Refine by
Biodegradable Compound Articles & Analysis
61 articles found
Ever wonder what happens to the wastewater generated by factories and industries? Well, it does not just vanish into thin air. Instead, it undergoes a rigorous cleaning process called industrial effluent treatment. Therefore, why should we be concerned about treating industrial wastewater? I get it. The concept of treating dirty water might not seem as thrilling as watching your favorite sports ...
Not simply are appropriate sites for disposal becoming less and less widely accessible, nevertheless these dumped tires could cause enormous environmental damage while they biodegrade and compounds from the rugger leach into groundwater. Fortunately, we have seen a variety of advances in wearing down these waste tires and producing petroleum-based products to use ...
Once the radicals are produced, they break the pollutant compounds into intermediates which are further broken down by the remaining radicals and original oxidants. In the end, the contaminants are mostly broken down into simple inorganic compounds like water, carbon dioxide, and salts. AOP systems are mostly used in tertiary treatments, as they are sensitive to ...
Typical Textile waste water Composition Typically, waste water effluent from textile processing operations has the following characteristics: Non biodegradable organics/inorganics such as metals, phenols, color, pesticides and phosphates and certain surfactants. ...
The unique aerobic, oxygen-rich design removes organic waste, nitrogen compounds, surfactants, and other biodegradable contaminants to produce effluent with up to 97% of pollutants removed. ...
This reality limits the absorbed compounds to soil microorganisms. It is now assumed that effectiveness of conventional bioremediation for treating absorbed F2, F3 and desorption and diffusion of bound contaminants to the aqueous moisture F4 contamination in soil. ...
The ultra-stable and inert chemical structure of PFAS and the sheer number of related PFAS precursors make them challenging targets for remediation. While biodegradation of some forms of perfluorinated compounds have been reported, it is typically incomplete 1. ...
BySiREM
Typical Textile wastewater Composition Typically, wastewater effluent from textile processing operations has the following characteristics: Non biodegradable organics/inorganics such as metals, phenols, color, pesticides and phosphates and certain surfactants. ...
Studies have shown that these compounds can exert a large biological effect even at very low concentrations. ...
The study investigated the hydraulic retention time (HRT) and the impact of influent DDA concentration on MBR performance, and analyzed intermediates from the DDA biodegradation pathway and activated sludge transfer pathway. The results showed that a 3 h HRT was an efficient and economical time period for MBR to remove 95 ± 5 mg/L DDA from the simulated wastewater; the chemical ...
The concept of degradation of the considered non-biodegradable particulate compounds in influent and in biomass (cell debris) was also studied. Comparison of evolution of observed sludge yields (Yobs) in the WWTP with Yobs predictions by activated sludge models verified the degradation concept for the considered non-biodegradable ...
Acetone, butanol and other ketones are often detected at low levels during anaerobic bioremediation (Jacob et al., Battelle Bioremediation Symposium Proceedings, 2005). These compounds can be produced during anaerobic fermentation by the bacterium Clostridium acetobutylicum and a variety of related organisms growing on substrates such as potatoes, corn, rye, millet, cheese whey, ...
Phenol and nitrogenous heterocyclic compounds (NHCs) are typical organic pollutants in coal gasification wastewater which are difficult to deal with. Unlike phenol, the stable molecular structure of NHCs make them nearly impossible to degrade under aerobic or anaerobic condition. In this paper, biodegradation of phenol and NHCs as carbon sources for ...
Production of dissolved organic compounds due to biodegradation within the bioreactors was detected for the first 175–230 days, after which their depletion coincided with a crash phase observed in the wood-rich bioreactors only. ...
The GFZ removal can be attributed to biodegradation and there was no accumulation of the compound in the biomass. ...
While esters are known to be part of specific hydrocarbon degradative pathways, they are not commonly considered or evaluated in field studies of petroleum biodegradation. In addition to describing the compounds identified, this short communication discusses the role for non‐targeted analysis in environmental studies. ...
In situ chemical reduction (ISCR) and enhanced reductive dehalogenation (ERD) have demonstrated success in the remediation of numerous recalcitrant and toxic compounds, including chlorinated ethenes and hexavalent chromium. ISCR describes the combined effect of stimulated biological oxygen consumption (via fermentation of an organic carbon source), direct chemical reduction with ...
The purpose of studying the biodegradability of pharmaceutical compounds is to evaluate their behaviors in relation to the treatment processes generally used in domestic and industrial wastewater treatment plants. The antibiotic norfloxacin was found to be a recalcitrant compound. The studies conducted showed norfloxacin removal rates of ...
The hydrolysis process of slowly biodegradable substrate (XS) has an impact on the efficiencies of nutrient removal in activated sludge systems. Measurement of oxygen utilization rates (OURs) and corresponding chemical oxygen demand (COD) is accepted as a very useful tool to reflect the consumption of biodegradable substrates. The influence of the SS fraction ...
Agro-waste materials, such as sweet orange (Citrus sinensis) waste from the citrus industry, are rich in readily metabolisable carbohydrates that can supplement microbial activity and thus support biodegradation of toxic compounds in wastewater. This study reports on optimal operating conditions for the continuous biodegradation of F-CN in ...