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Producing electricity from coal

The diagram illustrates how a specific variety of coal is utilized in the generation of electricity. Looking from an overall perspective, it is readily apparent that the process of electricity production is divided into three main stages. These consist of the initial extraction of coal, its treatment in various facilities, and finally the distribution/provision of electricity to necessary areas. 

At the beginning, coal is extracted from underground mines and subsequently subjected to a crushing process. The resulting smaller pieces of coal are thereafter loaded on trucks to be transferred to a gasifier, in which it is heated to create gas.

In the following stages, the produced gas is conveyed to a separate facility, where it is cooled to dissipate residual heat and then sent to another treatment plant for purification. After that, the clean gas enters a gas power plant and is combusted to generate electricity, with additional waste heat released as a byproduct of the conversion process. Lastly, the produced electricity is transmitted through power lines and supplied to various end users, including households and industrial facilities. 

Words: 179 

illustrate minh họa  

variety loại, dạng  

utilize sử dụng  

generation (of electricity) sự tạo ra (điện)  

perspective góc nhìn, quan điểm  

apparent rõ ràng  

process quy trình  

production sự sản xuất  

consist of bao gồm  

extraction sự khai thác  

treatment quá trình xử lý  

facility cơ sở, nhà máy  

distribution sự phân phối  

provision sự cung cấp  

necessary cần thiết  

extract khai thác  

underground dưới lòng đất  

subject to chịu, bị đặt vào 

crushing process quá trình nghiền  

resulting kết quả là  

thereafter sau đó  

load chất, xếp (lên xe…)  

transfer chuyển  

gasifier thiết bị khí hóa  

create tạo ra  

stage giai đoạn  

produce sản xuất  

convey vận chuyển  

separate riêng biệt  

cool làm nguội  

dissipate phân tán, tiêu tán  

residual heat nhiệt dư  

purification sự tinh lọc  

combust đốt cháy  

generate tạo ra  

waste heat nhiệt thải  

byproduct sản phẩm phụ  

conversion sự chuyển đổi  

transmit truyền tải  

supply cung cấp  

end users người dùng cuối  

households hộ gia đình  

industrial facilities các cơ sở công nghiệp  

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