where Y=7
Please solve this by typing not hand written
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where Y=7
Please solve this by typing not hand written
Q2 - A New STP at...
10) Determine the size of two stage trickling filter using the NRC equations. Assume both filters have the same effi...
10) Determine the size of two stage trickling filter using the NRC equations. Assume both filters have the same efficiency BOD removal and the same recirculation ratio. Other conditions are as follows o Wastewater temperature 20 C o Wastewater flow, Q 3785 n/d o Influent BODs 195 mg/l Design effluent BOD = 20mg/ o Depth of each filter 2m o Recirculation for filters 1 and 2, r 218
10) Determine the size of two stage trickling filter using the NRC...
Two trickling filters operating in parallel are being designed to treat the domestic wastewater from a town of 5500 people where the average per-capita wastewater generation is 450 liters per person p...
Two trickling filters operating in parallel are being designed to treat the domestic wastewater from a town of 5500 people where the average per-capita wastewater generation is 450 liters per person per day. A plastic trickling filter media and filter height of 3.5 m have been selected. The influent BOD5 is 120 mg/L and the facility must meet an NPDES permit limiting effluent BOD5 to 35 mg/L. The filter media constant (n) is 0.67 and the BOD decay constant for...
Calculate BOD loading, hydraulic loading, BOD removal efficiency, and effluent BOD concentration for a single-stage trickling...
Calculate BOD loading, hydraulic loading, BOD removal efficiency, and effluent BOD concentration for a single-stage trickling filter based on the following data: Average raw wastewater flow = 500 gpm Recirculation ration = 0.3 Primary effluent = 150 mg/L Diameter of filter = 20 meter Depth of media = 3 meter Wastewater temperature = 22 °C
6. The aeration tank for a completely mixed aeration process is being sized for a design...
6. The aeration tank for a completely mixed aeration process is being sized for a design wastewater flow of 7500 m²/day. The influent BOD is 130 mg/l with a soluble BOD of 90 mg/1. The design effluent BOD is 20 mg/l with a soluble BOD of 7.0 mg/l. Recommended design parameters are a sludge age of 10 days and volatile MLSS of 1400 mg/l. The kinetic constants from a bench-scale treatability study are Y=0.60 mg VSS/mg soluble BOD and Ka...
A regional STP handles wastewater from 22,000 people where the per capita flow is assumed to...
A regional STP handles wastewater from 22,000 people where the per capita flow is assumed to be 380 L/person/day. This STP comprises (in series) a primary settler, a trickling filter, two facultative ponds, and a mature constructed wetland. The table below gives typical values (all in mg/L) for the overflow stream after the primary settler (APS) and for the final treated effluent (FTE). Parameter APS FTE Suspended solids 120 2 Biochemical oxygen demand 130 3 Total nitrogen (as N) 30...
Situation (note: Problem 2 is not linked with Problem 1): Assuming the design flow rate of...
Situation (note: Problem 2 is not linked with Problem 1): Assuming the design flow rate of raw wastewater to be treated is 20 MGD in the design year, the dissolved BODs is 380 mg/L, and SS is 360 mg/L. The wastewater generated by the sludge treatment process is about 4 MGD with the dissolved BODs being 1800 mg/L, and SS being 1200 mg/L, and will be returned to the wet well in the pumping station at the beginning of the...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated sludge operation that adversely affect effluent quality with origins in the engineering, hydraulic and microbiological components of the process. The real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. One definition of a wastewater treatment plant operator is a "bug farmer", one who controls the aeration...
1)I need introduction will be different from this introduction but in the same subject and the sa...
1)I need introduction will be different from this introduction
but in the same subject and the same idea (with littel
different)
2)Select the discussion ,results ,conclusion , methods and
references from this search
INTERNATIONAL JOURNAL OF SCIENTIFIC& TECHNOLOGY RESEARCH VOLUME 2, ISSUE 9 SEPTEMBER 2013 ISSN 2277-8616 Dyes Removal From Textile Wastewater Using 1 PREFACE 2 MATERIALS AND METHODS the largest Bangladesh, the textile industry manufacturing industries. in every stage of textile industry 2.1 Sample and Adsorbents Collection various types...
10) Determine the size of two stage trickling filter using the NRC equations. Assume both filters have the same efficiency BOD removal and the same recirculation ratio. Other conditions are as follows o Wastewater temperature 20 C o Wastewater flow, Q 3785 n/d o Influent BODs 195 mg/l Design effluent BOD = 20mg/ o Depth of each filter 2m o Recirculation for filters 1 and 2, r 218
10) Determine the size of two stage trickling filter using the NRC...
Calculate BOD loading, hydraulic loading, BOD removal efficiency, and effluent BOD concentration for a single-stage trickling filter based on the following data: Average raw wastewater flow = 500 gpm Recirculation ration = 0.3 Primary effluent = 150 mg/L Diameter of filter = 20 meter Depth of media = 3 meter Wastewater temperature = 22 °C
6. The aeration tank for a completely mixed aeration process is being sized for a design wastewater flow of 7500 m²/day. The influent BOD is 130 mg/l with a soluble BOD of 90 mg/1. The design effluent BOD is 20 mg/l with a soluble BOD of 7.0 mg/l. Recommended design parameters are a sludge age of 10 days and volatile MLSS of 1400 mg/l. The kinetic constants from a bench-scale treatability study are Y=0.60 mg VSS/mg soluble BOD and Ka...
Situation (note: Problem 2 is not linked with Problem 1): Assuming the design flow rate of raw wastewater to be treated is 20 MGD in the design year, the dissolved BODs is 380 mg/L, and SS is 360 mg/L. The wastewater generated by the sludge treatment process is about 4 MGD with the dissolved BODs being 1800 mg/L, and SS being 1200 mg/L, and will be returned to the wet well in the pumping station at the beginning of the...
1)I need introduction will be different from this introduction
but in the same subject and the same idea (with littel
different)
2)Select the discussion ,results ,conclusion , methods and
references from this search
INTERNATIONAL JOURNAL OF SCIENTIFIC& TECHNOLOGY RESEARCH VOLUME 2, ISSUE 9 SEPTEMBER 2013 ISSN 2277-8616 Dyes Removal From Textile Wastewater Using 1 PREFACE 2 MATERIALS AND METHODS the largest Bangladesh, the textile industry manufacturing industries. in every stage of textile industry 2.1 Sample and Adsorbents Collection various types...
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