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Creative industry specific wastewater technology for individual all-in-one solutions – customized to your requirements!

Emulsions

An emulsion is a fine dispersion on tiny droplets of one liquid in another in which it is not soluble or miscible. Emulsions are formed either spontaneously, by thermal reactions or, more often, by mechanical means, such as agitation or with the help of a surfactant, known as emulsifier, which significantly lowers the interfacial tension at the phase boundaries and stabilizes the emulsion.  

In an oil-in-water emulsion, each fat molecule is grouped in the center with many water molecules surrounding it. So, the oil molecule is more or less hidden in an aqueous shell. Naturally oil-in-water emulsions contain more water than oil, as the oil must be surrounded by the water.

Emulsifiers

Emulsifiers are applied e.g. to produce cooling lubricant emulsions. They mediate chemically between the oil and water phases and have a polar (hydrophilic) and non-polar (lipophilic) part. Through their application, an oily phase composed of mineral oil and additives, can be emulsified easily and is stable in water.

The emulsion is formed by simply mixing the cooling lubricant and water. The molecules of the emulsifier align at the surface in a way that the lipophilic part is in the oil phase and the hydrophilic part is in the water phase. Emulsifiers are divided into anion active, cation active and nonionic emulsifiers, according to the electric charge of the part, which defines the character of emulsifier. The impact of ionic emulsifiers is based on forming a thin film on the oil droplets, which is charged concordantly.

Inorganic splitting agents

With conventional inorganic breaking agents large amounts of oil contaminated hydroxide sludge accumulate containing large amounts of water. The remaining sludge must be dewatered and afterwards deposited or burned. The running costs for these methods are constantly increasing. The picture on the left shows a large amount of hydroxide sludge after an inorganic breaking.

We carry out analysis of the wastewater in our own laboratory and establish the most efficient flocculation and breaking additives for the present emulsions with an eye on all relevant ecological and economical aspects.   

The most appropriate AWAS wastewater technology is determined on the basis of the results of the chemical analysis and technical laboratory tests.

SELECTED REFERENCES

Alunorf

Location: Neuss, Germany
Industry:
Aluminum Industry
Wastewater:
Process water
Volume:
60 m³/h
AWAS Service:
Consulting, Lab analysis, Engineering, Assembly and Start-up
AWAS Delivery: Dissolved Air Flotation
ADF FlotationDissolved Air Flotation

Cronimet

Location: Zutendaal, Belgium
Industry:
Scrap yard
Wastewater:
Surface water
Volume:
60 m³/h
AWAS Service:
Consulting, Engineering, Assembly and Start-up
AWAS Delivery:
Galaxie 2002, ADF FlotationDissolved Air Flotation

Tuapse

Location: Tuapse, Russia
Industry:
Seaport
Wastewater:
Ballast water + Bilge water
Volume:
100 m³/h
AWAS Service:
Consulting, Engineering, Assembly and Start-up
AWAS Delivery:
Galaxie Tower Top, ADF Flotation
 

Schuler Rohstoff GmbH

Location:Deißlingen, Germany
Industry:
Metal recycling (Scrap yard)
Wastewater:
Run-off rain water with emulsions and oils
Volume:
50 m³/h
AWAS Service:
Consulting, Engineering, Assembly and Start-up
AWAS Delivery:
AWAS Galaxie Top, 2 stage Flotation, Sludge dewatering 

Toyota

Location: Several locations in Saudi Arabia
Industry:
Car repair shops
Wastewater:
Wastewater from garages
Volume:
9 x 1,5 m³/h
AWAS Service:
Consulting, Engineering, Assembly and Start-up
AWAS Delivery: Dissolved Air Flotation
ADF FlotationDissolved Air Flotation

Campina

Location: Campina, Romania
Industry:
Refinery
Wastewater:
Process water + Surface water
Volume:
300 m³/h
AWAS Service:
Consulting, Engineering, Assembly and Start-up
AWAS Delivery:
Galaxie Tower, ADF Flotation

Taneco

Location: Nizhnikamsk, Russia
Industry:
Refinery
Wastewater:
Process water + Surface water
Volume:
3 lines with a total of 2.700 m³/h
AWAS Service:
Consulting, Engineering, Assembly, Start-up and Personnel training
AWAS Delivery:
Galaxie Tower, ADF Flotation

Ghananuts Wastewater Treatment

Location: Techiman, Ghana
Industry:
Food Industry
Wastewater:
Wastewater from edible oil production
Volume:
2 x 2.5 m³/h
AWAS Service:
Consulting, Engineering, Assembly and Start-up
AWAS Delivery:
AWAS Galaxie Top, ADF Flotation, Sludge dewatering 

AWAS Pilot plants

Location: worldwide operation
Industry:
Oil exploration or all-purpose operation
Wastewater:
Produced water or all-purpose operation
Volume:
30 m³/h (Galaxie, Affinity, ADF) 100 l/h (AK, RO)
AWAS Service:
Assembly, Operation, Analysis, Feasibility studies
Equipment:
Galaxie, Affinity, ADF Flotation, Activated carbon filter, Reverse osmosis


Wastewater treatment of emulsified hydrocarbons in water with flotation technology by oxygen input and chemical splitting