Liangshan Ketai Biotechnology Research and Development Center
A major breakthrough has been made in the technological innovation of crop straw comprehensive processing
Since 2008, Liangshan Ketai Bioengineering Technology R&D Center has intensified its technical innovation work and achieved major breakthroughs in the research and development of crop straw comprehensive processing and utilization technologies.
China is a big agricultural country. It produces nearly 1 billion tons of crop straw, stalks, hides, shells, cores, wood chips, and reeds, straws, etc. (hereinafter referred to as straw) each year. Although the forms are different, the ingredients are basically the same. Of which, lignin 15-20%, cellulose 40-50%, protein, fat 7-10%, polysaccharide 15-20%, nitrogen, phosphorus, potassium and other minerals 8-10%. The total amount of these substances contained is astonishing, and it can be called a huge resource treasure. From ancient times to the present, many generations have made a fuss about straw processing and utilization, and have made continuous progress. In particular, the injection of modern processing technology has enabled some of these straws to have more value-added processing and higher utilization rates. However, these processing and utilization techniques and methods all extract some components of the straw or use some of the straw. They have not been able to extract and use all the components of the straw, and have not been able to realize the full value of resources by utilizing all the uses of the straw. In particular, in recent years, with the improvement of the living standards of farmers, crop stalks have been withdrawn from the field of “burning firewoodâ€, and farmers have had to burn them because “straw is useless and accumulation has become a problemâ€. This not only wastes resources, but also brings serious problems such as security risks and environmental pollution. Governments at all levels have adopted a variety of measures and have not been able to change the situation in which crop stalks are largely abandoned, incinerated, or used in low value processing.
In response to the above situation, Liangshan Ketai Bioengineering R&D Center gathers information from many aspects and integrates multi-field technologies. It closely focuses on the core of “value-added†and boldly innovates. It took half a year of hard work and has invested more than 5 million yuan over 1,000 trials. Finally, major breakthroughs were made in the comprehensive processing technology of crop stalks, and a new technology system for comprehensive processing and utilization that can be extended to the entire culm stalk category was initially formed. Established the innovative ideas of "advanced raw materials, high value-added, green, and multi-benefits" and the technological theory of "countercurrent extraction, scientific addition, whole yuan extraction, no waste and no pollution"; completed wheat straw, corn stalks, cotton stalks, The technical trials, pilot tests, and summaries of comprehensive processing of five kinds of raw materials, such as cottonseed husks, poplar sawdust, etc., with large local stocks and strong representativeness, according to scientific and technological reports, using various straws as raw materials, using “countercurrent extraction†and “woodiness†Solvent-removing agent is added as the core technology, and a series of new technologies such as cellulose, lignin, and compound fertilizer are successively separated and extracted in one reaction. There are no reports in the literature. Many technologies are domestically initiated.
This comprehensive straw processing technology is diversified, and it is a good project with low investment and high efficiency. The social benefits of applying new technologies, reducing pollution, eliminating potential safety hazards, saving water, and transferring rural labor force are also significant.
The breakthrough in comprehensive processing technology of straw straw represented by cotton rod processing technology has attracted the attention of relevant leaders and experts. The preliminary analysis believes that the comprehensive processing technology of crop straws developed by Liangshan Ketai is compared with other domestic processing and utilization technologies. , Has seven advantages: First, not subject to raw material restrictions. Second, processing value-added large enterprises have good direct benefits. Third, farmers and local governments benefited greatly. Fourth, product upgrades can be docked with the high market. Fifth, save resources, protect the environment and product safety. 6. The site selection and processing scale of technological development projects are flexible. The equipment is all domestically produced and versatile. VII. The value of technological development is large and the prospects are broad. If these series of technologies are popularized and applied throughout the country, if they process 50% of the total annual output of straw in the country, then the annual value of the enterprises can be increased by 1 trillion yuan, the fiscal revenue can be increased by 1 billion yuan, and the farmers straw can be increased by 200 billion yuan. It can lead the technological revolution in the industries of papermaking, cellulose chemicals, and viscose fibers throughout the country. These technologies will fundamentally solve the current situation of straw waste and incineration in a cost-effective manner, resulting in huge economic and social benefits. It is in line with the requirements of the current state to build a resource-saving, environment-friendly, and economical development-based harmonious society.
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