Analysis, Reuse and Recycling of Grey Water.pptx

By treating and utilizing grey water can reduce water stress. This presentation provides the glimpse on how to analyze, recycle and reuse of grey water and their potential application.
Abstract Proper management of water resources and water conservation techniques are required to overcome the water scarcity issue.
There is an increase in grey water constantly due to change in population and lifestyle.
In Rajupura village, India drainage system provided lacks in lateral line due to which,
The usable domestic grey water resource could approx. 35% of the total domestic demand.
Recycling of water is one of the methods for water conservation which not only reduce the stress on the fresh water sources but also helps to protect the environment by reducing the loads on lateral lines and discharge.
This will be model village for similar rural and urban areas for recycling grey water.
Introduction What is GREY WATER
Water from kitchen, washbasin, laundry or other washing activities which not include feces (blackish water) termed as GREY WATER.
It is estimated that per capita usage of water is 80 to 100 gallons per day while approximately 60% of wastewater is grey water.
WHY THERE WAS A NEED TO TREAT GREY WATER
Decreases the pressure on freshwater resources.
Decreases the soil and water contaminations.
Improve the aesthetic look of street by reducing the loads on lateral lines.
Efficient way to manage wastewater.
How it is efficient to manage wastewater

Water resources: QUANTITY & QUALITY
The average demand of the fresh water is 135 Lpcd.
As per population about 72,900 Liters of grey water produced everyday.
The provided lateral lines were not enough for the residence which decreases the efficiency as the grey water is discharged into the streets directly meets to river Mahi causing the nuisance in the environment.
While for the black water, septic tanks are being used individually in every household.
MECHANICAL METHODS
Screening : Slurry, filter medium, filter cake, filtrate
Sedimentation tanks
Filtration
AEROBIC SYSTEM
Sand filters
Mixed bed filets
Bio filters (Wetlands)

1. ANALYSIS, REUSE AND RECYCLING OF GREY WATER Naik et al. EN15/2019-20 MINZA MUMTAZ

2. 2 ABSTRACT Proper management of water resources and water conservation techniques are required to overcome the water scarcity issue. There is an increase in grey water constantly due to change in population and lifestyle. In Rajupura village, India drainage system provided lacks in lateral line due to which, The usable domestic grey water resource could approx. 35% of the total domestic demand. Recycling of water is one of the methods for water conservation which not only reduce the stress on the fresh water sources but also helps to protect the environment by reducing the loads on lateral lines and discharge. This will be model village for similar rural and urban areas for recycling grey water.

3. INTRODUCTION What is GREY WATER Water from kitchen, washbasin, laundry or other washing activities which not include feces (blackish water) termed as GREY WATER. It is estimated that per capita usage of water is 80 to 100 gallons per day while approximately 60% of wastewater is grey water. 3

4. WHY THERE WAS A NEED TO TREAT GREY WATER D ecreases the pressure on freshwater resources. Decreases the soil and water contaminations. Improve the aesthetic look of street by reducing the loads on lateral lines. Efficient way to manage wastewater. 4 INTRODUCTION

5. 5 How it is efficient to manage wastewater Water resources: QUANTITY & QUALITY The average demand of the fresh water is 135 Lpcd . As per population about 72,900 Liters of grey water produced everyday. The provided lateral lines were not enough for the residence which decreases the efficiency as the grey water is discharged into the streets directly meets to river Mahi causing the nuisance in the environment. While for the black water, septic tanks are being used individually in every household. INTRODUCTION

6. MECHANICAL METHODS Screening : Slurry, filter medium, filter cake, filtrate Sedimentation tanks Filtration AEROBIC SYSTEM Sand filters Mixed bed filets Bio filters (Wetlands) 6 LITERATURE REVIEW

7. 7 METHODOLOGY

8. 8 METHODOLOGY STEPS INVOLVED NOTES Analysis of Untreated Greywater BOD and TS > Inland Surface water standards Ground Survey Reduced Level decreased towards the riverbank suggesting no need to design a collection system. Selection of treatment system Shared greywater recycling system was selected which incorporates sedimentation tank and filter basin Population forecasting For 15 years of data (2000-2015) Arithmetic Increase Method was used while for future prediction for year 2025 and 2030 Simplified Population forecast Method was applied Designing and Construction Phase The treatment system was designed for 20 years . Analysis of Treated Greywater BOD, TS and other parameters was in the limits.

9. 9 DESIGN CRITERIA NOTES Sedimentation Tank Detention time 2 hours Sedimentation Tank Velocity 1,00,000 liters/day or 100 m3/day Width 1.5 m Length 4.5m Depth 3.2m Filtration Basin Filtration media Brickbats (8m x 8m) and sand (varying from 5cm to 10cm) Filtration Basin Velocity 3.33 liters/hour METHODOLOGY

10. 10 Parameters to check: pH Turbidity TDS TSS Hardness Grease/BOD/COD METHODOLOGY

11. 11 Separating the greywater and black water and treating greywater locally, reduces a lot of volumetric burden on the existing sewer lines and treatment system. Wastewater reuse increases the total available water supply for agriculture. Major issue is the acceptance in the society as before adapting it need the awareness program. Results and conclusion PARAMETER UNFILTERED FILTERED pH 8.4 8.08 Turbidity (NTU) 81 15 BOD (mg/lit) 274 104 TS (mg/lit) 1080 104 COD (mg/lit) 560 240

12. 12 Affiliations and REFERENCE [1] Krupa Naik M.Tech Student Department of Infrastructure Engineering and Management Pandit Deendayal Petroleum University, Gandhinagar, Gujrat, India [2,3] Riddhi Shah and Priya Jain B.E. Students Department of Civi l Engineering Sardar Vallabhbhai Patel Institute of Technology, Vasad, Gujrat, India K. Naik, R. Shah, P. Jain, M. Tech Student, and B. E. Student, “Analysis, Reuse and Recycling of Grey Water,” GLOBAL RESEARCH AND DEVELOPMENT JOURNALS , no. March 2016, 2016, [Online]. https://www.grdjournals.com/article?paper_id=GRDCF001029 .

13. Thank you EN15/2019-20 MINZA MUMTAZ