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What is wet copper smelting?

Hydrometallurgy is relative to pyrometallurgy.

Pyrochemical copper smelting, in simple terms, is to smelt copper ore with wood and other fuels to obtain pure copper.Before the advent of wet copper smelting, people have been using fire copper smelting.

Copper hydrometallurgy, in simple terms, is that after iron is put into copper sulfate, a replacement reaction will occur, and copper will be replaced from the copper sulfate solution.

In nature, there is a natural copper sulfate solution, its name is gall water.

Just put iron in the gallstone ore, and you can get copper, which is much more valuable than iron.There is no need to waste a huge amount of manpower and material resources to mine, nor does it need to consume a lot of wood for fire and smelting.

Surprises are not surprises, surprises are not unexpected?

In fact, the replacement reaction of copper and iron was not discovered by Ge Hong until the Jin Dynasty more than 100 years later.

He recorded in "Baopu Zi Nei Pian? Huang Bai": "Coat iron with Zengqing, and the iron is as red as copper."

As for the real use of wet copper smelting to smelt copper, we can get the Song Dynasty more than 1000 years later.

During the Northern Song Dynasty, there was a man named Zhang Qian who invented a perfect wet copper smelting technique, and within a few years the Zhang family became very rich.Before Zhang Qian died, he dedicated this method to the court of the Northern Song Dynasty.

Because of the extremely low cost and extremely high efficiency of wet copper smelting, once it was promoted, it quickly became popular all over the country.

In the Southern Song Dynasty, the copper produced by wet copper smelting reached more than [-]% of the country's total copper output.

I have to say that the system is simply too considerate. Tong just rewarded Liu Yan with blast furnace ironmaking skills, which can get a lot of iron.

Immediately rewarded Liu Yan's wet copper smelting technique, which can be used to smelt a large amount of iron and obtain a large amount of copper.

These coppers came just in time!

Liu Yan just announced that the land held by the scholars will be redeemed.120 yuan per mu per year, and the redemption is completed in ten years.

This is not a small number.

Dahan's arable land area is about [-] million mu.Excluding Liangzhou, and the remote Youzhou and Jiaozhou, the land controlled by scholars is about [-] million mu.

Because the Yuan family, Kong Ni, Kong Rong and other six princes were deprived of their land, the land Liu Yan wanted to redeem was about [-] million mu.

In other words, Liu Yan has to spend 360 billion yuan a year, or 600 million yuan, to redeem the land.

what does this mean?

Even if the imperial court under Liu Yan's rule can restore the tax collection intensity of the Western Han Dynasty, the total income of the imperial court in one year is only about 6000 million guan.

6000 million, to take out 600 million to buy the land, the pressure is really not small.

With wet copper smelting, it's easy to do.

The smelted copper, after a little casting, is the real copper coin, which greatly reduces the burden of redemption!

And the most important thing!

With so much copper in Liu Yan's hands, plus the gold and silver mines marked on the general map of China's situation, it is equivalent to mastering more than half of the metal currency in the country.

At that time, why does Liu Yan need to pay for it?

With these currencies as reserves, with the court's military endorsement, and with taxation and newspapers as promotional media, the bank will go directly!

In the end, what Liu Yan really paid the scholars was just some printed banknotes!

It can be said that Liu Yan, a great man who has blast furnace iron smelting and wet copper smelting, and supplemented by financial means, will not have to worry about money in 30 to [-] years!

What is this concept?

Money is magical!

The wages of avarice is death!

In the face of excess money, the law is a joke, human life is just a number, even the greatest emperor has to hold his breath!

In fact, since the founding of China, there has never been a time when the emperor was not short of money in all dynasties!

Otherwise, which emperor would not want to be a generation of Mingjun far surpassing Yao and Shun?

How to do a generation of Mingjun?

Just follow the description of The World of Great Harmony, isn’t it enough to govern the country?

There is support for the old, education for the young, support for the poor, support for the difficult, and support for the widowed, lonely, disabled and sick.

It is clearly written in the book:

These are all things that can be solved with money!

But the problem is that the court doesn't have enough money!

In the end, not only did those emperors fail to build a world of great harmony.Moreover, gradually turned into a faint tyrant one by one.

For example, Qin Shihuang built the Great Wall and conscripted a large number of corvees. As soon as he died, the whole world turned against him.

For example, Emperor Wu of the Han Dynasty spent a lot of wealth to attack the Xiongnu, and the whole world complained, so he was forced to issue an edict of guilt.

Another example is that Emperor Huan of the Han Dynasty had to sell his official titles in order to quell the Qiang chaos, and was scolded as a senseless and stupid king.

An emperor who is as comfortable as Liu Yan, who doesn't have to worry about money at all, and who easily realizes the world of great harmony, is simply unprecedented!

How could Liu Yan be unhappy?

Chapter 250 The Most Fantastic in History, the Enthronement Code

Of course, from the rapid increase in steel production to the smelting of a large amount of brass by wet copper smelting, it will take two or three years, and there is no rush to start a bank.

Now Liu Yan's top priority is to open the gift bag!

Liu Yan said again: "Open it for me, kill Qiang King Zhuo Ling, and make a gift bag!"

"Ding dong! Congratulations to the host, you have obtained the sunflower ancestor Dongfang Kui!"

"Ding dong! Dongfang Kui: An eunuch, a peerless genius. With his self-created "Sunflower Collection", he broke through the limits of the human body and reached the realm of martial saints."

Swish!

As soon as the sound of the system fell, a phantom of a beautiful girl dressed in colorful clothes and with skin like agarose appeared in front of Liu Yan.

Liu Yan estimated that the charm of this woman should be around 98 points.Among the beauties in her own harem, only Meixi and Diaochan can surpass her.

The girl gave a little blessing, her voice was like an oriole, and said: "Slave Dongfang Kui, see Your Majesty! Your Majesty has orders, and this servant will obey!"

"This is Dongfang Kui, the sunflower patriarch?" Liu Yan was puzzled, and said, "System, didn't you say that Dongfang Kui was an eunuch? How did she become a stunning girl?"

"Ding dong! Dongfang Kui created his own "Sunflower Treasure", cultivated to the realm of martial arts, broke through the limits of the human body, all things grow, and heaven and man are born. The host can treat him as an eunuch, or treat her as a girl."

"I see! This reward is really good!"

Dongfang Kui, who is in the realm of Wusheng, is still very useful to Liu Yan.

The reason is very simple, since Yuan Shao can refine the elixir of ascending the Tao of Taiping, others may not be able to refine it in the future.

Tong Yuan, Wang Yue and five others may not be the only unrecognizable warriors in the world.

The realm of martial saints is too terrifying, and it is difficult for ordinary people to resist.Liu Yan would not be afraid if another Wushuang fierce general swallowed the Dengxian Pill and entered the palace to assassinate, but wouldn't it be a lifelong death to hurt the women in the harem?

Furthermore, Liu Yan must take action every time he deals with Wu Sheng?His emperor is too cheap, right?

Now that Dongfang Kui, a martial sage, is stationed in the palace, it can be regarded as a solution to Liu Yan's big problem.

Moreover, Dongfang Kui is like a young girl, so that the world will not mistakenly think that eunuchs are used in Liu Yan's palace again.

Furthermore, the addition of a martial sage guarding the palace makes it more and more obvious that the Han court is very powerful, with deep and unfathomable foundations!

Liu Yandao: "System, open the achievement gift bag for me to win the battle of Dingding!"

"Ding dong! Congratulations to the host, Emperor Qi +3000!"

"so much?"

Liu Yan was the emperor outside Luoyang City, and the spirit of the king turned into the spirit of the emperor.The initial value of Emperor Qi is 1000 points.

Originally, Liu Yan thought that the increase of the emperor's aura would not be so easy.

Unexpectedly, the system directly added three thousand points to Liu Yan.

Now Liu Yan's Emperor Qi has directly reached [-]!

The system explained: "Ding dong! The battle of Dingding is a crucial battle for any emperor, so directly add [-] points of emperor's energy to the host. In the future, if the host wants to increase the emperor's energy, It's not that easy."

Liu Yandao: "That's also very good! System, let me ask you, is it possible to continue to upgrade after the Emperor Qi has increased to 9999 points?"

"Ding dong! Yes. At that time, the host will further break through the human limit, and the extent of breaking through the limit will definitely satisfy the host."

"Will it definitely satisfy me... 4000 points are not too far away from 9999 points. I really look forward to it!"

Liu Yan cheered up and said: "Now, open the last gift bag for me, and ascend to the throne of the emperor to achieve the gift bag!"

"Ding dong! Congratulations to the host, you have obtained an auspicious sign from the sky once."

"Ding dong! There is an auspicious sign in the sky: People in the world believe that the emperor is the son of heaven, who is a herdsman on behalf of heaven. At a major turning point in their lives, heaven and man are in touch, and there is a possibility that a vision will happen.

For example, the mysterious bird of destiny descended to give birth to Shang.For example, when King Wu defeated Zhou, white fish entered the boat.

For example, Liu Bang, Emperor Gaozu of the Han Dynasty, ascended the throne, with five stars in a row.For another example, when Liu Xiu, Emperor Guangwu of the Han Dynasty was born, the house was full of red light, the wheat gave birth to double stalks, and the rice grew nine ears.Therefore, when the host ascends to the position of the Son of Heaven, there will be an auspicious sign in the sky once! "

Liu Yan was quite interested, and said: "It's interesting. Then, the system, now, it's auspicious!"

"Ding dong! As the host wishes!"

Although Liu Yan opened eight gift bags, in reality it was only a few seconds.

At this moment, in the eyes of the 140 million army, Liu Yan had just finished reading Jitianwen.

However, at this moment, a sudden change occurred!

"Ah! You see, His Majesty seems to be different from just now!"

"Yes, His Majesty looks more dignified, more dignified, and more compassionate than before!"

"Could it be that His Majesty sacrificed to the heavens and was blessed by the heavens?"

"It must be so! Oh, my God! Look at... this day!"

……

At the beginning, people guessed the blessing from heaven based on the abnormality of Liu Yan's sudden increase of [-] points of Emperor Qi.

Then, they suddenly discovered a change in the celestial phenomena!

The sky is cloudy today, the north wind is blowing, and the climate is slightly cold. This is a very ordinary weather in late spring and early summer.

But now, the 140 million army suddenly discovered that at some point, the clouds in the sky disappeared completely.

Yes, it just disappeared completely, not a single cloud left, only a red sun hanging high!

The sky is blue, without any impurities, which is the only thing I have seen in my life!

The red sun hangs so brightly, emitting thousands of golden lights, bright but not dazzling, it is also the only thing I have ever seen in my life!

Even the north wind that was blowing on his face completely disappeared.

At this moment, the weather is neither hot nor cold, neither wet nor dry, it is just perfect!

The real good weather, it turned out to be like this!

Why wasn't there such good weather before?

All in all, there is only one possibility——

"There is an auspicious sign in the sky, this is an auspicious sign in the sky! The auspicious sign in the sky at this time means that His Majesty has been approved by the heavens for ascending the throne of the Son of Heaven!"

"My emperor is indeed the true Son of Heaven! I congratulate His Majesty and the people of China!"

"God bless, I, Huaxia Dingguo Yunchang forever!"

……

140 million people shouted loudly to congratulate Liu Yan.

However, what they didn't expect was that this was not over yet!

Yes, endless!

Swish!

With a flash of golden light, the six gold characters of "Xing Hua Xia Dang Liu Yan" in seal script, each with a length of ten feet, shone brightly in mid-air!

The meaning of the six words "Xinghua Xia Dang Liu Yan" is really very simple.