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Teknologi membran adalah teknik pemisahan dua fase zat atau lebih dengan bantuan membran semipermeabel. Secara umum, proses pemisahan mekanis untuk memisahkan aliran gas atau cairan menggunakan teknologi membran.
, تشمل تقانة أو تقنية الأغشية في الكيمياء (ب … تشمل تقانة أو تقنية الأغشية في الكيمياء (بالإنجليزية: Membrane Technology) جميع طرق نقل المواد بين محلولين باستخدام أغشية تسمح بمرور السائل. ويقصد بذلك في العادة طرق الفصل المستخدمة في فصل مواد غازية أو سائلة بواسطة تقنية الأغشية. يمكن بناء أجهزة الأغشية بطريقة وحدات، بحيث يفي عدد الوحدات المستخدمة لأداء الغرض. ونظرا لزيادة تكلفة الأجهزة بزيادة عدد وحدات الترشيح، فيوجد حد أمثل لعدد الوحدات المستخدمة يوفق بين عدد الوحدات والمصاريف. إذا كان الحجم المراد ترشيحه صغيرا، مثل ترشيح القهوة فيكفي استخدام ورق الترشيح والطريقة العادية.يكفي استخدام ورق الترشيح والطريقة العادية.
, Membranteknik sammanfattar ett antal separ … Membranteknik sammanfattar ett antal separationsprocesser. Gemensamt för dessa processer är att ett semipermeabelt membran släpper igenom vissa komponenter, medan andra avskiljs . För att molekyler ska transporteras genom membranet krävs en drivande kraft. Denna kan skapas genom skillnader i tryck över membranet, skillnader i elektrisk potential, skillnader i temperatur, skillnader i koncentration eller skillnader i osmotiskt tryck. Den vätskan som har passerat genom membranet kallas permeat, medan den uppkoncentrerade vätskan, den som inte har passerat genom membranet, kallas retentat .asserat genom membranet, kallas retentat .
, Die Membrantechnik umfasst in der Verfahre … Die Membrantechnik umfasst in der Verfahrenstechnik Vorrichtungen und Verfahren zum Transport von Stoffen zwischen zwei Fraktionen unter Zuhilfenahme permeabler Membranen (Trennmembranen). Es handelt sich um mechanische Trennverfahren zur Separation aus gasförmigen oder flüssigen Stoffströmen.s gasförmigen oder flüssigen Stoffströmen.
, Os processos de separação por membranas ou a separação por membranas são um grupo de métodos ou processos para a separação de elementos usando membranas artificiais.
, Membrane technology encompasses the scient … Membrane technology encompasses the scientific processes used in the construction and application of membranes. Membranes are used to facilitate the transport or rejection of substances between mediums, and the mechanical separation of gas and liquid streams. In the simplest case, filtration is achieved when the pores of the membrane are smaller than the diameter of the undesired substance, such as a harmful microorganism. Membrane technology is commonly used in industries such as water treatment, chemical and metal processing, pharmaceuticals, biotechnology, the food industry, as well as the removal of environmental pollutants. After membrane construction, there is a need to characterize the prepared membrane to know more about its parameters, like pore size, function group, material properties etc, which are difficult to determine in advance. In this process, instruments such as the Scanning Electron Microscope, the Transmission electron Microscope, the Fourier Transform Infrared Spectroscopy, X-ray Diffraction, and Liquid–Liquid Displacement Porosimetry are utilized.uid Displacement Porosimetry are utilized.
, I processi a membrana realizzano, mediante … I processi a membrana realizzano, mediante l'applicazione di una forza motrice, una separazione tra due fluidi, attraverso una barriera selettiva (la membrana stessa), che viene attraversata solamente da alcune sostanze presenti nei fluidi mentre è poco, o per nulla, permeabile alle altre. Schema di funzionamento di un processo a membrana con modulo ad avvolgimento a spirale. Con questo termine vengono indicati diverse tipologie di processi di separazione caratterizzati dal seguente principio di funzionamento: la soluzione da trattare, o l'alimento, attraversa la membrana che fungendo da filtro, si lascia attraversare dal permeato (o diluito) ma trattiene il retentato (o concentrato).ma trattiene il retentato (o concentrato).
, Les méthodes de séparation membranaire son … Les méthodes de séparation membranaire sont un procédé de séparation de fluides utilisant comme agent séparant une membrane synthétique qui est une couche mince de matière. L’épaisseur d’une membrane peut varier de 100 nm à un peu plus de 1 cm. Elle permet l’arrêt ou le passage sélectif de certaines substances dissoutes ou non dans un mélange, entre les deux milieux qu’elle sépare. La partie du mélange retenue par la membrane est appelée rétentat (ou concentrat) alors que celle qui traverse cette dernière est appelée perméat. La séparation se fait sous l’action d’une force motrice de transfert selon un mécanisme de séparation défini. Les caractéristiques des membranes sont déterminées par deux paramètres : la perméabilité et la sélectivité.ètres : la perméabilité et la sélectivité.
, La tecnologia de la membrana cobreix totes les mesures en el procés d'engineria per al transport de substàncies entre dues fraccions amb l'ajuda membranes semipermeables.
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Les méthodes de séparation membranaire son … Les méthodes de séparation membranaire sont un procédé de séparation de fluides utilisant comme agent séparant une membrane synthétique qui est une couche mince de matière. L’épaisseur d’une membrane peut varier de 100 nm à un peu plus de 1 cm. Elle permet l’arrêt ou le passage sélectif de certaines substances dissoutes ou non dans un mélange, entre les deux milieux qu’elle sépare. La partie du mélange retenue par la membrane est appelée rétentat (ou concentrat) alors que celle qui traverse cette dernière est appelée perméat. La séparation se fait sous l’action d’une force motrice de transfert selon un mécanisme de séparation défini. Les caractéristiques des membranes sont déterminées par deux paramètres : la perméabilité et la sélectivité.ètres : la perméabilité et la sélectivité.
, Die Membrantechnik umfasst in der Verfahre … Die Membrantechnik umfasst in der Verfahrenstechnik Vorrichtungen und Verfahren zum Transport von Stoffen zwischen zwei Fraktionen unter Zuhilfenahme permeabler Membranen (Trennmembranen). Es handelt sich um mechanische Trennverfahren zur Separation aus gasförmigen oder flüssigen Stoffströmen.s gasförmigen oder flüssigen Stoffströmen.
, La tecnologia de la membrana cobreix totes les mesures en el procés d'engineria per al transport de substàncies entre dues fraccions amb l'ajuda membranes semipermeables.
, Teknologi membran adalah teknik pemisahan dua fase zat atau lebih dengan bantuan membran semipermeabel. Secara umum, proses pemisahan mekanis untuk memisahkan aliran gas atau cairan menggunakan teknologi membran.
, تشمل تقانة أو تقنية الأغشية في الكيمياء (ب … تشمل تقانة أو تقنية الأغشية في الكيمياء (بالإنجليزية: Membrane Technology) جميع طرق نقل المواد بين محلولين باستخدام أغشية تسمح بمرور السائل. ويقصد بذلك في العادة طرق الفصل المستخدمة في فصل مواد غازية أو سائلة بواسطة تقنية الأغشية. يمكن بناء أجهزة الأغشية بطريقة وحدات، بحيث يفي عدد الوحدات المستخدمة لأداء الغرض. ونظرا لزيادة تكلفة الأجهزة بزيادة عدد وحدات الترشيح، فيوجد حد أمثل لعدد الوحدات المستخدمة يوفق بين عدد الوحدات والمصاريف. إذا كان الحجم المراد ترشيحه صغيرا، مثل ترشيح القهوة فيكفي استخدام ورق الترشيح والطريقة العادية.يكفي استخدام ورق الترشيح والطريقة العادية.
, Os processos de separação por membranas ou a separação por membranas são um grupo de métodos ou processos para a separação de elementos usando membranas artificiais.
, Membrane technology encompasses the scient … Membrane technology encompasses the scientific processes used in the construction and application of membranes. Membranes are used to facilitate the transport or rejection of substances between mediums, and the mechanical separation of gas and liquid streams. In the simplest case, filtration is achieved when the pores of the membrane are smaller than the diameter of the undesired substance, such as a harmful microorganism. Membrane technology is commonly used in industries such as water treatment, chemical and metal processing, pharmaceuticals, biotechnology, the food industry, as well as the removal of environmental pollutants.s the removal of environmental pollutants.
, Membranteknik sammanfattar ett antal separ … Membranteknik sammanfattar ett antal separationsprocesser. Gemensamt för dessa processer är att ett semipermeabelt membran släpper igenom vissa komponenter, medan andra avskiljs . För att molekyler ska transporteras genom membranet krävs en drivande kraft. Denna kan skapas genom skillnader i tryck över membranet, skillnader i elektrisk potential, skillnader i temperatur, skillnader i koncentration eller skillnader i osmotiskt tryck. Den vätskan som har passerat genom membranet kallas permeat, medan den uppkoncentrerade vätskan, den som inte har passerat genom membranet, kallas retentat .asserat genom membranet, kallas retentat .
, I processi a membrana realizzano, mediante … I processi a membrana realizzano, mediante l'applicazione di una forza motrice, una separazione tra due fluidi, attraverso una barriera selettiva (la membrana stessa), che viene attraversata solamente da alcune sostanze presenti nei fluidi mentre è poco, o per nulla, permeabile alle altre. Schema di funzionamento di un processo a membrana con modulo ad avvolgimento a spirale.rana con modulo ad avvolgimento a spirale.
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Tecnologia de la membrana
, Membrane technology
, Méthode de séparation membranaire
, Processo de separação por membranas
, Membranteknik
, Membrantechnik
, Teknologi membran
, Processo a membrana
, تقنية أغشية
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