The next day, Sean, accompanied by Joyce, went to the higher level of land to the west behind the castle, and although his shoes had already been stained by the muddy dirt road washed away by the rainy day yesterday, this did not affect his mood at the moment.

Ahead were Joyce's handpicked trusty lords, who were digging holes in the flat ground ahead of them according to his plan.

Ever since he knew that the price of salt on the initial continent was not cheap, Sean had always had an idea in his head: sea water to dry salt.

The salt grains of the initial continent came mainly from inland salt mines, and the operation of drying salt from seawater did not develop. Previously, Sean also wanted to immediately develop the idea of seawater salting, especially when caravans visited, and when Sean Island was short of funds, Sean's idea of seawater salting was even stronger, after all, seawater resources were endless in this endless sea.

But the idea has been shelved due to the secrecy of the beach's salt drying and the cultivation of wasteland. Now that the cement experiment has been successful, coupled with the large number of people and the collection of gourds brought by refugees, many of the problems with this idea, such as population and secrecy, can be solved very well.

Although there is a high degree of secrecy in coming to the higher altitude of the west to dry salt, there is a big disadvantage of drying salt away from the seaside, that is, there is no way to replenish the seawater through the high tide of the sea, which greatly increases the workload of the people to replenish the seawater, but now with the Nazang gourd, this problem has also been well solved.

Moreover, there are also advantages to drying salt on the flat land at high altitudes, such as the high altitude flat land has a large wind volume, and the sun is also very sufficient.

For seawater salting, Sean can be regarded as impressed, he had visited a seawater salt field on a business trip before, and he was shocked by the spectacular scene of the salt field, so he also specially checked the information after going back at that time, so he was more clear about the process of seawater salting.

The principle of salting in seawater is mainly evaporation and crystallization. The main thing is to introduce seawater into the salt pans, and use sunlight and wind to evaporate and concentrate the seawater to saturate it, and further crystallize the salt.

A salt pan is usually divided into two parts: an evaporation pond and a crystallization pond. First, the seawater is introduced into the evaporation pond, and when the water is evaporated to a certain extent by the sun, it is then introduced into the crystallization pond and continues to be exposed to the sun, and the seawater will become a saturated solution of salt, and then the salt will gradually precipitate out.

Previously, in order to keep it secret, Sean also thought about producing salt by decocting seawater, but the sea salt made by decoction was not only low in yield, but also poor in quality, so he later gave up this idea.

"My lord, why are you digging so many pits here?" asked Joyce. After getting along for a while, Joyce also knew that Sean was not a difficult lord to get along with, so he started slowly and dared to ask Sean when it came to some questions.

Sean glanced at Joyce, and he didn't intend to hide it from him, and he couldn't hide it, now each of the three main officials on Sean Island is his confidant and can be trusted, so Sean doesn't mind answering his question, and there may be another one added at the moment: Nick.

And answering Joyce's question can also make him pay attention to this project, so he said to Joyce: "Although you know that the price of salt is expensive, do you know where the salt is most expensive?"

Joyce thought for a moment, then finally shook his head.

This was also expected by Sean, so he stopped selling it and said directly: "The sea, the sea has more salt than any salt mine, but it takes a little means to take them out." ”

"The sea, my lord, what are you going to do?" Joyce, though he didn't believe Sean's fantasy of the sea taking out the salt, didn't ask much, otherwise it would seem that he was so stupid as an administrator.

"That's right, now we're preparing to take the salt out to sea. Sean said in high spirits, he felt that the biggest golden finger he came to this world was not the mysterious identification system, but the knowledge from his previous life in his head.

Seeing that Joyce was still puzzled, Sean explained again: "Actually, it is obvious that the sea contains table salt, and you also know that the sea is full of salty taste, in fact, it contains table salt and some other things, and now what we have to do is to take out the table salt." ”

"You first arrange for the people to dig ten large pits of one acre in size, and use tested cement to pave the pit to ensure the tightness of the pools, and all the pools must be kept connected, and the middle is built with cement to ensure that the seawater of the ten pools can circulate with each other. ”

"My lord, okay, I'll arrange it. Joyce nodded and said, although he also heard it in a fog, but it did not prevent him from carrying out Sean's decision.

"I'll tell you about the principle first, you also know that seawater contains table salt, and how to extract it is very simple. Eight of the pools are used to hold seawater, and the source of seawater is that I will give you a gourd when the time comes, and you will arrange for a person to take seawater, but the protection work must be done well, and the gourd cannot be lost. ”

"Eight of the pools are called evaporation ponds, mainly to introduce seawater, through the sun to evaporate water to a certain extent, and then through the channel of the pool into the other two pools: crystallization pool, continue to sunbath, seawater will dry out salt, as for how long the evaporation pond will be dry, you call the people to grasp it themselves, in addition to ensure that the pool is clean. ”

"Is that easy?" said Joyce, a little incredulous, for he had not expected such a simple way to extract salt from the sea.

If it really succeeds, then Sean Island will indeed not have a financial crunch in the future, no wonder the lord did not worry about the cost of gold coins before.

Thinking of this, Joyce's waist bent even lower.

"It wasn't going to be complicated, but no one knew how it worked. Therefore, the secrecy of this matter must be done well, and the people who work in the sea water and salt are forbidden to contact all foreign people, and if the news is known by people outside the island, the advantages of Sean Island will be greatly reduced. In addition, the hygiene of the pool must also be ensured, and you should warn these people at that time. ”

Sean looked at Joyce's shocked face, and his heart was also dark. Watching Joyce's favorability soar to 99 again, becoming the person with the second highest opinion of Sean. He knew that if the salt was successful, Joyce's favorability should soar to 100.

Joyce's face flushed and reassured, "Stars bless, Lord Lord, your wisdom is unmatched, and the stars protect Sean Island." I will warn them about secrecy and hygiene, and if these untouchables dare to sabotage this work, I will hang him. “

Sean looked at the people who were sweating and working in front of him, nodded and said, "I believe in you, the economic lifeline of Sean Island is in your hands." ”

"Yes, my lord. ”

The promise resounded through the empty ground.