Filtration Systems

通報

問題一覧

similar to reverse osmosis but with a looser membrane

Nanofiltration

membrane system that is even looser; separate oil and water

Ultrafiltration

remove coarse suspended particulates larger than 10 micro

Deep-bed sand filtration

remove residual chlorine, chloramine disinfectants, dissolved organics such as trihalomethanes, and naturally occurring dissolved organic material

Activated carbon filtration

achieved by gravity only

Gravity filters

passed through a porous bed of filter medium; utilize effluent either from plain sedimentation or directly from sources; basic force on which entire filter works is biological action

Slow sand filter

water above the filter sand; provides a head of water

Supernatant

hypogeal biological layer; consists of biologically active microorganisms; German for “dirt cover”

Schmutzdecke

technique common in developed countries; sophisticated process

Rapid sand filter

cleaning is achieved; filtered water is passed upward; flow rate of 10-20gpm per square foot

Backwashing

widely favored in industrial and commercial water conditioning applications; eliminating the need to repump

Pressure filters

addition of one or more chemical disinfectants to kill any remaining parasites, bacteria, or viruses

Disinfection

prevent epidemics of waterborne disease; destroys ammonia; inexpensive; 50mg/L for 24 hours; 200mg/L for 3 hours

Chlorination

to reduce tooth decay

fluoridation

Water Supply and Treatment

Marie Everio · 25問 · 2年前

Water Supply and Treatment

25問 • 2年前

Underground Water Source

Underground Water Source

Types of Wells

Types of Wells

Cone of Depression

Cone of Depression

Treatment and Problems

Marie Everio · 23問 · 2年前

Treatment and Problems

23問 • 2年前

Effects of Hard Water

Effects of Hard Water

Hard Water Treatment

Marie Everio · 12問 · 2年前

Hard Water Treatment

12問 • 2年前

Basic Water Types

Basic Water Types

High Grade Water

High Grade Water

Sewage Water Treatments

Sewage Water Treatments

Aeration Process

Marie Everio · 7問 · 2年前

Aeration Process

7問 • 2年前

Other Materials for Filtration

Other Materials for Filtration

Disinfection

Disinfection

Potable Water Treatments

Potable Water Treatments

Hot Water Distribution System

Hot Water Distribution System

Types of Water Heater

Marie Everio · 7問 · 2年前

Types of Water Heater

7問 • 2年前

Hot Water Consumption

Hot Water Consumption

Disease Occurrence

Disease Occurrence

Gas Pipes

Gas Pipes

Gas Vents

Gas Vents

Pipe Colors

Pipe Colors

Color Coding of Piping

Color Coding of Piping

PIPE COLOR CODING FROM PLUMBING AND SANITARY BY GEORGE SALVAN

PIPE COLOR CODING FROM PLUMBING AND SANITARY BY GEORGE SALVAN

Valves

Marie Everio · 9問 · 2年前

Valves

9問 • 2年前

History of Plumbing Code

History of Plumbing Code

Introduction

Marie Everio · 16問 · 2年前

Introduction

16問 • 2年前

Objectives of Planning

Marie Everio · 11問 · 2年前

Objectives of Planning

11問 • 2年前