I Found A Planet

Chapter 347 Seawater Desalination

Chen Jin's design is quite good, and its feasibility is also very high.

However, he does not intend to promote the "life extension medical" technology immediately.

The nutrition cabin technology for growing babies in vitro is still controversial in ethics, and even many people find it difficult to accept it... It may take 30 to 50 years for people to gradually accept it.

Life-extension technology will meet little resistance.

five years.

Chen Jin thought about waiting for five years before the first Xinghai Hospital was built in the desert, and the life extension technology could be made public to the world.

Another thing is that after the desert area contracted by Xinghai Technology reaches 500,000 square kilometers, Xinghai Technology will no longer be allowed to contract the remaining desert.

This was expected by Chen Jin, and he did not express any dissatisfaction.

"500,000 square kilometers is enough. It is impossible to cover all the deserts...the higher authorities will not allow it."

"This is equivalent to the area of ​​several provinces, and it will cost 50,000 to 10 trillion yuan to renovate it completely."

"In the future, most of the profits that Xinghai Technology will earn in the domestic market will be invested in this desert... probably barely enough."

Thinking of this, Chen Jin shook his head.

A few years ago, when Xinghai Technology entered the desert, my aunt He Jia was very interested. She said that she had found the meaning of life and wanted to contribute to the cause of environmental protection. There was no talk about it.

Now the working capital in the hands of my aunt should be more than 20 billion, right?

"The time is basically ripe, and those idle funds can almost absorb a wave."

However, these funds are not used for domestic deserts.

...

In 20X8, May.

Africa, Sahara desert.

On the east coast of Morocco, there is a seawater desalination research institution - Xinghai Desalination Institute.

This day, Chen Jin made a video call to ask about their recent research.

"Professor Bi, how is your research on nano-molecular permeable membranes? Does it have advantages over other desalination methods in terms of production efficiency and cost of fresh water?" Chen Jin asked.

There are many ways to desalinate seawater:

There are common distillation methods. It is divided into high-temperature distillation and low-temperature distillation. High-temperature distillation has high efficiency, and low-temperature distillation is more energy-saving.

There are freezing methods. By freezing at a low temperature, the fresh water in the sea water is separated.

There are solar laws. The solar distillation method uses a simple solar still, which consists of a tank with a black porous felt core floating hole and a transparent, edge-closed glass cover on the top of the tank. Sunlight is projected through the transparent cladding onto the black insulated trough floor, where it is converted into heat.

Multi-stage flash evaporation method. Flash evaporation refers to the rapid evaporation of part of seawater at a certain temperature under the condition of sudden drop in pressure. Multi-stage flash seawater desalination is to evaporate the heated seawater in a plurality of flash chambers where the pressure is gradually reduced, and condense the steam to obtain fresh water.

and membrane permeation. This method is also commonly referred to as "ultrafiltration".

This method uses a semi-permeable membrane that only allows solvents to pass through but not solutes to separate seawater from freshwater. Under normal circumstances, fresh water diffuses to the seawater side through the semi-permeable membrane, so that the liquid level on the seawater side gradually rises until a certain height stops. This process is called osmosis. If an external pressure greater than the osmotic pressure of seawater is applied to the seawater side, the pure water in seawater will reverse osmosis into fresh water.

The biggest advantage of membrane permeation method is energy saving.

Among the above methods, Xinghai Science and Technology focuses on the "membrane osmosis method".

There is no other reason, one is cost; the other is efficiency... Other seawater desalination methods have more or less defects, but membrane osmosis method can take both into account.

"It has reached the standard of large-scale application, Mr. Chen."

In the video, Professor Bi Yongfu said: "I have struggled in this field for nearly 20 years, and now I see the hope of eradicating the cancer of the earth called 'desert'."

"A set of large-scale desalination equipment, using the 'Bi's nano-permeable membrane' produced by Shanghai Xinghai Technology, can seep out 12 tons of fresh water per second, and produce more than 1 million tons of fresh water per day...enough for a city with a population of one million. "

"Building 100 sets of such desalination devices can solve the survival needs of 100 million people."

"If 1,000 are built, the entire Sahara Desert can become a land full of vitality."

"The construction cost of each such desalination plant is about 1.5 billion. In the process of producing fresh water, the average electricity consumption per ton of water is about 1 degree."

"Assuming that the electricity cost is 30 cents per kilowatt-hour, plus the cost of pipeline construction, management and maintenance, the average desalination cost per ton of fresh water will not exceed 3 yuan per ton."

"It's a little more expensive than directly pumping fresh water from Lake Baikal, but it's not too expensive, and it's within the acceptable range."

"Mr. Chen, I suggest buying the desert here and using the company's most advanced desert control technology to develop it. I believe that in just a decade or two, we will have a large area of ​​oasis!"

"Xinghai Technology will become the largest land contracting company in the world, and those lands alone can bring huge benefits to the company."

Chen Jin nodded.

Fresh water is 3 yuan/ton, and all costs are included. This price/performance ratio is really good, and it has reached the standard of mass production.

During this period, Xinghai Technology also sent business representatives to conduct business negotiations with North African countries such as Morocco, Libya, Algeria, and Niger, and purchased 1.5 million square kilometers of desert... The total cost was about 150 billion (the money was paid by Xinghai Technology in profits obtained from overseas business activities).

All contracts are permanent.

Seawater desalination technology is now mature.

Xinghai Technology can shake off its arms and do a big job in the Sahara Desert.

But the time is not quite there yet.

...

On May 29th.

in the virtual world.

"Alice, what's the result of the vote? Is there any problem with being re-elected?"

Chen Jin folded his arms and asked.

"With 82.17% of the votes, he was re-elected without any suspense, and created the highest re-election support rate in history." Alice said.

"However, I see that the media scolded him very fiercely. Almost none of the mainstream media supported Longfellow. The scolding was completely one-sided. They even conducted a lot of online polls, saying that the probability of Longfrowe being re-elected is no more than 1%... "

"Masters of fake news, these are false reports, but the final vote is true, and that is the only saving grace of this system."

Alice said again: "In addition, master, we have to add a batch of bodyguard robots to Longfro. It is best to double the number. From the beginning of this year to now, Longfro has suffered 187 assassinations, an average of more than one per day. I think This frequency will increase in the future, and the methods will be more intense and extreme, so we must make better preparations."

You must know that those whose interests have been harmed will never let it go.

"I wipe, 187 times?"

Chen Jin shook his head. This is just the beginning. When the next step is launched, wouldn't the frequency of assassinations be even crazier?

It seems that except for the stand-in robot that can't die, under normal circumstances, God can't save country M.

Recommend a friend a book "Picked up a world of cultivating immortals", cool article, I feel pretty good, you can read it

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