Kurion ACK reactors redefine industry standards for UV oxidation applications. Our robust borosilicate glass tubes are used to encase our industrial reactors. The borosilicate glass prevents corrosion and allows viewing of the reactor chamber along its entire length.

All radiation is not equal. To guarantee optimal operating performance we have developed an electronic performance control system (RECO). The system guarantees optimal UV lamp output and also increases UV lamp life.

To ensure we obtain the correct degradation rate we examine your sample using our scaled down laboratory reactors. Using this method enables us to reliably determine the best design for a large scale system.

Elimination of active substances

There are many hazardous active substances from chemical and pharmaceutical production which are prohibited from being discharged to the environment.

Our UV oxidation technology breaks the contaminant primary structure, which leads to a major TOC reduction / COD reduction, yielding a secure non-toxic bio compatible waste stream.

We have already installed a large number of units within the pharmaceutical and chemical industry for the following applications:-

Antibiotics Radio contrast materials (X-ray, NMR) Organic poly-Phosphonates Hetero- cyclo- aliphatics (e.g.: 1,4-Dioxan) Aromatics and hetero aromatics N-organics

Hormones Chlorinated intermediates Organic acids (z.B.: EDTA, NTA, …) N-organics Hetero- cyclo- aliphatics (e.g.: 1,4-Dioxan) Aromatics and hetero aromatics

The Heart of the Enviolet® UV Oxidation Process - The Reactor

Our modular reactor design allows us to adapt our system to meet almost any performance requirement. Existing systems can be easily retro-fitted to accommodate new applications.

As partners of plant engineering, we also offer our Enviolet® Oxidation reactors in all sizes as a pre-mounted ready-to-go system which can be built into treatment facilities.

1. Reactor casing is made with borosilicate glass to allow viewing inside the reactor at any time.
2. Special flow regulators create a rotational flow, which guarantees high turbulence ensuring effective UV Oxidation, without deposits being generated on the UV lamp.
3. Radiation chamber is tailored to suit the characteristics of the fluid and the oxidation level required.
4. Monitoring of temperature inside reactor.
5. Stacked construction can be easily extended to increase the oxidation level.
6. Low losses through placement of the performance unit close to the reactor.
7. Electronic performance control for maximum UV power and long life for the UV lamp.
8. Flow monitor for each reactor.
9. Standardised safety valve for pressure systems.
10. User-friendly HMI control with full process visualisation.

Special applications of Enviolet®

We combine new UV oxidation technology with additional chemical and physical process steps to create a process that extends UV oxidation technology into new fields of process waste treatments that were previously thought to be uneconomical. Our advanced oxidation technology integrates different process steps into a unified process.

Cyanide Treatment / Cyanide Destruction - CyanoMat®

Environmental award of Berlin, 1999 - Waste water and concentrates containing cyanide of up to 80g per litre CN- are treated with this method. The detoxification is automatic, fast and safe. No AOX is produced during the cyanide treatment (cyanide destruction) and all relevant regulatory parameters are met using this new method of treatment.

Nickel Bath Conditioning

This is a breakthrough in plating technology. Equip your nickel baths with the latest technology and reduce operating costs through residue-free 'cold' burning of undesired organic material during production.

Electroless nickel Plating

We treat waste water and concentrates from electroless nickel plating processes, with and without ammonia, where nickel, phosphorous, COD and ammonia are treated to meet environmental discharge limits.

Zinc Nickel Plating

Our powerful and patented CyanoMat® reactor is capable of treating waste water and concentrates containing zinc-nickel from zinc nickel plating processes. The treatment costs are considerably lower than that for external disposal, and are not feed concentration dependant.

Recycling of acid copper baths and pulse plating baths for pattern and panel plating

A UV evaporator has been developed to treat copper baths (acidic copper, pulse plating and special applications) the system combines bath decontamination through the elimination of tramp organic species, combined with reuse of pre-concentrated rinse water. This technology yields lower reject levels by optimising bath operating conditions.

Oxidation of aromatic hydrocarbons

A custom engineered UV-Catalyst process has been developed for the elimination of aromatics. This method has a wide range of industrial applications.

Electroless Copper (Cu EDTA)

EDTA and other organic chelates are widely employed in electroless plating process used in the PCB and metal finishing industries. The main concern about these compounds is their poor biodegradability. Chelates can still be present as much as 15 years after their disposal, with EDTA being among the most persistent. Restrictive legislation on the discharge of chelating agents and general organics is becoming ever more stringent, especially in Germany, where Annex 40 of the wastewater legislation only allows EDTA based processes to function where the EDTA is either recycled or completely destroyed.

Kurion has addressed the issues of treating chelated waste solutions with the application of advanced oxidation, the Kurion ACK process uses hydrogen peroxide in combination with UV to produce hydroxyl radicals that subsequently oxidise species such as EDTA to a level where after treatment the wastewater can be simply treated via hydroxide precipitation. In addition, the process also eliminates other sources of COD such as formaldehyde etc.

The wastewater is treated in a batch tank from where it is recirculated through a UV reactor system. The key of success is the use of a performance regulated UV-reactor and application of subsequent process steps, after completing approximately 16 treatment steps, the wastewater is free of EDTA and the COD is significantly decreased and can now be treated with conventional treatment techniques. Advanced oxidation yields a waste suitable for discharge that meets future legislation and greatly reduces operating costs compared with off site haulage or DTC treatment.

COD Oxidation, COD Reduction

The process applied for the oxidation of aromatics, is also ideally suited for COD oxidation. Additional process steps provide the optimal operating conditions to yield a reduction in COD of more than 95%.

VOC Elimination

Our passive method oxidises VOC-contaminated ground waters without the need to add oxidation agents. We treat stopper gases as well as fluids using the funnel and radiation process.

Waste Gas Purification and UV De Nox Process

Using a combination of gas washing and UV oxidation, we purify contaminated gas streams residue-free achieving successful. Our new process that economically and effectively destroys NOx. The unit treats aerosols with up to 400,000 ppm of NOx. The detoxification of the ingredients is achieved with a combination of UV-wet-oxidation and chemisorption. The reduction rate in a 2,000 m³/h flow is more than 99.95 %.