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How Water Treatment Chemicals Add Value to Industrial Wastewater Solutions

by Robert wills - 17 Apr 2021, Saturday 396 Views Like (0)
How Water Treatment Chemicals Add Value to Industrial Wastewater Solutions

Industrial wastewater is generated as a consequence of industrial activity. The diversity of industrial wastewater can be very great (process water, cleaning, cooling, etc.), since it can contain pollutants of a very different nature.

Most industrial processes use water in one way or another. This water, once it has been used, must be treated before being discharged regardless of whether it is returned to the natural environment or whether it is discharged into the sanitation network.

In the first case, the treatment must be sufficient so that the spill does not cause any environmental impact on the receiving environment; and, if it is discharged into the public sanitation network, the composition of the wastewater must comply with all the physical and chemical parameters of the current regulations. There is a third option for already treated industrial wastewater: reuse.

Since water is a natural resource that should not be wasted, the most sustainable alternative is to treat wastewater until its quality is compatible with its reuse in the process. The increasingly demanding environmental regulations mean that in many cases reuse is the most competitive option.

At Membracon, we work to optimize the use of water in industry, promoting its reuse after production processes thanks to the use of zero discharge technologies, provided that these are viable from an economic and environmental point of view.

When a zero discharge is not possible, we apply the necessary treatments for its adaptation to the discharge limits established by law in order to avoid penalties or other consequences of serious economic and social repercussions and loss of image.

The treatment of industrial wastewater, in addition to allowing compliance with current environmental legislation, offers great added value for those companies that are responsible and aware of the environment.

Industrial wastewater, if not properly treated before discharge, can contain toxic compounds, compounds that are difficult to degrade, have a pH far from neutral, etc. Depending on the contamination they present, the processes necessary for their correct treatment will vary.

Membracon, is a company with a long history in purification and an expert in designing and implementing the most competitive water recycling treatment process that best suits the conditions of each client.

Membracon's extensive experience in Industrial Effluent water treatment means that the offer in this area is very wide.

Among the techniques that Membracon, puts into practice to achieve the optimal solution in each case, are the following:

Biological treatment

When the pollution is biodegradable, the removal of organic matter, nitrogen and phosphorus is feasible through this process, which is economical and efficient. Biological treatment can be aerobic or anaerobic, depending on what is most interesting in each case.

The treatment techniques based on a biological process available to Membracon, are the following:

  • Active sludge: with the biomass in suspension, if space is available, it is an economical and efficient process.
  • Sequential biological reactor (SBR): compact and discontinuous process characterized by its versatility and flexibility.
  • Membrane Biological Reactor (MBR): requires little space, has high efficiency and high-quality effluent.
  • Moving bed biological reactor (MBBR): characterized by the fixed biomass, thus obtaining high efficiency.

Vacuum evaporation

This technique, in which Membracon, has great expertise, is ideal for the treatment of liquid industrial waste and complex mixtures.

It is a clean, compact, versatile and very efficient process. If necessary, it allows avoiding the generation of liquid spills.

The range of vacuum evaporators offers equipment based on three different types, each with its specificities in terms of use:

  • Low-temperature heat pump vacuum evaporators
  • High-temperature vacuum evaporators by mechanical vapor compression
  • Multiple effect vacuum evaporators

Physical-chemical treatment

This treatment refers to a wide variety of techniques that alone or in combination make it possible to deal with numerous types of pollutants (oils and fats, suspended particles, colloidal substances, color, non-biodegradable organic matter, dissolved metals, hydrocarbons, etc.).

The most relevant unit operations that allow these pollutants to be eliminated are the following:

  • Floatation
  • Decantation
  • Precipitation
  • Coagulation-flocculation
  • Neutralization
  • Adsorption
  • Filtration
  • Electrocoagulation
  • Advanced oxidation

The correct combination of these processes and their precise dimensioning are the keys to the success achieved by Membracon, in the numerous projects carried out.