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Wastewater Treatment: An Overview

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Green Adsorbents for Pollutant Removal

Part of the book series: Environmental Chemistry for a Sustainable World ((ECSW,volume 18))

Abstract

During the last 30 years, environmental issues, especially concerning the chemical and biological contamination of water, have become a major concern for both society and public authorities, but more importantly, for the whole industrial world. Any activities whether domestic or agricultural but also industrial produce wastewaters or effluents containing undesirable contaminants which can also be toxic. In this context, a constant effort must be made to protect water resources. In general, conventional wastewater treatment consists of a combination of physical, chemical, and biological processes and operations to remove insoluble particles and soluble contaminants from effluents. This chapter briefly discusses the different types of effluents, gives a general scheme of wastewater treatment, and describes the advantages and disadvantages of technologies available.

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Abbreviations

AC:

Activated carbons

AOP:

Advanced oxidation processes

AOX:

Adsorbable organic halogen

BAS:

Biological activated sludge

BOD:

Biochemical oxygen demand

CAA:

Commercial activated alumina

CAC:

Commercial activated carbons

COD:

Chemical oxygen demand

CW:

Constructed wetlands

CWAO:

Catalytic wet air oxidation

D:

Dialysis

DPS:

Dangerous priority substances

E:

Electrolysis

EC:

Electro-coagulation

ED:

Electrodialysis

EED:

Electroelectro-dialysis

EF:

Electro-flocculation

ELM:

Emulsion liquid membranes

ICP:

Inductively coupled plasma

MF:

Microfiltration

MVP:

Membrane pervaporation

NF:

Nanofiltration

PAH:

Polycyclic aromatic hydrocarbons

PCB:

Polychlorobiphenyls

PS:

Priority substances

RS:

Reverse osmosis

SLM:

Supported liquid membranes

SS:

Suspended solids

TOC:

Total organic carbon

TOD:

Total oxygen demand

UF:

Ultrafiltration

VOC:

Volatile organic compounds

WAO:

Non catalytic wet air oxidation

WFD:

Water Framework Directive

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Correspondence to Grégorio Crini .

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Crini, G., Lichtfouse, E. (2018). Wastewater Treatment: An Overview. In: Crini, G., Lichtfouse, E. (eds) Green Adsorbents for Pollutant Removal. Environmental Chemistry for a Sustainable World, vol 18. Springer, Cham. https://doi.org/10.1007/978-3-319-92111-2_1

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