Mechanical industry
Water and wastewater treatment for machining, washing and finishing of parts.
Solutions to separate oils and solids and treat streams with different characteristics. Technologies selected according to process fluids, the metals present and the requirements of the operation.
Water and wastewater treatment in the mechanical industry
Water is used to wash parts, in cooling systems and, depending on the operation, in machining fluids and surface treatments. Not all plants carry out the same finishing stages.
Wastewater may contain free or emulsified oils, detergents, metal particles and pH variations. Surface operations can also generate streams with dissolved metals and specific chemicals.
Mechanical industry wastewater treatment must distinguish concentrated baths, rinse water and cleaning streams, considering the form of the contaminants and their compatibility with the system.
Mechanical industry.
Main challenges in this segment
Treatment of oily and metal-bearing effluents from machining and parts finishing processes.
Free oils and emulsions
Cutting fluid emulsions may require specific conditioning; removing them is not just a matter of separating floating oil.
Particles and dissolved metals
Metallic solids and metals in solution need different removal strategies.
Different baths and rinses
Mixing concentrated streams with washing water can make treatment harder and increase the volume to be processed.
Washing and finishing requirements
The quality of the water used can affect deposits, stains and the surface quality of the parts.
Identify the contaminant's form to define its removal
The configuration depends on the metals worked, cutting fluids, degreasers and finishing operations. Analyses should identify free oil, emulsions, solids and dissolved metals.
The strategy may include segregation, equalization, pH adjustment and physicochemical treatment. Depending on test results, emulsion breaking and metal precipitation come before separation by flotation or settling.
DAF separates contaminants associated with the separable phase but does not replace the treatment of dissolved metals. The sludge line must consider its characteristics and appropriate disposal; biological processes only make sense for compatible streams.
Integrated water, wastewater and reuse
Treatment of washing water and utilities should be linked to the specifications of the parts and equipment served.
Reuse in the mechanical industry can be studied after characterizing residual oils, metals and salts. Filtration and ultrafiltration meet specific separation goals, while reverse osmosis may be assessed when salts need to be reduced, with pretreatment and concentrate management.
Technologies for the mechanical industry
Linsul's portfolio makes it possible to select stages for separation, physicochemical treatment, sludge handling and industrial water. The application depends on the fluids used, the metals present and the necessary tests.
Wastewater Treatment Plant (WWTP)
Mechanical Flocculator
Dissolved Air Flotator
Lamella Clarifier
Sludge Thickener
Sludge Dewatering Press
Water Treatment Plant (WTP)
Pressure Filter
Ultrafiltration System
Reverse Osmosis
More efficiency for
your operation.
A treatment line guided by the plant's fluids and finishes helps control oily streams, metals and the quality of the water used.
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The experience gained across different industries allows us to understand the specific challenges of each segment and develop solutions adapted to the needs of each operation.
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Related
Applications.
Treatment of oily and metal-bearing effluents from machining and parts finishing processes.
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