Quartz sand has important application value in the water treatment industry,
mainly reflected in its filtering medium function, chemical stability, and
cost-effectiveness. The following is a detailed explanation of its application
value:
1、 The main use of quartz sand in water treatment
1. As a filtering medium
Quartz sand is the most common and fundamental physical filtration material
in the water treatment industry, widely used in:
Sand filter in water plant
Industrial circulating water treatment
Third level treatment of sewage treatment plants
Pool water filtration
Groundwater purification treatment
It is usually used in pressure filters or gravity sand filters to form a
multi-media filtration system with anthracite, activated carbon, etc., for
intercepting suspended solids, colloidal particles and other impurities in
water.
2. Pre treatment of softened water
In the preparation of softened water or pure water, quartz sand is often used
as a filler in the pretreatment device to remove large particle impurities and
extend the service life of resins or reverse osmosis membranes.
2、 The advantages and value of quartz sand
1. Uniform particle size and high filtration efficiency
High quality quartz sand particles have a reasonable size distribution
(commonly available in different specifications such as 0.5-1.0 mm, 1.0-2.0 mm,
2.0-4.0 mm, etc.), which can form a good filtering hierarchical structure.
When multiple layers of filter media are used, quartz sand is located at the
bottom layer, providing support and also participating in intercepting small
particles to improve filtration accuracy.
2. Chemical stability and corrosion resistance
The main component of quartz sand is silicon dioxide (SiO ₂), which has high
chemical stability and is not easily dissolved or involved in chemical reactions
in acidic and alkaline water. It is suitable for various water quality
environments.
3. High mechanical strength and long service life
Not easily broken or worn, can be repeatedly backwashed before use, reducing
replacement frequency and maintenance costs.
Quartz sand can still maintain good particle shape and filtration performance
after repeated cleaning and use.
4. Environmentally friendly and non-toxic
Compliant with the material standards for drinking water treatment (such as
the Chinese "Hygienic and Safety Evaluation Specification for Drinking Water
Transmission and Distribution Equipment and Protective Materials"), harmless to
the human body.
5. High cost-effectiveness
Compared with other filter materials such as activated carbon, quartz sand is
a cost-effective material in water treatment systems.
3、 The specific application of quartz sand in different types of water
treatment
Application type: The role of quartz sand
Drinking water treatment intercepts particles and impurities such as
sediment, algae, and rust, and performs primary purification
Industrial wastewater treatment intercepts suspended particles as a physical
filter layer to protect subsequent biochemical systems
Urban sewage treatment is used in reclaimed water reuse systems to improve
effluent cleanliness
Reverse osmosis pretreatment reduces RO membrane fouling and lowers operating
costs
Pool and landscape water purification to maintain water clarity, reduce
turbidity and pollution
4、 Future Development Trends and Innovative Applications
Combined with new filter media
Composite material filters (quartz sand+ceramic particles+activated carbon)
can enhance the overall filtration efficiency.
Fine grained particle size classification
High precision quartz sand has greater value for high demand filtration
systems such as semiconductors and ultrapure water.
Regeneration and Recycling
Some enterprises are exploring the regeneration and cleaning technology of
quartz sand filter material to improve the efficiency of resource recycling.
summarize
Quartz sand plays an irreplaceable and important role in the water treatment
industry. It is widely used in various water treatment scenarios from civilian
to industrial, from coarse filtration to fine filtration, thanks to its
excellent physical filtration performance, chemical stability, low cost, and
environmental friendliness. It is one of the key materials for achieving clean,
safe, and economical water treatment. In the future, with the advancement of
technology and the improvement of environmental standards, its application
prospects in high-end water treatment will also be broader.
If you have specific types or projects of water treatment, please let me know
and I can help you further customize the selection suggestions for quartz
sand.