Articles and Case Studies from Canarina Environmental ...

Water pollution · Canarina DESCAR software

Natural waters contain micro-organism as well as solutes. There is a distinction between ‘pure’ water, meaning water that is fit to drink and pure water that is a single substance. A water pollutant is a substance that prevents the use ...

Dec. 14, 2011

Canarina DISPER software · hazardous Substances · commands 22

Pollutant emission rate (g/s): This is the pollutant emission rate. Decay coefficient (1/s): This coefficient considers the half life of the pollutant if this disappears by means of chemical reactions (non-conservative pollutant). ...

Dec. 14, 2011

Canarina DISPER software · atmospheric Chemistry · commands 24

Here, only some data can be modified. The necessary data is: Pollutant emission rate (g/m s): This is the pollutant emission rate. Decay coefficient (1/s): This coefficient considers the half life of the pollutant if this ...

Dec. 14, 2011

Canarina DISPER software · environmental soil · commands 25

Area source.- This is a pollutant area source. The area width is small if we compare it with the size of the area in which we are simulating (area source). If you click this button, the next dialog box is shown: Here, only some data can be ...

Dec. 14, 2011

Canarina DISPER software · landfill · commands 27

7.1.4 Ambient data Ambient conditions are defined by the land and atmospheric conditions in the vicinity of the pollutant emission. This Menu lists: Meteorology and Topographic lines. Meteorology.- DISPER analyses, as all mixing ...

Dec. 14, 2011

Canarina DISPER software · contamination control · commands 29

Wind angle (0 to 360 degrees): It is the horizontal angle of wind measured clockwise from the North (at the window top). Ambient temperature (K): The temperature of the medium surrounding an object. This is the air temperature at ...

Dec. 14, 2011

Canarina DISPER software · pollution control · commands 31

Topographic lines.- This command is to draw topographical lines. If you click this command, the next dialog box is shown: The height of the contour line can be written in the textbox. If you click the Accept button, the next computer screen ...

Dec. 14, 2011

Canarina DISPER software · global warming · commands 32

Then, and if you click the computer screen and move the mouse (mouse down), a square is shown and when you mouse up (the height of the contour line is different to zero): 7.1.5 Tools The Tools Menu contains the tools you use to process ...

Dec. 14, 2011

Canarina DESCAR software · heat pollution · commands 20

6.1.3 Point source The Point source Menu lists the possible pollutant sources: the outfall pipe. Outfall.- This is a pollutant point source. The outfall is small if we compare it with the size of the area in which we are simulating ...

Dec. 14, 2011

Canarina DESCAR software · environmental impact of shipping · commands 21

Depending on the used model, some data of the dialog box can be modified: Buoyant jet model or Stratified model (see calculation models). Buoyant jet model: The necessary data in the Buoyant jet model is: Effluent velocity ua ...

Dec. 14, 2011

Canarina DESCAR software · ecological sanitation · commands 22

Water depth at discharge location (m): The actual water depth at the sumerged discharge location. For surface discharges it is the water depth at the channel entry location. Discharge flow rate (m3/s): The discharge flow rate and the ...

Dec. 14, 2011

Canarina DESCAR software · industrial water treatment · commands 23

Discharge conditions: There are three options: Vertical discharge, Horizontal discharge (A-type) and Horizontal discharge (B-type). In the vertical discharge, the discharge flow is perpendicular to the water surface. In the horizontal discharges (A ...

Dec. 14, 2011

Canarina DESCAR software · waste management · commands 24

Stratified model: The necessary data in the Stratified model is: Pipe angle (0 to 360): It is the horizontal angle of discharge measured clockwise from the North (at the window top). Diffusor length (m): The diffuser length is the ...

Dec. 14, 2011

Canarina DESCAR software · water management · commands 25

1/T90 (1/seconds): This coefficient considers the half life of the pollutant if this disappears by means of chemical reactions (non-conservative pollutant). This is the T90 for E.Coli. For towns with less than 10,000 inhabitants we can take a T90=2 ...

Dec. 14, 2011

Canarina Environmental Software Articles

Water pollution · Canarina DESCAR software

Canarina DISPER software · hazardous Substances · commands 22

Canarina DISPER software · atmospheric Chemistry · commands 24

Canarina DISPER software · environmental soil · commands 25

Canarina DISPER software · landfill · commands 27

Canarina DISPER software · contamination control · commands 29

Canarina DISPER software · pollution control · commands 31

Canarina DISPER software · global warming · commands 32

Canarina DESCAR software · heat pollution · commands 20

Canarina DESCAR software · environmental impact of shipping · commands 21

Canarina DESCAR software · ecological sanitation · commands 22

Canarina DESCAR software · industrial water treatment · commands 23

Canarina DESCAR software · waste management · commands 24

Canarina DESCAR software · water management · commands 25

Canarina DESCAR software · water treatment · commands 26

Canarina DESCAR software · wastewater quality indicators · commands 27

Canarina DESCAR software · sewage treatment · commands 28

Canarina CUSTIC software · health effects from noise · commands 23

Canarina DISPER software · vehicle emissions control · commands 12

Canarina DISPER software · AP 42 Compilation of Air Pollutant Emission Factors · commands 13