Cooling — Process Challenge

Inibidores de Corrosão para Água de Resfriamento (Aço e Cobre)

Sistemas de resfriamento misturam componentes de aço-carbono e de metais amarelos (cobre/latão/almirantado); a água oxigenada em recirculação corrói o aço e deszincifica ou provoca pites no cobre. O projeto usa um inibidor anódico e um catódico para o aço, além de azóis para metais amarelos
Updated Jun 2026
Abordagem de solução

RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.

Typical Treatment Workflow
1
Water & System Assessment
Characterize the water and the system — hardness, alkalinity, pH, TDS/conductivity, microbial load, and the metallurgy and temperatures of the equipment being protected.
2
Program & Chemistry Selection
Match coagulants, flocculants, scale and corrosion inhibitors, biocides, or pH adjusters to the water profile and discharge limits, factoring compatibility with any existing program.
3
Jar Testing & Dosing
Confirm coagulant and flocculant dose and feed point by jar test, set inhibitor and biocide treat rates, and size packaging (drums, totes, bulk) to consumption.
4
Monitoring & Control
Track residuals, turbidity, ORP, corrosion coupons, and effluent compliance, adjusting chemistry and dose as feedwater and load change.
Recommended Chemistries (5)
Molibdato de Sódio
CAS 7631-95-0
Aditivos Especiais
Molybdate corrosion inhibitor
Anodic passivator for mild steel; molybdate reinforces the protective gamma-Fe2O3 oxide film and is far less toxic than chromate, working synergistically with zinc
Physical Description: White solid; Colorless crystalline solid   Ponto de fusão:687 °C   Solubility: Solubility in water, g/100ml at 100 °C: 84
Visualização rápida
Detalhes completos
Zinc Nitrate
CAS 7779-88-6
Aditivos Especiais
Condicionamento
1514 (ZINC NITRATE) · Class
Cathodic inhibitor; Zn2+ precipitates as Zn(OH)2 at cathodic sites, throttling the oxygen-reduction reaction that drives steel corrosion
Physical Description: Zinc nitrate is a colorless crystalline solid. …   Appearance: White powder   Ponto de fusão:36 °C
Visualização rápida
Detalhes completos
Tolyltriazole (TTA / Methylbenzotriazole)
CAS 29385-43-1
Aditivos Especiais
Yellow metal protection
Tolyltriazole chemisorbs a Cu-TTA film on copper/brass, stopping dissolution and dezincification; more chlorine-tolerant than benzotriazole
Visualização rápida
Detalhes completos
Benzotriazole (BTA)
CAS 95-14-7
Aditivos Especiais
Copper corrosion inhibitor
Benzotriazole forms a tenacious Cu-BTA chelate film that passivates yellow metals and suppresses galvanic copper plating onto steel. (Spine tags Biocidal; the role here is copper corrosion inhibition.)
Ponto de fusão:98–100 °C   Ponto de ebulição:204 °C at 15 mmHg   Densidade:1.36 g/cu cm at 20 °C
Visualização rápida
Detalhes completos
2-Mercaptobenzothiazole (MBT)
CAS 149-30-4
Aditivos Especiais
Inibição de corrosão
2811 (2-MERCAPTOBENZOTHIAZOLE) · Class
Thiol-bearing azole gives fast initial copper passivation and is often paired with TTA for rapid film establishment on fresh metal
Ponto de fusão:177–181 °C   Ponto de ebulição:Decomposes   Densidade:1.42 at 20 °C
Visualização rápida
Detalhes completos

Precisa de ajuda para selecionar o produto químico certo?

Nossa equipe pode ajudar com seleção de graus, orientação de dosagem e abastecimento multi-origem.

Solicitar Cotação All Water Treatment Problems
Solicitar Cotação

Catálogo em português →