One of the main characteristics chamois leather is its high ability to absorb water; thus, generally used for cleaning and drying. The usual tanning material fish oil. However, it makes product have a strong odor. This study aims evaluate quality from rabbit skin tanned with corn treatments included addition several oil concentrations consisting P0 (30 % oil), P1 (10 P2 (20% P3 (30% oil). resul...

Application of tray dryer is widely used in agricultural drying because of its simple design and capability to dry products at high volume. However, the greatest drawback of the tray dryer is uneven drying because of poor airflow distribution in the drying chamber. Implementing the proper design of a tray dryer system may eliminate or reduce non-uniformity of drying and increases dryer efficien...

Submitted: Jul 22, 2013; Accepted: Sep 2, 2013; Published: Sep 11, 2013 Abstract: The purpose of this study is to determine the optimum condition of humidity contents, drying rate and energy in the experiment of drying of lemon grass in the fluidized bed dryer with presence of inert particles. The studied drying parameters were temperature, air velocity, mass of sand and drying time. The optimi...

On the basis of the developed approaches and mathematical model (MM) of the bioactive products drying block is carried out the optimization problem of the equipment choice and its operation modes in view of deleted binary mixture an ethanol water composition changes. The analysis of the problem with engaging of the Pontryagin’s maximum principle has revealed optimal control structure. There is ...

A five level four factors central composite rotatable design under response surface methodology was used to optimize process conditions of the foam mat drying process i.e. egg albumen (0%-12%), methyl cellulose (0.1%-0.5%), drying bed thickness (3-7 mm) and drying temperature (55-75°C) to develop grape bar with final moisture content of 14%±1% (dry-base). Contour and response graphs were genera...

Leather is derived from the hides of skins of animals. It is a remarkably durable, strong and versatile material, which in its various forms has been made into objects ranging from African shields and drums to European saddles and kinky underwear. From as early as 2700 BC until fairly recently leather was also in the forefront of information technology with its use (as skins, vellum and parchme...

in this research, the effect of ultrasound-osmotic dehydration process in different conditions on the drying kinetics parameters of rhubarb was investigated. before dying process, rhubarb samples were placed in contact of ultrasound-osmotic pretreatment and then dried by convection hot air dryer equipped with circulated fan. the results showed that using osmotic pretreatment at 40% sucrose solu...

A study was conducted to evaluate the quality of the leather from five different cultivars (Red Fleshed, Allahabad Safeda, Lucknow-49, Chittidar, Apple Colour of guava. Leather quality was also observed using three different recipes for its preparation. The study revealed that organoleptic quality (i.e. colour, flavour, taste, texture and overall acceptability) of leather decreased gradually wi...