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Pulp and Paper

2026-10-19

Pulp and Paper Wastewater Treatment Chemicals

Products for organic load, resin and surfactant foam, biological stability, odors and water reuse.

Pulp and paper wastewater can contain fibers, fines, dissolved organics, resin acids, coating chemicals and surfactants. Load changes and recycled-water loops may increase foam, COD and biological instability.

GZXZEP products support selected biological, foam, nitrogen, odor and RO applications after primary solids and fiber recovery are working correctly.

Match Your Treatment Challenge to the Right Product

Treatment challenge Treatment approach Relevant GZXZEP products Application point
Variable organic COD Evaluate biological enhancement after fiber and solids removal. XZ8811 COD-Degrading Culture Biological treatment
Persistent process foam Use a tested wastewater defoamer. XZ8605 Foaming tank
Nitrate removal limited by carbon Evaluate external carbon and denitrifying culture. NBC-70W or NBC-44WS; XZ8822 Anoxic tank
Odors from sludge or wastewater areas Treat collected air in a compatible scrubber. NPD3010 Industrial Exhaust Deodorizer Scrubber recirculation water
RO reuse scaling and fouling Select membrane chemicals from feedwater and foulant data. XZ9901/XZ9902/XZ9903/XZ9905/XZ9906 RO feed and CIP

 

Biological COD and Nitrogen Support

XZ8811 may support biological COD removal after fibers, suspended solids and inhibitory loads are controlled. NBC-70W or NBC-44WS may be evaluated when anoxic denitrification lacks biodegradable carbon; XZ8822 supports denitrifying biomass where appropriate.

Link: Explore Microbial Treatment Products

Link: Explore External Carbon Sources for Denitrification

Foam and Odor Control

XZ8605 is intended for wastewater treatment foam and should be tested against the actual furnish and auxiliary chemicals. NPD3010 may be used as an odor-polishing product in compatible collected-air scrubbers.

Link: Explore Wastewater Treatment Chemicals

Link: Explore Plant-Based Odor Control Products

RO Water Reuse

RO chemical selection should follow upstream control of fibers, colloids, hardness and organics. Antiscalant, microbial control and CIP cleaning are separate functions and must follow membrane limits.

Link: Explore RO Membrane Treatment Chemicals

Application Based Evaluation and Technical Support

  1. Review the treatment challenge. Share the wastewater source, process layout, recent analysis, operating conditions and treatment target.
  2. Select the relevant evaluation. Use a test suited to the product, such as jar testing, biological trials, foam testing, odor-contact trials or membrane compatibility review.
  3. Run a controlled site trial. Record baseline conditions, dosing point, product consumption and the indicators relevant to the selected treatment.
  4. Optimize the treatment program. Adjust the product and dose using operating data and check downstream effects before routine use.

GZXZEP provides product selection, laboratory evaluation and application support. Final performance depends on wastewater characteristics, process conditions, equipment and site operation.

Frequently Asked Questions

Can defoamer be selected without a foam test?

A foam test is recommended because furnish, coatings and surfactants change foam behavior and downstream compatibility.

Does bioaugmentation replace fiber recovery?

No. Fibers and suspended solids should be removed upstream before biological treatment is optimized.

Can the odor product treat process gases directly?

It is intended for suitable wet contact systems and does not replace primary control of hazardous or corrosive gases.

What information is needed for product selection?

Provide the wastewater source, flow, recent analysis, current treatment process, chemicals now in use and the required discharge or reuse target. A sample may be requested after the initial review.

Discuss Your Pulp and Paper Wastewater Treatment Needs

Share the furnish, wastewater source, current treatment process, foam behavior and reuse target for product evaluation.

Button: Request a Quote