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Antifoams and defoamers for the pulp and paper industry, such as Elkem's SILCOLAPSE™ or Archroma's Antimussol®, are specialized chemicals designed to improve production efficiency, enhance drainage, and eliminate foam during pulping, washing, and papermaking. Silicone-based agents are highly efficient in brown stock washing, while fatty alcohol-based solutions offer sustainable, biodegradable alternatives for various stages.
Types of Antifoams in Pulp & Paper
- Silicone-Based Defoamers: Known for high efficiency, durability, and excellent foam knockdown in aggressive environments like brown stock washing and bleaching. Examples include SILCOLAPSEâ„¢ 910 and 825.
- Non-Silicone/Organic Defoamers: These are often based on fatty alcohols, mineral oils, or polyethers. They are effective for applications that cannot tolerate silicone, such as specialized pulp processing.
- Fatty Alcohol-Based: Offer strong performance in both acidic and alkaline environments and are biodegradable.
Key Applications
- Pulp Washing & Screening: Reduces foam generated during the removal of lignin, improving drainage and reducing chemical consumption.
- Bleaching: Manages foam caused by high-strength oxidizing chemicals.
- Paper Machine/Wet End: Controls entrained air and surface foam, reducing surface defects and enhancing paper quality.
- Wastewater Treatment: Eliminates foam in effluent systems.
Key Benefits
- Improved Drainage: Enhances the water removal rate on the paper machine, increasing production speed.
- Increased Productivity: Prevents shutdowns caused by foam buildup and improves pulp cleanliness.
- Cost Efficiency: Low-dosage silicone products help reduce overall operating costs.
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Silicone antifoams and defoamers for Pulp & Paper
Elkem.com
https://www.elkem.com › packaging-paper-films › pulp...
Elkem.com
https://www.elkem.com › packaging-paper-films › pulp...
Elkem antifoaming and defoaming products improve productivity, quality and safety in Pulp & Paper processing and are more environmentally friendly.
Pulp Processing Foam Control & Antifoam for Paper Industry
ywlchemical.com
https://ywlchemical.com › antifoam-in-paper-industry
ywlchemical.com
https://ywlchemical.com › antifoam-in-paper-industry
Feb 24, 2026 — Expert solutions for pulp processing foam control. Our antifoam for paper industry improves drainage, reduces black liquor loss, ...
Antifoam-Pulp And Paper -rickmanchemical.com
xiamen rickman chemical technology co., ltd
https://www.rickmanchemical.com › antifoam-pulp-and-...
xiamen rickman chemical technology co., ltd
https://www.rickmanchemical.com › antifoam-pulp-and-...
Jan 6, 2023 — Defoamers and antifoams from Rickman enable manufacturers to increase productivity and decrease production costs thanks to their defoaming and deaeration ...Read more
Silicone Defoamers: Performance Booster or Risk?
Paper 360
https://paper360.tappi.org › Chemistry
Paper 360
https://paper360.tappi.org › Chemistry
Nov 13, 2019 — Silicone defoamers are a sustainable, robust, reliable, efficient antifoam technology for the pulp and paper industry.Read more
Defoamers for pulp and paper processes
Kemira
https://www.kemira.com › products › defoamers-for-pu...
Kemira
https://www.kemira.com › products › defoamers-for-pu...
Our complete line of defoamers and de-aerators help effectively control foam and entrained air in all pulp and paper processes.
Defoamer chemicals for pulp and paper processes - Buckman
buckman.com
https://www.buckman.com › applications › defoamers
buckman.com
https://www.buckman.com › applications › defoamers
Buckman offers a full range of defoamer chemicals for pulp and paper systems as well as entrained air monitoring technology.
Silicone Antifoams for Pulp & Paper
YouTube · Elkem Silicones
2.4K+ views · 8 years ago
YouTube · Elkem Silicones
2.4K+ views · 8 years ago
Silicone antifoams are also more durable than organic based anti foam and so generate overall cost savings for industrial.
What is a defoamer and how does it work in the paper ...
Amazon Chemicals
https://www.amazon-chem.cn › research-developme
Amazon Chemicals
https://www.amazon-chem.cn › research-developme
Silicone-based defoamers offer strong performance in pulp processing. They resist heat and chemicals, and they remain non-toxic. However, improper ...Read more
Defoamers for the Pulp & Paper Industry
Applied Material Solutions
https://appliedmaterialsolutions.com › Blogs
Applied Material Solutions
https://appliedmaterialsolutions.com › Blogs
Jun 9, 2020 — AMS defoamers provide a significant reduction of foam and entrained air, and when properly applied, there is little impact on paper machine sizing.Read more
Pulp Additives for Packaging Strength
Archroma
https://www.archroma.com › products › pulp-additives
Archroma
https://www.archroma.com › products › pulp-additives
Antimussol® is an antifoam emulsion developed for pulp mills. It is primarily used to control foam formation and enhance drainage efficiency during different ...Read more