关于污水处理过程的英语作文
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Title: Process in Recycle of Used Water.
A huge amount of used water are produced in our daily life. Treatment of used water not only prevents environmental pollution also saves water resource. Recyle of used water is usually involved in the following process. First, used water is introduced into a sewage plant where the water are left steady for certain time. Precipitates are separated and used for fertilizers. The remaining water can be regarded as ordinary water which either is discharged into river or introduced into a purification plant for fresh water.
Therefore, we must save water in our daily life!
A huge amount of used water are produced in our daily life. Treatment of used water not only prevents environmental pollution also saves water resource. Recyle of used water is usually involved in the following process. First, used water is introduced into a sewage plant where the water are left steady for certain time. Precipitates are separated and used for fertilizers. The remaining water can be regarded as ordinary water which either is discharged into river or introduced into a purification plant for fresh water.
Therefore, we must save water in our daily life!
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