as far as I know from that ...

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as far as I know from that article http://file.scirp.org/Html/2-2200743_41855.htm
Phosphate was detected in 93% of the samples (94.65 mg∙L−1 average); its strong presence was most likely due to the laundry water contents.
We have tested Vortex Layer Technology to remove phosphates from wastewater
here is the link to video-report https://youtu.be/jMmrMCwZdf8
and full article is here https://avs.globecore.com/removal-phosphates-waste-water.html