tailieunhanh - Handbook of Water and Wastewater Treatment Plant Operations - Chapter 4

Nếu không có khả năng thực hiện các tính toán toán học, các nhà khai thác sẽ gặp khó khăn trong đúng cách điều hành nước và hệ thống nước thải. Trong thực tế, hầu hết các tính toán Các nhà khai thác cần để thực hiện không khó. Nói chung, toán học khả năng thông qua các đại số cơ bản là tất cả những gì là cần thiết. Kinh nghiệm đã chỉ ra rằng kỹ năng với các hoạt động toán học được sử dụng trong nước và hoạt động hệ thống xử lý nước thải là một kỹ năng có được được tăng cường. | PART II Water Wastewater Operations Math and Technical Aspects 2003 by CRC Press LLC 4 Water and Wastewater Math Operations To operate a waterworks and or a wastewater treatment plant and to pass the examination for an operator s license you must know how to perform certain mathematical operations. However do not panic as Price points out Those who have difficulty in math often do not lack the ability for mathematical calculation they merely have not learned or have not been taught the language of math. 1 2 3 INTRODUCTION Without the ability to perform mathematical calculations operators would have difficulty in properly operating water and wastewater systems. In reality most of the calculations operators need to perform are not difficult. Generally math ability through basic algebra is all that is needed. Experience has shown that skill with math operations used in water and wastewater system operations is an acquired skill that is enhanced and strengthened with practice. Note Keep in mind that mathematics is a language a universal language. Mathematical symbols have the same meaning to people speaking many different languages throughout the globe. The key to learning mathematics is to learn the language the symbols definitions and terms of mathematics that allow you to understand the concepts necessary to perform the operations. In this chapter we assume the reader is well grounded in basic math principles. We do not cover basic operations such as addition subtraction multiplication and division. However we do include for review purposes a few basic math calculations in the Chapter Review Questions Prob-lems at the end of the chapter. CALCULATION STEPS As with all math operations many methods can be successfully used to solve water and wastewater system problems. We provide one of the standard methods of problem solving in the following 1. If appropriate make a drawing of the information in the problem. 2. Place the given data on the drawing. 3. Determine