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Autore principale:	Arianna Cabrera Acevedo
Natura:	Artículo científico
Lingua:	es
Pubblicazione:	Empresa de Proyectos de Arquitectura e Ingeniería de Matanzas 2011
Soggetti:	Ingeniería Hoteles Impacto ambiental Ornamentos acuáticos Consumo de agua potable
Accesso online:	https://www.redalyc.org/articulo.oa?id=193921374003
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Propuesta de reutilización del efluente de la planta de tratamiento Tryp Península en fuentes ornamentales y espejos de agua de los hoteles ubicados en el sector Punta Hicacos. Arianna Cabrera Acevedo Ingeniería Hoteles Impacto ambiental Ornamentos acuáticos Consumo de agua potable Este trabajo se desarrolla en el sector hotelero Punta Hicacos, Varadero, donde se encuentran los hoteles Tryp Península, Playa Alameda, Princesa del Mar, Barceló Marina Palace y Sirenis Salinas. Se realiza un estudio de los consumos de agua potable en dichos hoteles, así como de los consumos de agua potable que se destinan a las fuentes y espejos de agua en cada uno de ellos, para valorar la propuesta de reutilización del efluente de la planta de tratamiento Tryp Península ubicada en la zona de estudio, en el llenado y reposición diaria de los ornamentos acuáticos de los hoteles. Se realiza la caracterización físico- química y bacteriológica y la cuantificación del efluente que se produce en la planta de tratamiento, así como un análisis económico y una estudio de impacto ambiental de la propuesta. Se obtiene que el efluente de la planta de tratamiento cumple con los niveles de calidad establecidos para ser reutilizado en las fuentes y espejos de agua de los hoteles y que con valores entre un 5.7% y un 8.4% del agua que desecha en la planta por infiltración a pozos, en dependencia de la época de lluvia, se puede satisfacer los consumos de agua que se necesitan para los fines propuestos, lo cual representa un ahorro total de agua potable de 20670.10 m3/año y un ahorro de 19636.68 cuc/año. Se obtiene además, que el resultado del estudio de impacto ambiental que provoca acometer las acciones para esta propuesta es de poca magnitud e importancia sobre los elementos que pudieran verse afectado. 2011 artículo científico 1990-8830 https://www.redalyc.org/articulo.oa?id=193921374003 es http://www.redalyc.org/revista.oa?id=1939 Revista de Arquitectura e Ingeniería application/pdf Empresa de Proyectos de Arquitectura e Ingeniería de Matanzas Revista de Arquitectura e Ingeniería (Cuba) Num.1 Vol.5

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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