Displaying items by tag: Sustainability

China: China Tianrui Group has reported gross CO₂ emissions per tonne of cement of 910kg/t in 2019 in its latest sustainability report. Nitrogen oxide and particulate matter emissions were 7862t and 1380t, year-on-year decreases of 13% and 4% respectively. Its water consumption intensity decreased by 42% year-on-year to 1.12Mm3.

The group operates 20 clinker production lines and 59 cement grinding production lines. Its production capacity of clinker and cement was 28.4Mt tonnes and 56.7Mt respectively in 2019. Its plants are based in Henan, Liaoning, Anhui and Tianjin, with Henan and Liaoning accounting for the largest proportion.

Sri Lanka: Tokyo Cement has supported its partner the Sri Lanka Navy in completing an underwater statue park. The Sunday Observer newspaper has reported that the 1200m² park in Trincomalee Bay, Eastern Province, lies at a depth of 18m and unfolds a historical storyline. Tokyo Cement supplied its Tokyo Super blended hydraulic fly ash cement to the project.

Project leader Piyal De Silva said, “Our Coral Conservation Programme (CCP) partner Tokyo Cement will carry out monitoring and maintenance activities and will provide material and technical support to set up a coral nursery for replanting corals within the Underwater Marine Sanctuary (UMS). The marine park will gradually become the home to coral colonies native to the Trincomalee Bay area. With the corals, it will attract young fish, which will ultimately lead to the formation of fish communities.” Tokyo Cement has been involved in coral reef restoration around Sri Lanka since 2010.

US: Switzerland-based LafargeHolcim has announced the start of sales via its local subsidiaries of its ECOPact range of 30 - 100% reduced CO₂ concretes. Chief executive officer (CEO) Jan Jenisch said, “I am proud to introduce ECOPact, the industry’s broadest range of green concrete for high-performing, sustainable and circular construction.”

The company says that, where regulatory conditions allow, ECOPact products integrate upcycled construction and demolition materials, further closing the resource loop. ECOPact concretes will enter the Canadian, Latin American and UK markets in mid-late 2020. “With the roll-out of this Green Concrete, we are accelerating the transition to more sustainable building materials for greener construction,” added Jenisch.

Mexico: Cement has announced the launch of a range of carbon neutral concretes called Vertua. By offsetting, Cemex has eliminated Vertua’s remaining carbon footprint following a 70% reduction in embodied emissions compared to Ordinary Portland Cement (OPC) through use of a geopolymer cement mixture. The concretes will become available on different markets globally in 2020 and 2021.

Mexico: Cemex says that it is involved in a working group “focussed on the application of FastCarb aggregates to concrete production” as part of its efforts towards net-zero CO₂ concrete production. FastCarb, administrated by the US-based International Research and Exchanges Board, is a project aimed at the production of aggregates from recycled concrete containing trapped carbon dioxide (CO₂) requisitioned from industrial exhaust streams.

Cemex said, “After completing the first phase of the experimental approach at the laboratory level with promising preliminary results, the project is now entering the second phase seeking to tackle the industrial approach. In this industrial approach phase, Cemex was recently assigned to evaluate the physical and mechanical properties of the carbonated recycled concrete aggregates when used in ready-mix concrete in the laboratory facilities at the Cemex France National Technical Centre.”

China: The Tibet Autonomous Region Department of Economics and Information has awarded Huaxin Cement subsidiary Huaxin Tibet’s Shigatse Company Tibet Company cement plants with regional Green Factory status. The plants are among eight businesses across the autonomous region selected for their dedication to green development. The company says that it attaches “great importance to the protection of plateau ecology, the scientific development of mineral resources and the promotion of mine reclamation and greening.”

The Tibet Company circulates used cooling water from cement production into irrigation systems for mine reclamation. The Shigatse Company “strengthened the greening of mines and plant areas according to local conditions, and insisted on special environmental protection training for front-line employees and middle-level leaders,” improving environmental awareness across its operations, according to Huaxin Tibet.

US: LafargeHolcim subsidiary LafargeHolcim US has adopted Environmental Product Declarations (EPD) to designate products’ Global Warming Potential (GWP) for easy consumer use, with third-party verification from ASTM International or the National Ready Mixed Concrete Association (NRMCA). Aggregates and construction materials chief executive officer (CEO) Jay Moreau said, “The growth in sustainable construction is driving demand for low-carbon building products that can transparently demonstrate a decrease in our environmental footprint. These new EPDs also push us to continue innovating as we consider the next generation of building materials.”

France: LafargeHolcim France says that it has “responded to the demand for low-carbon concretes” with the launch of a CEM-II Portland limestone cement product with 25% lower carbon dioxide (CO₂) emissions than Ordinary Portland Cements (OPC) in its Galaxim Planet range. The new addition to the range, of which LafargeHolcim plans to produce 100,000t by 31 December 2020, contains 35% limestone, up by 23% from 12% in ordinary Portland limestone cement.

LafargeHolcim France south region cement sales director Olivier Mespouilles said, “Our goal is to offer all builders a cement offering properties equivalent to a conventional cement with the advantage of a reduced carbon footprint. This tour de force was successful thanks to the involvement of all our teams, and we are the first player in France to offer this type of limestone cement in such a volume." The cement is due to enter the market in the Languedoc-Roussillon region. From 2021 the company hopes to supply 80% of customers there with the low-carbon cement.

HeidelbergCement released their sustainability report for 2019 this week. Every large cement producer publishes one but this one is worth checking out because of the company’s ambition to become CO₂ neutral. Other companies are heading the same way but few of them have such developed and public plans.

Sustainability reports are often a hodgepodge of non-financial reporting bringing together environment, health and safety, community and other topics. Multinational companies cover a wide range of jurisdictions and combining reporting in these kinds of fields can be beneficial. Typically they are members of various bodies like the Global Reporting Initiative (GRI) or the Global Cement & Concrete Association (GCCA) that give various levels of conformity between reports. Yet, the wider focus of sustainability reports gives companies a chance to promote what they are doing well, away from balance sheets.

One highlight of HeidelbergCement’s report is its progress towards reducing its specific CO₂ emissions per tonne of cement and its recognition by the Science Based Targets (SBT) initiative towards this goal. So far it has achieved a reduction of around 22% from 1990 levels to 599kg CO₂/t (net) with a target of a 30% reduction or 520kg CO₂/t by 2030. There is a lot more going on in the report but it’s led by the vision, ‘to offer CO₂-neutral concrete by 2050 at the latest.’ It plans to achieve this by increasing the proportion of alternative CO2-neutral raw materials and fuels, developing lower clinker cement types and capturing and utilising CO₂ emissions. A focus on concrete is worth noting given the pivot by building materials manufactures towards concrete in recent years.

Back in the present, HeidelbergCement is roughly in the middle of the pack of major European multinational cement producers with its specific CO₂ emissions for cement in 2019. LafargeHolcim reported 561kg CO₂/t and Cemex reported 622kg CO₂/t. This is a bit of a moving target since corporate acquisitions and divestments can change both the starting point and the apparent current progress. HeidelbergCement’s acquisition of Italcementi in 2017 or CRH’s purchase of Ash Grove did exactly that. The other thing to consider is that these companies manufacture a lot of cement. The actual gross CO₂ emissions from a multinational cement producer are immense. LafargeHolcim, one of the world’s largest multinational producers, emitted 113Mt of CO₂ in 2019 from process and fuel sources whilst making cement. To put that into context, estimates for total global CO₂ emissions range from 33 – 36Gt for 2019. The cement industry’s entire share was estimated by the International Energy Agency (IEA) to be 4.1Gt in 2018.

Where this sustainability report starts to become really interesting is where it talks about CO₂ capture and utilisation. Its plans in this department are more mature than many of its competitors with various initiatives at different levels of development, mostly in Europe. Norcem, its Norwegian subsidiary, recently signed an agreement with Aker Solutions to order a CO₂ capture, liquification and intermediate storage plant at its integrated Brevik cement plant. The deal is dependent on government support but it’s a serious proposal. As reported previously from the Innovation in Industrial Carbon Capture Conference 2020, HeidelbergCement is actively preparing to hook up with CO₂ transport and storage infrastructure. The driver is CO₂ pricing from initiatives like the European Union (EU) Emissions Trading Scheme (ETS). With the EU preparing for the next phase of the ETS and talk of the European Green Deal gathering pace, before the coronavirus outbreak at least, CO₂ prices in Europe look set to rise. HeidelbergCement is positioning itself to benefit from being the first major cement producer to head into CO₂ capture and storage/utilisation with a variety of methods intended for different CO₂ prices and regional requirements.

HeidelbergCement doesn’t mention the coronavirus pandemic in its latest sustainability report. The report covers 2019 after all, before all of this happened. These reports do include health and safety information of employees, so this may be something to look out for next year. However, Cemex did mention the coronavirus in relation to its climate action plans this week. Essentially it wants to maintain its plans as a ‘fundamental component’ of its efforts to recover from the health crisis. This chimes with media talk around so-called ‘green-led’ government-backed relief programmes. Governments are the ones who are likely to be handing out the money, probably in the form of infrastructure projects. So it’s the perfect opportunity for them to encourage change from the companies bidding for this funding. Sustainability reports and the information behind them will be a useful tool in accessing this cash.

India: JSW Cement has undertaken work to improve a dried-up canal in order make it a source of water for the irrigation needs of farmers in Bilakalaguduru village, Andhra Pradesh. The Hindu newspaper has reported that the JSW Cement team has redirected overflow water from a limestone quarry. JSW Cement also built a new temple to the gods Balaji and Varahaswamy in Nandyal, Andhra Pradesh using local black limestone.