What is the advantage of closed technology compared to the most advanced wastewater treatment plants?

1) The most advanced wastewater treatment plants cannot completely clean sewage and industrial wastewater.
2) In closed technologies, the water used in production does not enter the environment,
3) therefore does not pollute it.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.