"Why have I never heard of turning stewed salt into edible salt?" Uncle Fu asked questioning after hearing that Li Yu could make salt.

"Actually! All things in this world are mutually reborn and restrained. As long as you find the right and appropriate method, all things in this world can be used by people. It is just a method that can be made into salt by removing poison." Li Yu talked about the truth of the world, and then talked about salt making disdainfully. As long as people who have studied chemistry in later generations do not know this principle.

After hearing Li Yu's words, Uncle Fu asked excitedly: "So, do you know how to transform the salt that can be eaten out of the brine?"

"Two words, simple! Three words, very simple!" Li Yu saw Uncle Fu's excited appearance, without being pretentious, and directly told him that it was easy to make salt.

Uncle Fu was even more excited when he heard Li Yu's words with confidence. He was excited and kept talking to himself: "The lady's dilemma can finally be solved this time, and he doesn't have to be threatened by that bastard..."

"Li Yu thought that keeping you was the most correct thing that the lady and I did." After Uncle Fu said that, he rubbed his hands straight without knowing where to put them to show his excitement at this time.

Seeing Uncle Fu's excited appearance, Li Yu finally found a product that can make money quickly. Isn't this salt the best product? That person doesn't eat salt? Can that person leave salt?

"Uncle Fu, is salt very scarce in the market now? The salt making technology is not complicated!" Li Yu asked in confusion without understanding the situation of this era.

Fu Bo sighed and said, "The world has been in chaos in recent years, and there are many bandits. Ordinary merchants dare not transport salt for a long distance. Otherwise, they will be robbed by those bandits after they are out of the place. Only those strong merchants have the ability to transport salt from Shandong and the grassland for a long distance. However, the price is not affordable for the people. With jealous cloth seasonings, do you think the people's health will be better if they continue?"

"So that's the case! It seems that these salts should be made, otherwise the people's lives will be too hard, and it just solved Li Xiuning's problem. You can let Chai Shao wash and go to bed!" Li Yu's eyes flashed.

Li Yu lamented that the lives of the people of this era were really difficult. If you don’t talk about your life instability, you won’t even say that you can’t eat enough, and you can’t even replenish the salt you need at least.

"Mr. Li, can you really extract the salt from the brine salt?" Uncle Fu was still a little confused and wanted to confirm it again.

"You first prepare the sieve, muslin, charcoal, iron pot... and hand-cranked stone mill. Prepare it for me. When I make the salt, you will know. It's actually very simple." Li Yu did not explain and directly ordered Fu Bo to prepare the salt-making tools.

Uncle Fu was overjoyed after hearing Li Yu's words and immediately found someone to prepare tools. But Uncle Fu was still a little doubtful whether Li Yu could make salt, because this matter was really important to his lady.

…………

Li Xiuning had just returned to the manor and sat on Hu's bench to consider how to solve the problem of money. After thinking for a long time, she had no idea. When she was about to contact Chai Shao, she heard Uncle Fu send someone to inform her that the money was settled.

Li Xiuning was overjoyed when he heard the person who came to report, but immediately frowned again. This is not a small amount. Is there anything else that Uncle Fu can do?

Li Xiuning couldn't believe it, but looked at the sender: "Why are Uncle Fu and Li Yu doing now?"

"They arranged for the soldiers to dig a salt mine by the river, and planned to boil salt in the valley."

When Li Xiuning heard this, she looked puzzled: "What kind of salt is boiled? How can I boil salt without salt well here?"

"I heard they want to boil salt!"

"No one knows that the salt is poisonous, and anyone knows. Let's go and take a look." Li Xiuning was anxious after hearing what he said to deliver the letter and walked out.

...

"Uncle Fu, in fact, our geological environment in China is not short of salt at all. It is not difficult to find salt mines. Why can't our people eat salt?"

"This is stearic salt. The stearic salt is toxic. That person doesn't know, but it can turn into salt that can be eaten. No one of us?" Uncle Fu replied with a smile.

Li Yu waved his hand: "You will see later. You should treat these brine salts as waste, see how I can turn them into treasures and make a fortune."

The tools were ready in a short while, and the tools were very complete. In addition to the sieve for salt making, muslins, charcoal... there were also hand-cranked stone mills. Li Yu glanced over and found that there were quite a few tools needed.

"Uncle Fu, you are optimistic, why do you say that scientific knowledge is the primary productive force?"

"Why haven't I heard this before?" Li Xiuning walked over and asked in question when she heard Li Yu's strange words.

"I just said that you are publishing your high arguments later, and I don't have to explain it to you for the time being." Li Yu ignored Li Xiuning's question and became busy with himself.

Li Yu said to Fu Bo: "It's actually very simple to be optimistic about the process. I'll leave this salt making technology to you in the future."

Li Yu picked up a small hammer and carefully smashed the large salt mine into small particles, about ten pounds, and poured the salt mine onto the stone mill. He used his own actions and shook the stone mill and turned it around. The brown-red ore powder overflowed from the edge of the stone mill.

After grinding all the salt ore into powder, then put the ore into the wooden barrel, add water, stir with a wooden stick, so that the salt can be fully melted into the water. When the solution is saturated, pour it into another wooden barrel covered with fine cloth. After filtering, the fine cloth is covered with slag and soil. I saw that the solution in the bucket has turned brown, but the solution is still very turbid. I filtered again with fine cloth, and the color has turned brown again. After filtering several times in a row, the solution in the wooden barrel gradually stopped being turbid, and there was no trace of impurities in the salt liquid before I stopped.

"I'm optimistic, the impurities have been filtered, and it's time to get rid of the poison next." Li Yu took a wooden funnel, picked up a hammer and smashed the charcoal. The charcoal can be filtered deeply. Charcoal particles are activated charcoal. It can deeply purify the current brine brine and effectively remove impurities, several harmful substances in the brine salt, and decolorize them.

Wrap the charcoal particles and powder in a few layers of fine cloth and stuff it into the funnel. Squeeze it tightly. Place the funnel on a wooden rack and pour the filtered solution into the funnel. After a while, the light red solution was still filtered and detoxified by the charcoal, and then the light green solution flowed out.

Li Xiuning looked at the color of the salt water, and the brown-red color turned into a blue color. She was full of confidence in making it into salt. She didn't care whether it was clean or not. She dipped it in a little salt water with her hand and put it in her mouth to taste it.

"It's really only salty, not a little bitter." After Li Xiuning said that, she looked at Li Yu excitedly, wanting to hear his explanation, why is the bitter taste in the braised salt gone with such a simple method?

Uncle Fu also took a little salt water and tasted it. He instantly showed an excited expression on his face and exclaimed: "It's really no bitterness, only salty."

Li Yu did not explain to them, and continued the next step, and then put the light green solution into the pot and started to heat and boil.

"Is it really done?" Uncle Fu looked at the solution swelling in the pot, and pinched his face excitedly again, asking in disbelief.

He knew very well how profitable the salt profit is now. If it succeeds, it would be a huge profit!

"Of course, this is not a complicated technique. The salt that is boiled in a while is no different from the green salt. You will see it later." After saying that, he blinked at Li Xiuning.

Uncle Fu shivered, Qingyan, in this era, it is not something that ordinary people can afford. Even wealthy families are reluctant to use green salt every time, just brush their teeth every day. Before the world is in chaos, it costs at least 500 cents per pound. The current price is at least more than doubled. You will know how profitable the salt is now. If it can become a lady's industry, the lady's problem is really nothing. Do you still care about the Chai family in the future?

Heating in a pot will cause the water to evaporate continuously. After evaporation, the brine becomes a salt slurry of half salt and half water. Evaporation and crystallization are the finished salt. However, this salt contains Glauber's salt. If you want to eat salt from later generations in ancient times, it is impossible for the time being. It would be good if you eat salt without poisoning.

Li Yu did not remind him in this way that the official salt I sell is not as good as the salt I made myself. The salt I make now is the big green salt from later generations. If it were industrial salt in later generations, it would be equivalent to fine salt in ancient times.

Li Yu still asked Xiaoling to secretly test Glauber's salt to see if it exceeded the standard. In an instant, Xiaoling's test report came out, slightly exceeded the standard. Only then did Li Yu feel completely relieved. Didn't the ate of big green salt in the later 1960s and 1970s?

The moisture in the pot gradually evaporated, leaving a thick layer of crystal particles with green color at the bottom of the pot.

Li Xiuning broke off a piece from the pot and still said, "Hey! It's really green salt, this is the real salt. Uncle Fu, try it too. Is there any difference between it and other green salt?"

Uncle Fu found a small piece in the pot and put it in his mouth, and then savored it carefully, nodding with satisfaction while savoring it.

Bo Fu Pin Yan said excitedly: "Miss is really green salt, there is no scent at all. This time we recruit soldiers and have money, so you no longer have to beg them."

"Um! Um!..." Li Xiuning kept saying um, "Um!" Tears flowed down her cheeks.

The salt was shoveled out of the pot, about three or four kilograms of salt, and a few kilograms of salt were produced for more than ten kilograms of salt. This is a sign of wealth. Uncle Fu took it over and weighed it, "Four kilograms! A piece of salt mine by the river can produce tens of millions of kilograms of salt?"

"Miss, now we have to block the news. We secretly open a salt-boiling area in the valley. We cannot let others know that it is the salt we made, otherwise we will not be able to solve the money problem and cause great disaster." Uncle Fu did not lose his seclusion because he suddenly solved the money problem, so he still reminded him carefully.

After listening to Uncle Fu's analysis, Li Xiuning immediately said in a controversial tone: "Uncle Fu! Let's do this! In the future, you will manage the production and sales of salt alone?"

"Okay lady! In less than two months, I promise to earn you back, and tens of thousands of troops of supplies will come." Uncle Fu said with great confidence.

Li Xiuning turned around and looked at Li Yu who was solving his own problems, and bowed: "Thank you, the young master, for solving my crisis. Thank you here."

Li Yu waved his hand and ignored it, saying, "I have already said I want to help you, these are nothing."

After saying that, Li Yu had nothing to do next, but turned around and left.

Li Xiuning looked at Li Yu who had left and walked away, and her heart was speechless, but her eyes turned red again.

Note: When I was a child, I ate the big green salt. When I was a child, I was greedy. At that time, there was nothing good to eat. So I took a piece of big green salt from the salt pot at home and put it in my pocket. When I was greedy, I added it and it felt very satisfying.

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Chapter completed!