نتایج جستجو برای: green chemistry technology

تعداد نتایج: 699802  

Journal: :Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences 2000

The technology of phytoremediation is cost effective and ecologically friendly in which plant utilizes its natural abilities to restore environment. In nature there are a number of plants existing with innate mechanisms for removing heavy metals from soil, air and water as a survival strategy.  Among several subsets of phytoremediation, the widely studied strategies are (a) phytoextraction (b) ...

2010
M. E. Erupe A. Markovich

Atmospheric Chemistry and Physics Discussions This discussion paper is/has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP if available. Abstract We report laboratory observations of H 2 SO 4 and H 2 O homogeneous nucleation made under atmospherically relevant conditions ([H 2 SO 4 ] of 10 6 – 10 7 cm −3 and 287 K)....

Mayuri M. Naik was born in 1988 in Curchorem, Goa (India). She completed her B.Sc. from Government College of arts, science and commerce, Quepem-Goa in 2008. She received her M.Sc. degree in organic chemistry from Goa University in 2010. Presently she is proceeding with Ph.D. under the supervision of Prof. S. G. Tilve and Prof. V. P. Kamat in department of chemistry, Goa University, Goa. Her re...

Journal: :iranian journal of public health 0
aini syuhaida abdul wahab sharifah norkhadijah syed ismail sarva man­gala praveena suriyani awang

background: neptunia oleracea or ‘water mimosa’ has a phytoremediation ability which is rarely being assessed. this plant also can be eaten as raw or cooked and but brought such concern on its safety for human consumption. the objective of this study was to assess the phytoremediation ability of water mimosa and its safety for human consumption. methods: water mimosa was treated with pb, cu and...

Mojtaba Baghernejad Saeed Khodabakhshi,

Silica gel has been used for synthesis of biscoumarin derivatives starting from 4-hydroxycoumarin and aryl aldehydes. The reaction conditions are completely in agreement with green chemistry principles including sing water as media and a recyclable and safe catalyst. This method is also simple and inexpensive and leads to high yield of products in short reaction times.

Mojtaba Baghernejad Saeed Khodabakhshi,

Silica gel has been used for synthesis of biscoumarin derivatives starting from 4-hydroxycoumarin and aryl aldehydes. The reaction conditions are completely in agreement with green chemistry principles including sing water as media and a recyclable and safe catalyst. This method is also simple and inexpensive and leads to high yield of products in short reaction times.

2015
Ravinder Singh

Chemistry has a central role in science, and synthesis has a central role in chemistry. The synthetic chemists should focus their efforts to merge it with other fields to produce more interdisciplinary science. Chemical synthesis has now reached an extraordinary level of sophistication, but there is vast room for improvement. The 3Rs (reduction, recycling and reuse) of resources are particularl...

2017
Neha Gupta

The term green chemistry is defined as “the invention, design and application of chemical products and processes to reduce or to eliminate the use and generation of hazardous substances”. The major applications of green chemistry principles and practice renders control, regulation, and remediation, hence resultant environmental benefit can be expressed in terms of economic impact .It also invol...

Mayuri M. Naik was born in 1988 in Curchorem, Goa (India). She completed her B.Sc. from Government College of arts, science and commerce, Quepem-Goa in 2008. She received her M.Sc. degree in organic chemistry from Goa University in 2010. Presently she is proceeding with Ph.D. under the supervision of Prof. S. G. Tilve and Prof. V. P. Kamat in department of chemistry, Goa University, Goa. Her re...

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