Results 31 to 40 of about 210,511 (271)
A Guide to the Hexavalent Chromium in Household Dust Studies [PDF]
, 2009 This document prepared by The New Jersey Department of Environmental Protection (NJDEP) explains in plain language the results and purpose of the Hexavalent Chromium in Household Dust Studies.Purpose: To explain the risk posed by Hexavalent Chromium in ...
core +1 more source
Hexavalent Chromium Removal from Groundwater—A Low-Tech Approach [PDF]
, 2020 Chromium occurs in nature mainly in its trivalent or hexavalent form. Hexavalent chromium Cr(VI) is particularly toxic to humans, animals, and plants. The extensive pollution of groundwaters with Cr(VI) necessitates the complete understanding of natural ...
Lefteris +6 more
core +1 more source
Remediation of chromium contaminated soil by microbial electrochemical technology
International Journal of Electrochemical Science, 2020 Soil is an irreplaceable resource for human survival and development. With the development of the heavy metal industry, heavy metal pollution of soil has become a serious problem that human beings are facing, especially soil pollution caused by ...
Guan-Xi Li +5 more
doaj +1 more source
Removing of Toxic Cr (VI) Ions from wastewater using different adsorbents. [PDF]
Journal of Engineering Research - Egypt, 2018 The removal of hexavalent chromium from wastewater on the Na-bentonite and activated carbon has been studied under static conditions. Experiments were carried out as a function of solution pH, dosage of Na-bentonite and activated carbon contact time ...
A. Ahmed +2 more
doaj +1 more source
Acta Chimica Slovenica, 2021 Lentinula edodes was investigated as a biosorbent for hexavalent chromium biosorption in this study. To examine the optimum conditions of biosorption, the pH of the hexavalent chromium solution, biosorbent dosage, temperature, contact time, and initial ...
Aslı Göçenoğlu Sarıkaya
doaj +1 more source
Materiales de Construccion, 2005 In Community legislation, substances containing hexavalent chromium are classified as carcinogenic, mutagenic and sensitizing. In cement, hexavalent chromium intensifies sensitization and may set off severe allergic reactions in workers in routine ...
J. L. Valverde +5 more
doaj +1 more source
Spectroscopic measurement of trivalent and hexavalent chromium [PDF]
, 2016 Human health and considerate approach to the environment are very topical nowadays. Both are inseparably related to the waste of leather industry management and their efficient processing.
Karel Kolomaznik +3 more
core +1 more source
Effects of trivalent and hexavalent dietary chromium on blood biochemical profile in Japanese quails [PDF]
Bulgarian Journal of Veterinary Medicine, 2018 Trivalent chromium is an essential trace element for humans and animals and it is the final product of hexavalent chromium reduction in the cell. It is an integral part of the glucose-tolerance factor, which increases the systemic impact of insulin.
A. Alijagic +3 more
doaj +1 more source
Adsorption of hexavalent chromium on dunite
Water Science and Technology, 2011 The paper presents and discusses the effect of various physicochemical parameters (e.g. pH, ionic strength, Cr(VI) initial concentration, amount of the adsorbent, temperature and contact time between metal ion and adsorbent) on the adsorption efficiency of Cr(VI) on dunite in aqueous solutions under atmospheric conditions.
Demetriou, Antri +3 more
openaire +3 more sources
Fate of hexavalent chromium reduction by using Halomonas maridiana EA1
Environmental ChallengesThe present study is focused on the reduction of hexavalent chromium by using the isolated bacterium Halomonas maridiana EA1. H. maridiana EA1 has shown a > 90 % reduction of 100 ppm hexavalent chromium on day 1 and a > 70 % reduction of 1200 ppm ...
Sadhana Singh Sagar +7 more
doaj +1 more source