Pyrolytic product used as an alternative binder rejuvenator

2016 ◽  
Author(s):  
Lidija Avsenik ◽  
Marjan Tušar
Keyword(s):  
Pyrolytic Product

Effects of co-pyrolysis of heavy metal contaminated biomass with magnesium carbonate on heavy metal deportment and pyrolytic product properties

Fuel ◽  
2021 ◽  
Vol 294 ◽  
pp. 120545
Author(s):  
Jing He ◽  
Vladimir Strezov ◽  
Xiaoteng Zhou ◽  
Ravinder Kumar ◽  
Haftom Weldekidan ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Magnesium Carbonate ◽  
Pyrolytic Product

Collaborative Study of a Gas-Liquid Chromatographic Method for the Determination of Water-Soluble Menadione (Vitamin K3) in Feed Premixes

1973 ◽  
Vol 56 (5) ◽  
pp. 1277-1280
Author(s):  
Victor W Winkler
Keyword(s):  
Collaborative Study ◽  
Internal Standard ◽  
Water Soluble ◽  
Vitamin K3 ◽  
Menadione Sodium Bisulfite ◽  
Liquid Chromatographic Method ◽  
Coefficients Of Variations ◽  
Liquid Chromatographic ◽  
Pyrolytic Product

Abstract A GLC method for the determination of menadione bisulfite addition products in feed premixes was tested by 8 laboratories. Menadione sodium bisulfite complex (trihydrate) is extracted with methanol containing 1 mg diethyl phthalate/ml as internal standard and injected directly onto a 2% OV-17 (silylated) GLC column. The principle of the method is on-column pyrolysis of menadione bisulfite and subsequent GLC analysis of the pyrolytic product, menadione. The method is simple, rapid, and free from interference. The average recovery values for 4 samples at 16.0, 14.4, 4.0, and 3.6 g/lb ranged from 95.8 to 100.4% with coefficients of variations between 5.5 and 6.5%. The method has been adopted as interim official first action.

Naphthalene and Alkyl Naphthalene from Catalytic Fast Pyrolysis of Biomass Over ZSM-5 Aggregates

2020 ◽  
Vol 14 (2) ◽  
pp. 195-202 ◽  
Author(s):  
Fanjun Meng ◽  
Qiaoyan Shang ◽  
Dongliang Hua ◽  
Lei Chen ◽  
Laizhi Sun ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Fast Pyrolysis ◽  
Product Distribution ◽  
Gas Chromatography Mass Spectrometry ◽  
Pyrolysis Gas ◽  
Pyrolysis Gas Chromatography ◽  
Organic Templates ◽  
Pyrolysis Of Biomass ◽  
Pyrolytic Product

Seed-induced synthesis of ZSM-5 aggregates was carried out without organic templates. The prepared ZSM-5 aggregates were used upgrading polar sawdust-derived pyrolytic vapors for the selective production of naphthalene and alkyl naphthalene. Pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) experiments were conducted to analyze the pyrolytic product distribution and evaluate the catalyst performance. Due to the mesopores and proper acidities of ZSM-5 aggregates, the yield of naphthalene and methylnaphthalene over ZSM-5 aggregates were 36.0 and 123.7 mg/g, which were 2.7 and 2.6 times of those respectively over the commercial ZSM-5. The total selectivities of naphthalene and alkyl naphthalene could reach 61.56%.

ChemInform Abstract: CANNABIS PART 8, PYROLYSIS OF CANNABIDIOL, STRUCTURE ELUCIDATION OF THE MAIN PYROLYTIC PRODUCT

1973 ◽  
Vol 4 (49) ◽  
pp. no-no
Author(s):  
F. J. E. M. KUEPPERS ◽  
R. J. J. CH. LOUSBERG ◽  
C. A. L. BERCHT ◽  
C. A. SALEMINK ◽  
J. K. TERLOUW ◽  
...  
Keyword(s):  
Structure Elucidation ◽  
Pyrolytic Product

Development of Conductive Ceramic Composites by Preceramic Polymer

2007 ◽  
Vol 124-126 ◽  
pp. 331-334
Author(s):  
Beom Seob Kim ◽  
Deug Joong Kim
Keyword(s):  
Room Temperature ◽  
Ceramic Composites ◽  
Preceramic Polymer ◽  
Conductive Material ◽  
A Value ◽  
Preheat Treatment ◽  
N2 Atmosphere ◽  
Vacuum Atmosphere ◽  
Polymer Pyrolysis ◽  
Pyrolytic Product

The formation, microstructure and electrical property of conductive ceramic composites derived from polymer pyrolysis were investigated. Methylpolysiloxane was mixed with TiH2 as a filler and pyrolyzed in nitrogen, argon and vacuum atmosphere at a temperature of 1600oC for 1 hour after the preheat treatment at 850oC in N2 atmosphere. Depending on the atmosphere conditions, TiN and Ti5Si3 phases were formed by reaction of TiH2 as reactive filler and atmospheric gas or pyrolytic product such as SiO2. Consequently, the microstructures of the ceramic composites with 70 vol.%TiH2 pyrolyzed at 1600oC for 1 hour in vacuum were composed of TiN and Ti5Si3 particles. The density and electrical conductivity of the ceramic composites were 97.3 TD% and 6200 ohm-1⋅cm-1, respectively. These composites pyrolyzed by polymer were considered as superior conductive material with a value of 103 ~ 104 in log scale at room temperature.

scholarly journals Rejuvenator Obtained by Pyrolysis of Waste Tires for Use in Asphalt Mixtures with Added Reclaimed Asphalt

2021 ◽  
Author(s):  
Lidija Ržek ◽  
Mojca Ravnikar Turk ◽  
Marjan Tušar
Keyword(s):  
Sustainable Development ◽  
Asphalt Mixture ◽  
Asphalt Mixtures ◽  
Raw Material ◽  
Reclaimed Asphalt ◽  
Waste Tires ◽  
Liquid Products ◽  
Viscoelastic Characteristics ◽  
Pyrolytic Product ◽  
Made In

Although in recent years, big progress has been made in the field of recovering waste tires, they still represent an unwanted waste and their production is constantly increasing. We can use waste tires as a raw material for a new product. In our study, multiple liquid products were produced by pyrolysis of waste tires. After extensive testing of their properties, we selected the most suitable pyrolytic product for the purpose of rejuvenation. Rejuvenators are designed to soften the old, brittle and stiff aged bitumen in reclaimed asphalt. Bitumen with its viscoelastic characteristics is the most important component of asphalt and dictates its behaviour. Commonly bitumen, after adding rejuvenator, becomes less viscous, more ductile and its coating properties are restored. By using a pyrolytic rejuvenator, the proportion of reclaimed asphalt added to the asphalt mixture was increased. The reuse of reclaimed asphalt and waste tires means a reduction in waste material and is therefore important for the preservation of the environment and sustainable development.

Direct Gas-Liquid Chromatographic Determination of Water-Soluble Vitamin K3 in Feed Premixes

1972 ◽  
Vol 55 (6) ◽  
pp. 1219-1222
Author(s):  
Victor W Winkler ◽  
John M Yoder
Keyword(s):  
Gas Chromatography ◽  
Chromatographic Analysis ◽  
Chromatographic Determination ◽  
Water Soluble ◽  
Vitamin K3 ◽  
Water Soluble Vitamin ◽  
Liquid Chromatographic Determination ◽  
Liquid Chromatographic ◽  
Pyrolytic Product

Abstract A method for the quantitative determination of menadione bisulfite addition products in feed premixes is presented. The menadione bisulfite compound is extracted with methanol from the premix and is determined by gas chromatography directly without pretreatment with alkali. The principle of the method is on-column pyrolysis of menadione bisulfite and subsequent gas chromatographic analysis of the pyrolytic product, menadione.

Analytical Fast Pyrolysis of Glucose, Cellubiose and Cellulose: Comparison of the Pyrolytic Product Distribution

2013 ◽  
Vol 805-806 ◽  
pp. 186-190
Author(s):  
Hang Tao Liao ◽  
Yang Zhang ◽  
Qiang Lu ◽  
Chang Qing Dong
Keyword(s):  
Mass Spectrometry ◽  
Fast Pyrolysis ◽  
Product Distribution ◽  
Gas Chromatography Mass Spectrometry ◽  
Analytical Pyrolysis ◽  
Pyrolysis Gas ◽  
Pyrolysis Gas Chromatography ◽  
Pyrolytic Products ◽  
Fragmentation Reactions ◽  
Pyrolytic Product

Analytical pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) was employed for the fast pyrolysis of glucose, cellubiose and cellulose in this study. The pyrolytic products from the three glucose-based materials were determined and compared to reveal the distribution differences. The results indicated that fast pyrolysis of the three materials obtained similar pyrolytic products, including the anhydrosugars, furans, linear carbonyls and cyclopentanones, but the distribution of the pyrolytic products differed from each other. The cellulose formed more anhydrosugars, but less carbonyls and furans than the glucose and cellubiose. The glycosidic bond of the cellubiose and cellulose would favor the pyrolytic depolymerization reactions to form various anhydrosugars, while inhibit the pyrolytic fragmentation reactions to produce linear carbonyls.

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