Chlorinated ethenes
WebBiostimulation is widely used to enhance reductive dechlorination of chlorinated ethenes in contaminated aquifers. However, the knowledge on corresponding biogeochemical responses is limited. In this study, glycerol was injected in an aquifer contaminated with cis-dichloroethene (cDCE), and geochemical and microbial shifts were followed for 265 ... WebWhit Rawls, P.E. “Derek is first and foremost a leader. He leads by trusting his team members’ abilities. He leads with a deep command of technical …
Chlorinated ethenes
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WebSep 1, 2001 · Evidence for reductive dechlorination of chlorinated ethenes within the Numerous Sand Channels Zone indicates potential for natural attenuation of chlorinated ethenes. Reductive dechlorination of chlorinated ethanes apparently occurs to a lesser extent, indicating relatively less potential for natural attenuation of chlorinated ethanes. WebChlorinated ethenes such as perchloroethene (PCE), trichloroethene (TCE), 1,2-cis-dichloroethene (cis-DCE) and vinyl chloride (VC) are among the most widespread …
WebAug 15, 2005 · All chlorinated ethanes except 1,2-DCA were transformed to less chlorinated ethanes or ethenes. The surface-area-normalized rate constants from first … WebCHLORINATED-ETHENE BIODEGRADATION PROCESSES Microbial organisms use a wide variety of metabolic processes to generate energy and maintain cellular growth. …
WebChlorinated ethenes are prevalent groundwater contaminants. To better constrain (bio)chemical reaction mechanisms of reductive dechlorination, the position-specificity of reductive trichloroethene (TCE) dehalogenation was investigated. Selective biotransformation reactions (i) of tetrachloroethene (PCE) to TCE in cultures of … WebApr 20, 2024 · Sulfidized nanoscale zerovalent iron (SNZVI) with desirable properties and reactivity has recently emerged as a promising groundwater remediation agent. However, little information is available on how the molecular structure of chlorinated ethenes (CEs) affects their dechlorination by SNZVI or whether the sulfur content of SNZVI can alter …
WebMay 17, 2010 · Biodegradation of chlorinated ethenes by naturally occurring or artificially enhanced processes is an important component of current site remediation strategies. At this writing, several microbial ...
how do you clean a bubblerWebReductive dechlorination of chlorinated ethenes under oxidation-reduction conditions and potentiometric surfaces in two trichloroethene-contaminated zones at the Double Eagle and Fourth Street Superfund sites in Oklahoma City, Oklahoma . … how do you clean a brushWebThe presence of ATES and chlorinated ethenes offers the potential for of integration of sustainable energy technology and sustainable groundwater management. Increased temperature around the warm well can enhance reductive dechlorination of chlorinated ethenes. Although low temperature in cold well can hamper biodegradation, seasonal … pho uptownWebAug 26, 2024 · Established an extramurally-funded research program with emphasis upon bacterial photosynthesis and carbon fixation and … pho utrechtWebJan 26, 2015 · Chlorinated ethenes are one class of chlorinated solvents that are among the most common organic contaminants found in public supply wells in … how do you clean a cadillac converterWebApr 28, 2024 · Chlorinated solvents are a large family of organic solvents that contain chlorine atoms in their molecular structure. They were first produced in Germany in the 1800s, and widespread use in the United States (U.S.) began after World War II. In the … pho und riceWebOther chlorinated contaminants degradable under anaerobic conditions include chlorobenzenes, chlorinated pesticides (e.g., chlordane), and oxidizers (perchlorate … how do you clean a camelbak water bladder