本文件为各种可用的污水处理（TWW）消毒方法的应用提供了指南，以有效灭活或去除用于灌溉目的的TWW中的病原体。 本文件涉及: -？化学和物理技术、操作原理、有效剂量的确定、可能的干扰以及设计和监测的技术指导； -？比较适用于TWW的各种消毒方法的优缺点； -？消毒方法的潜在环境影响，以及将这些影响降至最低的方法； -？在TWW使用系统的不同位置进行消毒，包括废水处理厂、分配系统和使用点。

This document provides a guideline for the application of various available methods of treated wastewater (TWW) disinfection for an effective inactivation or removal of pathogens from TWW, which is intended for irrigation purposes. This document deals with: —？chemical and physical technologies, principles of operation, and establishment of effective doses to be applied, possible interferences, and technical guidance for design and monitoring; —？comparison of the advantages and disadvantages of various disinfection methods suitable for TWW; —？potential environmental effects of the disinfection methodologies and ways to minimize those impacts; —？disinfection at different locations in the TWW use system, including in the wastewater treatment plant, within the distribution system and at the point of use.