نتایج جستجو برای: byproducts

تعداد نتایج: 3204  

Journal: :Journal of materials chemistry. A, Materials for energy and sustainability 2021

V2O5 undergoes two-phase reaction during the 1st cycle, accompanied by formation and decomposition of byproducts.

The present study aimed to determine the concentrations of several disinfection byproducts (DBPs), including trihalomethanes (THMs), haloacetic acids (HAAs), and haloacetonitriles (HANs), in the public and private swimming pools in Sanandaj, Iran (n=16). Correlations between DBP levels with water quality parameters (free chlorine, pH, total organic carbon, temperature, number of swimme...

We have introduced a selective synthesis of tertiary amines using alkyl halide and ammonium salts as the amine sources in water. This green process has outstanding superiorities, such as being eco-friendly, possessing ammonium salts, and using water as a green solvent in the absence of organic ligands or catalysts. It is worth mentioning that the presence of t-Butyl alcohol and potassi...

ژورنال: مواد پرانرژی 2017

In this study, a novel method to synthesis of 1,3,5,7-tetraacetyl octahydro-1,3,5,7-tetraazocine or 1,3,5,7-tetraacetyl-1,3,5,7-tetraazacyclooctane (TAT) was used through acetolysis of 3,7-diacetyl-1,3,5,7-tetraazabicyclo-[3.3.1]nonane (DAPT) with acetic anhydride in the presence of sodium acetate as catalyst. Optimized reaction conditions were obtained by changing temperature, time and startin...

Journal: :Occupational and environmental medicine 2000
M J Nieuwenhuijsen M B Toledano N E Eaton J Fawell P Elliott

OBJECTIVES AND METHODS Chlorination has been the major disinfectant process for domestic drinking water for many years. Concern about the potential health effects of the byproducts of chlorination has prompted the investigation of the possible association between exposure to these byproducts and incidence of human cancer, and more recently, with adverse reproductive outcomes. This paper evaluat...

2010
Hunho Kim

Title of Document: USE OF INORGANIC BY-PRODUCT AMENDED COMPOST/MANURE TO SEQUESTER METALS AND PHOSPHORUS FROM DIFFUSE SOURCE POLLUTION Hunho Kim, Doctor of Philosophy, 2010 Directed By: Professor, Allen P. Davis, Department of Civil and Environmental Engineering. Research Scientist, Rufus L. Chaney, ARS, US Department of Agriculture. Heavy metals and nutrients released from diffuse sources by u...

Journal: :Journal of environmental monitoring : JEM 2012
Wenbiao Jin Jin Zhou Baiyang Chen Xiaoshan Zhu Chongwei Cui

It is an emerging concern that a series of disinfection byproducts (DBPs) produced in wastewater effluent have adversely impacted the downstream aquatic system and drinking water resources. The occurrence, fate, and transport of DBPs on receiving waterbodies, however, are currently not well-documented. To fill the knowledge gap, this study simulated the effects of volatilization and adsorption ...

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