Installation of Industrial Wastewater Reuse System

What Is a Wastewater Reuse System?

A wastewater reuse system is a technological solution that treats and recycles wastewater instead of discharging it into the environment. This system removes pollutants from wastewater through physical, biological, and chemical processes, allowing the treated water to be reused for purposes such as irrigation, industrial production, machinery cooling, or even supplementing domestic water sources.

Benefits of Wastewater Reuse Systems in Industry

• Water conservation: Reduces the need for freshwater usage.

• Environmental protection: Lowers pollution from industrial and domestic wastewater.

• Cost savings: Cuts down on water procurement and wastewater treatment expenses.

• Regulatory compliance: Meets strict environmental discharge standards.

Technologies for Wastewater Treatment and Reuse

Mechanical Treatment Technology

Purpose: To remove trash, sediments, sludge, and insoluble solids.
Methods:

• Primary sedimentation: Separates heavy solids from water.

• Coarse screening: Uses screens or bar racks to trap large debris.

• Oil and grease separation: Uses an oil separator tank to remove fats and oils.

Biological Treatment Technology

Purpose: To break down organic matter using microorganisms to clean the water.
Common methods:

• ASP (Activated Sludge Process): Microorganisms decompose organic compounds.

• MBBR (Moving Bed Biofilm Reactor): Uses biological carriers to enhance treatment efficiency.

• MBR (Membrane Bioreactor): Combines biological treatment with membrane filtration to remove bacteria and viruses.

Chemical Treatment Technology

Purpose: To remove heavy metals, color, odor, and dissolved compounds.
Methods:

• Coagulation–flocculation: Uses chemicals to precipitate impurities.

• pH neutralization: Adjusts pH to a suitable range using chemicals.

• Advanced Oxidation Processes (AOPs): Uses ozone (O₃) or hydrogen peroxide (H₂O₂) to treat hard-to-degrade organic substances.

Membrane Filtration Technology

Purpose: To remove bacteria, viruses, heavy metals, and fine particles.
Methods:

• UF (Ultrafiltration): Removes bacteria and large particles.

• RO (Reverse Osmosis): Removes up to 99% of salts and heavy metals, producing high-purity water.

Disinfection Technology

Purpose: To eliminate remaining bacteria and viruses.
Methods:

• Chlorine disinfection: Uses chlorine-based chemicals to kill microorganisms.

• UV disinfection: Uses ultraviolet light to destroy bacterial DNA.

• Ozone disinfection: Highly effective with no residual chemicals.

Applications of Wastewater Reuse Systems

Wastewater reuse systems offer diverse applications and bring significant benefits in resource conservation and environmental protection. Some typical applications include:

Food and Beverage Processing Industry

Recycled wastewater can be reused in production processes, raw material washing, and equipment cleaning—helping reduce water consumption and costs.

Textile and Dyeing Industry

Treated wastewater can be reused for fabric dyeing, machinery cleaning, or even in cooling processes.

Paper and Pulp Industry

Wastewater from paper production can be reused for washing steps or repurposed for other stages, minimizing environmental impact.

Power Generation Industry

In power plants, wastewater can be reused in cooling systems—saving freshwater and reducing operating costs.

Urban Wastewater Treatment

Treated municipal wastewater can be reused for non-potable purposes such as irrigation, street cooling, or public sanitation.

Mining Industry

Wastewater can be reused for ore washing or cooling machinery—reducing freshwater consumption in mining operations.

Healthcare and Hospital Sector

Non-contaminated hospital wastewater can be treated and reused in non-critical applications such as equipment rinsing or system cooling.

Agriculture

Treated wastewater can be used for crop irrigation, lowering costs and promoting efficient water use.

Industrial Zones

Industrial parks can use wastewater reuse systems for production processes, equipment cooling, and facility cleaning.

Wasol – Trusted Provider of Consulting, Construction & Maintenance for Wastewater Reuse Systems

Wasol is a leading company in wastewater treatment and reuse in Vietnam. We provide optimal solutions that ensure high efficiency and compliance with environmental standards.

Contact Wasol for Wastewater Treatment System Consultation for Your Factory

WASOL CORP
Address: 57/14-16 To Hieu Street, Phu Thanh Ward, Ho Chi Minh City, Vietnam
Phone: 0283 961 0884 – 090 668 8934
Email: info@wasol-vn.com
Website: wasol-vn.com