The Problem

Nitrogen Oxide, aka NOx, is a group of different gases made up of different levels of oxygen and nitrogen. Two of the most common nitrogen oxides, Nitrogen Dioxide and Nitric Oxide NOx, are given off in many forms, such as smog or particles. But what environmental problems are created by Nitrogen Oxide Pollution?

Some examples are the formation of ground level ozone (smog), creation of acid rain and water quality deterioration. In the air, NOx mixes readily with common organic chemicals to form toxic products. All of these cause a gradual rise in global warming which will lead to increased risks to human health, a rise in the sea level, and other adverse changes to plant and animal habitat.

The Solution

IMS can now supply three major kinds of catalytic converters, each of which are capable of an emission reduction of over 90% in each of the following categories:

Single stage oxidation –Carbon Monoxide (CO) is reduced.

Two stage oxidation – Carbon Monoxide and Hydrocarbons (HC) are reduced.

Three stage SCR – in addition to CO and HC the level of Nitrous Oxides (N2O) are reduced.

Each of the above converters can be used within various applications such as locomotives and railway vehicles, construction machines, ships and yachts, tractors, commercial vehicles and buses, electrical and generator power plants, combined heat and power plants and CO2 fertilisation for greenhouses and waste incinerators

THE Technology

SCR, selective catalytic reaction is a relatively simple technology.

SCR technology uses reagents like urea, ammonia or AdBlue®, by dosing it into the exhaust gas line to convert NOx into nitrogen (N2), and water (H2O).

With SCR technology it is possible to reduce (NOx) by over 90 %.

Reagent injection works on the principle of injection the chemical by means of a dosing pump.

Injectors are used to atomize the reagent solution and to ensure even reagent dispersion into the exhaust gas line

SCR System London

Scope of Supply

  • Engineering & Design
  • Full system manufacture including supply of exhaust silencer if required
  • Delivery & Installation inclusive of all support framework, dosing system configuration & connection along with internal electrical wiring
  • Delivery of Urea
  • Commissioning & Training