A chemical is added at the beginning of a water treatment plant at a target concentration of 8 mg/L in water. The water treatment plant provides water to a community of 340,000 people and the average water consumption in the city is 130 gallons per capita per day (gpcd). If the chemical is available in a concentrated solution that is 23% (w/w; i.e., 23 lb of chemical/ 100 lb of solution) with a specific gravity (SG) of 1.23, find the quantity of chemical solution that will be required daily (in ft' and gallons). It is desired to keep the chemical in 750 gallon tanks and have at least two weeks of chemical storage available. What is the minimum number of tanks that will be required?

A chemical is added at the beginning of a water treatment plant at a target concentration of 8 mg/L in water. The water treatment plant provides water to a community of 340,000 people and the average water consumption in the city is 130 gallons per capita per day (gpcd). If the chemical is available in a concentrated solution that is 23% (w/w; i.e., 23 lb of chemical/ 100 lb of solution) with a specific gravity (SG) of 1.23, find the quantity of chemical solution that will be required daily (in ft' and gallons). It is desired to keep the chemical in 750 gallon tanks and have at least two weeks of chemical storage available. What is the minimum number of tanks that will be required?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Integrated Solid Waste Management

Integrated Solid Waste Management (ISWM) is a thorough waste suppression, compost, removal and recycling Program. An effective ISWM system considers how to suppress, manage and recycle solid waste in a manner that is most efficiently to protect human health and the surrounding. ISWM system requires evaluation of public wants and demands and then selecting and merging the most effective waste management activities for the proposed demands. The main ISWM activities for solid waste management are Waste prevention, Recycling and Composting, and Combustion and Removal and waste collection in a properly planned, constructed, managed and mitigated landfill areas. Each of these requires careful designing, financing, accumulation, and delivery of activities.

Question

A chemical is added at the beginning of a water treatment plant at a target concentration of 8 mg/L in
water. The water treatment plant provides water to a community of 340,000 people and the average
water consumption in the city is 130 gallons per capita per day (gpcd). If the chemical is available in a
concentrated solution that is 23% (w/w; i.e., 23 lb of chemical/ 100 lb of solution) with a specific
gravity (SG) of 1.23, find the quantity of chemical solution that will be required daily (in ft and
gallons). It is desired to keep the chemical in 750 gallon tanks and have at least two weeks of chemical
storage available. What is the minimum number of tanks that will be required?
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