment and replied, "It is suitable for the southern region. The winters in the north are too cold, so it is more suitable for things like heated brick beds, heated walls, and underfloor heating. The temperature in the south is more suitable."
The Emperor nodded upon hearing this, having already made a plan in mind: "Very well, then we will use biogas digesters in the south and heated brick beds, heated walls, and underfloor heating in the north. The people of the Ministry of Works should learn from Minister Qin as soon as possible."
The Minister of Works and Qin Qianlu bowed and said, "Your subject obeys the decree."
After the Emperor made the arrangements, dinner was also prepared. After asking the Emperor, Qin Qianluo had the servants serve the food. Halfway through the meal, an official asked in surprise, "What seasoning is used? There is no bitterness at all."
Upon hearing this, Qin Qianluo paused, her chopsticks still in her hand. She belatedly realized that privately manufacturing salt was now illegal, and hesitated, unsure how to respond. Seeing Qin Qianluo's wavering gaze, the official realized he had made a mistake and looked anxiously at Prime Minister Qin. Prime Minister Qin glared at the man, then looked at the Emperor. The Emperor nodded slightly, and Prime Minister Qin breathed a sigh of relief. Seeing the Emperor nod, Su Jinyun picked up a piece of food and placed it in the official's bowl, saying leisurely, "It's probably a chef's family secret recipe, which even Lord Qin may not know. If you find it delicious, then eat it quickly."
The official nodded hurriedly, lowered his head to eat, and dared not speak. Qin Qianluo saw that Su Jinyun had helped her out of the predicament and smiled at her. Out of the corner of her eye, she saw that the emperor did not suspect anything and breathed a sigh of relief.
While shoveling food into his mouth, he chatted with 001, "001, I think I forgot to give the salt recipe to my dad. We almost got caught producing salt on our own."
001 didn't care; no one knew Luo Bao could refine salt anyway. "It's alright, Luo Bao. I'll give you the same thing tomorrow. Nobody knows you can do this, so don't worry."
Qin Qianlu sighed helplessly, "The law is above all else. I overlooked it. Luckily, no one noticed. I need to give my father the recipe for refined salt as soon as possible, and give him the sugar too. Otherwise, if I forget again and suddenly bring out the sugar, it'll cause trouble."
001 responded, "Okay, Luo Bao, I'll print it right now."
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