Elevatori Magazine 4 2022

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in steelworks, where the power required for smelting and its subsequent processing is considerable. All the transportation by sea, rail, and road also has a big impact. Among the major environmental problems that steel causes is the fact that, unfortunately, it cannot be easily separated and recycling it may prove almost impossible. Emissions from a steel plant contain around 2% lead, which is a hazardous substance for the environment and mainly comes from car batteries that have not been properly recycled and have come into the plant along with the scrap iron. Furthermore, there is an issue with the processing that steel sheets are subjected to, such as the widely used zinc coatings, paint coatings, and, even worse, chrome plating of certain parts, where chrome is a very hazardous substance. It is difficult to separate between a zinccoated or paint-coated sheet from the part of the scrap iron which is not. Copper and aluminium, each of which may make up less than 2% of the weight of the lift, are also easily recycled to produce other metal. The various plastic materials, also marginal in weight (3 or 4%) cause worse problems, both because they are not easily recycled (think of the plastic film in the plasticised sheet), and because, if they end up being burnt, some of them release hazardous substances into the atmosphere. We hope that everyone knows that any used hydraulic oil must be disposed of by specialised operators, as is the case of lead batteries and other materials, and they should not be released into the environment. The book “Ascensori, energia, ambiente (Lifts, energy, environment)ˮ, written by Giuseppe Iotti. Il libro “Ascensori, energia, ambienteˮ, scritto da Giuseppe Iotti. in acciaieria, dove le energie necessarie alla fusione e successive lavorazioni sono notevoli. I relativi trasporti via nave, ferrovia e camion incidono anch’essi non poco. Tra i maggiori problemi ambientali che pone l’acciaio c’è il fatto che, purtroppo, la raccolta differenziata può non essere attenta o risultare quasi impossibile. I fumi di acciaieria contengono un 2% circa di piombo, sostanza pericolosa per l’ambiente, che proviene in gran parte da batterie di auto non differenziate ed entrate nell’impianto insieme col rottame di ferro. Inoltre, vi è il problema di lavorazioni cui sono soggette le lamiere di acciaio, quali le diffusissime zincature, le verniciature, e ancor peggio le cromature di alcune parti, laddove il cromo è una sostanza anch’essa pericolosa. È difficile differenziare una lamiera zincata o verniciata dalla parte del rottame che non lo è. Il rame e l’alluminio, che possono costituire ciascuno meno del 2% del peso dell’impianto, sono pure facilmente riciclabili per produrre altro metallo. Le svariate materie plastiche, anch’esse marginali in peso (un 3 o 4%) pongono problemi maggiori, sia perché non sempre facili da differenziare (si pensi alla pellicola plastica nella lamiera plastificata), sia perché, se finiscono bruciate, alcune di esse liberano nell’aria sostanze pericolose. Dell’olio idraulico esausto si spera che tutti sappiamo che va conferito a operatori specializzati, come del resto le batterie al piombo e altri materiali, e ne va evitato ogni sversamento. COSTS AND BENEFITS To be honest, if you need to replace a lift, not for the sake of changing it because it's old, but because you want a more energy-efficient one, from an environmental point of view, it would definitely be better not to do so and just to carry out regular maintenance and repairs instead. After all, our economy was until a century ago, and some of the Third World economies still are, an environmentally low-impact economy because it was based on a system of repairing and reusing, rather than consuming. The effects on GDP growth, however, were what they were, and this point is not highlighted enough, that environmental sustainability either goes hand in hand with social sustainability or else will not be achieved. COSTI E BENEFICI A dirla tutta, in sostanza, se si dovesse sostituire un ascensore solo per rimpiazzarlo con uno a minor consumo energetico, e non perché è obsoleto, dal punto di vista ambientale converrebbe sicuramente non farlo e limitarsi a una buona manutenzione ordinaria e straordinaria. Del resto la nostra economia fino a un secolo fa, e così sono ancora alcune nel Terzo Mondo, impattava meno sull’ambiente perché era basata su un sistema di riparazione e riuso, più che di consumo. Gli effetti sulla crescita del PIL però erano quelli che erano e questo rimanda al fatto mai troppo sottolineato che la sostenibilità ambientale o fa il paio con quella sociale oppure non sarà. 72 ELEVATORIMAGAZINE.COM 2022 JULY | AUGUST • LUGLIO | AGOSTO 2022
2022 JULY | AUGUST • LUGLIO | AGOSTO 2022 ELEVATORIMAGAZINE.COM 73
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1972 2022 BUSINESS & INNOVATION FOR
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Editorial Editoriale Volume 51 •
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Editorial Editoriale Modernisations
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Topical subjects Attualità Standar
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to protect, conserve, restore, sust
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© CEN and CENELEC 2016 benefits of
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Topical subjects Attualità 2022: y
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sized towns was 1.2% for pre-owned
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The continued intensification and d
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Topical subjects Attualità A lift
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The Wittur landing doors installed
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Page 36 and 37: Focus Focus Indian trend market, co
Page 38 and 39: capabilities that create safe, seam
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Page 44 and 45: BEST TALL BUILDING UNDER 100 METERS
Page 46 and 47: BEST TALL BUILDING 200-299 METERS
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Page 50 and 51: © Elevatori Magazine 2022 unusual
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Page 56 and 57: several pieces of research, there i
Page 58 and 59: Techniques Tecnica Electrical upgra
Page 60 and 61: Standards, laws & regulations Norme
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Page 72 and 73: Observer Osservatorio Lifts: their
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Elevatori Magazine 4 2022

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