My last post in what is happening with our water 💦, it has me going down yet another rabbit hole!
WWIII Is all about information! Folks, they are censoring how you get your information and what you have access too!
They the three letter agencies are all about control control control!! And they are trolling us, censoring us and removing information everyday!
In my researching I have found more pages of 404 this page has been removed, not being able to copy and paste vital information! Why???
So my question 🙋♀️ is can we reverse what the WHO and the reckless elite idiots have done?
Can we remove Chloroform which is a chemical reaction of chlorine and organic material mixed together? Yes yes we can, but the information is being erased and hard to find.
Below is from iMedpub journals I’ve linked the webpage below. This is just a small amount of information I could get to copy and paste. The PDF is locked up! Again WHY??
The removal can be performed with adsorption method using different adsorbents with high adsorption efficiency such as Nano adsorbents [13-23]. Zeolite is a type of crystalline material, containing silicon, aluminum and oxygen atoms. Zeolite can be used as catalyst as well as adsorbent material because of its high surface area and high chemical stability. By reducing the particle size, the diffusion path length decreases and hence active sites are readily accessible [22,23]. In chemistry, ZSM-5 is used to separate
Keywords: Water treatment; Precipitation; As(V); Arsenic removal; Sorption; Manganese
Abstract
Chloroform is one of the Volatile Organic Compounds (VOCs). Chloroform is the most commonly exist compound of the tri-halo methane (THM); THMs are Halogen-substituted single-carbon compounds with the general formula CHX3. The adsorption of chloroform (CHCl3) from aqueous solution was investigated in series of batch experiment. Two type of adsorbents of zero valent iron were prepared as NZVI and NZVI/ZSM via the reduction method by using sodium boro- hydride as reducing agent. The prepared adsorbent were characterized by the field emission scanning electron microscopy (FESEM), Fourier transform infrared spectroscopy (FTIR), Brunner –Emmett –Teller (BET), and X-ray powder diffraction (XRD). The BET surface areas of the adsorbents were 254.33, 41, and 116.52 m2/g for ZSM, NZVI, and NZVI/ZSM, respectively. The adsorption isotherm studies were conducted at various initial concentrations of CHCl3 (10-40) mg/L. Langmuir and Freundlich adsorption isotherm models were employed to fit the adsorption characteristic of the adsorbent. The removal efficiency of CHCl3 via the NZVI/ZSM from aqueous solution was found to be 19.92 mg/g, which conducted from the Langmuir slope. In addition the adsorption reached equilibrium within 90 min at optimum pH value of 9. It was found that Freundlich isotherm characterized the adsorption process better than that of Langmuir for NZVI/ZSM as indicated by higher correlation coefficient value. Hence, the adsorption of CHCl3 onto NZVI/ZSM can consider as a multilayer adsorption rather than a monolayer adsorption and the prepared adsorbents were found to be effect in the removal of CHCl3 from aqueous solution.
© Copyright iMedPub | This article is available from: http://www.imedpub.com/applied-science-research-and-review/ 1
Research Article
iMedPub Journals
http://www.imedpub.com
International Journal of Applied Science – Research and Review ISSN 2394-9988
molecules [24]. Its well- defined pore structure and adjustable acidity make them attractive in numerous reactions [25].
Utilization of zero-valent iron (e.g. NZVI) in the remediation application was started in the last decade [26-41]. Previously the researchers presented rapid de-halogenation of Carbon Tetrachloride (CT) and chloroform using iron particles. The aim of this study was the preparation and the characterization of the new modified adsorbents as (NZVI/ZSM) in the removal of chloroform from aqueous solution by the adsorption technique. The analysis of equilibrium data (adsorption) by model fittings is an important step to evaluate the suitable model for describing the adsorption process and the effected parameters such as contact time, initial concentration, temperature and the pH effect. Two isotherm models as Langmuir and Freuindlch were used to describe the equilibrium adsorption data for chloroform adsorption. On the other hand, the kinetic data was analyzed via the pseudo-fist- order and pseud-second – order models.
Materials and Methodology
Materials
Chloroform (CHCl3) was obtained from sigma Aldrich, Sodium borohydride (NaBH4) of purity 98.5% and iron (III) chloride hex hydrate (FeCl3∙6H2O) of purity 99.0% are obtained from Merck. Zeolite (ZSM-5) is purchased from Merck and the ZSM-5 with ratio of silica/Alumina (Si/Al =30) is supplied by Zeolyst International. Sodium hydroxide (NaOH) and hydrochloric acid (HCl) are obtained from Sigma-Aldrich, while analytical grade absolute ethanol and acetone are obtained from Merck and used directly without purification.
Adsorbent preparation and characterization
The ZSM-5, the commercial sample is subjected to a calcination treatment performed at 300oC for 1 h under static air environment [41], then, the impregnation of nano zero valent iron was carried out by the redaction method as sodium boro hydride reducing agent. On the other hand, the characterization of the prepared adsorbents were determined via the Fourier Transform Infra-Red (FTIR), N2- Physisorption was used to evaluate the porosity and the surface area and the Bruner–Emmett–Teller (BET) equation was employed to calculate the specific surface area. The X-ray diffraction (XRD) and the Field Emission Scanning Electron Microscopy (FESEM).
The adsorption studies and the related parameters
The adsorptions of the Chloroform (CHCl3) onto the adsorbents are conducted in batch mode. The required amount of adsorbent is added into the (CHCl3) solution (of certain concentration) in the 250 mL conical flasks. The flasks are placed on the orbital shaker operating at 150 rpm in room temperature (27 ± 2oC). The initial and final concentrations of CHCl3 are determined by using UV spectrometer (Genesys 10S
2018
Vol.5 No.3:14
UV-VIS
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