Influence of soluble microbial products (SMP) on wastewater disinfection byproducts: trihalomethanes and haloacetic acid species from the chlorination of SMP

Wei, Yuanyuan; Liu, Yan; Zhang, Yun; Dai, Ruwei; Liu, Xiang; Wu, Jin-jian; Zhang, Qiang

doi:10.1007/s11356-010-0356-5

Cited by 38 publications

(11 citation statements)

References 20 publications

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“…It has been suggested that SMPs can increase the DBP formation in chlorinated water (Chen et al, 2008;Cheng and Chi, 2003;Dotson et al, 2009). The influence of SMPs on the formation of DBPs in the wastewater effluent after wastewater disinfection has been reported (Wei et al, 2011;Zhang et al, 2009). However, there are few studies on the characteristics of SMPs as DBP precursors in the surface water supply.…”

Section: Introductionmentioning

confidence: 99%

Characterization of soluble microbial products as precursors of disinfection byproducts in drinking water supply

Liu

Xie

et al. 2014

Science of The Total Environment

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Water pollution by wastewater discharge can cause the problem of disinfection byproducts (DBPs) in drinking water supply. In this study, DBP formation characteristics of soluble microbial products (SMPs) as the main products of wastewater organic biodegradation were investigated. The results show that SMPs can act as DBP precursors in simulated wastewater biodegradation process. Under the experimental conditions, stabilized SMPs had DBPFP (DBP formation potential) yield of around 5.6 μmol mmol(-1)-DOC (dissolved organic carbon) and DBP speciation profile different from that of the conventional precursor, natural organic matter (NOM). SMPs contained polysaccharides, proteins, and humic-like substances, and the latter two groups can act as reactive DBP precursors. SMP fraction with molecular weight of <1 kDa accounted for 85% of the organic carbon and 65% of the DBP formation. As small SMP molecules are more difficult to remove by conventional water treatment processes, more efforts are needed to control wastewater-derived DBP problem in water resource management.

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Section: Introductionmentioning

confidence: 99%

Characterization of soluble microbial products as precursors of disinfection byproducts in drinking water supply

Liu

Xie

et al. 2014

Science of The Total Environment

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“…SMP are soluble cellular components that are released during biomass decay, they are inevitably produced because of microbial metabolism. The main components of SMP have been identified as protein, polysaccharides, humic acids, and nucleic acids [9]. SMP are important because they are always formed during biological treatment, and they constitute the majority of the effluent COD in many cases [10].…”

Section: Methodsmentioning

confidence: 99%

Organic Component and Nitrogen Removal of Fresh Waste Leachate by Circulating on Old Waste Deposits as a Pretreatment

Shoeybi¹,

Salvacion²

2012

IJESD

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Traditional waste management in landfills made the leachate a serious environmental problem. Effective treatment for landfill leachate because of high concentration of organic and nitrogen components is of great importance to reduce its adverse impacts on environment. Applicability of leachate pretreatment based on recycling the leachate of fresh waste on old waste was investigated in this study. In first step an LSR with 200L volume filled with fresh waste and had run until its parameters showed degradation for more than 90%. In second step two different landfill simulation reactor (LSR) systems were setup, each setup consist of two LSRs in series. In the first setup , both reactors filled with fresh waste and their leachate was recirculated daily by peristaltic pump at constant rate. In the second setup daily the leachate from fresh waste LSR (A2) was passed through the second LSR (B2) which filled with old waste that prepared in previous step, while at the same time the leachate from reactor B2 was passed through reactor A2. Leachate quality in both setups determined weekly for COD, BOD 5 , ammonia nitrogen (NH 3-N) and ammonium nitrogen (NH 4-N). Multiple linear regression model was used to describe relationship between experiments data, furthermore equations of the fitted models and degree of accuracy by mean absolute error (MAE) were determined. The results indicate that this procedure has shown significant effect on reduction pollutant components of leachate, also it can be more effective for organic component removal compare to nitrogen removal.

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“…Protein and humic substances were analyzed but was below detectability. SMP were proved to be one kind of important organic pollutants in water and precursors of disinfection by-products (DBPs) (Liu et al 2014;Wei et al 2011). By assaying variation of polysaccharide, the removal and transformation of SMP and similar large molecule organic matters was indicated.…”

Section: Soluble Microbial Productsmentioning

confidence: 99%

Fate of Organic Pollutants in a Full-Scale Drinking Water Treatment Plant Using O₃-BAC

Song

Liu

et al. 2015

Ozone: Science & Engineering

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This research investigated the fate of organic pollutants in each unit of a full-scale O 3 -BAC (biological activated carbon) drinking water treatment plant with micro-polluted raw water under different temperatures. Total organic matters were largely removed with low DBPs (disinfection by-products) formed. Large molecules were broken into smaller ones by O 3 and middle-sized ones totally removed. Concentration of polysaccharide decreased except under high temperature. Small molecule contaminant species of refractory indus trial additives, hydrocarbons, aromatics, herbicides, possible DBPs, etc., were detected. Some species passed through treatment process, some were removed and also new species formed.

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Influence of soluble microbial products (SMP) on wastewater disinfection byproducts: trihalomethanes and haloacetic acid species from the chlorination of SMP

Cited by 38 publications

References 20 publications

Characterization of soluble microbial products as precursors of disinfection byproducts in drinking water supply

Characterization of soluble microbial products as precursors of disinfection byproducts in drinking water supply

Organic Component and Nitrogen Removal of Fresh Waste Leachate by Circulating on Old Waste Deposits as a Pretreatment

Fate of Organic Pollutants in a Full-Scale Drinking Water Treatment Plant Using O₃-BAC

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Influence of soluble microbial products (SMP) on wastewater disinfection byproducts: trihalomethanes and haloacetic acid species from the chlorination of SMP

Cited by 38 publications

References 20 publications

Characterization of soluble microbial products as precursors of disinfection byproducts in drinking water supply

Characterization of soluble microbial products as precursors of disinfection byproducts in drinking water supply

Organic Component and Nitrogen Removal of Fresh Waste Leachate by Circulating on Old Waste Deposits as a Pretreatment

Fate of Organic Pollutants in a Full-Scale Drinking Water Treatment Plant Using O3-BAC

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Product

Resources

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Fate of Organic Pollutants in a Full-Scale Drinking Water Treatment Plant Using O₃-BAC