Results 11 to 20 of about 602 (238)

Rapid assessment of soil accessible Cr(Ⅵ) in the field by a portable RGB color sensor

Ecotoxicology and Environmental Safety
Field rapid determination of soil accessible Cr(Ⅵ) is of great significance for on-site assessment and decision-making about the health risks of contaminated sites.
Linyu Guo, Yangxiaoxiao Shi, Ke-wei Li, Jing Yan, Zhi-neng Hong, Jun Jiang, Ren-kou Xu   +6 more
doaj   +2 more sources

Research of the influencing factors of the immobilized redox mediators accelerating Cr(Ⅵ) reduction by Escherichia coli BL21

Journal of Hebei University of Science and Technology, 2017
In order to study the influencing factors of non-dissolved redox mediators on Cr (Ⅵ) bioreduction, the accelerating effect of non-dissolved redox mediators immobilized by cellulose acetate (CA) on the reduction of Cr(Ⅵ) by Escherichia coli BL21 is ...
Jiapeng PING, Zhifang XU, Yankai GUO, Jianbo GUO, Jing LIAN   +4 more
doaj   +2 more sources

In situ Adsorption Technology for Remediation of Cr(Ⅵ) Contaminated Soil [PDF]

Yankuang ceshi
The commonly used remediation technologies for Cr(Ⅵ) contaminated soil, such as guest soil, reduction, solidification, microbiology, etc., have drawbacks such as high cost, slow efficiency, and secondary oxidation of Cr(Ⅵ).
Zhaoxin ZHANG, Ningning CAO, Linji LI, Suqing LIU, Jiahao LI, Cui CAO, Heping LI, Kai ZHANG, Yongli SHI   +8 more
doaj   +2 more sources

The coordination complex formed by oxalic acid and chromate and the mechanism for enhanced photoreduction of Cr(Ⅵ) under visible-light irradiation

能源环境保护
Oxalic acid, which mainly originates from root exudation and plant residue decomposition, is one of the most widely existiug carboxylic acids, and has a dramatic impact on the reduction of chromate in natural waters.
GUAN Yingying, WANG Hao, GE Xiaoming, DENG Likai, DENG Bin, MU Yi*, ZOU Jianping*   +6 more
doaj   +2 more sources

Evidence for chromium crosses blood brain barrier from the hypothalamus in chromium mice model

Ecotoxicology and Environmental Safety
It has been shown that exposure to hexavalent Chromium, Cr (Ⅵ), via nasal cavity can have neurotoxicological effects and induces behavioral impairment due to the fact that blood brain barrier (BBB) does not cover olfactory bulb.
Jiuyang Ding, Baofei Sun, Yingdong Gao, Juan Zheng, Changyou Liu, Jian Huang, Nannan Jia, Xianglin Pei, Xueyu Jiang, Shanshan Hu, Bing Xia, Yunle Meng, Zhuihui Dai, Xiaolan Qi, Jiawen Wang   +14 more
doaj   +2 more sources

Adsorption of Cr(Ⅵ) polluted water by Fe₃O₄@SiO₂-APTMS nanocomposites prepared in the presence of ultrasonic irradiation for sustainable water resources utilization. [PDF]

Ultrason Sonochem, 2023
The research on developing a purification technology for Cr(Ⅵ) polluted water with high efficiency and the low energy consumption is crucial for achieving several Sustainable Development Goals (SDGs).
Zhao D, Liu Y, Wu C.
europepmc   +2 more sources

The characterization of a novel magnetic biochar derived from sulfate-reducing sludge and its application for aqueous Cr(Ⅵ) removal through synergistic effects of adsorption and chemical reduction

, 2022
Removal of heavy metals from the aqueous environment via physiochemical adsorption always remains a great challenge owing to the slow kinetics and low removal capacity for the conventional adsorbent.
Yan, Xueqian, Liu, Yu, Ju, Xiaoyu, Chen, Yongjun, Qian, Jin, Fu, Xiaoying, Arif, Muhammad, Ma, Rui, Pu, Xunchi   +8 more
core   +1 more source

Effect of different types of activated carbon on the adsorption- reduction of Cr(Ⅵ) by mZVI/activated carbon

Gongye shui chuli
Based on the excellent adsorption performance of activated carbon(AC) and its characteristic of forming a microelectrolysis system with micro zero-valent iron(mZVI), various mZVI/ACs composite materials were synthesized by ball milling(BM) method, and ...
WANG Wenhao, CHENG Yexing, WANG Yuyin, HOU Tingting, WU Xiaofeng, LI Yucai   +5 more
doaj   +1 more source

Bioaccumulation kinetics of hexavalent chromium in the tissues of Exopalaemon carinicauda and Portunus trituberculatus

浙江大学学报. 农业与生命科学版, 2015
Chromium (Cr) is considered to be one of the major heavy metal pollutants in marine environment, and in existence of two valence states: hexavalent chromium [Cr (Ⅵ) ] and trivalent chromium [Cr (Ⅲ) ].
Li Lei, Shen Xinqiang, Li Chao, Wang Yunlong, Jiang Mei, Wu Qingyuan, Niu Junxiang, Xu Gaopeng   +7 more
doaj   +1 more source

Studies on Separation and Determination of Cr(Ⅲ) and Cr(Ⅵ) [PDF]

, 2005
摘要论文研究了环境与生命物质中几种令人关注的物质：(1)工业废水中的Cr(Ⅲ)和Cr(Ⅵ)，(2)有机物中的氯和硫，(3)血清中的葡萄糖，的分离与检测的新方法。工业废水中Cr(Ⅲ)和Cr(Ⅵ)的分离与检测是本论文的主要部分。本论文共分四章。第一章综述了Cr(Ⅲ)和Cr(Ⅵ)的分离和检测的意义、方法和应用的文献调研，评述现有Cr(Ⅲ)和Cr(Ⅵ)分离检测的方法，提出本文研究分离检测Cr(III)和Cr(VI)的技术路线和创新意义。第二章分为三节：第一节建立了化学氧化－离子色谱法检测Cr(Ⅲ)和Cr(Ⅵ ...
栾艺华
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