Manufacturing

Get Abrir en caso de Apocalipsis. Guía rápida para reconstruir PDF

By Lewis Dartnell

ISBN-10: 8499925227

ISBN-13: 9788499925226

«Una mirada fascinante a los principios básicos de las principales tecnologías que sostienen los angeles sociedad contemporánea». Wall road magazine Una pandemia incontrolable, el impacto de un meteorito, o quizá una guerra nuclear; por el motivo que sea, el mundo que conocemos ha desaparecido y los escasos supervivientes deben comenzar de cero. ¿Cuáles son los conocimientos fundamentales necesarios para reconstruir nuestra civilización? Tras recoger lo poco lo poco que queda, ¿cómo se puede empezar a producir lo esencial? ¿Cómo cultivar alimentos, generar electricidad, preparar medicinas o extraer steel de las rocas? ¿Se puede evitar una nueva edad oscura y aprovechar los atajos para conseguir de nuevo el desarrollo? los angeles vida en las sociedades contemporáneas nos han desconectado de los procesos básicos que nos sostienen, así como de las elegantes premisas científicas que permiten aprender las cosas por uno mismo. Abrir en caso de apocalipsis es un viaje de exploración, un libro que explica todo lo que hay que saber acerca de todo lo que nos rodea. Una guía rápida para reiniciar l. a. civilización que transformará nuestra comprensión del mundo, y nos ayudará cuando este ya no exista. los angeles crítica ha dicho... «Un maravilloso compendio de los conocimientos que hemos olvidado. El libro más inspirador que he leído en mucho tiempo». Peter Forbes, self reliant «Un libro extraordinario, una lectura estupenda incluso si los angeles civilización no desaparece. Si lo hace, será los angeles biblia del nuevo mundo, y Dartnell su profeta». the days «Una fascinante historia de l. a. ciencia y los angeles tecnología». Steven Poole, The father or mother

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Reactors and catalytic tubes lined with this metal give satisfactory service for prolonged periods. HYDRATION AND HYDROLYSIS Ethyl alcohol is a product of fermentation of sugars and cellulose but the alcohol is manufactured mostly by the hydration of ethylene. An indirect process for the manufacture of ethyl alcohol involves the dissolution of ethylene in sulfuric acid to form ethyl sulfate, which is hydrolyzed to form ethyl alcohol (Fig. 1). There is always some by-product diethyl ether that can be either sold or recirculated.

Equipment for the commercial chlorination reactions is more difficult to select, since the combination of halogen, oxygen, halogen acid, water, and heat is particularly corrosive. Alloys such as Hastelloy and Durichlor resist well and are often used, and glass, glass-enameled steel, and tantalum are totally resistant but not always available. Anhydrous conditions permit operation with steel or nickel alloys. With nonaqueous media, apparatus constructed of iron and lined with plastics and/or lead and glazed tile is the most suitable, though chemical stoneware, fused quartz, glass, or glass-lined equipment can be used for either the whole plant or specific apparatus.

Only partial oxidation is required for conversion of one organic compound into another or complete oxidation to carbon dioxide and water will ensue. The most common oxidation agent is air, but oxygen is frequently used. Chemical oxidizing agents (nitric acid, dichromates, permanganates, chromic anhydride, chlorates, and hydrogen peroxide) are also often used. As examples of oxidation processes, two processes are available for the manufacture of phenol, and both involve oxidation. The major process involves oxidation of cumene to cumene hydroperoxide, followed by decomposition to phenol and acetone.

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Abrir en caso de Apocalipsis. Guía rápida para reconstruir la civilización by Lewis Dartnell


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