Preparation method and application of water-retaining and conditioning material of straw sodium

• Main Authors: LI YANJU, WU YUE, SHAO ZIQIANG, LI YOUQI, WANG XINGHUI, YUAN JINGJING, WANG FEIJUN, LIU YANHUA, CHEN JING
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2019
• Subjects: ADHESIVES; AGRICULTURE; ANIMAL HUSBANDRY; CHEMISTRY; DYES; FERTILISERS; FERTILISERS CHARACTERISED BY THEIR FORM; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; MANUFACTURE THEREOF; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS; NATURAL RESINS; PAINTS; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL; POLISHES; SOIL WORKING IN AGRICULTURE OR FORESTRY; TRAPPING

The invention discloses a preparation method and an application of a water-retaining and conditioning material of straw sodium. The preparation method mainly comprises the following steps: (1), crushing of straw raw materials; (2), alkalizing; (3), etherifying; and (4), drying and crushing of a product. The process of the method is simple, the source of the raw materials is broad, the straw can bedirectly used as the raw materials in the preparation process, the yield is high, and the cost is low; and the prepared material of straw sodium is biodegradable, the biocompatibility is excellent, water retention of soil can be improved, the straw sodium has a growth-promoting effect on the growth of microorganisms and plants, and turning of the straw into treasure and high added-value utilization can be realized. 本发明公开了一种秸秆钠保水与调理材料的制备方法及应用。该制备方法主要包括：(1)秸秆原料粉碎；(2)碱化；(3)醚化；(4)产品干燥与粉碎。该方法工艺简单，制备原料来源广，制备过程能直接利用秸秆做原料，得率高，成本低；制备的秸秆钠材料可生物降解，生物相容性好，可增加土壤保水性，对微生物和植物生长具有促生作用，可实现秸秆变废为宝和高附加值利用。