Green total organic carbon steel scale and corrosion inhibitor for circulating cooling water system
A technology of scale and corrosion inhibitor and circulating cooling water, which is applied in the directions of descaling and water softening, water/sludge/sewage treatment, chemical instruments and methods, etc., to achieve the effects of environmental friendliness, convenient use and simple preparation
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Embodiment 1
[0038] A green all-organic carbon steel scale and corrosion inhibitor for circulating cooling water systems, composed of oxalic acid, tartaric acid, hydrolytically polymerized maleic anhydride, acrylic acid / 2-acrylamide-2-methylpropanesulfonic acid copolymer, Na 2 O 2.5SiO 2 Composition, the mass percent (%) of each component is:
[0039] Oxalic acid 5%
[0040] tartaric acid 18%
[0041] Hydrolyzed Polymerized Maleic Anhydride Acrylic 7%
[0042] Acrylic acid / 2-acrylamido-2-methylpropanesulfonic acid copolymer 5%
[0043] Na 2 O 2.5SiO 2 54%
[0044] Concentrations of each component are: oxalic acid=3mg / L, tartaric acid=10mg / L, hydrolysis polymerized maleic anhydride=4ppm, acrylic acid / 2-acrylamido-2-methylpropanesulfonic acid copolymer=3mg / L , Na 2O 2.5SiO 2 =30mg / L, and the above components are fully mixed first, and then put into the circulating cooling water system.
[0045] The above scale and corrosion inhibitors are used fo...
Embodiment 2
[0050] A green all-organic carbon steel scale and corrosion inhibitor for circulating cooling water systems, composed of oxalic acid, gluconic acid, hydrolytically polymerized maleic anhydride, acrylic acid / hydroxypropyl acrylate copolymer, Na 2 O 2.5SiO 2 Composition, the mass percent (%) of each component is:
[0051] Oxalic acid 4%
[0052] Gluconic Acid 20%
[0053] Hydrolyzed Polymerized Maleic Anhydride Acrylic 4%
[0054] Acrylic acid / hydroxypropyl acrylate copolymer 3%
[0055] Na 2 O 2.5SiO 2 68%
[0056] The concentration of each component is: oxalic acid=3mg / L, gluconic acid=15mg / L, hydrolysis polymerized maleic anhydride=3mg / L, acrylic acid / hydroxypropyl acrylate copolymer=2.5mg / L, Na 2 O 2.5SiO 2 =50mg / L, and the above components are fully mixed first, and then put into the cooling water system.
[0057] The above scale and corrosion inhibitors are used for corrosion test on carbon steel:
[0058] Configure synthetic water wit...
Embodiment 3
[0062] A green all-organic carbon steel scale and corrosion inhibitor for circulating cooling water systems, composed of oxalic acid, tartaric acid, hydrolytically polymerized maleic anhydride, acrylic acid / 2-acrylamide-2-methylpropanesulfonic acid copolymer, Na 2 O 2.5SiO 2 Composition, the mass percent (%) of each component is:
[0063] Oxalic acid 3%
[0064] Tartaric acid 23%
[0065] Hydrolyzed Polymerized Maleic Anhydride 6%
[0066] Acrylic acid / 2-acrylamido-2-methylpropanesulfonic acid copolymer 6%
[0067] Na 2 O 2.5SiO 2 62%
[0068] The concentration of each component is: oxalic acid=2mg / L, tartaric acid=15mg / L, hydrolysis polymerized maleic anhydride=4mg / L, acrylic acid / 2-acrylamido-2-methylpropanesulfonic acid copolymer=4mg / L,Na 2 O 2.5SiO 2 =40mg / L, and the above components are fully mixed first, and then put into the cooling water system.
[0069] The above scale and corrosion inhibitors are used for corrosion test on carbo...
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