The urine revolution: how recycling pee could help to save the world
网页2022年2月9日 · Starting in 2021, a team of researchers began collaborating with a local company that rents out portable toilets. The goal is to collect more than 70,000 litres of urine over 3 years from ...
We developed a simple process to recycle urine. Here’s how it’s …
网页2020年11月18日 · A urine-diverting toilet does exactly what its name suggests – it separates the urine from the faeces. These toilets can be designed to look exactly like conventional toilets by concealing a...
Urine - Wikipedia
网页Urine is a liquid by-product of metabolism in humans and in many other animals. In placental mammals, urine flows from the kidneys through the ureters to the urinary bladder and is ejected from the penis or vulva through the urethra during urination. In other vertebrates, urine is excreted through the cloaca.
Urine: Waste Product or Biologically Active Tissue? - PMC
网页The composition of urine reflects the generation of by-products of ongoing metabolism and the overall need to maintain solute and water balance in the body. 1 Historically, urine has been viewed primarily as a waste product with no biological role in the overall health of an individual, except perhaps as the “culture-media” for uropathic Escheri...
Urine: from waste to fertilizer - Kidney International
网页(a) Urine, which is rich in nitrogen (as urea), phosphorus, and potassium, the 3 macronutrients (NPK) used by plants, is separated from the rest of the excrement via a urine diversion (UD) system. Nutrients are then extracted and …
The urine revolution: how recycling pee could help to save the world
网页The urine revolution: how recycling pee could help to save the world. Nature. 2022 Feb;602 (7896):202-206. doi: 10.1038/d41586-022-00338-6.
We developed a simple process to recycle urine. Here's how it's …
网页2020年11月20日 · A urine-diverting toilet does exactly what its name suggests—it separates the urine from the faeces. These toilets can be designed to look exactly like conventional toilets by concealing a trap that diverts the urine. We developed a simple process that could encourage people to recycle urine.
Urine: The liquid gold of wastewater - ScienceDirect
网页2018年4月1日 · Urine is a valuable “waste” stream that could potentially be used to off-set the need to mine and produce synthetic fertilizers. There is an urgent need for new sources of key nutrients, including nitrogen, phosphorus and potassium, whereby we recycle and reuse these natural nutrients.
网页Con-straints include smell, possible contamination with pathogens or pharmaceutical residues, and cost for storage and transportation of large vol-umes of urine. In rural, low-income settings, urine can be stored in containers to eliminate pathogens before being used directly in the elds.
Current scenario and challenges in recycling of human urine …
网页The current scenario of human urine being directly discharged into the environment without recycling, despite being an economical source of fertilizer. Train coaches are the major source of large-scale urine waste generation. Adopting a circular economy creates significant synergies toward usages of water generated after nutrient recovery from ...