"I'll give you a better life. I'll work hard to earn money so you won't have to worry about making a living and can buy whatever you want." Chen Dong held Chu Mengran's hand tightly, his eyes filled with determination and tenderness.

Chu Mengran raised her head, her eyes sparkling with captivating light, and looked at Chen Dong with deep affection: "As long as we're together, I'll be happy no matter what kind of life we ​​lead. But I believe in you; you will definitely achieve your dreams."

Chen Dong gently kissed Chu Mengran's forehead and solemnly promised, "I will definitely work hard to make you the happiest woman in the world. In the future, we will travel to many more places together and see many more beautiful sights."

This summer, Chen Dong and Chu Mengran created countless wonderful memories in Chang'an, and their relationship also warmed up to a new stage.

After returning to Nanjiang County, they frequently went on dates amidst the summer heat, and their feelings for each other deepened.

The end of summer vacation is like a shooting star that streaks across the night sky, fleeting in an instant.

Chen Dong and Chu Mengran stepped into the campus of Tsinghua University in Beiping once again, filled with eager anticipation for the new semester.

Along the campus path, ginkgo leaves rustled in the gentle breeze, as if whispering that a new chapter was about to begin.

Their figures moved between the familiar teaching buildings and dormitories, preparing for their upcoming junior year.

Meanwhile, Beiping's policies were undergoing a quiet transformation.

This change, like a boulder thrown into a calm lake, created ripples that spread throughout the pig farm's operations.

Inside the pig farm, Chen Dong stood near the feed pile outside the farm, his brow furrowed, looking at the mountain of unmanaged pig manure, his heart filled with worry.

The pig manure emitted a strong, foul stench, which became even more pungent under the scorching sun, attracting swarms of flies that buzzed around, creating an unbearable buzzing noise.

Not far away, sewage flowed freely from the sewage pipes, pooling on the ground into puddles of black water that emitted a nauseating odor.

Although the hygiene of pigsties and pens in other areas of the pig farm meets standards and pig manure is cleaned up well, the accumulation of pig manure outside the farrowing room and the problem of sewage discharge have become the most intractable problems for the pig farm at present.

"This environment has truly reached a point where it absolutely must be rectified. Otherwise, let alone meeting policy requirements, the sight itself is unbearable," Chen Dong muttered to himself, his voice carrying an undeniable firmness.

At this moment, Uncle Li, a long-time employee of the factory, walked over slowly with heavy steps, his face full of worry.

"Boss, this policy change is too sudden. If we have to modify our pig farm according to the requirements, it will cost a lot of money. Is it even possible?"

Uncle Li's voice trembled slightly, clearly indicating his deep apprehension about the future renovation project.

Chen Dong turned around, looked at Uncle Li with a firm gaze, patted him on the shoulder, and said resolutely, "Uncle Li, since the policy has changed, we have to keep up. If we don't upgrade, this pig farm might not even survive. I'll figure out the money; we need to consider the long-term development of the pig farm. You've worked here for over a year and know the potential of our pig farm. As long as we grit our teeth and get through this, the future will definitely be bright."

In order to find the best renovation plan, Chen Dong consulted relevant departments everywhere.

Finally, through his connections at Tsinghua University in Beiping, Chen Dong made contact with Professor Zhang, who was quite well-known in the field of environmental protection.

On the appointed day, Professor Zhang arrived at the pig farm early.

When Chen Dong saw Professor Zhang's figure in the distance, he immediately walked forward and warmly extended his hand.

Grasping Professor Zhang's hand tightly, he said, "Professor Zhang, we've been waiting for you! This pig farm renovation will depend on your hard work. Your expertise in environmental protection is our pig farm's hope."

Professor Zhang smiled and nodded, adjusting his glasses, and said gently, "Mr. Chen, you're too kind. Let's go and see the actual situation at the pig farm first."

The two arrived at the feed storage area outside the pig farm. Professor Zhang frowned even more when he saw the piles of pig manure.

"Mr. Chen, if pig manure isn't disposed of promptly, it will breed a large number of bacteria and pests, posing a significant threat to the pig farm environment and the health of the pigs, even outside. A comprehensive pig manure treatment system must be established, such as using composting and fermentation technology to convert pig manure into organic fertilizer, which is both environmentally friendly and generates additional revenue."

Next, they went to the sewage discharge point, where Professor Zhang squatted down and carefully observed the sewage.

"This wastewater discharge is seriously substandard. A dedicated wastewater treatment system must be built immediately, employing biological treatment technology to decompose harmful substances in the wastewater through microorganisms, ensuring it meets discharge standards. Otherwise, it will not only pollute the surrounding environment but also incur hefty fines."

Chen Dong listened attentively, occasionally asking his questions: "Professor Zhang, how exactly does this pig manure composting and fermentation technology work? And how much does the wastewater treatment system cost approximately?"

Professor Zhang pondered for a moment, adjusted his glasses, and explained in detail: "Pig manure composting requires the construction of a special composting site, equipped with turning equipment, mixing pig manure with auxiliary materials such as straw, controlling the temperature, humidity and ventilation, and after a period of fermentation, it can be made into high-quality organic fertilizer."

"As for wastewater treatment systems, the costs vary considerably, ranging from simple sedimentation and filtration to complex biological treatment. Simple systems may cost hundreds of thousands, but their treatment effect is limited; biological treatment systems, while requiring a large initial investment of several million, can consistently meet standards in the long term, and the treated water can be used to irrigate surrounding farmland, achieving resource recycling."

Chen Dong fell into deep thought, weighing the pros and cons of various options in his mind.

After a moment, he looked up, his gaze firm, and said, "Professor Zhang, I think we still need to use the best solution. This is not only responsible to the environment, but also to the future of the pig farm. Please design the solution according to the most advanced technology. I believe that only by getting it right the first time can the pig farm remain invincible in future market competition."

Professor Zhang looked at Chen Dong approvingly, his eyes full of approval: "Mr. Chen, your awareness and vision are truly exceptional. With your determination, this pig farm renovation is sure to be a success. I'll go back and quickly develop a detailed plan for you, including equipment selection, construction procedures, and so on, ensuring that every step is scientifically sound and reasonable."

The two then engaged in in-depth discussions regarding the site selection for the pig manure treatment facility and the layout of the sewage treatment system. Chen Dong listened attentively, his pen constantly jotting down notes in his notebook, not missing a single key point.

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