Other environmental impacts

Air emissions

We control air emissions at all of our sites around the world. As well as greenhouse gases, we also analyse emissions of air pollutants. Compared with other big industries, our air emissions are relatively low. Our air separation plants, for example, typically produce almost no direct air emissions. Some of our production processes, however, emit inorganic gases such as carbon monoxide (CO), sulphur oxides (SOx), nitrogen oxides (NOx), ammonia (NH3) and volatile organic compounds (VOC). The VOC emissions are primarily released during the painting and cleaning of metals such as gas cylinders, storage tanks and plant components.

Air emissions

The Linde Group

 

 

 

 

 

 

 

 

 

in tonnes

 

2011

 

2010

 

2009

 

2008

 

We monitor compliance with local regulatory requirements worldwide and report our data for all locations legally obliged to report emissions. Increase or decrease of other air emissions in 2011 do not necessarily represent business trends but result from e.g. changes in customer demand for certain gas specifications, site maintenance or changes of catalyst types used for emission abatement on HYCO plants.

VOCs

 

206

 

182

 

236

 

287

NH3

 

28

 

70

 

78

 

348

CO

 

1,566

 

1,747

 

2,161

 

2,202

NOx

 

1,070

 

717

 

856

 

994

SOx

 

543

 

620

 

730

 

582

We remain committed to our goal of reducing air emissions or – where possible – eliminating them. Within the framework of a major project in China we received an award from the authorities in recognition of the Group’s nitrogen oxide emissions, which were significantly below maximum permissible values and thus reflect our commitment to reducing air emissions.

We work closely with our customers to develop solutions aimed at reducing emissions. Pure oxygen, for example, offers a range of environmental benefits for foundries, heat treatment facilities, steelworks, non-ferrous metalworks, waste treatment plants and recycling facilities. Replacing air with oxygen eliminates nitrogen ballast in combustion and reheating processes. It also improves energy efficiency and reduces CO2 and NOx emissions.

Biodiversity

As part of our environmental management programme, we examine the potential impact of our activities on biodiversity. Most of our locations are in industrial or commercial zones, which means that our activities are unlikely to cause any significant additional impact on biodiversity. When setting up new locations, we use standard procedures as a basis to assess the potential environmental impact of our activities. We are guided here by international guidelines such as the UN Voluntary Guidelines on Biodiversity-Inclusive Impact Assessment. If protected areas or other sensitive habitats are located in the immediate vicinity of our plants, we take measures to ensure that they are not negatively impacted, for example noise protection.

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Within assurance scope

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Global Compact

This page contains information that is relevant to the ten principles of UN Global Compact.

© The Linde Group 2012