Asked by karem

Phosphorous (P) is an indispensable nutrient in food production. According to the estimates, mineral
phosphorous resources will end up within 50 years and consequently new sources of P has to be found.
A human excretes 2,2 g of phosphorous (P) per day on average. In conventional wastewater management
system, with flushing toilets, only 1 % of the excreted P is recycled into food production. Dry toilets
could be used as an alternative to the conventional flushing toilets and they can make it possible to recycle
80 % of P directly into food production.
a) Estimate the increase in amount of recyclable P in a country of 5,5 million persons in one year, if alternative
dry toilets would replace the conventional flushing toilets.
b) Calculate the mass percentages of P and N in struvite, (NH4MgPO4).
Answered by bobpursley
Is there a question on this poroblems? are you grazing for answers? We will be happy to critique your work.
Answered by Writeacher
This is the same person who posted six or more in a big HOMEWORK DUMP yesterday, too. No thinking involved. Just posts and hopes someone will do his work for him. =(
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