<abstract xmlns="http://www.w3.org/1999/xhtml"><p>A technological quality method was used to compare two methods of sodium tripolyphosphate (STPP) production. The first method was the classic spray method (CM) and the second was a dry single-stage method (DSM). The assessment criteria were environmental, based on Life Cycle Assessment (LCA) evaluation and economic, based on production costs. The technological quality assessment of CM was 6.5% lower in comparison to DSM. LCA environmental analyses showed that the partial environmental quality of DSM was lower by only 4.4% compared to CM. Partial economic quality was lower by 10.3%, mainly due to the lower energy costs (on average 52%) for DSM. The advantage of the new DSM method is the technological progress achieved, mainly due to the application of new technology, design, and apparatus solutions; thus, the basic elements of the activities proposed in the methodology allow for cleaner STPP production.</p></abstract>

A technological quality method was used to compare two methods of sodium tripolyphosphate (STPP) production. The first method was the classic spray method (CM) and the second was a dry single-stage method (DSM). The assessment criteria were environmental, based on Life Cycle Assessment (LCA) evaluation and economic, based on production costs. The technological quality assessment of CM was 6.5% lower in comparison to DSM. LCA environmental analyses showed that the partial environmental quality of DSM was lower by only 4.4% compared to CM. Partial economic quality was lower by 10.3%, mainly due to the lower energy costs (on average 52%) for DSM. The advantage of the new DSM method is the technological progress achieved, mainly due to the application of new technology, design, and apparatus solutions; thus, the basic elements of the activities proposed in the methodology allow for cleaner STPP production.

Comparative evaluation of sodium tripolyphosphate production technologies with the use of a complex quality method

Faculty of Chemical Engineering and Technology

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A technological quality method was used to compare two methods of sodium tripolyphosphate (STPP) production. The first method was the classic spray method (CM)...

Comparative evaluation of sodium tripolyphosphate production technologies with the use of a complex quality method

Published Online: Nov 26, 2020

Page range: 48 - 54

DOI: https://doi.org/10.2478/pjct-2020-0038

Keywords
life cycle assessment, sodium tripolyphosphate, technological quality, environmental evaluation, economic evaluation

© 2020 Zygmunt Kowalski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Comparative evaluation of sodium tripolyphosphate production technologies with the use of a complex quality method

Published Online: Nov 26, 2020

Page range: 48 - 54

DOI: https://doi.org/10.2478/pjct-2020-0038

Keywordslife cycle assessment, sodium tripolyphosphate, technological quality, environmental evaluation, economic evaluation

© 2020 Zygmunt Kowalski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
life cycle assessment, sodium tripolyphosphate, technological quality, environmental evaluation, economic evaluation