Displaying items by tag: Emissions

Germany: HeidelbergCement’s specific CO₂ net emissions per tonne of cementitious material fell by 1.4% year-on-year to 599kg CO2/t in 2018 from 608kg CO₂/t in 2017. Despite this its absolute gross CO₂ emissions increased by 3% to 76.7Mt from 74.2Mt as clinker, cement, aggregate and concrete sales volumes all grew in 2018. The group has published the data in its Sustainability Report for the 2018 financial year.

“Cutting our CO₂ emissions and handling natural resources considerately are priorities for all our business lines,” says Bernd Scheifele, chairman of the managing board of HeidelbergCement. "We focus primarily on the development of sustainable products and the implementation of concrete measures at plant level in order to achieve our sustainability goals.” The company has set itself the target of a 30% reduction in its specific net CO₂ emissions per tonne of cement by 2030, compared with 1990. HeidelbergCement says it intends to realise its vision of CO₂-neutral concrete by 2050 at the latest.

Other figures of note in the report include an alternative fuels substitution rate of 21.7% in 2018 compared in 20.8% in 2017. NO_x, SO_x and particulate matter emissions all fell. However, total water withdrawal rose by 8% to 65.4Mm³ from 60.4Mm³ although water consumption fell.

India: Zuari Cement’s integrated cement plant at Sitapuram, Telangana has been issued a show cause notice by the Central Pollution Control Board (CPCB) for exceeding particulate matter emissions. During an inspection it has found to be emitting 40.6mg/Nm³ from the kiln and 78mg/Nm³ from the cement mill, according to the Times of India newspaper. The limit is 30mg/Nm³. CPCB officials also found other violations including an alleged deliberate attempt show reduced levels of sulphur dioxide and nitrogen oxide. The plant has been asked to calibrate its dust monitors properly and submit a compliance report by late July 2019.

India: Chettinad Cement’s Karikkali plant in Tamil Nadu has been issued a show cause notice by the Central Pollution Control Board (CPCB) for exceeding particulate matter emissions by more than three times the limit. An inspection following Online Continuous Emission Monitoring Systems (OCEMS) data found emissions of 91.2mg/Nm³, according to the New Indian Express. The limit is 30mg/Nm³. The CPCB also found discrepancies with the OCEMS data due to poor instrument calibration.

Ireland: Local environmental activists have accused the Irish Environmental Protection Agency (EPA) of ignoring European Union (EU) NO_x emission limits by granting an exemption to Irish Cement’s Limerick integrated plant. Limerick Against Pollution group alleges that the plant has been allowed a limit of 800mg/m3 despite a EU directive reducing the limit to 500mg/m³, according to the Limerick Post newspaper.

Austria: Data from the Austrian Cement Industry Association (VÖZ) shows that cement production rose by 7.4% year-on-year to 5.2Mt in 2018. The increase has been attributed to a construction boom. Sales of cement grew by 4.7% to Euro432m. Sales continue to increase at a similar rate in the first quarter of 2019 but this has slowed down in the second quarter.

The association has said that environmental investment more than doubled in 2018 to Euro45m. The local industry’s alternative fuels substitution rate was 82% and CO₂ emissions fell by 0.8% to 521kg/t of cement.

South Africa: PPC says it plans to shut the kiln at its Port Elizabeth cement plant ahead of stricter requirements to the country’s emission standards. It is shutting down the kiln to meet new standards for NO₂ and dust emissions on 1 April 2020, according to Reuters. Around 30 jobs are expected to be affected by the shutdown.

The cement producer’s revenue rose slightly year-on-year to US$736m in its financial year to 31 March 2019. Its profit nearly quadrupled to US$10.2m. Its cement sales volumes also rose slightly to 5.9Mt. Sales and earnings fell in South Africa due to a poor market but they grew elsewhere in Sub-Saharan Africa, notably in Rwanda and the Democratic Republic of Congo.

Japan: Taiheiyo Cement has set an 80% CO₂ reduction target from cement production by 2050. It also plans to reduce its emissions from cement products by 20%. It aims to do this via a variety of means including energy-saving measures, promoting co-processing, lowering the clinker factor of its cement and CO₂ capture technology. The cement producer started a pilot of a chemical absorption method on kiln exhaust gases at its Fujiwara plant in early 2019.

India: UltraTech Cement aims to increase contribution of so-called ‘green energy’ to 25% of its total power consumption by 2021 from 10% at present. It also intends to raise its contribution of renewable energy to its total power consumption by five times in the next two years to 2021 to over 10%. By building capacity for renewable power the cement producer intends to become one of the largest users of renewable energy in the Indian cement sector.

In addition to renewable energy, the green energy contribution includes energy generated through waste heat recovery systems (WHR). During its 2019 financial year UltraTech commissioned 28MW of WHR systems to take its total generation from WHR to 8% of total power consumption. Further upgrades are expected to be completed in a phased manner by 2021, taking its WHR share to 15% of its total power requirement.

“To bring the cement sector in line with the Paris Agreement on climate change, UltraTech Cement’s annual emissions will need to fall by at least 16% by 2030. There are a number of solutions for reducing emissions associated with cement production as identified by the latest Low Carbon Technology Roadmap published by International Energy Agency (IEA) in partnership with Cement Sustainability Initiative (CSI). These solutions need to be deployed at scale to meet the decarbonisation challenge,” said K K Maheshwari, the managing director of UltraTech Cement.

UltraTech Cement has set a target to reduce its CO₂ emissions by 25% from its 2005 – 2006 level by 2021. The company is also working on CO₂ reduction strategies including energy efficiency, alternative fuels, WHR, renewable energy and reducing its clinker ratio.

There was a glimmer of good news visible through the Delhi smog this week with the launch of a market-based emissions trading scheme (ETS) for particulate matter (PM). A pilot has started at Surat in Gujarat. The scheme will apply to 350 industries in the locality and it will be scrutinised for wider rollout in the country.

China robustly started to tackle its industrial PM emitters a few years ago although the work remains on-going. In its wake India has increasingly made the wrong sort of headlines with horrifically high dust emissions. Delhi, for example, reportedly had PM2.5 emissions of over 440µg/m³ in January 2019. To give this some context, the World Health Organisation’s (WHO) annual upper guideline figure for safe human exposure is 10µg/m³. Research by the Financial Times newspaper suggested that more than 40% of the Indian population is subject to annual PM2.5 emissions of over 50µg/m³.

Air Quality Life Index (AQLI) research reckons that if India were able to meet its national PM2.5 standard of 40µg/m³ then its population would live 1.8 years longer or 4.3 years longer if it met the WHO guideline level. The current situation is an unnecessary tragedy. In strictly structural terms the country’s productivity is being thrown away by damaging the health of its workforce. For comparison amongst other major cement producing countries, AQLI data placed China’s PM2.5 emissions at 39µg/m³, Indonesia at 22µg/m³, Vietnam at 20µg/m³ the US at 9µg/m³. These figures cover all industries in different conditions and climates. If the US can do it, why not the others?

Back on trading schemes, the famous ETS at the moment is the European one for CO₂ emissions. Similar schemes are slowly appearing around the world as governments look at what the European Union (EU) did right and wrong. For example, South Africa started up a carbon tax in early June 2019. Yet as the supporting documents by the Gujarat Pollution Control Board (GPCB) point out there have been a variety of ETS systems’ over the years. The US’s Acid Rain Program is generally seen to have achieved significant reductions in SO2 and NOx emissions although the National Emission Standards for Hazardous Air Pollutants (NESHAP) has continued this work. Chile even ran its own PM ETS in the 1990s although the outcomes have been disputed.

One problem with a CO₂ ETS, and anthropomorphic or man-made climate change in general, is that it is intangible. Even if sea levels deluge major coastal cities, rising mean temperatures reduce agricultural yields and human populations contract sharply, people will still be arguing over the research and the causes. The beauty of a PM ETS is that if it works you can literally see and feel the results. A famous example here is the UK’s Clean Air Act in the 1950s that banished the fog/smog that London used to be famous for.

The Gujarat PM ETS is a pilot, the results of which will be considered by researchers from a number of US-based universities and the Abdul Latif Jameel Poverty Action Lab. Explicitly, the study plans to use a randomised control trial to compares its results against the command and control style approach used in the rest of the country. On the cement-side various Indian news stories have emerged as state pollution boards have increasingly started fining producers for emission limit breaches. Clearly the government is taking dust emissions seriously. Reduction is long overdue.

South Africa: The government has introduced a carbon tax of around US$8/t for carbon dioxide-equivalent (CO₂e) emissions. The carbon tax will initially only apply to scope 1 emitters in the first phase. The first phase will be from 1 June 2019 to 31 December 2022, and the second phase from 2023 to 2030. Large-scale tax-free emission allowances from 60 – 95% will be provided in the first phase. Industries such as cement or iron production will benefit from a basic threshold of 70%.

A review will be held before the second phase starts to measure progress. The treasury reinforced that the introduction of the carbon tax would not raise electricity prices due to tax breaks for renewable energy sources and credits for existing generation capacity.