Wyniki wyszukiwania:

Microfiltration and ultrafiltration have gained rapid acceptance as processes that provide a reliable and very high level of particle, turbidity, and microorganism removal. This manual contains information on low-pressure membranes in widely diverse applications, operations and system designs. It will help water operators, engineers, and management ensure the success of an installation.

Chapters cover topics such as water quality, membrane science and theory, system concepts, MF and UF membrane manufacturers, applications, pilot testing, design concepts, operations, cost, residuals...

The safe and efficient operation of a liquid piping system is dependent on the continual removal of air and wastewater gases from the liquid piping system. Choosing the proper air valve for the application is critical to all liquid piping systems.

This manual provides essential information for selecting, sizing, locating, and installing air valves in water, wastewater and reclaimed water pipeline systems. This revised second edition includes information pertaining to wastewater applications including scouring velocities for larger piping systems, and information on an inflow...

This comprehensive, how-to manual and guide demonstrates how to produce a long term Integrated Resource Plan for a water utility. It helps water resources planners develop and implement a comprehensive work plan that responds to technical and institutional questions that must be addressed before deciding how to develop new water supplies.

The third edition has been completely re-arranged to better reflect the water resources planning process. Several areas of the manual have expanded information, such as: stakeholder involvement throughout the process, reclaimed water and other...

Written for both public and investor-owned utilities, AWWA M29 Water Utility Capital Financing, Fourth edition addresses both traditional and innovative utility financing alternatives to meet both short-and long-term capital requirements. M29 covers timely concerns such as inflation, growth-related demands, the impacts of public pressure to keep rates low, and new financing options and considerations. This manual should primarily be considered as a guide for determining capital requirements, strategic planning, and financing alternatives. It also provides general information for...

Cleaning: flushing, cable-attached devices, pigs and other fluid-propelled cleaning devices, and power boring devices.

Lining: cement-mortar lining, epoxy lining, conventional slip-lining, close-fit slip-lining, and cured-in-place lining techniques.

Replacment: Trenchless pipe replacement using pipe-bursting technology

This publication is the second edition of the American Water Works Association (AWWA) Manual M20; the original manual was titled "Water Chlorination." This manual provides information on chlorination and chloramination practices for the disinfection of drinking water. It does not cover the use of chlorine as an oxidant or as a disinfectant for pipeline and appurtenances.

Topics covered include: history of chlorination and chloramination; properties of chlorination chemicals; chlorination water chemistry and disinfection mechanisms; handling, storage, feed equipment of chlorine and...

Get specific guidance on designing, operating, and maintaining water distribution systems as they relate to fire protection and fire suppression activities and maximize fire protection benefits, while delivering safe, potable water to customers.

Benefits: The fourth edition has all the information you need to

• Understand the influence of fire protection requirements on distribution system design
• Determine required fire flows, using approved calculation methods
• Correctly size water system components and storage facilities
• Provide adequate and...

Controlling corrosion, done properly, can help extend the useful life of water infrastructure. Effective prevention or mitigation strategies to control corrosion are appropriate for the material and the environment involved, as well as economically feasible.

The newly revised and renamed M27 presents a logical and well-considered look at

1. How and why corrosion occurs
2. How to evaluate the corrosion potential of an environment
3. How prevention and control measures operate

Updates to this third edition were made to the figures, tables and text,...