UFC 3-240-13FN
25 May 2005
CHAPTER 8 NON-CHEMICAL, NON-TRADITIONAL WATER TREATMENT DEVICES
Paragraph
8-1
POLICY .......................................................................................
178
8-1.1
Function .....................................................................................
178
8-1.2
Acceptance ................................................................................
178
8-1.3
Performance Standards.............................................................
178
8-2
TYPES OF NON-CHEMICAL WATER TREATMENT DEVICES ..........
178
8-2.1
Electrical Impressed Current Devices........................................
179
8-2.2
Grounded Wire Devices.............................................................
179
8-2.3
Sacrificial Anodes ......................................................................
179
8-2.4
Filters .........................................................................................
179
8-2.5
Magnetic Filters .........................................................................
179
8-2.6
Ultraviolet Light Generators .......................................................
179
8-2.7
Magnetic and Electromagnetic Devices.....................................
180
8-2.8
Electrostatic Devices .................................................................
180
8-2.9
Non-Traditional Water Treatment Chemical Devices ................
180
8-2.9.1
Ozone ........................................................................................
180
8-2.9.2
Copper and Silver Ionizing Devices...........................................
180
CHAPTER 9 CHEMICAL CLEANING OF WATER SYSTEMS
Paragraph
9-1
GENERAL GUIDANCE..................................................................
182
9-1.1
Pre-Operational Cleaning ..........................................................
182
9-1.2
Remedial Cleaning ....................................................................
183
9-1.2.1
Safety and Environmental Issues ..............................................
183
9-1.2.2
Contracting Cleaning Services ..................................................
183
9-1.3
Reasons for Cleaning ................................................................
183
9-1.4
Types of Deposits ......................................................................
183
9-1.4.1
Waterside Deposits Located in Heat Exchangers .....................
183
9-1.4.2
Boiler Deposits...........................................................................
184
9-2
REMEDIAL CLEANING PROCEDURES..........................................
184
9-2.1
Cleaning Methods......................................................................
184
9-2.1.1
Mechanical Methods..................................................................
184
9-2.1.2
Cleaning Agents ........................................................................
184
9-2.1.3
General Guidance and Procedures for Preparing
Cleaning Solutions.....................................................................
184
9-2.2
Hydrochloric (Muriatic) Acid.......................................................
184
9-2.2.1
Example Procedure for 10% Solution........................................
185
9-2.2.2
Carbonate Deposits ...................................................................
185
9-2.2.3
Phosphate Deposits...................................................................
186
9-2.2.4
Metallic Oxides ..........................................................................
186
9-2.2.5
Silica and Sulfate Scale .............................................................
186
9-2.2.6
Hydrochloric Acid Limitations.....................................................
186
9-2.3
Sulfamic Acid .............................................................................
186
9-2.4
Cleaning Preparation .................................................................
187
9-2.5
Methods for Removing Scale.....................................................
188
9-2.5.1
Recirculating Cleaning Process for Boilers................................
188
9-2.5.2
Circulating Method Without Heat ...............................................
189
9-2.5.3
Fill and Soak Method .................................................................
190
9-2.6
Checking Acid Solution Strength ...............................................
190
CHAPTER 10 DEVELOPING A WATER TREATMENT PROGRAM
xi
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