Jute Polysaccharide Prepared by Steam Explosion and Its Application

A jute and polysaccharide technology, applied in other chemical processes, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve problems such as difficult promotion, difficult storage and transportation of jute leaves and young shoots, and low added value. Achieve the effect of low cost, low cost and easy commercialization
CN105536712BInactive Publication Date: 2018-03-06湖南广播电视大学
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
湖南广播电视大学
Publication Date
2018-03-06
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention belongs to a solid adsorbent and a preparation method thereof and relates to an adsorption material with ephedran as a main component and a preparation method thereof. Corchorus olitorius leaves and young shoots have excellent effects of removing hexavalent chromium in water because histocyte is rich in polyose substances such as pectin, -OH and -NH2 groups of polyose are typical basic groups and the special structures have chelation effects on metal ions with a certain ion radius at a certain pH value so that the polyose substances are natural metal chelate agents. Corchorus olitorius leaves and young shoots are used as raw materials and a large amount of polyose substances such as pectin are separated through physical and chemical processes. The separated substance has good adsorption effects, can be processed simply, has a low cost, easily realizes commercialization and improves added value of corchorus olitorius as the traditional fiber crop.
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Description

technical field

[0001] The invention belongs to the field of sewage treatment containing heavy metal ions, and in particular relates to a method for removing hexavalent chromium ions in water by using jute extract as an adsorption material. Background technique

[0002] Since the discovery of the metal element chromium at the end of the 18th century, chromium and its compounds have been widely used in industrial production, and have become indispensable raw materials for metallurgy, metal processing, electroplating, leather making, paint, printing and dyeing, pharmaceuticals, photographic plate making and other industries. This produces large amounts of chromium-containing wastewater. Chromium exists mainly in the form of Cr(Ⅲ) and Cr(Ⅵ) in nature, Cr(Ⅲ) is an essential trace element for human body, and water-soluble Cr(Ⅵ) is listed as the eight most harmful to human body One of the chemical substances, it is one of the three internationally recognized carcinogenic metals, ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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