domestic wastewater Articles - page 3

Domestic Wastewater Treatment Plant Biopipe for Tarakli Thermal & Complex Project - Case Study

Taraklı Thermal is establised under Askarya Investement Corp. On 2011 after two years feasibility. Taraklı Thermal is projected on 100000 m2 region and is composed of 60 blocks ( 1300 chamber ), 31200 chamber – otel room, 1900 person / capacity total conference hall, thermal pools and pools. In two years, hospital will be also merged. Their one of the major problem is the lack of ...

Jan. 1, 2016

By Biopipe Global Corp.

Municipal Wastewater Case Study

The south Changchun waste water treatment plant capacity is 150,000m3/d, the source is from domestic wastewater, it is primary treatment process is A20, the water quality should be up to Class A from Class B after modification. And the anmmonia effluent standard should meet the standard of surface waterClass III. The effluent standard as ...

May 1, 2017

By Wuxi BioCell Environmental Technology Co., Ltd.

Performance of an ultra-compact biofilm reactor treating domestic and synthetic wastewaters

The performance of an ultra-compact biofilm reactor (UCBR) treating domestic wastewater (DWW) collected from a local water reclamation plant; and gradually shifting to a mono-type carbon source synthetic wastewater (SWW) combined with DDW (CWW) and finally SWW; was investigated in this study. The total COD concentrations of influent DWW and CWW/SWW were 413.6 ± 80.8 mg/L and 454.9 ± 51.3 mg/L, ...

Jan. 1, 2012

By IWA Publishing

High speed municipal sewage treatment in microbial fuel cell integrated with anaerobic membrane filtration system

A cylindrical two chambered microbial fuel cell (MFC) integrated with an anaerobic membrane filter was designed and constructed to evaluate bioelectricity generation and removal efficiency of organic substrate (glucose or domestic wastewater) depending on organic loading rates (OLRs). The MFC was continuously operated with OLRs 3.75, 5.0, 6.25, and 9.38 kg chemical oxygen demand ...

Jun. 25, 2014

By IWA Publishing

Possibilities for reuse of treated domestic wastewater in The Netherlands

The implementation of wastewater reuse is becoming an increasingly important means of supplementing water supply needs and/or reducing costs. The present paper provides examples of possible uses of treated domestic effluent for the three sectors, i.e. public water supply, industrial and agricultural uses with the aim to address the feasibility of these applications. It is concluded that, although ...

Jan. 1, 2011

By IWA Publishing

Examining social-economic factors in spatial and temporal change of water quality in red soil hilly region of South China: a case study in Hunan Province

The study examines the temporal-spatial variation of water quality by adopting the comprehensive Water Quality Index, and the relationships between economic development and water pollution in Hunan Province by the environmental Kuznets curve hypothesis. The results of temporal-spatial analysis show water pollution is worsening, the water environment in the west province is better than that in the ...

Aug. 2, 2010

By Inderscience Publishers

Survey on nitrogen removal and membrane filtration characteristics of <italic>Chlorella vulgaris</italic> Beij. on treating domestic type wastewaters

Survey on nitrogen removal and membrane filtration characteristics of Chlorella vulgaris Beij. on treating domestic type wastewaters

The main objective of this study is to evaluate the nitrogen assimilation and filtration characteristics of Chlorella vulgaris Beij. when treating domestic wastewaters. Chlorella could assimilate organic nitrogen, ammonia and nitrate in wastewater, and the mean cell residence time (MCRT) to achieve the maximum biomass content in a bioreactor was different for each individual nitrogen source ...

Aug. 8, 2013

By IWA Publishing

Treatment of domestic wastewater using composite ecological system in Chinese rural area

In this study, a newly developed contaminant removal system for domestic wastewater in rural area was used at the first time in Henan province, China. This composite ecological system (CES) consists of septic tank (ST), improved soil filter (ISF) and surface flow wetland (SFW). The performances of the system was to investigate the removal of biological oxygen demand (BOD), total nitrogen (TN), ...

Sep. 2, 2014

By Inderscience Publishers

Elimination of organic micropolluants in wastewater treatment plants

In recent years, organic micropollutants such as pharmaceutical residues, hormones and other endocrine disrupters, biocides, or other additives have been detected in various surface and groundwaters around the world. They often enter surface waters via domestic wastewater and wastewater treatment plant (WWTP) effluents have been identified as one of the main sources of these substances. ...

Feb. 8, 2012

By IWA Publishing

A novel anoxic–aerobic biofilter process using new composite packing material for the treatment of rural domestic wastewater

A pilot scale experiment was conducted to evaluate the characteristics of contaminants removal in a continuously two-stage biological process composed of an anoxic biofilter (AF) and an biological aerated filter (BAF). This novel process was developed by introducing new composite packing material (MZF) into bioreactors to treat rural domestic wastewater. A comparative study conducted by the ...

Feb. 25, 2016

By IWA Publishing

Floating treatment wetlands for domestic wastewater treatment

Floating islands are a form of treatment wetland characterized by a mat of synthetic matrix at the water surface into which macrophytes can be planted and through which water passes. We evaluated two matrix materials for treating domestic wastewater, recycled plastic and recycled carpet fibers, for chemical oxygen demand (COD) and nitrogen removal. These materials were compared to pea gravel or ...

Jan. 1, 2011

By IWA Publishing

Domestic wastewater treatment with CEPT-wetlands process

This study aimed to develop an effective process with less construction and operation cost and with flexibility of meeting different temperature requirements, namely CEPT-construted wetland processes. To reduce the chemical cost for the CEPT process, fly ash was firstly utilised to develop an efficient compound coagulant. The lab-scale experimental results showed that with low Fly Ash Coagulant ...

Mar. 17, 2011

By Inderscience Publishers

Feasibility of UASB/trickling filter systems without final clarifiers for the treatment of domestic wastewater in small communities in Brazil

The paper analyses the concept and performance of different configurations of compact UASB/TF systems, without the final clarification stage, in relation to the removal of organic matter. The experiments were carried out in two sets of UASB/TF systems operating without secondary clarifiers, as follows: (i) four shallow (2.50 m height) TFs, each one filled with a different packing material; and ...

Jan. 1, 2011

By IWA Publishing

The use of sewage sludge compost for improving reedbeds performance

In a wastewater of medium strength, about 75 % of the suspended solids and 40 % of the filterable solids are organic in nature. The parameter used for measuring the strength and the quantity of the organic substances in the wastewater is the Chemical Oxygen Demand (COD) (Aggelakis and Tchobanoglous, 1995; Tchobanoglous and Burton, 1991). Degradable organic matter in wastewater, whether soluble ...

Jan. 2, 1999

By ORBIT e.V.

Using excess sludge as carbon source for enhanced nitrogen removal and sludge reduction with hydrolysis technology

In order to improve the nitrogen removal efficiency and to achieve the sludge reduction in traditional wastewater treatment plants, a combined hydrolysis-anoxic-oxic (H-A-O) pilot-scaled reactor was used in this study to investigate the possibility and validity of using excess activated sludge (EAS) fermentation liquids to enhance the nitrogen removal. The results clearly showed that sludge ...

Oct. 1, 2010

By IWA Publishing

Tech-IA floating system introduced in urban wastewater treatment plants in the Veneto region – Italy

The performance of three integrated wetland treatment plants (horizontal sub-surface flow (h-SSF) and floating treatment wetland (FTW) with differentiated primary treatments) designed for treating domestic wastewater was investigated, monitoring total (TN), nitrate (NO3-N), nitrite (NO2-N) and ammonia nitrogen (NH4-N), total (TP) and phosphate phosphorus (PO4-P), chemical (COD) and biological ...

Sep. 16, 2013

By IWA Publishing

UV disinfection of stabilization pond effluent: a feasible alternative for areas with land restriction

The purpose of this research was to determine the feasibility of a UV photoreactor for the disinfection of effluent from a polishing pond following a UASB reactor treating domestic wastewater. For this, a 20 mm diameter photoreactor (20.7 litre volume) equipped with four 30 W submerged low-pressure mercury arc lamps was used. Three tests with contact times and doses ranging from 45 to 90 s and ...

Jan. 1, 2012

By IWA Publishing

Constructed Wetlands I

Traditional constructed wetland are shallow planted basins for cleaning anthropogenic discharges (wastewater or polluted runoff). They were used for cleaning of: domestic wastewater agricultural wastewater coal mine drainage stormwater runoff The main construction elements were: inflow ( e.g. sedimentation part) substrat (soil or gravel) with plants (marsh or water plants) discharge ...

May 24, 2012

By IWA Publishing

Use of marine outfalls in wastewater disposal

Global experience has shown that disposing of properly treated domestic wastewater through effective ocean outfalls is an economical and reliable strategy for wastewater disposal with minimal environmental impact. Better construction techniques, such as tunnelling, coupled with improved materials mean that the technology of marine wastewater disposal has advanced rapidly in recent years. ...

Oct. 31, 2011

By IWA Publishing

Municipal wastewater characteristics in Thailand and effects of soft intervention measures in households on pollutant discharge reduction

In developing countries with large Millennium Development Goals (MDGs) sanitation indicator, pollutant discharge reduction function of wastewater treatment systems should be considered. In this paper, pollutant generations per capita (PGCs) and pollutant discharges per capita (PDCs) are estimated as a base dataset for wastewater management in Thailand. PDCs of black water, i.e. toilet wastewater, ...

Jul. 1, 2010

By IWA Publishing

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