Flexo Ink Wastewater Treatment System: Eco-Friendly & Cost-Effective

Flexographic printing, as a mainstream green printing technology, is widely applied in packaging, label, and flexible packaging industries worldwide. However, the frequent equipment cleaning, ink mixing, and process operation in flexo production generate a large volume of ink-containing wastewater. This type of wastewater features high chromaticity, high COD value, complex components, and poor biodegradability, containing residual water-based ink, pigments, adhesives, and suspended impurities. Improper treatment will not only lead to strict environmental penalties but also cause resource waste and increased production costs for printing factories. Our professional Flexo Ink Printing Wastewater Treatment System is tailor-made for the pain points of flexo printing wastewater, helping enterprises achieve standard discharge, water resource recycling, and low-cost environmental protection operation efficiently.

Traditional wastewater treatment equipment is mostly designed for general industrial sewage, with low pertinence to flexo ink wastewater. It often faces problems such as incomplete decolorization, unstable water quality after treatment, high energy consumption, frequent sludge blockage, and complex manual operation. Many small and medium-sized printing enterprises are trapped in a dilemma: simple treatment fails to meet environmental protection standards, while large-scale traditional treatment systems occupy huge factory space and bring high operating and maintenance costs. To solve these industry pain points, our flexo ink printing wastewater treatment system adopts customized combined technology integrating chemical pretreatment, physical filtration and automatic purification, perfectly adapting to the complex water quality characteristics of flexo printing production lines.

This system boasts four core competitive advantages that distinguish it from conventional equipment and bring substantial benefits to printing enterprises. First, it delivers ultra-high treatment efficiency and stable water quality. Equipped with optimized dosing reaction and self-cleaning microfiltration technology, it can rapidly remove ink pigments, suspended solids, organic pollutants and colloidal substances in wastewater. The ink removal rate and COD removal rate far exceed traditional equipment, ensuring the treated water stably meets national and international industrial discharge standards. Moreover, the system maintains stable operation under variable wastewater concentration and water volume, avoiding water quality fluctuation caused by intermittent production of printing factories.

Second, it achieves low energy consumption and significant cost savings. Different from high-energy-consuming traditional treatment devices, our system adopts energy-saving motor configuration and optimized internal circulation structure, reducing overall energy consumption by 20%-40% compared with conventional equipment. In addition, the system supports high-efficiency water recycling with a recycling rate of over 80%. The purified water can be directly reused for flexo machine cleaning, workshop flushing and auxiliary production, greatly cutting the enterprise’s fresh water purchase cost. Meanwhile, the equipment produces compact dry sludge after filter pressing, which reduces sludge disposal volume and lowers subsequent waste treatment expenses, realizing full-cycle cost control.

Third, it features full automatic operation and low maintenance. The system is equipped with an intelligent automatic control system, realizing automatic water inflow, automatic dosing, circulating filtration and automatic cleaning throughout the whole process. It requires no special professional technicians for operation, effectively saving labor costs. The optimized anti-clogging tubular filtration structure avoids frequent filter replacement and blockage failures, greatly reducing daily maintenance frequency and downtime loss. The open observation and modular design also facilitate staff to check operating status and conduct daily maintenance quickly.

Fourth, it has small footprint and strong adaptability. Adopting compact integrated structural design, the equipment can be placed on the ground or buried underground, occupying minimal factory space without affecting the overall production layout. It has strong adaptability to diverse production scenarios, fully adapting to different flexo ink types, wastewater concentrations and production scales, and can provide personalized customized solutions for small, medium and large printing enterprises. All core components are made of corrosion-resistant materials, with long service life and strong environmental adaptability, avoiding frequent equipment replacement caused by sewage corrosion.

The working process of the system is scientific, efficient and streamlined. Firstly, the flexo ink wastewater generated during production is centrally collected and enters the grid tank to remove large particulate impurities and floating sundries. Then the wastewater flows into the reaction tank for pH adjustment and quantitative dosing reaction, realizing flocculation and precipitation of ink pollutants and organic matter. After preliminary precipitation, the water body enters the precision filtration unit for deep purification to remove residual tiny suspended solids and pigments. Finally, the treated clean water is stored in the reuse water tank for production recycling or standard discharge, while the separated sludge is pressed into dry cakes for safe and standardized disposal without secondary pollution.

In the current era of strict environmental supervision and advocating green manufacturing, standardized wastewater treatment and resource recycling have become essential conditions for the sustainable development of printing enterprises. Our Flexo Ink Printing Wastewater Treatment System not only helps enterprises completely solve environmental protection compliance risks and avoid fines and production shutdown losses caused by substandard discharge, but also converts wastewater into reusable water resources, creating tangible economic benefits for enterprises.

Suitable for packaging printing, label printing, flexible packaging flexo printing and other related industries, this system has been successfully applied in numerous printing enterprises at home and abroad. With stable performance, simple operation and cost-saving advantages, it has won wide recognition from customers. Choose our professional flexo ink wastewater treatment system to realize green production, reduce operating costs, and empower the long-term and high-quality development of your printing business!

Email:cartonmachine.tomwang@aliyun.com
Phone/Wechat/Whatsapp:+86 133 0307 8975