Experimental Study on Scale Inhibition Behavior of Polyaspartic Acid

CHEN Yong-chang; WANG Xiu-rong; QUAN Zhen-hua; XING Xiao-kai; MA Zhong-fang; CHEN Sha

doi:10.3969/j.issn.0254-0037.2006.06.014

Journal of Beijing University of Technology > 2006 > 32(6): 538-541. > DOI: 10.3969/j.issn.0254-0037.2006.06.014

CHEN Yong-chang, WANG Xiu-rong, QUAN Zhen-hua, XING Xiao-kai, MA Zhong-fang, CHEN Sha. Experimental Study on Scale Inhibition Behavior of Polyaspartic Acid[J]. Journal of Beijing University of Technology, 2006, 32(6): 538-541. DOI: 10.3969/j.issn.0254-0037.2006.06.014

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Experimental Study on Scale Inhibition Behavior of Polyaspartic Acid

The Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022, China

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Received Date: March 22, 2005
Available Online: December 29, 2022

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In order to understand inhibition behavior of polyaspartic acid on calcium carbonate, experimental study has been carried out with a static method under different conditions. As a result, the polyaspartic acid shows the best calcium carbonate inhibition capability for high calcium concentration at the temperature under 60 degree. The scale inhibition rate can be more than 90%. Besides, it has analyzed the mechanism of polyaspartic acid's scale inhibition with the SEM technology.
- polyaspartic acid(PASP),
- scale,
- scanning electron microscopy

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