Month: February 2017

Tire recycling agency in Canada to be closed

Due to numerous loopholes in the system and its vulnerability to fraudulent activities by insiders, tire recycling agency in Ontario will be closed. Throughout the last years, Canadian newspaper “the Star” exposed frauds within the agency like suspicious money transferring and wasteful spending by its executives. Canada’s minister of the environment and climate change Glen Murray said the Ontario Tire Stewardship which is the least complicated and the smallest among three recycling programs supervised by government will be eliminated under the new legislation designed to enhance the level of recycling in the province. Murray said investigations by the Star proved “insufficiency of the transparency, the accountability and the protection of public interest.” Stories by the Star showed that the Stewardship used public funds to for luxury trips, fine wine and donations to the Liberals of Ontario. These stories also exposed allegations of frauds by executives and doubtful bank transfers emphasized by the federal intelligence organization which investigates terrorism and money laundering. All doubtful transactions mentioned above come from “eco-fees” which are paid by Ontario’s drivers to recycle used tires. Annually, tire dealers collect some $70 million for the Stewardship. In a letter sent to the Stewardship on the 17th of February Murray mentioned a deadline of the 31st of October given to Andrew Horseman to submit a plan to close down Ontario’s waste oversight authority. Murray asserts that the...

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Tire recycler Aliapur optimizes costs

Despite all announcements about rising prices for new tires, French used tire collection and management company Aliapur exhibits stability and succeeds on the tire recycling arena. According to a statement of the company, “eco-contribution” will remain the same for all tire categories. Thus, the levy remains to be EUR 1.25 for all passenger car tires which add up to some two thirds of the total annual volume of collection. Due to this decision, the levy will remain untouched and will be maintained at the level of the last two years. In fact, this means a persistent decline in contributions...

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Prices for ferrous scrap are rising again

Over the last four months, steel prices have been building up. Due to price increases, tire recycling companies are enjoying higher revenues. Should they expect even higher revenues from steel cords or prices are going to plummet again? This January, ferrous scrap prices rose up again. Last two month before the new year the price had been going up and January follows the same trend – the price has been bouncing back from a steep and unexpected drop that affected ferrous scrap in September and October of the last year.American Metal Market (AMM) indicates in their price surveys and indices...

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Chinese speculators drive natural rubber prices up to 5-year high

Natural rubber (NR) prices become ever-higher and thus crumb rubber from recycled tires may gain competitive advantages. The article by Global Rubber Markets tells more about the reasons of recent NR price increases. Traders report that investors from China are punting on surging global natural rubber demand on growth recovery in China stoking the automotive sector, and this comes together with hope that Trump’s stimulus will stoke the economy of Unite States. Bridgestone, the biggest tire manufacturer in the world, warned that these events may increase product prices. Оnce China returns tо business after the New Year break, these bets are...

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Modified bitumen: how to improve rheometry of crumb rubber

Recently, University of Nottingham and the Engineering and Physical Sciences Research Council (EPSRC) carried out a research aimed at improving rheometry of crumb rubber. Davide Lo Presti, Senior Scientist and International research Project manager at University of Nottingham reports results in his article “Improving rheometry of crumb rubber modified bitumen: a testing geometry tailored for simultaneous low-shear mixing and measurements”. In several fields of engineering, multi-phase materials are common and for the sake of their quality control, research and development, rheological measurements are ubiquitously used. But inasmuch as materials are complex, it is challenging to obtain accurate measurements. This also works in case with bitumen-rubber blends which are used as binders in civil engineering (e.g. asphalt, concrete for pavements and even roofing membranes). All these materials are in fact hetegeneous fluid blends which contain particles with various densities. Due to the nature of the blend, fluid and particles tend to separate and appropriate mixing and design are needed to circumvent enhancing of this phenomenon. Because of this, there is a need in the efficient dispersion and distribution while manufacturing. In addition, measuring viscosity with standard tools can bring misleading results (chеck guidеlinеs of how to usе viscomеtеr as a low-shеar mixеr hеrе: Dеfinition of a laboratory optimization protocol for road bitumеn improvеd with rеcyclеd tirе rubbеr). To round this difficulty, a precious research offered a prototype of Dual Helical...

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