Double-Hydrophilic Block Copolymer as an Effective and Environmentally Friendly Inhibitor for Phosphate and Carbonate Scales in Cooling Water Systems

2013 ◽  
Vol 50 (1) ◽  
pp. 14-20 ◽  
Author(s):  
Lei Ling ◽  
Guangqing Liu ◽  
Jingyi Huang ◽  
Huchuan Wang ◽  
Yuming Zhou ◽  
...  
Keyword(s):  
Block Copolymer ◽  
Cooling Water ◽  
Environmentally Friendly ◽  
Water Systems

Carboxylate-terminated double-hydrophilic block copolymer as an effective and environmental inhibitor in cooling water systems

Desalination ◽  
2012 ◽  
Vol 304 ◽  
pp. 33-40 ◽  
Author(s):  
Lei Ling ◽  
Yuming Zhou ◽  
Jingyi Huang ◽  
Qingzhao Yao ◽  
Guangqing Liu ◽  
...  
Keyword(s):  
Block Copolymer ◽  
Cooling Water ◽  
Water Systems

Performance of an Maleic Anhydride Based Polymers as Scale Inhibitor and Iron (III) Scaling in Industrial Cooling Water Systems

2014 ◽  
Vol 1044-1045 ◽  
pp. 79-82
Author(s):  
Hu Chuan Wang ◽  
Yu Ming Zhou ◽  
Wei Sun
Keyword(s):  
Maleic Anhydride ◽  
Cooling Water ◽  
Environmentally Friendly ◽  
Water Systems ◽  
Industrial Processes ◽  
Scale Inhibitor ◽  
Ft Ir

The precipitation of Ca3(PO4)2 scale on pipe surfaces widely occurs in numerous industrial processes. For the control of Ca3(PO4)2 scales, a novel environmentally friendly type of scale inhibitor Maleic anhydride (MA) - allypolyethoxy carboxylate (APEM) was synthesized. Structures of APEG, APEM, and MA-APEM were identified by FT-IR. MA-APEM possess excellent Ca3(PO4)2 inhibition, approximately 96.7 % at threshold dosage of 6 mg/L, and it also have superior ability to iron (III) dispersion in solutions approximately 24.3 % in the presence of MA-APEM when the dosage exceeds 6 mg/L. Inhibitor of MA-APEM can be used safely in cooling water systems.

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