Biomass fast pyrolysis process is a technology that converts renewable solids into dense liquid. This study aims to apprehend the thermodynamic behaviour of Intermediate Liquid Compounds (ILCs) observed during biomass pyrolysis. The system studied was closed (20 mL) with air and mixture solution five components (Acetic acid (AA), hydroxyacetone (HX), phenol; furfural (FF) methanol) at 90°C unde...

The double immunofluorescence technique was used to examine the distribution and interrelationship between LENK- and VIP-immunoreactive nerve fibres within the muscle layer and myenteric plexus of the large intestine in a young female patient (aged 17 years) suffering from colitis ulcerosa activa (CUA). As the CUA was found to be totally drug-resistant, a pancolotomy was performed by means of t...

In high-pressure dynamic thermodynamic processes, the pressure is much higher than the air critical pressure, and the temperature can deviate significantly from the Boyle temperature. In such situations, the thermo-physical properties and pneumatic performance can’t be described accurately by the ideal gas law. This paper proposes an approach to evaluate the pneumatic performance of a high-pres...

The objective of this contribution was to explore the effect of thermodynamic model selection on predicting the solubility of hydrogen in Pyrolysis Gasoline (PYGAS). In order to do this, different combinations of cubic equations of state (EOS), cohesion functions and mixing rules were compared, using both own algorithms and those implemented in the PRO/II 8.0 process simulation software. The mo...

Cryogenic CO2 capture is considered as a promising CO2 capture method due to its energy saving and environmental friendliness. The phase equilibrium analysis of CO2-mixtures at low temperature is crucial for the design and operation of a cryogenic system because it plays an important role in analysis of recovery and purity of the captured CO2. After removal of water and toxic gas, the main comp...

This paper presents a radically new approach to cubic equations of state (EOS) in which the Gibbs-Helmholtz equation is used to constrain the attraction or energy parameter, a. The resulting expressions for a(T , p) for pure components and a(T , p, x) for mixtures contain internal energy departure functions and completely avoid the need to use empirical expressions like the Soave alpha function...

solubility of high molecular weight n-paraffins in supercritical carbon dioxide has been a matter of interest to many researchers. however, not sufficient solubility experimental data are available although the methods by which the experimental data are obtained have many varieties. utilizing cubic equations of state is an effective method for solubility prediction of n-paraffins in supercritic...

This paper presents a model-based analysis of variability thermodynamic and chemical parameters in rotary kiln (RK) during thermal treatment animal waste. The core process waste takes place RKs; the involves heating, gasification partial combustion Control over these parameters, especially level complete combustion, determines quality efficiency process. In operational practice, control is comp...

New student admissions (PPDB) for SMA Pontianak City still found problems in the implementation process, including: errors registration path, zoning system, regional differences, website errors, invalid distances. This research uses a qualitative approach with case studies. The purpose of study was to describe planning, implementation, and evaluation recruitment, selection, online new system at...