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Wastewater

About: Wastewater is a research topic. Over the lifetime, 92512 publications have been published within this topic receiving 1256590 citations. The topic is also known as: waste water.


Papers
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Journal ArticleDOI
TL;DR: In this paper, the development of a general model for biological nutrient removal in activated sludge systems is discussed, which is a mechanistic model based on the International Association on Water Pollution Research and Control (IAWPRC) (now IAWQ) model for carbonaceous energy removal, nitrification, and denitrification.
Abstract: The development of a general model for biological nutrient removal in activated sludge systems is discussed. The general model is a mechanistic model based on the International Association on Water Pollution Research and Control (IAWPRC) (now IAWQ) model for carbonaceous energy removal, nitrification, and denitrification (Activated Sludge Model No. 1 [ASMI]), and the Wentzel et al. (1989a and b) model for biological phosphorus removal, with a number of modifications. A fermentation process has been included for the conversion of readily biodegradable chemical oxygen demand (COD) to short-chain fatty acids (assuming a loss of COD from the system). Hydrolysis of enmeshed slowly biodegradable COD under anoxic and anaerobic conditions has been incorporated, as well as anoxic growth of polyP organisms. These modifications and others are discussed in this paper. The matrix representation and a description of the model processes are also presented, as well as a brief outline of influent wastewater characterization.

218 citations

Journal ArticleDOI
TL;DR: In this paper, the performance of membrane bioreactor (MBR) in treating high strength industrial wastewater is reviewed and the operation, constraints and mitigation of the system in general views.

217 citations

Journal ArticleDOI
TL;DR: In this article, the current scenario with respect to textile industry effluent in Malaysia and technologies available for the treatment of the effluent are reviewed in detail, as well as on-going research works dedicated to textile wastewater treatment.
Abstract: Textile industry is one of the fastest growing industries and significantly contributes to the economic growth in Malaysia. However, this industry also has high water consumption and subsequently produces high discharge rate of wastewater with high load of contaminants. The release of dyes into the environment during textile fiber dyeing and finishing processes is a main source of water pollution. Individual wastewater treatment through physical, biological, or chemical method is often very costly and results in large amount of sludge. Thus, there is a need to look for alternative treatment processes that covers from pre to post wastewater treatment stage. This paper reviews the current scenario with respect to textile industry effluent in Malaysia and technologies available for the treatment of the effluent. Prospects, challenges, and recommendations for future direction as well as on-going research works dedicated to the treatment of textile wastewater are also reviewed in detail.

217 citations

Journal ArticleDOI
TL;DR: A hetero-photoautotrophic algal growth model was studied for improved wastewater treatment and low cost algal biofuel feedstock production and can be used to treat organic-rich wastewaters (e.g. industrial and animal manure wastewater) to achieve the dual purpose of low-cost wastewater treatment

217 citations

Journal ArticleDOI
TL;DR: It may be concluded that both adults and children consuming these vegetables grown in wastewater irrigated soil ingest significant amount of these metals and thus can cause serious health problems.

217 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20247
20236,349
202213,022
20214,371
20204,662
20196,129