Displaying items by tag: wood

Spain: Votorantim Cimentos will construct a solid recovered fuel (SRF) production plant at its subsidiary Cementos Cosmos’ plant in Oural, aiming to produce up to 0.15Mt/yr of alternative fuel. The facility, spanning 5800m², will utilise non-recyclable industrial byproducts and various discarded materials from the local community such as plastic, paper and wood, to partially fuel the combustion in its cement kilns. The plant, currently in the public exhibition phase, will start production at 60% capacity, producing 85,000t/yr of alternative fuel. Plans include ramping up to full capacity to produce roughly 0.15Mt/yr. The new plant will create 15 jobs.

Votorantim Cimentos has not detailed the investment in the new facility, although the budget presented to the local council amounts to €12m.

Brazil: Secil Supremo Cimentos has appointed FLSmidth to carry out a pyro process upgrade at its Adrianópolis cement plant in Paraná. The Denmark-based supplier says that it plans to carry out modifications on the plant's preheater, cooler and related auxiliary equipment. It says the new equipment will expand the plant's capacity to 3900t/day, corresponding to an annual production capacity of 1.42Mt/yr. It will also enable it to increase its alternative fuel (AF) substitution rate to 40%. Secil Supremo Cimentos' AF mix consists of shredded tyres, wood and other refuse-derived fuels.

FLSmidth's head of capital sales, Jens Jonas Skov Larsen, said “We are grateful for our continued partnership with Supremo, which has consistently invested in the latest technology. As the plant was already operating an ILC five-stage preheater from FLSmidth, it was well positioned to use AF.”

New Zealand: Fletcher Building subsidiary Golden Bay Cement has co-processed 80,000t of waste in production of its EcoSure reduced-CO₂ general-purpose cement at its Golden Bay, Whangarei, cement plant. The plant has achieved a coal substitution rate of 50%. It has processed various waste streams, including 3 million used tyres. EcoSure cement generates CO₂ emissions of 699kg/t of product, 20% less than its imported alternatives, according to Golden Bay Cement. Fletcher building CEO Nick Traber said that this figure is 'simply our starting point.' The company's next target is to achieve a 30% CO₂ reduction by 2030.

Traber said "We needed to think outside the box, or rather the cement bag, to be more precise. The challenge was around what enhancements we could make to our manufacturing processes at our Golden Bay cement works in to improve the plant's sustainability. We quickly realised that consuming used tyres and wood waste as alternative fuels was a win-win. When we started with the idea in 2015, we were aiming to replace 15% of coal with end-of-life tyres. Fast forward to 2022, and our rate of coal substitution is now at 50%, which has obviously delivered further reductions in carbon emissions, as well as helping to offset increased coal costs."

US: National Cement Company of Alabama has reported that the new kiln line at its Ragland cement plant will reduce the plant’s CO₂ emissions by 40%. Its energy consumption will also fall by 30% as a result of the upgrade. The new line includes a 78m-high homogenisation silo, vertical crusher, five-stage preheater and automated clay storage system. AF used in the kiln will include waste tyres, woodchip and sawdust. The new kiln will help in the Ragland cement plant’s transition to 100% Portland limestone cement (PLC) production by 2023, further diminishing its carbon footprint.

Vicat CEO Guy Sidos said "Our ambition is to use AF in all our cement plants around the world. In addition to eliminating fossil fuel energy and replacing it with recycled regional waste, our investments contribute directly to local development. We are proud of the modernisation and transformation of our Ragland site, which was our very first acquisition outside France in 1974."

Canada: St Mary’s Cement plans to apply for a licence to substitute alternative fuel (AF) for a part of its coal, gas and petcoke fuel mix. The plant previously held a two-week AF substitution trial in May 2011. CBC News has reported that the subsidiary of Votorantim Cimentos will present its plan at an evening meeting for the general public on 18 November 2021. The company says that it plans to implement similar AF arrangements to those at its Bowmanville plant, where it uses 90,000t/yr of biomass, wood from construction and demolition and non-recyclable paper and plastics.

Environmental manager Ruben Plaza said "Lower CO₂ emissions is the first consideration and, equally as important, the material has to be approved and available in sufficient quantities with a reliable and sustainable long-term supply."

Germany: Vecoplan has launched the VRZ 2500 shredder and the VPC 1600 pre-shredder, which can be combined with the VHZ single-shaft shredder.

The new addition to the VRZ series is intended for recycling and reprocessing waste wood. The unit is equipped with sickle-shaped ripper teeth and is intended for minimal maintenance through the use of HiTorc direct drives. The drives have a capacity of 2 x 138kw and are resistant to tramp materials. They are also dynamic, offering improved start-up and reversing behaviour. “During the development of the new VRZ series shredder, we placed great emphasis on making it robust, resistant to intrusive materials, reliable and low-maintenance,” said Martin Baldus, Head of Industrial Shredding development at Vecoplan.

The VPC 1600 is a pre-shredder intended for use with voluminous objects and bulky wooden items such as pallets. Notably, the new version of this product can be combined with the VHZ single-shaft shredders (VHZ 1600 and VPC 1600) to increase throughput by up to 50% and to save space. With its working width of 1600mm, the 800mm-high VPC is designed to fit exactly onto the VHZ with a sliding frame connecting the shredder and the pre-shredder. The VPC is permanently fixed during operation but it is designed to be moved at other times if an operator has to change the counter-knives in the shredder. The filler port of the new pre-shredder measures 1605 x 1605mm and the drive power is 2 x 9.2kw. Sixteen counter-crushers have been integrated into the machine and it also has two independently running rotors, each with a speed of ten revolutions per minute.

Uzbekistan: The government is preparing to increase the use of alternative fuels in the cement and lime industry. A draft decree intends shift local industry to meet global trends in energy consumption and away from natural has consumption, according to the Trend News Agency. The government intends to encourage the use of coal, wood briquettes and pallets, biogas and other fuels.

The Ministry of Energy, together with the Academy of Sciences and research institutes, is planning to develop energy efficiency levels for industrial gas boilers. Local gas suppliers Uzneftegazinspektsiya, Uzenergoinspektsiya and Uztransgaz will then stop supplying natural gas to non-compliant industrial users from the beginning of 2020.

Australia: Adelaide Brighton boss Martin Brydon said that he would pursue funding from the Abbott Government's US$2.55bn Emissions Reduction Fund (ERF) as Adelaide Brighton accelerates its alternative fuel use to head off its rising gas bill. The ERF is the centre-piece of the government's direct action climate policy and the first auction for funding starts on 15 April 2015.

Adelaide Brighton has a total energy bill of around US$130m/yr. Brydon said that the group will save US$6m/yr from the repeal of the carbon tax. "We are energy-intensive and capital-intensive. Anything that happens that can reduce the cost of energy is critical," said Brydon.

Adelaide Brighton's Birkenhead cement plant in south Australia, which recently expanded its cement production capacity to 750,000t/yr, generates 15% of its energy from waste wood used in construction. Brydon said that he plans to take that number to 30% and that he 'will certainly' be bidding for grants from the ERF. "The cost of that waste wood energy is significantly below the cost of natural gas," said Brydon.

In 2014, Adelaide Brighton reported a 14.3% rise in net profit to US$136m and a 9% rise in revenue to US$1.06bn. The profit and revenue numbers were both records for the company, although after stripping out one-off items the underlying profit was US$132m. Strong residential housing activity in NSW and Queensland, work on the Pacific Highway upgrade and ongoing demand from resource projects in western Australia and the northern regions buoyed sales. Adelaide Brighton said that it expects price increases in 2015 across all of its products.

In August 2014 the company acquired two concrete businesses and a quarry. Brydon said that he is looking for other businesses to buy, but opportunities for quality long-term assets were 'few and far between.'