Ανάπτυξη και εφαρμογή ολοκληρωμένης λύσης για την επεξεργασία υγρών αποβλήτων με σύστημα MBR στους βιομηχανικούς κλάδους τροφίμων και κλωστοϋφαντουργίας

Καραθανάση, Γεωργία

dc.contributor.author	Καραθανάση, Γεωργία	el
dc.contributor.author
dc.date.accessioned	2020-10-21T17:41:33Z
dc.date.available	2020-10-21T17:41:33Z
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/51563
dc.identifier.uri	http://dx.doi.org/10.26240/heal.ntua.19261
dc.rights	Default License
dc.subject	υγρά βιομηχανικά απόβλητα	el
dc.subject	Διαχείριση υγρών βιομηχανικών αποβλήτων	el
dc.subject	απόβλητα βιομηχανίας τροφίμων	el
dc.subject	απόβλητα κλωστοϋφαντουργίας	el
dc.subject	Βιοαντιδραστήρας μεμβρανών	el
dc.subject	MBR	en
dc.subject	Industrial wastewater treatment	en
dc.subject	textile wastewater treatment	en
dc.subject	food industry wastewater	en
dc.subject	μεμβράνες	el
dc.subject	membranes	en
dc.title	Ανάπτυξη και εφαρμογή ολοκληρωμένης λύσης για την επεξεργασία υγρών αποβλήτων με σύστημα MBR στους βιομηχανικούς κλάδους τροφίμων και κλωστοϋφαντουργίας	el
dc.contributor.department	Περιβάλλον και Ανάπτυξη	el
heal.type	masterThesis
heal.classification	ΒΙΟΜΗΧΑΝΙΚΑ ΑΠΟΒΛΗΤΑ	el
heal.classification	ΕΠΕΞΕΡΓΑΣΙΑ ΑΠΟΒΛΗΤΩΝ	el
heal.classification	ΑΣΤΙΚΑ ΑΠΟΒΛΗΤΑ	el
heal.classification	ΑΠΟΚΑΤΑΣΤΑΣΗ ΠΕΡΙΒΑΛΛΟΝΤΟΣ	el
heal.classification	ΦΥΣΙΚΟΙ ΠΟΡΟΙ, ΕΠΙΣΤΗΜΕΣ ΓΗΣ ΚΑΙ ΠΕΡΙΒΑΛΛΟΝΤΟΣ	el
heal.classification	ΔΙΑΧΕΙΡΙΣΗ ΥΔΑΤΙΚΩΝ ΠΟΡΩΝ	el
heal.classification	ΠΟΙΟΤ	el
heal.classificationURI	http://data.seab.gr/concepts/3765cd2f5cc085639f463aec6b05efa988d2e00b
heal.classificationURI	http://data.seab.gr/concepts/90f42a31eb7ca90cefd62816cbbccc43d69f5b61
heal.classificationURI	http://data.seab.gr/concepts/80a9b121fcfd5b3793d0f719258745dfe0b6fe72
heal.classificationURI	http://data.seab.gr/concepts/6a0e532144f802fa3e280f05bdedf310e933fe42
heal.classificationURI	http://data.seab.gr/concepts/e457f13b2cf6244878be679f6846a5d8453015f8
heal.classificationURI	http://data.seab.gr/concepts/a58c8679e0caeaa39a905eb4c5facaad96bd8dce
heal.language	el
heal.language	en
heal.access	free
heal.recordProvider	ntua	el
heal.publicationDate	2016-11-07
heal.abstract	The significant quantities of wastewater produced, as well as the contamination of water as a result of the industrial development in USA, Europe and Asia, have become a major environmental issue which is essential to be globally addressed. Hence, the need for industrial wastewater reuse applications led to technology innovation in order to succeed the quality improvement of the aquifers with adequate treatment to remove the harmful compounds before wastewater discharges in aquifers and groundwater. One of the most effective techniques that have been used in the last three decades for these purposes is the Membrane Bioreactor (MBR) for the treatment of industrial wastewater. By using this method tertiary processing quality is achieved at a lower cost and rapidly. Basically, this is a relatively new method which combines the development of biomass in a bioreactor with membrane process, like microfiltration or ultrafiltration. The MBR systems offer more technological and economic advantages compared to conventional methods of wastewater treatment since they eliminate the need for secondary clarifiers, and produce effluent of a quality which is equivalent or even superior to tertiary treatment. The success of the method led to the installation of numerous pilot MBR plants in the United States, Europe and Asia. In Greece, there are not so many documented MBR systems in industries, since the last few years an effort is being made to apply membrane bioreactors for the industrial wastewater treatment. The main object of this thesis is to examine the function and therefore the efficiency of two pilot MBR systems that had been installed in a food industry unit and a textile industry unit. The common feature between these two different types of industries is the fact that they both produce wastewater which is characterized by very high organic load, suspended solids, fats and oils (mainly concerning the food industry) and minerals. The system installed in the food industry had been in operation for 40 days, while the pilot system of the textile industry had been in operation for 95 days. During this period, a detailed examination of the systems’ performance took place, as well as a recording of the operational problems that occurred. At the same time, regular samplings and laboratory analyses were implemented for the identification of wastewater characteristics, and the performance assessment of the systems. Physicochemical parameters of wastewater samples were examined, such as the pH, conductivity, alkalinity, organic content (COD, BOD) and the concentration of suspended solids, heavy metal, fats and oils. Moreover, various operating parameters such as the hydraulic retention time (HRT), the permeability and trans-membrane pressure (TMP) were identified as well. Laboratory measurements of pH, conductivity, suspended solids and BOD were made based on Standard Methods. Additionally, COD, total nitrogen and its forms, total phosphorus and phosphate were determined using a photometer, while heavy metal concentrations were identified through atomic spectroscopy. Laboratory and in-situ measurements that took place showed us that the operation of the MBR system in the textile industry may be characterized as successful, since all the physicochemical parameters’ results were satisfactory, except COD. On the contrary, results from the operation of the pilot system in the food industry unit were not so satisfactory, mainly due to several operational problems that occured in combination with the particular characteristics of the specific wastewater stream. The performance of the pilot systems could be improved either through the better pretreatment of influent wastewater streams (in the case of food industry), or through the addition of another treatment step after membrane bioreactor (in the case of textile industry). Finally, we can conclude that there is the potential of applying MBR systems in Greek industry units with satisfactory results. However, further study ought to be made in order to achieve the high efficiency of these systems and produce effluent which corresponds with European wastewater quality standards.	en
heal.advisorName	Λοϊζίδου, Μαρία	el
heal.committeeMemberName	Λοϊζίδου, Μαρία	el
heal.committeeMemberName	Χαραλάμπους, Αικατερίνη Ιωάννα	el
heal.committeeMemberName	Μαλαμής, Συμεών	el
heal.academicPublisher	Εθνικό Μετσόβιο Πολυτεχνείο. Σχολή Αγρονόμων και Τοπογράφων Μηχανικών	el
heal.academicPublisherID	ntua
heal.numberOfPages	179
heal.fullTextAvailability	true