13.3.- WASTEWATER TREATMENT

Water treatment refers to all the operations whose purpose is the removal of certain substances from water. The operations can be physical, chemical, physico-chemical or biological.

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Water treatment focuses on human consumption, processes that occur before and after its use.

  • Drinking water treatment: in the drinking water treatment plants (DWTP) water is treated to make it suitable for human consumption.
  • Waste water treatment: water is treated in the waste water treatment plants (WWTP), where most of the separation of contaminants process is done.
  • The first step to which waste water is subjected when entering a treatment plant is a pretreatment. Large solids, sand and grease are removed.
  • Then, water is subjected to the so-called primary treatment. The suspended solids that are easily settled and part of the organic matter are removed.
  • The rest of organic matter, dissolved and suspended, and the rest of solid particles that have not been removed in previous treatments are removed through the so-called Aerobic Biological Processes of Waste Water Treatment, which is the secondary treatment of the line of water.
  • Sometimes a tertiary treatment is used. The purpose of these treatments is to remove the residual organic load and those other polluting substances that are not removed in secondary treatments, such as nutrients, phosphorus and nitrogen.

Water treatment is essential nowadays since it helps to:

  • Protect Public Health and the Environment. If waste water is going to be discharged into a natural receiving body (sea, rivers, lakes), it is necessary to carry out a treatment to avoid diseases caused by bacteria and viruses.
  • Protect the fauna and flora present in the natural receiving body (sea, rivers and lakes).
  • Reuse treated water: there are activities in which it is not necessary to use drinking water, treated water can be used without any risk to health.
  • Guarantee the absence of harmful effects on health.

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WASTEWATER TREATMENT EQUIPMENT

1.- PHYSICS 2.- ELECTRONICS 3.- COMMUNICATIONS 4.- ELECTRICITY 5.- ENERGY 6.- MECHATRONICS & AUTOMATION 7.- MECHANICS 8.- FLUID MECHANICS 9.- THERMODYNAMICS & THERMOTECHNICS 10.- PROCESS CONTROL 11.- CHEMICAL ENGINEERING 12.- FOOD & WATER TECHNOLOGIES 13.- ENVIRONMENT 14.- BIOMEDICAL ENGINEERING LABORATORY ACCESSORIES CUSTOMIZED PILOT PLANTS
13.1.- HYDROLOGY AND HYDROGEOLOGY 13.2.- ENVIRONMENTAL POLLUTION 13.3.- WASTEWATER TREATMENT 13.4.- RECYCLING
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COMPUTER CONTROLLED ION EXCHANGE UNIT - EIIC
  • EIIC
Available
11.1.9.- ION EXCHANGE AND CORROSION

EIIC

Computer Controlled Ion Exchange Unit

The Computer Controlled Ion Exchange Unit, "EIIC", is a self-contained unit consisting of a panel with two transparent columns to be filled with anionic and cationic resins, plus a spare column and a computer controlled pump that supplies the...
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ION EXCHANGE UNIT - EII
  • EII
Available
11.1.9.- ION EXCHANGE AND CORROSION

EII

Ion Exchange Unit

The Ion Exchange Unit, "EII", is a self-contained unit composed by a panel, where two transparent columns are situated in order to put anionic and cationic resins, and also a spare column and a pump, which supplies the efficient from the tanks...
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COMPUTER CONTROLLED WATER QUALITY CONTROL UNIT - PCCAC
  • PCCAC
Available
13.3.- WASTEWATER TREATMENT

PCCAC

Computer Controlled Water Quality Control Unit

Water is impelled by a pump from a supply tank towards a first transparent tank equipped with a stirrer and a conductivity sensor. Conductivity is regulated in this tank by the addition of diluted caustic soda impelled by a computer controlled...
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SEDIMENTATION, PRECIPITATION AND FLOCCULATION UNIT - SPFB
  • SPFB
Available
13.3.- WASTEWATER TREATMENT

SPFB

Sedimentation, Precipitation and Flocculation Unit

The Sedimentation, Precipitation and Flocculation Unit, "SPFB", has been designed by EDIBON to study the parameters that affect the physicochemical treatment of wastewater for purification. The objective of the unit is to reduce colloidal and...
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COMPUTER CONTROLLED ADVANCED OXIDATION UNIT - POAC
  • POAC
Available
13.3.- WASTEWATER TREATMENT

POAC

Computer Controlled Advanced Oxidation Unit

The Computer Controlled Advanced Oxidation Unit "POAC" generates hydroxyl radicals (OH-) through ultraviolet light radiation with hydrogen peroxide.Raw water is enriched with hydrogen peroxide in a transparent tank and is driven by a pump towards...
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COMPUTER CONTROLLED ADSORPTION UNIT - PEAC
  • PEAC
Available
11.1.8.- ABSORPTION AND ADSORPTION

PEAC

Computer Controlled Adsorption Unit

The Computer Controlled Adsorption Unit, "PEAC", demonstrates the removal of substances dissolved by adsorption. A computer controlled pump impels raw water (treated) from a supply tank to two adsorbers filled with activated carbon. A flow sensor...
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COMPUTER CONTROLLED HYDROCYCLONE - PHCC
  • PHCC
Available
11.1.11.- FILTRATION, SEDIMENTATION AND MIXING

PHCC

Computer Controlled Hydrocyclone

The Computer Controlled Hydrocyclone, "PHCC", has been designed to study the removal of suspended solids from a liquid. The fluid flowing through the unit is a mixture of water and suspended solids. The mixture is prepared in an initial tank with...
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COMPUTER CONTROLLED DRUM CELL FILTER - PFTC
  • PFTC
Available
11.1.11.- FILTRATION, SEDIMENTATION AND MIXING

PFTC

Computer Controlled Drum Cell Filter

The Computer Controlled Drum Cell Filter, "PFTC", is a unit designed to observe the operation of a filtering drum that acts on a liquid with suspended solids. This drum cell filter allows investigate the filtration of multiple solutions with...
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COMPUTER CONTROLLED DISC CENTRIFUGE - QCDIC
  • QCDIC
Available
11.1.11.- FILTRATION, SEDIMENTATION AND MIXING

QCDIC

Computer Controlled Disc Centrifuge

The Computer Controlled Disc Centrifuge, "QCDIC", allows the study of the separation of emulsions by centrifugation. In order to make the unit work, two immiscible liquids are poured into the agitation tank, such as water and oil. In this deposit...
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