Processing of cotton waste from the making-up industry

The recovery and recycling of fabric and yarn waste (cotton fabrics and sewing threads) from making-up units are discussed and their use in stitch-bonding is noted.

Use of environmentally-friendly solvents to extract cotton, polyester and blends thereof

A working group set up by the TEGEWA association has been considering since 1989 the best way to extract cotton, wool, silk, regenerated cellulose, polyester and acrylic fibres for recycling without causing environmental problems. Various trials have been held using different combinations of solvents. Acetone and t-butylmethylether emerge..

Waste minimization in synthetic textiles process house

Waste reduction at source is considered as a means for protecting the enviroment from various types of effluents released in wet processing. The techniques examined in this report include: quality control of dyes and chemicals; inventory management; conservation and optimization of dyes and chemicals; modifications to the processes used; ..

Methods and Processes for Effluent Treatment with Direct Discharge.

An engineer describes the various types of systems useful for treating direct effluent discharges from small or medium size textile mills. The typical mechanical/aerobic biochemical purification plant includes a mechanical stage for effluent screening and

Antistatic Polyacrylonitrile Fibrids: Production, Properties, and Uses.

Fibrids are flexible manmade fiber particles with a structure similar to cellulose pulp. The manufacture of fibrids in a strong shear field results in the formation of a variety of particle shapes and sizes characterized by large surface areas. The proper

Mechanism of Silk Fibre Formation.

Silkworms produce silk through a natural spinning process. Synthesis of silk sericin and silk fibroin occurs in silk glands. The two proteins proceed together without mixing to the opening of the spinneret. The spinneret of a silkworm consists of a silk p

DP 5432 - A New Cotton for Arizona.

Delta and Pine Land Company offers DP 5432, a new cotton variety developed for cultivation in the desert southwest of the United States. Extensive testing of the variety, which began in 1991, compared the performance of DP 5432 with DP 5415, the most popular variety in the region. The testing demonstrated that DP 5432 produces 1.5 percent..

Monitoring and Management of Whitefly Resistance to Insecticides in Arizona.

Researchers at the University of Arizona confirmed whitefly resistance to mixtures of Danitrol + Orthene (fenpropathrin + acephate). Evidence also indicated cross resistance to other principal pyrethroid insecticides used to control whiteflies, such as As

El Dorado. A New High Quality Acala Cotton for the San Joaquin Valley.

J. G. Boswell Cottonseed Breeding recently introduced El Dorado, a high quality Acala variety developed specifically for cultivation in the San Joaquin Valley of California. Four years of testing denmonstrated that El Dorado yielded as well as Maxxa cotton in the southern and western portions of the valley. The fiber and spinning properti..

Organic Cotton Production -- III.

Organic cotton comprises only 8,000 hectares of cultivated land worldwide and is produced on a commercial scale only in the United States. In other countries, including Argentina, Australia, Brazil, Ecuador, Egypt, Greece, India, Nicaragua, Paraguay, Peru