Whales can provide a lot of oil, and oils can be used to refine glycerin.

In the past, when Gongsun Kang was making soap, he had a large stone pool built to load the waste liquid left over from making soap. Soon it was full, and a second and third pools were built continuously, and glycerin could also be extracted from these waste liquids.

The pool couldn't fit it, so Gongsun Kang let people filter it. The wastewater with alkaline sediment removed is pale yellow and smelly. Slowly pour the stinky water into the filter that has been prepared long ago. After a while, water gushed out from the thin tube at the bottom of the pool, and it was surprising that it was not yellow water, but a clear and transparent liquid!

This is the glycerol stock solution.

The glycerin stock solution is distilled in an iron pot for making liquor, and the condensed liquid is not glycerin, but water. Because glycerin has a higher boiling point than water, pure glycerin can be obtained by heating sweet water containing glycerin to 100 degrees and evaporating the water.

Glycerin has many functions, and the simplest way to use it is as an additive to fruit wine.

The fruit wines of this era were bitter and astringent because all fruits contained a substance called tannins. Tannins do not break down and remain in the liquor, which is the source of all the bitterness and astringency in the fruit.

Tannins are good and beneficial for the prevention of cardiovascular diseases. Tannins are also the soul of red wine, and the amount of tannins can determine the flavor, structure and texture of the wine. Red wines lacking tannins have a light texture and do not have a thick feel. However, the tannin content is too much, and the resulting fruit wine tastes bitter and astringent, which is extremely unpleasant.

Tannins can be softened over time. In the long years of aging, the tannins will gradually become soft, from rough to fine, and then the drink will feel mellow and smooth, and the "astringency" will be just right.

At the end of the Han Dynasty, the poorly clothed people naturally did not have any leisure to taste the "astringency" that knocked the benefits, and they only liked to drink sweet wine.

Glycerin, on the other hand, breaks down the tannins in the fruit and keeps them in the right ratio. It makes the fruit wine warm and sweet, and greatly improves the quality and taste of the fruit wine.

Therefore, in later generations, red wines with strong tannins are particularly suitable for oily and high-protein substances (such as steak, cottage cheese, roast goose, roast duck, braised pork, etc.). Because the tannin molecule has a negative charge, and the protein molecule has a positive charge, when the negative charge of the tannin molecule of red wine meets the positive charge of the protein of the steak, the tannin will dissolve the oiliness and quickly soften and soften, this "chemical reaction" will make people's mouth feel very comfortable and pleasant.

Having said that, now Zhen Jiang has a by-product glycerin to make soap, which is used as a sweet fruit wine additive. Liaodong also has one more business variety: selling fruit wine.

But how to turn glycerin into explosives: nitroglycerin, still needs professionals to figure out.

The conditions were ripe, Gongsun Kang didn't want to drag it out any longer, and after returning to Liaodong, he immediately found Zhang Huaiyuan. Let him organize the manpower and try to make explosives: nitroglycerin.

Shouldn't I look for the Mo family? A special research institute was set up to study the development of civilian and military products on a daily basis. Recently, Gongsun Kang has often pondered about this matter. It's a pity. At the end of the Han Dynasty, the Mo family had died out, and they couldn't find it.

In Liaodong, I did happy things with Zhen Jiang and Diao Chan for a few days. Someone came to visit. The person who came was Mi Zhu of the Mi family.

The four major merchants in the late Han Dynasty: the Zhen family, the main economic pillar of Yuan Shao.

The Mi family, Liu Bei's main economic pillar.

The Wei family, Cao Cao's main economic pillar.

The main economic pillars of the Lu family, Sun Ce, and Sun Quan.

At this time, Liu Bei was still an unknown nobody. Mijia is a business firm in the world, of course, it will not let go of Liaodong. In the past year, the Mi family's branch in Liaodong has seen its business volume grow more and more. Therefore, Mi Zhu, the head of the Mi family, specially came to visit Gongsun Kang, hoping to get more cooperation.

The word elk is Zhong, graceful and generous, honest and elegant. At first glance, he is an honest gentleman and a very reassuring person. This is the style of big business.

Gongsun Kang met him very formally and said very enthusiastically: "I have long heard of Zizhong's name, and the Mijia Chamber of Commerce is open all over the world, and I am also looking forward to more cooperation with you." ”

Mi Zhu sent a box of pearls and eight pairs of white jade. said: "Gongsun Gongzi's reputation is resounding all over the world, and the world knows that Gongsun Gongzi is brilliant and ambitious. I don't know how our Mijia Chamber of Commerce should work for Childe. ”

Gongsun Kang laughed. "Mi Gong is too modest, we are equal trade, and we don't need to say anything effective.

We only need food in Liaodong, and everything else can be self-sufficient. Our current products are table salt, soap, war horse, ironware, ginseng, wood, high liquor, sweet fruit wine.

What kind of transaction does Mi Gong want to make? ”

Mi Zhu is an honest man, he said: "As far as grain is concerned, our Mi family's trading volume is the first in the world, and the Zhen family is not as good as us." We all want these products, I don't know if I'm too greedy? ”

Gongsun Kang laughed again, honest children also have times when they are not modest, but Mi Zhu is telling the truth, in terms of food, the Mi family is the biggest grain merchant in the world. Because the Mi family is a big landlord in Xuzhou, they sell the grain grown by their own family. And the Zhen family is a trader, they buy grain and sell it to Liaodong.

Gongsun Kang also showed his strength, he said: "The biggest loss of grain lies in transportation, and Mi Gong can trade with us anywhere in Qingzhou to barter goods." ”

If the grain is transported to Liaodong by Mijia and taken by land, the price will rise by 3 times, and there is no way, the loss is too great. But Qingzhou is next to Xuzhou, and the loss is negligible, so you can get a cheaper price.

The strength shown by Gongsun Kang is: Qingzhou is actually my territory, and I guarantee your safety!

In fact, Gongsun Kang's plan was: half of this grain was reserved for the Qingzhou Yellow Turban Army. Now there are about 200,000 Yellow Turban Army in Qingzhou, and the person behind the Yellow Turban Army is Gongsun Kang. The remaining 600,000 Yellow Turban Army brought their families and dragged the old and the young, and their combat effectiveness was not as strong as the 200,000 Yellow Turban Army controlled by Gongsun Kang.

The two finalized a general cooperation intention: all products in Liaodong are open to Mijia and give Mijia a franchise in Xuzhou. The Mi family provided grain, and the two sides delivered it in Beihai, Qingzhou.

As for the specific details, of course, the following stewards will discuss in detail.

Gongsun Kang set up a banquet to entertain Mi Zhu, and he didn't say anything to solicit him. Mi Zhu is actually not good at strategy, nor does he know military command, although the Mi brothers are familiar with bow horses and are good at riding and shooting.

Mi Zhu's younger brother Elfang is a pit goods. Lü Meng attacked Jingzhou, and Elfang surrendered the city, resulting in the defeat and death of Guan Yu's soldiers.

Mi Zhu's sister is a beauty, but Gongsun Kang has little desire for her, because she can't change the course of history.

Let's be a business partner with Mijia.

Thinking of Mrs. Mi, Gongsun Kang thought of Da Qiao and Xiao Qiao, these are beauties that his wife Cao Du never forgets. "The second bridge is in the southeast, and the joy is shared day and night."

The current big Joe and Xiao Joe should be less than 10 years old, and they are still little Lori. But don't think that little Lori is not dangerous. "Cao Cao is a good wife, Dongwu is a good Lori." A few years later, Sun Ce and Zhou Yu broke through Anhui City and snatched Da Qiao and Xiao Qiao as concubines. At that time, Sun Ce and Zhou Yu both had wives. Sun Ce also shamelessly said: "Although the two daughters of Qiao Gong are displaced, it is enough to be happy to have the two of us as sons-in-law."

Sun Ce and Zhou Yu can grab it, but they can't grab it alone? Gongsun Kang expressed dissatisfaction.

He was going to send a few armor soldiers to infiltrate Wancheng in a few years, and once Sun Ce and Zhou Yu attacked Wancheng, they would snatch Da Qiao and Xiao Qiao back first.