reuse of human waste (or re-use or use of human waste) refers to the safe, beneficial use of animal or human waste , i.e. feces and urine . such beneficial use involves mainly the nutrient, organic matter and energy contained in human waste, rather than the water content (as is the case for wastewater...
experience. we've been co-operating with our customers in more than board machine and paper machine deliveries worldwide. our offering includes everything for profitable board and paper production: innovative technologies, reliability and performance adding services as well as advanced automation solutions...
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absorb free neutrons, which lends it to use in control rods in nuclear reactors. additionally, erbium alloys are used for their high specific heat capacity in cryocoolers for use near liquid helium temperatures. erbium is a rare earth element and can be found in any rare earth-containing mineral, but...
were numbers and . both of these elements had been predicted by mendeleev, who had named them ekamanganese and dwimanganese respectively, but despite many attempts and declarations of discovery later deemed false, both elements remained elusive until . in that year, the team of walter noddack and ida...
from the recycled oils, and includes the recycling of motor oil and hydraulic oil . oil recycling also benefits the environment: [ ] increased opportunities for consumers to recycle oil lessens the likelihood of used oil being dumped on lands and in waterways. for example, one gallon of motor oil dumped...