A technician recovered 221⁄2 pounds of refrigerant R-12 for disposal by emptying5⁄6 of a pound of R-12 from each of a number of portable dehumidifier units. Howmany dehumidifier units did the technician empty?

Q: What is the volume of a CSTR with no recycling of settled solids and treating 80 m3/day of…

A: The given data in the question are: The wastewater flow rate (Q) = 80 m3/day The value of θx for…

Collection Systems

The collection systems form a part of sanitary engineering, which is a sub-branch of civil engineering. It is also known as public health engineering and wastewater engineering. It is a methodology followed to remove and properly dispose of human waste, along with creating systems to provide safe and clean usable water. These measures ensure a hygienic and disease-free community. Sanitary engineering, apart from building sewer disposal units, is also involved in plumbing, fire protection, hydraulics, life safety, environmental protection, information technology, microbiology, pathology, and so on.