• Dechlorination of short chain chlorinated …

    Dechlorination of short chain chlorinated paraffins by nanoscale zero-valent iron. [Zhi-Yong Zhang, Mang Lu, Zhong-Zhi Zhang, Meng Xiao, Min Zhang] PMID 23107289 . Abstract In this study, nanoscale zero-valent iron (NZVI) particles were synthesized and used for the reductive dehalogenation of short chain chlorinated paraffins (SCCPs) in the laboratory. The results show that the dechlorination ...

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  • Products - JSC KAUSTIK

    Chlorinated paraffin wax CP-250 Chlorinated paraffin wax CP-30 Chlorinated paraffin wax CP-418 Chlorinated paraffin wax CP-470A Chlorinated paraffin wax CP-52 Chlorinated paraffin wax CP-66Т Swimming pool chemicals. AQUATICS algicide (liquid) AQUATICS disinfectant SDSC (tablets 200) AQUATICS disinfectant FDSC (20)

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  • Chlorparaffine – Wikipedia

    Recent studies (>2010) reporting on environmental entry, fate & occurrence of chlorinated paraffins (CPs) were reviewed. • CPs are produced in high volumes (ca. 1000 kt yr −1) & are ubiquitously present in the environment, including remote areas.. Limited data suggest that MCCPs are being applied more frequently and have higher environmental levels than SCCPs.

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  • Section Head - Production (Chlorinated …

    Section Head - Production (Chlorinated Paraffin's)- Renukoot. Section Head - Production (Chlorinated Paraffin's)- Renukoot. Updated: April 21, 2020. Location: ABCIL - Renukoot, Uttar Pradesh, India. Organization: Grasim Chemical Div - Renukoot. Job Description: To plan monitor & control all activities of Old Chlorinated Paraffin plant to achieve targeted output by fulfilling the …

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  • Basic Chemistry of Chlorination - Hydro Instruments

    2 Basic Chemistry of Chlorination The pH of the water is important relative to the varying proportions of the hypochlorous acid and hypochlorite ions. In a solution with pH rising over 6.0 the proportion of hypochlorous acid declines from virtually 100% down to almost 0 at pH 9.0. The activity of hypochlorous acid as a bactericide is greatly ...

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  • Chlorinated paraffins: chapter 5 - Canada.ca

    5.1.1 Short-chain chlorinated paraffins. Tomy (1997) determined SCCPs (C 10-13, 60-70% chlorine) in 24-hour air samples collected daily during a 4-month period in the summer of 1990 in Egbert, Ontario, a "rural site northwest of Toronto," by high-resolution gas chromatography/electron capture negative ion Hhigh-resolution mass spectrometry (HRGC/ECNI-HRMS) (Muir et al., 1999).

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  • Effectiveness of Zerovalent Iron and Nickel Catalysts for ...

    inhibited degradation of chlorinated solvents. Although both the nickel catalyst and nZVI were able to degrade NDMA in deionized water, neither of these metals was effective at degrading NDMA in ...

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  • Toxic substances list: chlorinated alkanes - …

    Toxic substances list: chlorinated alkanes. The term paraffins used to identify these substances was changed to alkanes to harmonize with more current nomenclature that is recognized by other jurisdictions and international bodies. Chlorinated alkanes are chlorinated hydrocarbons (n-alkanes) that can have carbon chain lengths ranging from 10 to 38 carbon atoms. They are generally grouped by ...

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  • Chlorinated Polyethylene (CPE) Characteristics …

    The high-temperature thermal aging resistance of CPE fabricated from low-pressure polyethylene HDPE is superior to that of CPE fabricated from high-pressure polyethylene. CPE is commonly produced in the density range of 0.93–0.96 g/cm 3 with an average molecular weight of 5–25 million and the melt index of 0.01–2.0 g/10 min.

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  • In Situ Chemical Reduction vs. Enhanced Reductive ...

    In Situ Chemical Reduction vs. Enhanced Reductive Dechlorination Case Study [email protected] | 1.866.860.4760 | peroxychem.com/remediation ELS is a ...

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  • Paraben - Wikipedia

    Another significant paraben degradation product is 4-hydroxybenzoic acid (PHBA). There are two mechanisms in which parabens can degrade to PHBA. The first degradation route occurs chemically. Parent parabens readily undergo base-catalyzed hydrolysis of the ester bond, forming PHBA. The reaction occurs under moderately alkaline conditions, specifically when the pH is ≥ 8.

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  • Chlorinated Paraffins: Effect of some …

    Chlorinated Paraffins: Effect of some Microsomal Enzyme Inducers and Inhibitors on the Degradation of 1-14 C-Chlorododecanes to 14 CO 2 in Mice. Per Ola Darnerud; Article first published online: 13 MAR 2009. DOI: 10.1111/j.1600-0773.1984.tb01971.x. 1984 Nordic Pharmacological Society ...

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  • Biodegradation of Chlorinated Solvents - CLU-IN

    Biodegradation of Chlorinated Biodegradation of Chlorinated Solvents Jim A. Field Department of Chemical and Environmental Engineering, University of Arizona [email protected] 1. 2 Literature Review Field, J.A. & R. Sierra-Alvarez (2004) Biodegradability of chlorinated solvents and related chlorinated aliphatic compounds. Reviews in Environmental Science & Bio/Technology 3:185 …

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  • Degradation of 1,2-dichloroethane with …

    The degradation kinetics in the sulfite/UV ARP was found to follow a pseudo-first-order decay model and the effects on kinetics of several factors were studied. More than 90% of initial 1,2-DCA was removed within 20. min in alkaline conditions (pH 8.2, 9.0 and 11.0) while it took 130. min to reach same removal at pH 7.0. Increasing the sulfite dose and UV light intensity caused the rate ...

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  • (PDF) Biodegradation of Chlorinated …

    Biodegradation of Chlorinated Compounds—A Review Article (PDF Available) in Critical Reviews in Environmental Science and Technology 37(2):165-198 · March 2007 with 4,966 Reads

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