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Kal Tire’s new carbon calculator quantifies environmental savings when retreading tires. The company recently announced the certification of its new carbon calculator that is able to determine fuel and carbon emissions saved by retreading earthmover tires compared to buying new. With that, the company is launching its Maple Program, which quantifies a customer’s environmental impact as they grow their fleet with tire retreads.

For many years, tire recycling industry and business worldwide could not design economical solutions to efficiently recycle end-of-life off-the-road (OTR) tires. While OTR tires consist of high-quality natural rubber, one of the challenges in recycling them was transport. Huge size and weight of OTR tires do not allow transporting these tires easily and, as a result, these end-of-life tires used to be buried in quarries and on mining sites. Today, new technologies and innovations in engineering design give us hope that OTR tire recycling will soon become a common practice.

According to Kal Tire – a renowned tire manufacturing company committed to sustainability – its tire recycling plant in Chile is expected to be constructed in 2020. The company says that construction of its recycling plant for OTR, mining and industrial tires began in May 2019. As a project location, Industrial Quarter of La Negra, Antofagasta, Chile was chosen. The size of the area is 60,000 m2. Kal Tire says that it will allow to generate greater employment, give the area environmental benefits and reduce carbon footprint. The plant was designed and manufactured in Europe, and recycles end-of-life OTR and mining tires through the process of thermal conversion (pyrolysis / thermolysis). Reportedly, the plant will be capable of recycling tires of 4 meters in diameter and more than 4 tons of weight.

Phoenix Innovation Technology works with world class rubber labs and research institutions that have validated its Regenerated Rubber in several high-volume technical compounds. These compounds include: OTR, Agricultural and Semi Truck tire tread compounds as well as industrial rubber compounds such as conveyor belts and anti-vibration engine mounts, and various EPDM applications. Phoenix Innovations highlights that Regenerated Rubber is high quality and delivers consistent performance that is optimized for the specific application. For compounders and manufacturers, using Regenerated Rubber is an opportunity to save on raw material costs and improve sustainability.

Gradeall’s team pinpoints that the current problem in OTR tyre recycling is that these huge tyres take up a lot of space and are very heavy at approximately 600 kg per tyre making them take up a lot of space, they are impossible to move by hand and costly to transport due to low amount of material fitting on a trailer. Using the Gradeall OTR cutting range these large tyres can be cut down into easy to manage segments weighing under 25Kg which means they can be lifted and moved around by anyone. These segments can be baled, shredded, sent for pyrolysis or any of the further recycling methods that are available to conventional tyres.

In the end of this article we make an estimation of a possible annual market size of recovered carbon black, modestly assuming virgin carbon black substitution rate at 20%. Hint: numbers suggest that recovered carbon black production is a profitable business rich in opportunities. Traditionally Carbon Black (CB) has been used as both a reinforcing agent and filler in automobile tires. Along with better understanding of CB’s unique properties as a material, it is presently used in a much wider range of applications across a large variety of products – car tires, conveyor belts, inks, plastic pipes, rubber mats, shoe soles and so forth. Virgin CB contains only trace amounts of impurities and carbon content is very close to 100%.

Grupo Soledad, a parent company of the Spanish tire retreading firm Insa Turbo, has grown in the last years and shown some great results in circular economy advancement. It produces tire retreads at Insa Turbo’s retread manufacturing plant at Aspe that actually has expanded and now serves not only as a facility where retreads are made. The Group has its tire retreading plant — annually, the plant turns back to life some 200,000 tires of various types and makes OTR retreads. The corporation also looks for the ways to boost retread sale. For instance, Grupo Soledad tries to do so by teaming up with Continental that sends all its casing to the group’s site at Aspe, so the two can produce quality retreads.

Tyre Stewardship Australia reports that in 2019 it engaged Randell Environmental Consulting in association with Brock Baker Environmental Consulting to complete an analysis of the consumption and fate of mining industry Off-The-Road tyres. This analysis followed the completion of the report commissioned by Tyre Stewardship Australia titled End-Of-Life Tyres Supply Chain and Fate Analysis (REC 2019) by Randell Environmental Consulting.

This article tells how Salvadori – the renowned provider of tire recycling solutions and recycling technologies – helped American OTR tire manufacturer efficiently recycle their end-of-life products. Off The Road (OTR) tires usually pose a huge challenge for companies when it comes to their recycling – OTR tires up to 51 inches in diameter previously were not easily downsized. The question was, how to take advantage by turning waste into something of value.