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Dissertations / Theses on the topic 'Heavy metals Electronic waste Water'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Wong, Sze-chung Coby. "Trace metal contamination of the riverine environment in Guiyu, China : the impacts of primitive e-waste disposal /." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B4308526X.

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Wong, Sze-chung Coby, and 黃詩頌. "Trace metal contamination of the riverine environment in Guiyu, China: the impacts of primitive e-wastedisposal." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B4308526X.

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3

Tuzcu, Emrah Tugcan. "Removal Of Heavy Metals In Waste Water By Using Coal Fly Ash." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606366/index.pdf.

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In this research, it is aimed to remove toxic heavy metals in waste water with the help of fly ash from &Ccedil<br>ayirhan thermal power plant. The chemical and physical properties (size distribution, specific surface area, porosity, chemical composition, etc.) of fly ash were determined. The experiments were carried out in synthetic waste water containing lead, zinc and copper metals at different concentrations with the addition of fly ash. The effects of metal concentration, agitation time, particle size, ash amount, and pH in the metal removal were examined. With the addition of even very s

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4

Fitzwater, Kendra K. "Assessment of environmental and public health hazards of electronic waste." Virtual Press, 2007. http://liblink.bsu.edu/uhtbin/catkey/1380100.

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Electronic waste or `e-waste' is a rapidly growing form of solid waste worldwide. The heavy metals present in various electronic components demand attention because such metals may leach and pose significant health and environmental hazards (U.S. EPA, 2007). Knowledge of the potential of heavy metal leaching from e-waste represents an important contribution for developing U.S. standards for classifying e-waste as hazardous waste. Hazardous elements which leach from a variety of electronics wastes were assessed in laboratory batch studies. Electronic components evaluated included PC cathode ray

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5

Stoll, Anita. "Bioaccumulation of heavy metals by the yeast S. cerevisiae and the bioremediation of industrial waste water." Thesis, Rhodes University, 1997. http://hdl.handle.net/10962/d1004075.

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Water is an essential element in all aspects of life and is vital for both domestic and industrial purposes regarding both the quality and quantity thereof. Similar to many other drought stricken countries, South Africa requires water for the socio-economic growth of the country, yet is faced with the problem of maintaining the quality of its drinking water as well as protecting the dwindling supplies. In an attempt to prevent the deterioration of South African water supplies the treatment, purification and recycling of industrial and mining waste water has recently become of prime importance.

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6

Wang, Fang. "Ecotoxicological quality assessment of sediments in Guiyu, an electronic waste disposal site in Southeast China." HKBU Institutional Repository, 2007. http://repository.hkbu.edu.hk/etd_ra/809.

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Montesino, Malmberg Martina, and Rebecka Olofsson. "An Inventory of the Waste Disposal Site Jhumjhumpur in Jessore, Bangladesh, via Soil and Water Sampling." Thesis, KTH, Skolan för kemivetenskap (CHE), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-207104.

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The aim of this study was to make an inventory of the open dumping site Jhumjhumpur in Jessore, Bangladesh, in order to investigate whether spreading of heavy metals had occurred to surrounding soil and groundwater. The study is based on a thorough literature study as well as a field study, including soil and groundwater sampling, at the dumping site Jhumjhumpur. The literature study covers the current waste management system in three cities of Bangladesh: Dhaka, Jessore and Khulna. The results from the field study indicate that metals from the dumping site have been transported and spread to

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8

Yang, Die Daisy, and 楊蝶. "Development of polymers for electroplating waste water purification, polymer-supported reagents for organic synthesis and heterogeneouscatalysts for aerobic alcohol oxidation reactions." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B39848887.

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9

Salih, Ali Mohammed. "The purification of industrial wastewater to remove heavy metals and investigation into the use of zeolite as a remediation tool." Thesis, University of Wolverhampton, 2018. http://hdl.handle.net/2436/621859.

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Zeolites are well-known aluminosilicate minerals that have been widely used as adsorbents in separation, purification processes and environmental pollution control. Zeolites are used in various industrial applications due to their high cation-exchange ability, molecular sieve and cataltic properties. In order to reduce the costs of acquisition and minimise the disposal of adsorbents, both modified natural zeolite and synthetic zeolite (derived from kaolinite) were used for the purification of wastewater. The characteristic properties and applications of adsorbents are also discussed including

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10

Ackah, Louis A. "SYNERGISTIC APPLICATION OF A MUNICIPAL WASTE MATERIAL AND PHYTOREMEDIATION TECHNIQUE FOR REMEDIATING ACID MINE DRAINAGE AND IMPACTED SOIL." OpenSIUC, 2018. https://opensiuc.lib.siu.edu/dissertations/1568.

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Major impacts of current and pre-regulatory mining activities on the environment include the generation of acid mine drainage (AMD) and metal(loid)-laden acid sulfate soils. Current remediation techniques are mostly cost prohibitive due to high energy, material, and labor requirement. This study investigated two complementary low-cost methods that harnessed the metal(loid)-removing and acid-neutralizing properties of drinking water treatment residuals (WTRs) and the uptake (phytoremediation) potential of vetiver (Vetiviera zizanioides L.) and pokeweed (Phytolacca americana L.) to attenuate and

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11

Deng, Wen Jing. "Characterization and cytotoxicity of POPs and heavy metals in TSP and PM2.5 from an electronic waste recycling site, compared with five urban sites in SE China." HKBU Institutional Repository, 2007. http://repository.hkbu.edu.hk/etd_ra/812.

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12

Enmark, Gustav. "Recipientundersökning av Ensjön : Bedömning av sulfidmalmgruvan Enåsens eventuella påverkan på sjöns vattenkvalitet." Thesis, Uppsala University, Department of Earth Sciences, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-88821.

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<p>Ensåsengruvan is a mine situated within Ljusdals municipality in central Sweden. Themine was in use from 1984 to 1991 and has since been undergoing a remediation program. Mine tailings from sulfide rich ore is a potential environmental hazard due to its tendency to cause acid waters and heavy metal leakage. Lake Ensjön is situated one kilometer from the mine area. Due to the hydrological conditions it was not expected to receive inflowing water from the mining area. A study done in 2005 showed high amounts of heavy metals in the lake.</p><p>In this study water and sediments was analyzed to

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13

Toll, Nils. "Considerations and Novel Technologies in Industrial Water Treatment - Treatment of challenging wastewater." Thesis, KTH, Kemiteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-297642.

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Industriell vattenrening är ett extremt viktigt område inom Miljöskyddsteknik då 60% av allt sötvatten inom Sverige används av industrier. Substanser som PFAS, aromatiska textilfärger, fenol och läkemedelsrester är extra utmanande då dessa kan vara gifta för biologisk rening. Syftet med denna rapport var att först redogöra några av de viktigaste avvägningarna som behöver göras när ett industriellt vattenreningsverk designas. I del två av arbetet har en kartläggning av teknologier som kan användas för att assistera eller ersätta biologisk rening. Det existerar flera olika typer av tekniker för

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14

Borba, Willian Fernando de. "VULNERABILIDADE NATURAL À CONTAMINAÇÃO DA ÁGUA SUBTERRÂNEA EM ÁREA OCUPADA POR ATERRO SANITÁRIO EM SEBERI - RS." Universidade Federal de Santa Maria, 2016. http://repositorio.ufsm.br/handle/1/7659.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The issue involving the proper management of municipal solid waste is still a serious problem that affects mainly developing countries, just as Brazil. Only in 2010, with the implementation of the National Solid Waste Policy from the Federal Law No 12.305, this issue began to gain traction in the social and economic environment. In this law one of the proposals is the removal and recovery inappropriate sites for the disposal of municipal waste. The adverse consequences of waste disposal involve two fundamental issues, regarding the

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15

CONICELLI, BIANCA P. "Biossorção de chumbo e mercúrio pelas linhagens selvagem e recombinante de C. metallidurans em meio aquoso." reponame:Repositório Institucional do IPEN, 2017. http://repositorio.ipen.br:8080/xmlui/handle/123456789/27961.

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Submitted by Marco Antonio Oliveira da Silva (maosilva@ipen.br) on 2017-10-27T12:25:12Z No. of bitstreams: 0<br>Made available in DSpace on 2017-10-27T12:25:12Z (GMT). No. of bitstreams: 0<br>Nas ultimas décadas o processo de biossorção tem alcançado grande relevância no tratamento de efluentes contendo metais potencialmente tóxicos. O uso de bactérias nesse processo tem obtido destaque, uma vez que possuem inúmeras vantagens. O presente estudo pretendeu avaliar o mecanismo envolvido no processo de biossorção dos íons Pb(II) e Hg(II) por meio das linhagens Cupriavidus metallidurans (CH34) e C

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16

SILVA, MIRNA M. S. e. "Processo oxidativo avançado com ozônio de efluentes contaminados por manganês e outros metais pesados originados na drenagem ácida em mina de urânio." reponame:Repositório Institucional do IPEN, 2016. http://repositorio.ipen.br:8080/xmlui/handle/123456789/27501.

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Submitted by Marco Antonio Oliveira da Silva (maosilva@ipen.br) on 2017-05-25T13:07:01Z No. of bitstreams: 0<br>Made available in DSpace on 2017-05-25T13:07:01Z (GMT). No. of bitstreams: 0<br>Durante a exploração de uma mina, vários impactos são causados no meio ambiente, entre eles a geração da drenagem ácida de minas (DAM), que consiste da exposição de minerais sulfetados ao ar, água e microorganismos do tipo ferroxidantes, apresentando reações de oxidação e formação de ácido sulfúrico solubilizando metais ali presentes contaminando o solo e as águas. O objetivo deste trabalho de pesquisa f

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17

Zangué, Adjia Henriette. "Adsorption des métaux lourds des eaux usées par les argiles alluviales de l'Extrême-Nord Cameroun." Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0389/document.

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Le développement industriel et urbain accroit la pollution des eaux au Cameroun. Il faut donc rechercher des méthodes de dépollution peu onéreuses et de mise en oeuvre facile. L'objectif de ce travail était d'éliminer les métaux lourds (Cu2+, Pb2+, Hg2+, Cr3+) des eaux usées, par adsorption sur de l'argile brute ou traité thermiquement. L'argile alluviale prélevée dans la région de l'Extrême Nord du Cameroun est essentiellement composée de smectite (46%), kaolinite (38%), interstratifiés (10%) et quartz (5%). Les formules structurales sont (Si3,42Al0,58)(Al0,87Fe0,96Mg0,17)O10(OH)2(C+)0,75 , p

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18

FERREIRA, Joelma Morais. "Biossorção de íons metálicos presentes nas águas de efluentes de indústrias químicas." Universidade Federal de Campina Grande, 2006. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/1848.

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Submitted by Emanuel Varela Cardoso (emanuel.varela@ufcg.edu.br) on 2018-09-28T19:41:20Z No. of bitstreams: 1 JOELMA MORAIS FERREIRA – TESE (PPGEP) 2006.pdf: 9831105 bytes, checksum: 2ef86ebc8b2b5d26c22e23ceaa696d0d (MD5)<br>Made available in DSpace on 2018-09-28T19:41:20Z (GMT). No. of bitstreams: 1 JOELMA MORAIS FERREIRA – TESE (PPGEP) 2006.pdf: 9831105 bytes, checksum: 2ef86ebc8b2b5d26c22e23ceaa696d0d (MD5) Previous issue date: 2006-12-22<br>CNPq<br>As atividades industriais têm introduzido metais nas águas numa quantidade muito maior do que aquela que seria natural, causando grandes pol

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19

Shen, Hxu-Sheng, and 沈旭昇. "Removal of Heavy Metals from Waste Water by Fungi." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/44068167299961690732.

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20

Olena, L. "Waste recovery into activated carbon for water purification from heavy metals." Doctoral thesis, 2010. https://run.unl.pt/handle/10362/4254.

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Dissertação apresentada para obtenção do Grau de Doutor em Engenharia Química Pela Universidade Nova de Lisboa,Faculdade de Ciências e Tecn<br>The main objective of this research was the recovery of natural carbon- containing wastes into environmentally friendly secondary products, and their re-use as selective adsorbents for heavy metals removal from wastewater streams. The natural carbon containing wastes were: Sunflower husks, D-grade coal, AKKhZ sludge and Spent petroleum product waste. To achieve this purpose, the research was focused on three different types of studies: 1. Study the ther

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21

Bopape, Mokgadi Fredericka. "Magnetically assisted removal of heavy metals from wastewater using bio-sorbents." 2013. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1000731.

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M. Tech. Chemical Engineering<br>Environmental pollution due to heavy metals is a global crisis. Contamination as a result of heavy metals from industries such as mining operations, electroplating facilities, etc. pose serious threats to the aquatic ecosystem, people and the environment. Lead (Pb), cadmium (Cd), zinc (Zn), copper (Cu), mercury (Hg) and nickel (Ni) are common examples of heavy metal ions often detected in most effluents. They are characterised by their non-biodegradability, toxicity and tendency to accumulate in living organisms, and thereafter, cause various diseases and disor

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22

Lee, Sung-Ying, and 李松穎. "Study on the Heavy Metals Removal in Waste Water and Waste Gas by Biomass Carbon Prepared from Domestic Sewage Sludge." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/73944g.

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碩士<br>國立宜蘭大學<br>環境工程學系碩士班<br>105<br>In recent years, it is important to pay more attention for heavy metal removal due to increasing environmental awareness. In Taiwan, the sewage treatment plant produces about 4 million tons/year sludge (80% moisture) and nearly 60% of the sludge is not adequately treated. The main traditional treatment of sludge is direct burial. However, direct burial not only occupies the land, but also increases the possibility of groundwater pollution. The residue still needs to be further processed since it contains heavy metal, although some methods such as drying and

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23

Wu, Kuan-Hsien, and 吳冠賢. "Study on the Treatment of Acetone in Waste Gas and Heavy Metals in Water by Vermicompost." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/89673801469406121709.

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24

Li, Chi-Shiuan, and 李奇軒. "Assessment of stabilization of heavy metals in the croplands using the waste water-purification materials from aquarium." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/58490430232544483320.

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碩士<br>國立宜蘭大學<br>環境工程學系碩士班<br>104<br>Soil contamination is an urgent problem which should be solved instantly. Chemical stabilization technique has been used for reclamation of contaminated soils due to several advantages, including easy operation, inexpensive, and friendly for environment. This method has been employed to substitute other expensive techniques for recovery of the industrial areas and farmlands. The objective of this study is using aquaculture’s wastes, including coral bone, natural zeolite, and activated carbon, as chemical stabilizers for treatment of three farmland soils whic

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25

ChangChien, Shui Wen, and 張簡水紋. "The effect of electroplating waste water to heavy metals accumulated forms in soil system and to agricultural products." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/37425431185212473953.

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碩士<br>國立中興大學<br>土壤學系<br>84<br>The effect of electroplating waste water to heavy metals accumulated forms in soil system and to agricultural products Chang-Chien, Shui Wen Abstract In recent years the industrialization has been rapidly developed in Taiwan. the heavy metals such as Ni, Zn, Pb, Cu, Cr and Cd are easily penetrated into soil environment by the industrial waste materials. Different forms of heavy metals maintain circulating equilibrium with diffused metal in the so

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26

Iloms, Eunice Chizube. "Investigating industrial effluent impacts on municipal wastewater treatment plant." Diss., 2018. http://hdl.handle.net/10500/25877.

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Industrial effluents with high concentrations of heavy metals are widespread pollutants of great concerns as they are known to be persistent and non-degradable. Continuous monitoring and treatment of the effluents become pertinent because of their impacts on wastewater treatment plants. The aim of this study is to determine the correlation between heavy metal pollution in water and the location of industries in order to ascertain the effectiveness of the municipal waste water treatment plant. Heavy metal identification and physico-chemical analysis were done using Inductively Coupled Plasma Op

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27

Σωτηρόπουλος, Σταύρος. "Διερεύνηση της συμπεριφοράς μακροθρεπτικών και βαρέων μετάλλων στο σπανάκι με την επαναχρησιμοποίηση της ιλύος του βιολογικού καθαρισμού Καλαμάτας". Thesis, 2011. http://hdl.handle.net/10889/5882.

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Στην παρούσα μεταπτυχιακή εργασία παρουσιάζονται τα αποτελέσματα της διερεύνησης της επίδρασης της ιλύος βιολογικού καθαρισμού Καλαμάτας (Β.Κ.Κ.) στην ανάπτυξη του σπανακιού (Spinacia Oleracea) καθώς και στην απαορρόφηση N, P, K, Ca, Mg, ιχοστοιχείων Fe, Mn, Cu, Zn, βαρέων μετάλλων Pb, Ni, Cd και Cο από τα διάφορα μέρη του φυτού. Επιπλέον, η εργασία αυτή αποτελεί μια μελέτη της επίδρασης της συγκεκριμένης ιλύος και σε ορισμένους δείκτες ποιότητας των μιγμάτων ιλύος-εδάφους, όπως pH, αλατότητα, οργανική ουσία, ολικό ανθρακικό ασβέστιο, αλλά και σε ποσοτικούς δείκτες όπως η περιεκτικότητα σε ολι

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