waste water it's a real challenge because medicines don't break down easily. by made the comment of corn to be effective medications have to fulfill certain criteria they must be stable but resistant. they need to have a long shelf life and reach certain parts of the body where they're needed so they have to remain stable during and sematic reactions. that stability is also the reason why the body doesn't completely absorbed medications so a proportion of the medications you take are eliminated by urine. up to seventy percent of the dye cliff and knock you swallow is excrete again residue from creams and gels is also rinsed away in the shower bath and ends up in the waste water. the bavarian researches have built a reactor that can break down stable drug residues in it wastewater is pulsed with