The Prepartion of Co@C3N4 Catalyst and Applications on Synthesis of Quinolines from 2-Aminobenzyl Alcohols with Ketones

2021 ◽  
Author(s):  
Fei Cao ◽  
Anruo Mao ◽  
Bobin Yang ◽  
Chenyang Ge ◽  
Dawei Wang

The unsymmetrical diphenylphosphino-pyridinyl-triazole ligand was synthesized and characterized through IR, NMR and MS and the corresponding earth-abundant metal complex (cobalt) was prepared. Considering energy consumption and environmental friendliness, it is...

Author(s):  
Ziqiang Wang ◽  
Wenjing Tian ◽  
Zechuan Dai ◽  
Tongqing Zhou ◽  
Qiqi Mao ◽  
...  

Electrochemical ammonia synthesis is one of sustainable technologies to artificially synthesize ammonia because of its reduced energy consumption and environmental friendliness. Nevertheless, low ammonia yield and poor selectivity of nitrogen...


2021 ◽  
Author(s):  
Hideki Ohtsu ◽  
Mikio Takaoka ◽  
Yosuke Tezuka ◽  
Kiyoshi Tsuge ◽  
Koji Tanaka

The first NAD+-type earth-abundant metal complex [Zn(pbn)2(H2O)](ClO4)2 (1) was found to exhibit the photo-induced oxidizing ability for various primary and secondary alcohols to convert the corresponding aldehyde and ketone compounds....


RSC Advances ◽  
2019 ◽  
Vol 9 (10) ◽  
pp. 5701-5710 ◽  
Author(s):  
Abdul Qayoom Mugheri ◽  
Aneela Tahira ◽  
Umair Aftab ◽  
Muhammad Ishaq Abro ◽  
Saleem Raza Chaudhry ◽  
...  

Due to the increasing energy consumption, designing efficient electrocatalysts for electrochemical water splitting is highly demanded.


2018 ◽  
Vol 36 (5) ◽  
pp. 575-596
Author(s):  
Jonas Hahn ◽  
Jens Hirsch ◽  
Sven Bienert

PurposeThe purpose of this paper is to investigate the role of distinct types of heating technology and their price impact in German residential real estate markets, considering a wide range of other housing market determinants. The authors aim to test and to verify specifically, whether the obsolescence of heating technology leads to a significant price discount and whether higher technological standards (and environmental friendliness) come with a price premium on the market.Design/methodology/approachThe authors create housing market models for rental and sales segments by constructing generalized additive models with explicit multi-layered spatial components. To elaborate a profound and contemporary answer using these models, the authors perform large-sample regression analyses based on more than 400,000 observations covering German residential properties in 2015.FindingsFirst and foremost, the heating system indeed shows significant explanatory importance for measuring housing rents and purchasing price. Second, the authors find that it makes a difference whether clean “green” technologies are implemented or whether “brown” systems with obsolete technology or fossil energy sources is on hand. Ultimately, the authors conclude that while low energy consumption indeed comes with a price premium, this needs to be interpreted together with the property’s heating type, as housing markets seem to outweigh the “green premium” by “brown discounts” if low energy consumption figures are powered by a certain type of heating technology system.Research limitations/implicationsAside of a possible omitted variable bias, the main research limitation is constituted by the integration of asking prices in the analysis, as actual transaction prices are not systematically transparent on national level in Germany. Limitations are discussed at the end of the paper.Practical implicationsThis work supports investors who face the challenge of making environmental- and energy-related decisions as well as appraisers who deliver financial fundamentals for such. Third, the paper supports both asset managers as well as investment strategists in argumentation pro-environmental investments beyond all ecological necessity.Social implicationsThis paper contributes to the current discussion on climate change and the eclectic role of real estate in this context. The authors deliver evidence on pricing effects as a measure of socioeconomic acceptance of progressive heating technology and environmental friendliness as an imperative of twenty-first century societies.Originality/valueThis is the first study on “green premiums” or “brown discounts” that includes heating technology as a potential and distinct driver of value and rents. It is a contemporary contribution and delivers original information on the quantitative impact of contemporary and anachronistic technology in heating to researchers as well as investors and appraisers.


2014 ◽  
Vol 905 ◽  
pp. 199-202
Author(s):  
Yu Ri Gong ◽  
Sung Ho Tae ◽  
Su Won Song ◽  
Seung Jun Roh

The purpose of this study is to assess environmental friendliness of passive apartment house based on major building materials in Korea. To accomplish this, stage-wise quantity information of life cycle and energy consumption data were established on major materials through theoretical consideration on life cycle assessment. In addition, basic unit database from Korean LCI DB was utilized to assess and analyze characterization value of global warming assessment. As a result, the value of global warming was smaller in passive apartment house in comparison to general apartment house. As the effect of building materials in construction stage was analyzed to be greater than the effect of energy consumption in operation stage, development of diverse building materials taking environmental impact into account is deemed necessary.


Author(s):  
Vasyl Hradovyi

Introduction. The problem of energy saving becomes more and more relevant in the conditions of organizational and economic relations transformation in agriculture. It is connected with intensive technologies used in the agriculture, with the cost and availability of different energy types. It affects the cost of production, its environmental friendliness and the achievement of sustainable development goals. Methods. The article talks about theoretical provisions related to the application of agro-technological operations in agriculture, including their economic and environmental components. Monographic, abstract and logical methods, as well as methods of comparison, generalization, and analysis, are used. Results. It is established that agriculture, unlike other branches of the economy, is not only a consumer of energy, but also generates it as a finished product. This uses anthropotechnogenic energy, as well as solar and soil energy. It is emphasized that the issue of achieving positive energy balance in agriculture is relevant today and needs to be solved by reducing energy consumption from non-renewable sources. It is determined that energy saving in agriculture involves the application of legislative, organizational, scientific, productional, technical and economic measures. As a result, the balanced energy consumption, rational energy use, optimization of energy saving management through organizational and economic mechanism and reducing energy consumption should occur. It is proved that the directions of energy saving in the agricultural sphere can be determined by the processes of its circulation and manifest itself in the form of providing access to energy resources, creating competitive conditions in the energy supply market, diversifying energy resources, increasing the efficiency of technical means. Considering the tools of energy saving achievement, it is determined that its main areas are: management, energy, technology, technical and selectional measures. Together their action is aimed at reducing energy consumption of fossil origin and using the solar and soil energy optimally. Discussion. The results of the study serve as a theoretical basis for further research in the energy saving field of agriculture, which can be implemented to substantiate comprehensive actions aimed at reducing energy consumption, as well as to develop an organizational and economical mechanism capable of achieving the highest level of energy saving. Keywords: energy saving, energy efficiency, agriculture, energy balance, directions of energy saving.


2013 ◽  
Vol 750-752 ◽  
pp. 1555-1559
Author(s):  
Jun He ◽  
Li Fen Cao ◽  
Qing Qing Yao ◽  
Peng Fei Xu ◽  
Ning Yu ◽  
...  

Foam separation method was utilized to purify crude tea saponin. The factors influencing the purification were studied, including the effects of original concentration, airflow rate and loading liquid volume. By systematic experiments, the optimal purification technology was determined. Foam separation method showed great advantages such as: low solvent and energy consumption, convenience, environmental friendliness. This work provides useful information for tea saponin purification development.


2021 ◽  
Vol 887 ◽  
pp. 516-520
Author(s):  
A.L. Popov ◽  
V.V. Strokova ◽  
A.E. Mestnikov

The modern construction industry is more and more inclined to use composite binders instead of traditional binders. Composite binder is characterized by increased efficiency and environmental friendliness, improved performance characteristics at a reduced cost and energy consumption. Based on this, studies are needed to determine the possibility of using quartz-feldspar sand as a component of composite binders.


Sign in / Sign up

Export Citation Format

Share Document