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Flashcards in Wastewater Engineering 1 Deck (300)
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1

Branch of engineering with the transportation and cleaning of sewage or consumed water

Wastewater Engineering

2

Introduction of a substance to the environment leading to a lost beneficial use of resource

Pollution

3

Mass flux of a pollutant

Load

4

control of pollution from human activity

Water quality management

5

Revised water usage and classification

dao 34

6

For maintaining the quality of Philippine waters

Water usage and classification

7

Identifiable sources of pollution

Point source

8

Multiple pollution sources

Non-point source

9

Consumed water

Sewage/Wastewater

10

Raw wastewater coming into a treatment plant

Influent

11

Treated water discharged from a wastewater treatment plant

Effluent

12

Sanitary conveniences of dwelling, residential, commercial, institutional and similar facilities

Domestic wastewater

13

Wastewater that comes from industries that contain high strength waste

Industrial wastewater

14

Liquid flowing in sewers during or after rainfall

Storm sewage

15

Consists of a combination of sanitary wastewater and storm water runoff

Combined wastewater

16

Water discharged into a sewer pipes or service pipes

Inflow

17

Groundwater entering sewers through broken joints and/or broken pipes

Infiltration

18

Sum of direct inflow at any point in the system plus any flow discharged

Total inflow

19

Stormwater that may require several days or more to drain thru the sewer system

Delayed inflow

20

Consumed water in kitchen, bathroom and laundry

Greywater

21

Feces and urine

Black water

22

Urine separated from black water

Yellow water

23

Black water without yellow water

Brown water

24

BOD range for domestic

300-500 mg/L

25

TSS for domestic

300 mg/L

26

COD for domestic

500-1000 mg/L

27

Industrial wastewater characteristics

HIgh or low pH, color and high temperatures, high heavy metals, and inorganic chemicals

28

Sewage composition

99.9% water 0.1% solid

29

Solid composition in sewage

Organic and inorganic materials

30

Organic composition in sewage

Carbohydrates, Proteins, Fats & Oil and Nutrients