Treating water using a homemade coagulant.
At the school lab, we occasionally try some more daring things, like making our own coagulant to treat water. In this video, therefore, we make homemade aluminum sulfate and treat the water at home on a day when it was quite strange.
If you can help the channel, you can contribute by purchasing the e-book or the physical book at the links below:
https://go.hotmart.com/F56915763M?dp=1 (e-book)
https://loja.uiclap.com/titulo/ua25925/ (physical book)
Or, the Preparatory Course for Public Service Exams in the Sanitation and Environment Area:
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If you only want the Preparatory Course booklet, then the link is this one:
https://go.hotmart.com/V98163593I
Thanks, everyone, see you in the next video!!!