Results 21 to 30 of about 44,999 (295)

Development of Efficient and Selective Processes for the Synthesis of Commercially Important Chlorinated Phenols

Organics, 2021
para-Selective processes for the chlorination of phenols using sulphuryl chloride in the presence of various sulphur-containing catalysts have been successfully developed.
Keith Smith, Gamal A. El-Hiti
doaj   +1 more source

Research Status of Granulation Technology Process of Fine-Grade Rich Titanium Material

Kuangchan zonghe liyong, 2022
Titanium resources are enriched to extract titanium and remove impurities to obtain titanium-rich materials that meet the requirements of boiling chlorination furnace charge.
Xiaolei Hou, Feng Chen, Fuqiang Zheng, Shuai Wang, Lingzhi Yang, Yufeng Guo   +5 more
doaj   +1 more source

Effects of Chlorination on Soil Chemical Properties and Nitrogen Uptake for Tomato Drip Irrigated with Secondary Sewage Effluent

Journal of Integrative Agriculture, 2014
Chlorination is usually an economical method for treating clogging in drip emitters during sewage application. Appropriate assessment of the responses of soil and crop is essential for determining an optimal chlorination scheme.
Yan-feng LI, Jiu-sheng LI, Hang ZHANG
doaj   +1 more source

Comparison of disinfection by-products formed by preoxidation of sulfamethazine by K2FeO4 and O3 and the influence on cytotoxicity and biological toxicity

Frontiers in Chemistry, 2022
This study researched the formation of disinfection by-products (DBPs) in sulfamethazine (SMZ) chlorination after preoxidation by K2FeO4 and O3 and the influence of preoxidation on cytotoxicity and biological toxicity.
Siwen Li, Siwen Li, Yingzi Lin, Yingzi Lin, Gaoqi Wang, Suiyi Zhu, Suiyi Zhu, Gen Liu, Gen Liu, Chunyan Shi, Chunyan Shi, Lei Chen   +11 more
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Metformin chlorination byproducts in drinking water exhibit marked toxicities of a potential health concern

Environment International, 2021
Metformin (MET), a worldwide used drug for type 2 diabetes, has been found with the largest amount by weight among all drugs in aquatic environment, including the drinking water systems where this emerging micropollutant is inevitably transformed during ...
Runshuai Zhang, Yuanzhen He, Luxia Yao, Jie Chen, Shihao Zhu, Xinxin Rao, Peiyuan Tang, Jia You, Guoqiang Hua, Lu Zhang, Feng Ju, Lianfeng Wu   +11 more
doaj   +1 more source

CFDA-AM staining to assess the metabolic activity of Giardia duodenalis cysts inactivated by chlorine, boiling and ultraviolet irradiation

Journal of Water and Health, 2022
Giardia duodenalis is responsible for several waterborne gastrointestinal outbreaks worldwide. In addition to limitations presented by the main disinfection methods, assessing the inactivation efficiency of cysts after the treatment also poses challenges.
Maria Júlia Rodrigues da Cunha, Bárbara Luíza Souza Freitas, Natália de Melo Nasser Fava, Lyda Patricia Sabogal-Paz   +3 more
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High-speed C–H chlorination of ethylene carbonate using a new photoflow setup

Beilstein Journal of Organic Chemistry, 2022
We report the high-speed C–H chlorination of ethylene carbonate, which gives chloroethylene carbonate, a precursor to vinylene carbonate. A novel photoflow setup designed for a gas–liquid biphasic reaction turned out to be useful for the direct use of ...
Takayoshi Kasakado, Takahide Fukuyama, Tomohiro Nakagawa, Shinji Taguchi, Ilhyong Ryu   +4 more
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Kinetic studies of rubidium extraction from muscovite using chlorination roasting-water leaching process

工程科学学报, 2018
Rubidium is a very active and highly dispersed rare alkali metal, which has a wide range of applications in space technology, electronics, bioengineering, and materials science.
CHEN Li-jie, HUANG Lin-qing, YUAN Lu-cheng, TIAN Lei   +3 more
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Formation of chlorinated hydrocarbons by water chlorination

Chemosphere, 1994
Abstract Model experiments were carried out on the reaction behaviour of benzene, phenol and phenylalanine during chlorination with NaOCI in aqueous solution. The influence of the pH-value, concentration, reaction time and UV-light were also determined.
Lahaniatis, E. S., Bergheim, W., Kotzias, D., Pilidis, G.   +3 more
openaire   +3 more sources

Optimal design and management of chlorination in drinking water networks: a multi-objective approach using Genetic Algorithms and the Pareto optimality concept

Applied Water Science, 2017
This paper presents the development of multi-objective Genetic Algorithms to optimize chlorination design and management in drinking water networks (DWN).
Issam Nouiri
doaj   +1 more source