I Plant A Field In The Last Days

Chapter 286: Ways to Purify Water

As soon as these words came out, everyone was stunned, and Lu Yuan quickly recalled some common sense of physics and geography he had learned in high school.

The reason why geothermal can be formed is that groundwater is affected in the magma layer or other areas with higher temperature, and this heat is transferred to the water source, and the water source is increased by thermal energy to form geothermal.

In the land of China, there are many natural geothermal hot springs in many areas. These places are all developed into tourist attractions by those merchants, and these geothermal heat is regarded as natural hot springs for tourists to use.

These hot springs contain a lot of minerals. If people go to the hot springs for a long time, it will improve the body’s immunity and supplement some of the minerals needed by the human body. Although Lu Yuan feels that this is not very reliable, it is also It shows that there must be water in it.

So Lu Yuan hurriedly waved, and a few people immediately surrounded him, and then opened the map again to check the nearby water source markings. However, several rivers were etched to dryness in the first year of the end of the world, and the groundwater was also dried. All of them have receded below a few hundred meters, and even in some places, the water source has already been directly cut off.

Although there was a huge flood in the third year of the last days, the terrain of China is high in the west and low in the east, so after the earthquake, these water sources do not know where they are going.

Even if there is groundwater, severe earthquakes have caused topographical changes, and groundwater cannot be inferred. It can only be detected manually.

Now it is extremely difficult to find a new groundwater. Even the whole map does not indicate which water sources are available for use. Although there are several water sources, they are all highly toxic. It is marked and cannot be consumed.

"Great! I'll come to think of a solution tomorrow for the water problem. It's too hot here! We have to go back and rest quickly and come back tomorrow!"

So Lu Yuan asked people to mark this place and leave it for later to continue the research. At this time, it was getting late, and the time for everyone to come out was particularly long. They had been in this high temperature environment for a long time. Staying there, people often have various problems due to dehydration.

Therefore, for the safety of the team members, Lu Yuan could only stop the search today.

Back at the camp, after Lu Yuan and the others downed the radiation protection suits, a thick white mist suddenly appeared on everyone, as if they had just come out of the steaming room, and their clothes were already soaked. NS.

After taking off his own radiation protection suit, Lu Yuan felt exhausted and prepared to go back to his residence and change his clothes.However, I ran into Chen Yan on the road, and saw that Chen Yan was carefully walking towards the laboratory with a pot of utensils at this moment, and did not dare to pay too much attention to the people nearby.

After Lu Yuan saw it, he said hello from a distance: "Swallow, what is this thing in your hand?"

After hearing Lu Yuan’s words, Chen Yan gave a cry, and the utensil in her hand almost fell to the ground because she was unstable. Placed on the ground, Dian looked back angrily at Lu Yuan.

"You scared me to death. Didn't you see the right thing in my hand? This is how I managed to get some aquatic plants from the outside!"

Lu Yuan walked over, looking curiously at the glass bottle filled with water and plants.

"Aquatic plants? Haven't these things gone extinct? Where did you get them?"

A smug dark color suddenly appeared on Chen Yan's face.

"I entrusted a lot of talents to get this. The people in the laboratory promised to help me get it. Unexpectedly, it has been a few months before finally getting such a little bit. It's precious!"

"Oh, isn't it!" Lu Yuan said so salty, in fact, just when he looked down, he already knew that this aquatic plant is really the famous water Calabash, and there are some green duckweeds. .

Although these two plants are particularly precious after the end of the world, they can be seen everywhere before the end of the world. You can find this kind of plant in a small ditch. However, due to the year-long drought, the river has completely disappeared, and almost all aquatic plants have become extinct.

At this time, Lu Yuan was somewhat surprised to see this freshwater Calabash and green duckweed again.

Seeing Lu Yuan's unsatisfactory utterance, Chen Yan suddenly made a pretty face: "Lu Yuan, your expression looks very disdainful. Do you know how precious this thing is? Just this kind of thing. Zhu Ke is about to sell for tens of thousands of yuan, but I have found a lot of talents to get a little bit. With this thing, we can drink clean water in the future!"

Lu Yuan was shocked when he heard this, and then he quickly asked: "What? You mean this thing can purify water? I seem to have heard in the news before that this kind of thing seems to have caused pollution, how could it be possible? How about purifying the water?"

Chen Yan smiled mysteriously, and then continued: "You don't understand this. The reason why a large area of ​​duckweed used to cause micro-pollution of water sources is because this thing absorbs a lot of chemical industrial products, and these chemicals The product contains a lot of trace elements such as nitrogen, phosphorus and potassium, which causes their growth rate to become extremely high.

Therefore, due to the large-scale reproduction of these aquatic plants, the entire surface of the river was covered, and some underwater creatures were not exposed to sunlight, unable to carry out photosynthesis, resulting in insufficient oxygen content in the water below. If we control the pollution caused, this kind of thing can still absorb some sundries and trace elements in the water source! "

Lu Yuan nodded immediately, and he understood why many people like to plant some aquatic plants in their fish tanks, not only for aesthetics, but also to purify the water source.

"Great, then it seems that our water source problem can be solved. By the way, I would like to ask if the previously polluted water source can be purified by this kind of plant?"

Chen Yan sighed: "Actually, the reason why I got these two plants is to study and see if I can purify the water source, but the people in the research institute have not been able to solve this problem for a long time. Question, but I still don’t want to give up and want to try again. If the polluted water can really be solved, then our water source problem will no longer be a problem!"

"Great, by the way, can you pinch me a bit? I'll go back and try it too!" Lu Yuan pointed his finger at the glassware lying down on the ground and asked tentatively.

Listening to Lu Yuan's words to pinch a little bit, Chen Yan immediately picked up the own glass bottle cleanly like a baby's guard, and shook her head repeatedly: "No, it's too small. If I study it for you, I won't be enough. Even though this thing grows very fast, it’s at this stage, but it’s Jingui. If you die, you can use a little less. I’ll give it to you in a few days when you grow up a little bit!"

"Don't, just pinch me a little bit, I don't need too much, just a little bit!"

Seeing Lu Yuan’s eagerness, Chen Yan finally couldn’t help but smile: "You, I am teasing you, how can I not give it to you? Although the price of this thing is high, it is very expensive for you, a big boss. It's still not a problem, but now they are not willing to trade with us, so I can only get some privately through some old relationships before, you must cherish a little, I will give you a little!"

Lu Yuan nodded quickly and thanked you: "Thank you so much, let's go to your lab and get me some!"

Coming out of Chen Yan’s laboratory, Lu Yuan eagerly returned to his residence with his own small plastic back. After closing the door, he used his own consciousness to put the water Calabash and duckweed into the own dimensional space. Pond.

The moment duckweed and water Calabash entered the dimensional space pond, it immediately seemed to have a chemical reaction, the speed of change was extremely fast, and it immediately began to grow wildly in the form that the naked eye can see, and it took a while to grow. A large piece.

Seeing a large piece of water Calabash and duckweed growing out, Lu Yuan suddenly panicked, but fortunately, there are many fish and shrimp in the river who like to eat some aquatic plants, and seeing the emergence of new species, suddenly Little fish and shrimps rushed over, eating duckweed and water Calabash, and found that the taste seemed to be okay, so more fish and shrimps were attracted.

Lu Yuan took a shot at once, and he was afraid that own, a precious fish pond carrying water, Calabash and duckweed, would be killed. If this were the case, it would really outweigh the gain.

After being nourished by the water in the dimensional space, the leaves on the surface of the water Calabash and duckweed look stronger than before, and the leaves are much larger, and the green density is also particularly bright, which looks particularly beautiful.

Then Lu Yuan quickly took out a pile of duckweed and water from the space. Calabash placed it in the glass box alone, adding a little water from the dimensional space.The growth rate of Calabash and duckweed in the water that left the dimensional space immediately slowed down, but Lu Yuan knew that although it did not seem to be very long, in fact, if you look closely, the duckweed and water Calabash are still faster than using other water sources. Much faster, this is mainly due to the water in the dimensional space pond and these duckweeds and water Calabash have grown in the dimensional space, but the growth rate will slowly decrease over time.

Looking at the duckweed and water Calabash in the tank, Lu Yuan planned to give Chen Yan. After all, they do not have a lot of equipment in their current laboratory and can only conduct experiments with some simple things.

If you want to use aquatic plants to purify the water, then the problem of raw materials is big. The water Calabash and duckweed in Chen Yan's laboratory is not enough for her to use. If you want to pass the comparative experiment, you may have to wait. It has been a while, but now the water source in the mining area is almost used up. If it is not solved, it is estimated that some people may die because of the lack of water.

Seeing that the water tank had been put in place, Lu Yuan nodded in satisfaction, but at this time it seemed a little inappropriate to give them directly to Chen Yan. After all, he had only got these plants for less than two hours, and he gave them back to the other party all at once. With so much, Chen Yan will inevitably be suspicious.

...

Early the next morning, Lu Yuan dialed Chen Yan's phone directly. After receiving the call from Lu Yuan, he learned that he wanted to give him something, and immediately ran towards Lu Yuan's residence without stopping.

When Chen Yan entered Lu Yuan’s room again, she saw a glass tank on the tabletop with a tank of clear water and a fish tank on it. The fish tank was the one she gave to Lu yesterday. The distant water Calabash and duckweed, but the number seems to be a bit large.

"You...Where did you get these things? I only gave you a little bit just now. Could it be that you already have this kind of stuff on your side? Then you gave it to me yesterday! I knew I wouldn't have to spend that much. I got a lot of strength from outside! I owe a lot of favors!"

Lu Yuan smiled awkwardly: "It's true that I got the water from the mine. There is still extremely high radiation in it, but it basically does not cause much harm to the human body. This kind of water has One advantage is that it contains a lot of catalysts. I asked you for these things yesterday to see if they can be used as catalysts for aquatic plants. I didn't expect it to be effective! So I called you early in the morning! Even if I just gave you some compensation for borrowing something, you can go back and see if you can find something famous!"

"What? There is still water in the mine, really or not? Why didn't I find it?" Chen Yanlue looked at Lu Yuan with a hint of surprise and asked.

"Um, of course, you might not pay attention! Besides, this kind of thing is also very rare, and I am worried that this thing is harmful to the human body, so I have never said it to outsiders, but now I see your research seems to have encountered I ordered bottleneck, so I took out this kind of thing. I found that this kind of thing, as long as you plant something in it, basically grows very fast, you can go back and try it out! By the way, this thing Don't tell others, the provincial one has passed it to the research institute!"

Lu Yuan casually found a fool around, but Chen Yan was not a vegetarian either. She was a professional researcher, but he was more interested in these duckweeds at the moment and didn't ask much.

"Great, I'll take it back now, thank you Lu Yuan!"

"Haha, you're welcome, we all want to survive!"

Seeing the ecstatic Chen Yan leaving the own residence with the large water tank, Lu Yuan nodded in satisfaction.

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