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Innovative Aerobic Technology for Wastewater Treatment for Reuse in Agriculture

  • Hossam Abdelsalam Elsayed
  • Ahmed Tawfik
Chapter
Part of the The Handbook of Environmental Chemistry book series (HEC, volume 75)

Abstract

The aim of the present study was the treatment of industrial starch wastewater to be used for irrigation using a technology that is robust and very simple to operate with minimum energy consumption. In order to achieve this important objective, the Innovative Aerobic Technology for wastewater Treatment scheme was investigated. The Innovative Aerobic Technology consisted of a down-flow hanging sponge (DHS) reactor. The Innovative Aerobic Technology system was fed continuously with the Anaerobic Baffled Reactor (ABR) effluent. The DHS reactor was operated at different hydraulic retention time (HRT) of 19.2 h (Run 1), 12.8 h (Run 2), and 6.4 h (Run 3). The average removal values of total chemical oxygen demand (CODt), soluble chemical oxygen demand (CODs), biological oxygen demand (BOD5), total suspended solids (TSS), and total nitrogen (TN) were 57.1%, 63.0%,49.8%, 46.6%, and 68.1%, respectively, for Run 1, 59.0%,47.6%, 46.3%, 55.1%, and 59.7%, respectively, for Run 2, and 53.0%, 50.0%, 58.0%, 31.9%, and 74.5%, respectively, for Run 3. The available data proved that the DHS reactor can deal with higher organic loads. The performance of the DHS reactor was very suitable for carbonaceous organic matter and nitrogen removal and even for wastewater with a high organic loading rate (OLR) of 41.5 kg COD/m3d.

Keywords

Anaerobic baffled reactor effluent DHS High organic loading rate Industrial starch wastewater N.C.M.P 

Abbreviations

ABR

Anaerobic baffled reactor

AS

Activated sludge

AWT

Anaerobic wastewater treatment

BOD

Biological oxygen demand

CODp

Particulate COD

CODs

Soluble COD

CODss

Suspended COD

CODtot

Total COD

COD

Chemical oxygen demand

DHS

Down-flow hanging sponge

DO

Dissolved oxygen

HRT

Hydraulic retention time

NCMP

National Company For Maize Products

NH4–N

Ammonia–Nitrogen

NO2–N

Nitrite–Nitrogen

NO3–N

Nitrate–Nitrogen

NRB

Nitrogen reducing bacteria

OLR

Organic loading rate

ORR

Organic removal rate

PVC

Poly-vinyl chloride

SEM

Scanning electron microscopy

SMA

Specific methanogenic activity

SPW

Starch processing wastewater

SRT

Solids retention time

SS

Suspended solids

TF

Trickling filter

TKN

Total Kjeldahl nitrogen

TP

Total phosphorus

TSS

Total suspended solids

VSS

Volatile suspended solid

WWTP

Wastewater treatment plants

Notes

Acknowledgments

I would like to express my sense of gratitude to Dr. Ahmed Tawfik Ibrahim, Professor of water pollution Control, Water Pollution Research Department, National Research Center, Cairo for suggesting the theme for this chapter; for his valuable guidance, supervision, inspiration, and for his continuous support to accomplish this work successfully. Many thanks and appreciations to all members of National Company for Maize Products (N.C.M.P), 10th of Ramadan City, Egypt, for their kind support and sincere cooperation.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Environmental Quality and Laboratories DepartmentEgyptian Environmental Affairs Agency (EEAA) – Sharkia BranchZagazigEgypt
  2. 2.Egypt – Japan University of Science and Technology (E-JUST), Environmental Engineering DepartmentNew Borg El Arab CityEgypt
  3. 3.National Research Centre, Water Pollution Research DepartmentGizaEgypt

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