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i.. <br /> i6.r NW??ro,_ Harding Lawson Associates <br /> average daily output over one year is 12 . 6 lbs/day <br /> which equates to 5, 300 pounds per year. <br /> w. <br /> 4. Basic Equipment Information <br /> The equipment used in this VES will operate <br /> continuously, 24 hours per day. The inlet and outlet <br /> temperatures should not exceed ambient air temperatures <br /> as there is no heating process except for the heat <br /> �• transfer from the blower. There is only one emission <br /> point and that is from the blower exhaust into the <br /> first carbon reactor. An air sampling point will be <br /> installed in-line between the blower and carbon reactor <br /> to monitor flow rate and vapor concentrations. A <br /> second monitoring point will be installed between the <br /> first and second carbon reactors, and a third <br /> monitoring point will be the exhaust of the second <br /> reactor. The only energy consumption by the VES will <br /> be electrical. The blower will be the main draw of <br /> w0 electrical power which is calculated to be 3. 7 KW/hr. <br /> a. Vacuum Blower - One (1) Sutorbilt rotary positive <br /> go displacement blower Model # 4MVL driven by a 5 <br /> Horsepower Electric motor. Maximum flow rate <br /> without restriction at 2, 000 RPM would be <br /> approximately 230 cubic feet per minute (CFM) . <br /> Actual rate is anticipated as 160-180 CFM. <br /> Electrical consumption is calculated to be 3 .73 <br /> KW/hr (1 horsepower-hour equals 0. 7457 KW/hr) . <br /> b. Water Knockout Vessel - This will be custom-built <br /> by the consultant. It will consist of a simple <br /> design to prevent water from entering the blower <br /> and saturating the carbon. A high water level <br /> float switch will be installed to shut off the <br /> blower when the vessel becomes too full. Any <br /> `- entrained water will be transferred into 55 gallon <br /> drums on site for eventual removal. <br /> .,, 5. Control E ui ment Description and Calculated Efficient <br /> A schematic of the location of the control equipment is <br /> shown in Plate 4. This also shows the location of the <br /> monitoring points and exhaust stack. For the purposes <br /> of monitoring and reporting the carbon reactors are <br /> labeled as R-1 and R--2 . The reported values for R-2 <br /> �- represent the treated emissions being vented to the <br /> atmosphere. <br /> Carbon Reactors - Two (2) Sun-Ag Inc. Model 2000V vapor <br /> phase adsorbers. Maximum flow rate capacity of 800 <br /> CFM. Each reactor will contain 2 , 000 pounds of Virgin <br /> 032909P/R53 <br /> it <br />