Reliable Wastewater Treatment Solutions for Vietnam Papermaking Wastewater Treatment Project
As one of the fastest-growing manufacturing economies in ASEAN, Vietnam has witnessed rapid expansion in its pulp and papermaking industry in recent years. Driven by strong export demand for packaging paper, tissue paper, and industrial paper, as well as the government’s push for industrial upgrading, paper mills are widely distributed in key provinces such as Ho Chi Minh City, Binh Duong, Dong Nai, and Haiphong. From large integrated pulp enterprises to medium-sized packaging and tissue paper producers, the whole industry is moving toward large-scale and standardized development.
However, the rapid growth of the papermaking industry has also brought prominent environmental pressure. Papermaking is a water-intensive industry that produces a large amount of high-concentration organic wastewater. In Vietnam’s tropical monsoon climate, coastal salt fog, and dense river network environment, untreated papermaking wastewater will seriously pollute water sources, damage aquatic ecosystems, and affect agricultural irrigation and residents’ water use.
At the same time, Vietnam’s environmental protection regulations are becoming stricter, and paper mills are required to build complete and stable Papermaking Wastewater Treatment Project to achieve standard discharge and resource recycling.
Facing these challenges, Center Enamel, as a global leading EPC contractor for wastewater treatment and biogas projects, provides customized Wastewater Treatment Solutions for Vietnam’s papermaking industry. With GFS Tanks as core equipment, combined with advanced anaerobic processes, we help local paper mills solve wastewater treatment difficulties, reduce operating costs, and realize green and sustainable production.
How Papermaking Wastewater Is Generated
Papermaking wastewater is mainly produced in three key production links, with complex components and high treatment difficulty:
Pulping Process Wastewater: Including cooking black liquor, washing wastewater, screening wastewater, and bleaching wastewater. It contains a large number of lignin, cellulose, alkaline substances, and chemical additives, with ultra-high COD, deep color, and strong corrosiveness, which is the most difficult part to treat.
Papermaking White Water: Generated in the paper forming, pressing, and drying processes, containing a lot of fine fibers, fillers, and rubber materials. Although the organic concentration is low, the suspended solids are high, and direct discharge will cause fiber loss and water eutrophication.
Waste Paper Recycling Wastewater: Produced in waste paper pulping, deinking, and cleaning, containing ink, adhesives, micro fibers, and chemical residues. The composition is complex, biodegradability is poor, and it has a certain inhibitory effect on microorganisms.
These characteristics make Vietnam’s papermaking wastewater have high requirements for the corrosion resistance, load capacity, and stability of the treatment system, which is highly compatible with the technical advantages of Center Enamel.
Advanced Anaerobic Technologies for Vietnam Papermaking Wastewater Treatment Project
For high-concentration organic papermaking wastewater, anaerobic biological treatment is the core technology to remove COD and recover biogas. Center Enamel integrates four mature and efficient anaerobic processes into Wastewater Treatment Solutions to adapt to different scales of Vietnam’s Papermaking Wastewater Treatment Project:
IC (Internal Circulation) Reactor: The most advanced high-rate anaerobic technology, suitable for large-scale paper mills. It uses biogas to drive internal liquid circulation, with high mass transfer efficiency, 3–5 times higher load than traditional reactors, stable COD removal effect, and space-saving.
UASB (Upflow Anaerobic Sludge Blanket) Reactor: Mature and reliable, widely used in Southeast Asia. Wastewater flows upward through the granular sludge layer to fully degrade organic matter. It has simple structure, low operation cost, and is suitable for medium-sized papermaking wastewater treatment.
CSTR (Completely Stirred Tank Reactor): With mechanical stirring to prevent sludge deposition and crusting, it is especially suitable for papermaking wastewater with high fiber and high suspended solids, with stable operation and continuous biogas production.
USR (Upflow Solid Reactor): Suitable for high-solid wastewater, no complex three-phase separator and stirring equipment, simple operation and low investment, ideal for small and medium-sized paper mills.
Center Enamel carries out water quality testing and process simulation for each project, and selects the best process combination to ensure stable operation and maximum biogas recovery.
Core Advantages of Center Enamel in Vietnam Papermaking Industry
Strong R&D Strength: With more than 200 patented enamel formulas and self-produced enamel powder, it has super corrosion resistance and adapts to the corrosive characteristics of papermaking wastewater.
Asia’s Largest GFS Tanks Production Base: Modular prefabrication, standardized production, stable quality, and can guarantee delivery even in remote areas of Vietnam.
International Standard Certification: In line with ISO 28765, AWWA D103-09, OSHA, NSF/ANSI 61 standards, each plate passes 1500V spark test to ensure zero defects.
Rich Experience in Southeast Asia: Familiar with tropical climate, coastal salt spray, and local construction conditions, suitable for Vietnam’s project environment.
Full-process EPC Service: Provide one-stop service from design, manufacturing, transportation, installation to commissioning and after-sales, tailored for each Papermaking Wastewater Treatment Project.
Key Equipment for Wastewater Treatment Solutions
1. GFS Tanks (Glass-Fused-to-Steel Tanks)
As the core equipment, GFS Tanks are widely used in anaerobic reactors, regulating tanks, and sedimentation tanks.
Super Corrosion Resistance: Fused at 820°C, resistant to pH 1–14, suitable for acid, alkali, and corrosive papermaking wastewater.
Seismic & Weather Resistance: Bolted connection has good seismic performance, resistant to strong UV, high humidity, and salt spray, service life over 30 years.
Fast Installation: Factory prefabricated, bolted assembly on site, no welding, short construction period.
2. Fusion Bonded Epoxy (FBE) Tanks
Used for water quality regulation and reuse water storage, cost-effective and durable.
3. Double Membrane Gas Holders
Collect biogas for power generation and heating, turning waste into energy and reducing enterprise energy costs.
4. Tank Roof Systems
Air Membrane Roof: Flexible, light, and gas-tight with automatic pressure adjustment.
Enamel Roof: Corrosion-resistant GFS roof for harsh chemical environments.
Sun Panel Roof: Light-transmitting, weather-resistant, and durable.
Aluminum Flat Roof: Cost-effective, salt-spray resistant, and easy to install.
FRP Roof: Lightweight, high-strength, and chemically stable.
Aluminum Dome Roof: Arched, wind-resistant, rainproof, and ideal for tropical Vietnam.
5. Supporting Piping and Automatic Control System
Realize automatic operation, stable operation, and reduce manual management cost.
Why Center Enamel Is the Preferred EPC Contractor
Adapt to Vietnam’s Environment: Optimized for high temperature, humidity, coastal salt spray, seismic zone, and remote sites.
Full Turnkey Solution: Single-point responsibility, save customer management and time cost.
Advanced Jacking Installation Technology: Top-down installation without large cranes, suitable for narrow and remote sites.
Zero On-site Welding: Bolted connection avoids welding quality problems caused by humid climate.
Fast Commissioning: No concrete curing cycle, quick to put into use and realize benefit.
Perfect After-sales Service: Southeast Asia service team provides timely technical support and training.
Installation Process of Center Enamel
Factory Prefabrication: All components are processed and tested in the factory.
Modular Transportation: Small size, convenient for land and sea transportation.
Hydraulic Jacking Installation: Safe construction without high-altitude operation.
Bolted Assembly: Fast speed, stable quality, less affected by climate.
Quick Commissioning: Rapid startup and operation.
Successful Project Cases
Case1: Jiangxi Papermaking Wastewater Treatment Project
Application Field: Papermaking Wastewater
Project Location: Jiangxi
Tank Dimensions: φ15.29 × 28.2 m (H) — 2 Units
Total Tank Volume: 10,350 m³
Completion Date: 2023
Operational Status: Construction Completed; Now Operational
Case2: Yunnan Papermaking Wastewater Treatment Project
Tank Dimensions: φ9.94 × 18 m (H) — 1 Unit
Total Tank Volume: 1,396 m³ — 1 Unit
Completion Date: 2024
Operational Status: Construction Completed and Fully Operational
With the continuous development of Vietnam’s papermaking industry and the strengthening of environmental protection policies, a professional Papermaking Wastewater Treatment Project has become a necessary condition for enterprises to operate sustainably. Center Enamel relies on advanced anaerobic technology, high-quality GFS Tanks, and complete EPC service capabilities to provide efficient and reliable Wastewater Treatment Solutions for Vietnam’s papermaking industry.
We help paper mills achieve standard discharge, energy recycling, and cost reduction, and become a long-term partner for the green development of Vietnam’s papermaking industry.