Classification, knowledge and ability of wastewater treatment process design engineers.

(1) Class I workers should be serious (being serious is very important, otherwise they will definitely not be good designers) and have basic knowledge of general engineering, preferably chemical engineering and environmental protection;

(2) Class II workers (at the next higher level, the same below) should master all kinds of water treatment technology knowledge, especially common technologies;

(3) Class III worker, knowing the basic performance of various sewage treatment equipment;

(4) level 4 workers; Familiar with various calculation methods of hydraulics and biodynamics;

(5) Level 5 worker, familiar with the characteristics of various basic materials and chemicals, and familiar with the structure of various water treatment equipment;

(6) CET-6, knowing electrical, automatic control, machinery, laboratory and other related knowledge;

(7) Grade 7 worker, able to integrate all kinds of knowledge, good at specialized research, learn to communicate with people, and have a good literary foundation;

(8) Grade 8 workers have a high interest in life, have their own hobbies and are ready to help others, and analyze and deal with various problems from a philosophical point of view.