Luterra Advanced Materials recently announced that its two core deinking agent products-Solid Deinking Agent (P-01A) and Liquid Deinking Agent (P-01B)-have achieved significant results in production applications across multiple recycled paper mills in Southeast Asia. Targeting common pain points in waste paper pulping-such as incomplete ink removal, fiber strength loss, high chemical costs, and heavy wastewater treatment loads-these two products, with their differentiated technical approaches and precise process matching, have successfully helped customers improve deinked pulp brightness and yield, reduce per-ton chemical costs, and significantly lower wastewater COD and BOD emissions.
Customer Challenge: Double Pressure of Deinking Efficiency and Cost
As global waste paper recovery rates continue to rise, deinking technology has become a critical link in recycled fiber processing. This Southeast Asian customer, an integrated paper mill producing 400 TPD of recycled cultural paper and tissue paper, primarily uses American, European, and local mixed waste paper. In actual operation, the customer faced three core challenges: first, the existing deinking agent showed poor adaptability to different ink types (offset ink, UV ink, digital printing ink) in mixed waste paper, resulting in fluctuating deinked pulp brightness and high residual ink content; second, relatively high chemical dosage kept per-ton deinking costs elevated; and third, the wastewater treatment system was under heavy load, making it difficult to consistently meet COD discharge standards.
Solution: Dual Product Line Precisely Matched to Different Processes and Paper Grades
Following on-site assessment and laboratory trials, Luterra Advanced Materials' technical team recommended two deinking agent products based on different chemical principles, enabling customers to flexibly select and combine them based on different waste paper raw materials and deinking processes.
1. Solid Deinking Agent (P-01A): High-Efficiency, Eco-Friendly Solution Driven by Bio-Enzyme Composite Technology
P-01A is a white powder product formulated using bio-enzyme composite activation technology, combined with imported alcohol-based ink separation and collection agents, high-efficiency chelating agents, and specialty surfactants, with an active content of ≥99%. Its core technical value includes:
Bio-Enzyme Synergistic Effect: The unique bio-enzyme formula acts gently on fibers, effectively protecting fiber strength and significantly improving fiber yield. The product delivers both flotation and washing deinking effects, enabling rapid ink detachment from fibers while effectively preventing redeposition.
Eco-Friendly with Reduced Wastewater Load: The product is biodegradable and greatly reduces COD and BOD in wastewater after use, reducing the load on the mill's treatment system and meeting green manufacturing standards. Customer data indicates COD removal rates of 65–85% under optimized conditions.
Low Dosage, Cost-Effective: Recommended dosage is only 1.0–2.0 kg per metric ton of dry pulp, with quick effectiveness in room temperature or cold water, significantly reducing steam consumption. The product is compatible with other papermaking additives and requires no process modification.
2. Liquid Deinking Agent (P-01B): The Convenient Choice for Highly Automated Production Lines
P-01B is a liquid deinking solution designed for large-scale, highly automated production lines. It is a light yellow to dark brown transparent liquid formulated with non-ionic and anionic surfactant blends, ink collectors, chelating agents, and other functional additives, with an active content of ≥98%. Its core advantages include:
Ready-to-Use Design with Uniform Dispersion: The product requires no pre-dissolution and can be continuously and precisely dosed via metering pumps. It dissolves completely in cold water with no layering or precipitation, ensuring excellent dispersion.
Flexible Formulation for Difficult Inks: The liquid format enables easy compounding of various active components, achieving superior removal of challenging inks such as UV inks and digital printing inks.
Low Addition Rate with Strong Adaptability: Recommended dosage is 0.5–1.5 kg per ton of waste paper. It is suitable for producing various paper grades including cultural paper, newsprint, tissue paper, and packaging paper.
Customer Value: Comprehensive Benefite
On-site application data confirmed the following key improvements achieved with the Luterra Advanced Materials deinking agent program:
| Metric | Improvement |
|---|---|
| Deinked Pulp Brightness | Increased by 3–5 percentage points |
| Residual Ink Content (ERIC) | Reduced by over 30% |
| Overall Chemical Costs | Reduced by approximately 15–20% |
| Fiber Yield | Increased by approximately 2–3% |
Key Benefits Summary:
Improved Deinking Efficiency: Brightness increased by 3–5 points with ERIC value reduced by over 30%, significantly enhancing finished paper quality.
Reduced Per-Ton Costs: Through precise product selection and dosage optimization, overall chemical costs in the deinking section were reduced by approximately 15–20% compared to the original program.
Significant Environmental Benefits: Wastewater COD discharge values were notably reduced, effectively alleviating environmental compliance pressure.
Increased Fiber Yield: The gentle mechanism of action minimized fiber degradation, improving fiber yield by approximately 2–3%.
Luterra Advanced Materials not only provides high-quality deinking agent products but also offers full-process technical support-from product selection and laboratory trials to on-site commissioning-tailored to customers' waste paper raw material characteristics and process conditions.
For more product information and technical solutions, please refer to the product parameter details on our homepage.
