Cooling System Treatment

Nadis invests its resources in funding its research and development division and merges its scientific and technological knowledge with years spent in cataloguing and solving disparate industrial cooling tower issues to devise cost-effective and target-oriented chemical formulations to address scaling, fouling, biological growth and corrosion in cooling systems to create powerful impacts on the operational efficiency to increase productivity. We implement our chemical solutions along with our targeted monitoring services that keep such issues in check and prevent major break downs that can destabilize entire operations.

Nadis has highly-trained engineering teams that specialize in the operating and monitoring of cooling tower systems that ensure your systems have the optimum quality of water for maximum heat transfer garnering optimum output across all production lines. Our cooling water chemical formulations and their application by our experts have resulted in successful and smooth operations exceeding previously achieved outputs and marginalizing system operating costs by a significant percentage.

We have the capability to customize and execute chemical solutions for cooling systems on any scale. Our precise executions are owed to detailed analysis, checking and validating the collected data to dose chemical solutions in the cooling system that ensures the machine surfaces remain at level temperatures by continuous heat exchange and do not result in system shutdown due to incompatible levels of heat. We deliver precisely tailor-made chemical solutions to industries that effectively combat water cooling issues and aid in utilizing water to the best of its capabilities.

Chemical Treatment for Scaling and Deposition / Scaling & Deposition Chemical Treatment

Scaling takes place due to the agglomeration of calcium carbonate, calcium sulfate, calcium phosphate, magnesium silicate, and other such compounds as their solubility in water decreases on increase in water temperature and creates layers of deposits which hamper the heat transfer ratio and compromise the cooling system and the systems dependent on it.

The deposition of minerals can cover up corrosive layers underneath that form due to the presence of impurities in water resulting in pitting, lowering heat transfer in the system, due to insulated layer of scale formation. Nadis has patented chemical formulations that have given clear results in cooling tower operations and helped in the recovery of cooling systems with potential deposition and scaling issues that would have led to irreparable system collapse. Our synergistic chemical programs provide cost-cutting solutions by increasing cycles of concentration and reducing makeup water and blowdown requirements.

Our chemical experts and engineering teams devise chemical programs based on your operational requirements, volumetric capacity, the design and metallurgy of your cooling systems that safeguard capital assets and help in maintaining cooling efficiency to get the maximum performance out of the cooling system.

Chemical Treatment for Corrosion and Fouling

Cooling Systems whether employed in the industry for cooling process fluids or mechanical systems; or form a part of the HVAC system in the Institutional & Commercial industry are prone to corrosion which causes the deterioration of metal surfaces by electrochemical reactions when water comes into contact with them. The effect is twofold; major financial loss due to equipment failure and reduced productivity as heat exchange/transfer capability of the system is compromised and is worsened by fouling.

Pitting corrosion occurs due to the diffusion of dissolved gas molecules that rapidly escape from water when the temperature rises due to heat exchange, forming cavities in the metal surface. In open cooling tower systems, ambient oxygen is absorbed into the feed water and results in pitting whereas, in closed cooling water systems, this form of corrosion is caused when carbon dioxide gas is released from water that has high alkalinity. Nadis applies preventive chemical measures for corrosion with its line of advanced formulations creating the most viable and cost-effective solutions to effectively counter corrosion & pitting, that improves the length of operations by reducing system downtime.

Corrosion and fouling are interlinked together in cooling water chemistries as corrosion of metal surface contaminates the fluid and increases the number of suspended particles and impurities that create fouling, which is compounded in cooling systems where fluid velocities vary, temperatures are higher than average or water quality is not within major parameters. Fouling increases heat flow resistance, decreasing heat flux and reducing the thermal efficiency of the cooling system which leads to increased consumption of water and fuel. Nadis chemical treatment maximizes the efficiency of your process water which in return helps your major assets deliver high heat exchange rates without excess fuel and water usage and also aid in lowering maintenance and overhauling cost.

Chemical Treatment for Microbiological Growth

Nadis enhances the efficiency of cooling tower with its broad spectrum oxidizing and non-oxidizing biocides that are compatible with other performance chemicals and protect cooling system assets from biofilms formed by planktonic and sessile microorganisms; bacteria, fungi, algae, protozoa, and macrofouling organisms (mollusk) in difficult and unfavorable water environments.

The microbiological growth control is integral in the optimum functioning of the cooling system which if neglected can reduce operation running time, heat transfer efficiency, affect the health of workers with Legionella bacteria, and can require downtime for repairs or overhauling in the severely affected cases especially in the open recirculating systems.

The presence of microorganisms in large populations triggers the formation of biofilms that can contribute to corrosion by secreting corrosive by-products and by creating differential aeration cells–concentrated oxygen areas on the metal surface due to uneven supply of air– significantly reducing flow and heat exchange rate affecting downstream operation efficiency. Nadis performance chemicals give you control of your prime assets and improve cooling and heat exchange efficiency allowing for enhanced water throughputs that reduce makeup water cost and renders safety and stability to your operations.