Tackling Wastewater in the Chemical Industry
During the manufacturing of chemical formulations, there are a vast number of different intermediates which cause wastewater streams to vary greatly in composition.
The intermediates are often toxic, mutagenic, carcinogenic or non-biodegradable and chemicals can be produced on a commercial scale from kilograms to multi-tonnes.
The dangerous variety of wastewater composition along with the effluent permits and extreme operating conditions present unique challenges for chemical companies considering wastewater treatment.
Chemicals are commonly used in the manufacture of everyday products including non-stick coatings, paints, adhesives and cleaning agents.
Chemical compounds are often persistent in nature, meaning they can pass through traditional wastewater treatment systems, resulting in these compounds being released into waterways within wastewater effluent and even entering sources of water used for drinking purposes.
Some chemical substances do not degrade but bioaccumulate in the bodies of humans and animals. Researchers have found over 300 substances in human blood samples and breast milk, some of which can interfere with the hormone system or nervous system (endocrine disruption). Worryingly, Endocrine disruptors have even been detected in drinking water.
The impact of chemicals in wastewater is huge and is an issue which needs to be acknowledged and addressed by manufacturers and authorities alike.
Traditional Wastewater solutions
Traditional treatment of wastewater can partially remove chemicals, but some traces are still detectable in effluents. In alternative wastewater treatment processes such as Ozone, Hydrogen Peroxide and Reverse Osmosis, large doses of chemicals are often used to eradicate trace level micropollutants. This comes at a high price and can also produce a toxic sludge which requires additional specialist treatment.
This has created a demand for economical and environmentally-friendly solutions.
Fortunately, there are options available that avoid the use of chemicals which are damaging to the environment.
The Nyex™ Solution
Arvia’s Nyex process combines adsorption and electrochemical oxidation, providing an environmentally-friendly solution to treat water without the need for chemical dosing.
It is now possible to tackle part per million to part per billion ranges of endocrine disruptors, personal care products, manufacturing chemicals and agrochemicals.
Arvia deploy wastewater treatment systems on-site which align with the individual requirements of the business. This ensures that environmental strategies and regulatory limits are achieved.
Systems are modular in nature and can be retrofitted into an existing treatment train to remove the final problematic compounds which conventional treatment systems often miss.
The treatment system is also unaffected by toxins or high temperatures and emits no odour, making it perfect for application within a manufacturing environment. Alternatively, systems can be stored externally to allow the expansion of business activities inside the plant to take priority.
Nyex Treatment Systems can also be designed and optimised to ensure treated water is safe for reuse within the business. The reuse of process water not only reduces utility costs but also protects the environment from dangerous chemical wastewater along with helping to reduce the water gap.
Arvia Technology works with utility companies in the UK and Europe. It has treated challenging wastewater from the agricultural, chemical, electronics, oil and gas and pharmaceutical industries in Europe and Asia.