Tao Zheng had already made an appointment when he went to the hospital during the day. He took the corresponding supplies and went to the hospital to have a ligation operation.
The operation went smoothly.
Zhang Jia waited anxiously outside the operating room, feeling very nervous.
The lights in the operating room finally went out, and the nurse pushed Tao Zheng out.
Zhang Jia immediately went to meet him.
The two went on deck.
The sun in the sky seemed to be hanging there forever.
The air was filled with a damp smell, and the fishy smell of sea water was stronger than usual.
Zhang Jia frowned, but Tao Zheng was used to it.
They walked side by side without saying much, but their hearts were closer to each other.
In the next few days, Zhang Jia rested as ordered by the doctor, and Tao Zheng took good care of her, cooking nutritious soup for her to warm her stomach, and never leaving her sight.
Zhou Shuwan would come to visit every day, and they would chat and laugh, and it seemed that even the gloom of the end of the world had dissipated a lot.
At this time, the sea level continued to rise, and as Zhou Shuwan predicted, it had risen by more than ten meters.
There are more and more dead fish floating on the sea.
Zhou Shuwan followed Captain Shang and stood at the edge of the mothership's deck. He had a homemade mask on his face, but he could still smell the stench wrapped in the sea breeze.
It was the smell of countless dead fish rotting and fermenting in the sea water, like an overturned can of rotten meat, mixed with the salty and fishy smell that penetrated into the nose and made the throat tight.
Looking into the distance, the originally blue sea surface is now covered with a layer of gray "corpse membrane".
The corpses of sardines and mackerel were lying with their white bellies turned upside down, some of them were washed against the bulkhead of the mother ship by the waves, their cloudy eyes staring at the deck; the larger corpses of tuna and cod were floating on the sea surface with the waves, their abdomens had long been gnawed with big holes by saprophytes, and their dark red internal organs mixed with dark green bile spread out in dirty water streaks in the sea water.
"The purification system is sounding the alarm again." Adjutant Yun approached anxiously from a distance. "Captain Shang, the purification team just reported that the third set of filters has been blocked by humus from fish carcasses just four hours after being replaced. The purification efficiency is now less than 30% of its usual level."
Captain Shang frowned slightly and walked quickly towards the purification workshop on the middle floor of the mothership.
The reason why Zhou Shuwan followed Captain Shang was because he sent someone to tell her that there was a problem with the purified seawater on the ship.
When they arrived at the purification workshop and opened the door, an even stronger stench hit them in the face.
Several engineers were busy around the purification equipment. In the transparent filter tube, the seawater that should have been clear and flowing now looked like mud mixed with sand. The brown flocs were firmly stuck to the filter membrane. No matter how high-pressure water flowed, only traces of dirt were left.
"What is this?" Zhou Shuwan frowned.
An engineer replied: "These are protein fragments from rotting fish carcasses. There are so many of them in the sea now that we can't prevent them."
He looked serious.
The other engineers and workers in the workshop were also unusually silent.
But everyone's face was filled with anxiety.
"We've tried adjusting the filtration accuracy and even added activated carbon for adsorption, but it's completely useless." The veteran engineer in charge of the purification system wiped the sweat from his forehead and pointed at the monitoring screen. He said to Captain Shang, "Look, the ammonia and nitrogen concentration in the water has exceeded the safe value by eight times. There's also hydrogen sulfide. These are all produced by the decomposition of rotting fish carcasses. Our purification technology was originally designed to deal with sea salt, microorganisms, and common pollutants. When it comes to this high concentration of humus, it's like filtering mud with a sieve. It can't filter it out at all."
Captain Shang frowned.
The problem with the purification technology occurred a week ago.
However, in recent days, engineers in the workshop have been busy improving the purification equipment, but the results have not been ideal.
Therefore, the daily per capita water supply on the mother ship has now been reduced to 1.5 liters, which is prohibited from being used for washing and cleaning, and drinking is prioritized.
His heart sank, and he walked to the water tank, opened the sampling valve, and filled a glass of water.
The water in the cup has a light yellow hue. If you smell it closely, you can smell a faint fishy smell, which cannot be completely removed even if it is boiled.
"Drinking this kind of water for a long time will cause problems." Adjutant Yun stood beside Captain Shang, his brow furrowed. "The rescue area just reported that three crew members have developed diarrhea. Preliminary diagnosis is that the harmful microorganisms in the water are excessive. If we don't find a solution, we won't be able to hold on any longer, even before the sea level drops."
Outside the window, the white layer of fish carcasses on the sea surface rose and fell with the waves.
Shu Wan looked up at the gray sea surface and knew that these fish carcasses not only polluted the sea water, but also consumed the remaining oxygen in the sea.
In a few days, this sea area may become a "dead sea" where even the most pollution-resistant algae will not be able to survive.
Their purification system is like an isolated island trapped in the Dead Sea, and they can only watch the clean water in the water tank decrease day by day, but they are powerless to do anything.
She bit her lip, feeling the same panic as everyone else.
She can see the situation in the sea more clearly than anyone else, so she knows how many fish carcasses are buried in this sea area!
How quickly they decay in the warm sea water!
The mothership originally had seawater purification technology that was far simpler and more convenient than before the apocalypse. People could easily use the purification technology whether on a small island or on a small boat.
So everyone thinks that when living on the sea, they don’t have to worry about water shortage.
But no one would have imagined that when the ocean itself began to rot, the technology that humans were so proud of would be so fragile!
It is precisely because of this serious water shortage problem that the mother ship had to arrange personnel to go into the sea to collect fish carcasses and burn them.
As for Zhou Shuwan, Captain Shang has another more important task to give her.
On the second day, on the deck of the mother ship, the sea breeze was filled with a strong and indissoluble stench.
More than a dozen small work boats were floating on the sea.
Dozens of crew members wearing orange waterproof suits used metal salvage nets to salvage the fish carcasses from the sea.
They didn't dare to lift the net directly, but drove the small boat to the incinerator on the lower deck of the mother ship.
As soon as the net was lifted up, the rotten meat fell through the mesh, and the fishy liquid dripped onto the deck, quickly forming a small pool.
"Send it to the incinerator!"
The two crew members worked together to pour the heavy fish carcasses into the furnace and pressed the ignition button.
Blue flames shot up, accompanied by a sizzling sound, and an even stronger smell of burnt decay rushed into the sky.
The meshes of the nets were stained with the remains of fish carcasses, leaving brown streaks on the deck.
Even though everyone wrapped themselves tightly, they were almost fainted by the strong stench.
"Hurry up! We have to clear all the fish carcasses within three kilometers of the mothership today, otherwise the purification system will be clogged!"
The team leader in charge shouted at the top of his lungs.
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