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Engineering and Technology OPEN ACCESS

Analysis of The Percentage of Impurities in Cotton

Parpiev Azimjon
DSc, Professor., Department of natural fiber processing technology, Tashkent Institute of Textile and Light Industry, Tashkent, 100000, Uzbekistan
Saidbekova Saidakhon
Lecturer, Department of natural fiber processing technology, Tashkent Institute of Textile and Light Industry, Tashkent, 100000, Uzbekistan
DOI Crossref DOI 10.37547/tajet/Volume08Issue03-08
tajet 2026
VOL. 8 / NO. 03 MARCH
FULL TEXT PP. 127-135
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VOLUME 8
ISSUE 03
YEAR 2026
PAGES 127-135
RESEARCH OVERVIEW

Abstract

The article is devoted to the study of the proportion of contamination of raw cotton, the geometric dimensions and the number of contaminations of raw cotton are analyzed. It is shown that the existing method used in practice for determining the contamination of raw cotton by the weight of the litter does not fully characterize the contamination of raw cotton as an object of cleaning. The influence of the type and quality of the collection and the variety of raw cotton on the weed fraction was determined.

It is shown that in the composition of raw cotton of the highest grades and machine, about the manual collection, there is a significant amount of collection of small litter.

It has been established that weed impurities up to 6 mm in size make up 93-97% of the total contamination of raw cotton.

It is recommended, based on the analysis of the results of the experiment, to improve the quality of the collection of raw cotton, control the collection, take into account the influence of fractional cotton harvesters, take into account the fractional composition of weeds when drawing up a plan for harvesting raw cotton, and also carry out a wide development of the composition of raw cotton in this area by studying the factors influencing the study of the geometric dimensions of contamination, give the appropriate conclusions.

RESEARCH TOPICS

Keywords

Small and large litter weed fraction cleaning plan

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