scholarly journals Process Development of Shale Gas Assisted Lignin and Biomass Reforming through Novel Reaction Pathway and Catalyst Design To Produce Hydrogen Rich Syngas for Fuels and Value Added Chemicals

2020 ◽  
Author(s):  
Amoolya D Lalsare
Keyword(s):  
Shale Gas ◽  
Process Development ◽  
Reaction Pathway ◽  
Value Added ◽  
Catalyst Design ◽  
Biomass Reforming

An insight into an electro-catalytic reactor concept for high value-added production from crude glycerol: Optimization, electrode passivation, product distribution, and reaction pathway identification

2021 ◽  
Vol 172 ◽  
pp. 130-144
Author(s):  
Ali Khosravanipour Mostafazadeh ◽  
Maria Samantha De La Torre ◽  
Yessika Padilla ◽  
Patrick Drogui ◽  
Satinder Kaur Brar ◽  
...  
Keyword(s):  
Crude Glycerol ◽  
Reaction Pathway ◽  
Value Added ◽  
Product Distribution ◽  
Catalytic Reactor ◽  
Electrode Passivation ◽  
Insight Into

scholarly journals Quasi-graphitic carbon shell-induced Cu confinement promotes electrocatalytic CO2 reduction toward C2+ products

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Ji-Yong Kim ◽  
Deokgi Hong ◽  
Jae-Chan Lee ◽  
Hyoung Gyun Kim ◽  
Sungwoo Lee ◽  
...  
Keyword(s):  
High Efficiency ◽  
Co2 Reduction ◽  
Value Added ◽  
Material Design ◽  
Catalyst System ◽  
Critical Issue ◽  
Reduction Reaction ◽  
Catalyst Design ◽  
Design Strategies ◽  
Faradaic Efficiency

AbstractFor steady electroconversion to value-added chemical products with high efficiency, electrocatalyst reconstruction during electrochemical reactions is a critical issue in catalyst design strategies. Here, we report a reconstruction-immunized catalyst system in which Cu nanoparticles are protected by a quasi-graphitic C shell. This C shell epitaxially grew on Cu with quasi-graphitic bonding via a gas–solid reaction governed by the CO (g) - CO2 (g) - C (s) equilibrium. The quasi-graphitic C shell-coated Cu was stable during the CO2 reduction reaction and provided a platform for rational material design. C2+ product selectivity could be additionally improved by doping p-block elements. These elements modulated the electronic structure of the Cu surface and its binding properties, which can affect the intermediate binding and CO dimerization barrier. B-modified Cu attained a 68.1% Faradaic efficiency for C2H4 at −0.55 V (vs RHE) and a C2H4 cathodic power conversion efficiency of 44.0%. In the case of N-modified Cu, an improved C2+ selectivity of 82.3% at a partial current density of 329.2 mA/cm2 was acquired. Quasi-graphitic C shells, which enable surface stabilization and inner element doping, can realize stable CO2-to-C2H4 conversion over 180 h and allow practical application of electrocatalysts for renewable energy conversion.

scholarly journals Development of New Product/Process Development Procedure for SMEs

Organizacija ◽  
2010 ◽  
Vol 43 (2) ◽  
pp. 76-86 ◽  
Author(s):  
Mateja Šenk ◽  
Peter Metlikovič ◽  
Matjaž Maletič ◽  
Boštjan Gomišček
Keyword(s):  
Automotive Industry ◽  
Process Development ◽  
Cost Management ◽  
Value Added ◽  
New Product ◽  
Quality Planning ◽  
Design For Six Sigma ◽  
Plastic Processing ◽  
New Process ◽  
Development Procedure

Development of New Product/Process Development Procedure for SMEsThe result of our research is a developed and implemented set of activities for new process or product development (NPD procedure) for SMEs environment in the plastic processing industry, which enables the production of products and services with a high value added.The developed NPD procedure consists of five consecutive and overlapping steps: attracting orders, designing a project, developing a product, developing a process and zero production series. Each distinct step is further divided into sub-activities supported by adequate methods and managed in an information system. Investigated and included were three different methodologies use for NPD procedure in the automotive industry such as Advanced Product Quality Planning (APQP), Design for Six Sigma (DFSS) and Stage/Gate methodology.The results presented in the paper show that the developed NPD procedure significantly improved NPD in terms of cost management and time-effectiveness.

scholarly journals Platinum–copper single atom alloy catalysts with high performance towards glycerol hydrogenolysis

2019 ◽  
Vol 10 (1) ◽  
Author(s):  
Xi Zhang ◽  
Guoqing Cui ◽  
Haisong Feng ◽  
Lifang Chen ◽  
Hui Wang ◽  
...  
Keyword(s):  
Active Sites ◽  
High Performance ◽  
Reaction Pathway ◽  
Theoretical Calculations ◽  
Experimental Studies ◽  
Value Added ◽  
Catalytic Performance ◽  
Single Atom ◽  
Glycerol Hydrogenolysis ◽  
Single Atom Alloy

AbstractSelective hydrogenolysis of biomass-derived glycerol to propanediol is an important reaction to produce high value-added chemicals but remains a big challenge. Herein we report a PtCu single atom alloy (SAA) catalyst with single Pt atom dispersed on Cu nanoclusters, which exhibits dramatically boosted catalytic performance (yield: 98.8%) towards glycerol hydrogenolysis to 1,2-propanediol. Remarkably, the turnover frequency reaches up to 2.6 × 103 molglycerol·molPtCu–SAA−1·h−1, which is to our knowledge the largest value among reported heterogeneous metal catalysts. Both in situ experimental studies and theoretical calculations verify interface sites of PtCu–SAA serve as intrinsic active sites, in which the single Pt atom facilitates the breakage of central C–H bond whilst the terminal C–O bond undergoes dissociation adsorption on adjacent Cu atom. This interfacial synergistic catalysis based on PtCu–SAA changes the reaction pathway with a decreased activation energy, which can be extended to other noble metal alloy systems.

scholarly journals Features of the organization of agroclusters in the structure of land management projects

2021 ◽  
Vol 227 ◽  
pp. 01003
Author(s):  
Abdugani Mukumov ◽  
Komil Xujakeldiev ◽  
Fayzullo Xamidov ◽  
Sharafatdin Narbaev ◽  
Khudoyberdi Abdivaitov
Keyword(s):  
Land Management ◽  
Agricultural Production ◽  
Agricultural Sector ◽  
Process Development ◽  
Geographical Location ◽  
Value Added ◽  
Developed Countries ◽  
Land Resources ◽  
Organization Of Production ◽  
Scientific Achievements

The features of the organization of production units agroclusters, which are one of the components of land management projects which aimed at organizing the rational and efficient use of available land resources are described in this article. The term “cluster” is a French word that means “bundle”, “collection” in Uzbek. It can be taken as “the geographical proximity of enterprises and institutions cooperating with each other in a particular field”. The development of value-added production in the agricultural sector and the development of this market requires ensuring product quality standards, full use of scientific and scientific achievements in the processing process, development of existing research institutes and using the potential of geographical location. In our view, the solution of this problem can be found in the agricultural production system through the organization of cluster production, which is used by developed countries in America, Europe and Asia.

scholarly journals Methanol Synthesis from CO2: A Review of the Latest Developments in Heterogeneous Catalysis

Materials ◽  
2019 ◽  
Vol 12 (23) ◽  
pp. 3902 ◽  
Author(s):  
R. Guil-López ◽  
N. Mota ◽  
J. Llorente ◽  
E. Millán ◽  
B. Pawelec ◽  
...  
Keyword(s):  
Methanol Synthesis ◽  
Heterogeneous Catalysts ◽  
Fossil Fuels ◽  
Value Added ◽  
Active Phase ◽  
Catalyst Design ◽  
Transportation Fuel ◽  
Catalytic Systems ◽  
Effective Utilization ◽  
Direct Hydrogenation

Technological approaches which enable the effective utilization of CO2 for manufacturing value-added chemicals and fuels can help to solve environmental problems derived from large CO2 emissions associated with the use of fossil fuels. One of the most interesting products that can be synthesized from CO2 is methanol, since it is an industrial commodity used in several chemical products and also an efficient transportation fuel. In this review, we highlight the recent advances in the development of heterogeneous catalysts and processes for the direct hydrogenation of CO2 to methanol. The main efforts focused on the improvement of conventional Cu/ZnO based catalysts and the development of new catalytic systems targeting the specific needs for CO2 to methanol reactions (unfavourable thermodynamics, production of high amount of water and high methanol selectivity under high or full CO2 conversion). Major studies on the development of active and selective catalysts based on thermodynamics, mechanisms, nano-synthesis and catalyst design (active phase, promoters, supports, etc.) are highlighted in this review. Finally, a summary concerning future perspectives on the research and development of efficient heterogeneous catalysts for methanol synthesis from CO2 will be presented.

Cyclic redox scheme towards shale gas reforming: a review and perspectives

2020 ◽  
Vol 5 (12) ◽  
pp. 2204-2220
Author(s):  
Lang Qin ◽  
Zhuo Cheng ◽  
Deven Baser ◽  
Tyler Goldenbaum ◽  
Jonathan A. Fan ◽  
...  
Keyword(s):  
Shale Gas ◽  
Value Added

Alkanes are potential precursors to many value-added chemicals such as olefins and other petrochemicals.

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