Title: Method for producing powder coal ash fertilizer
Application Number: 91111595 Application Date: 1991.12.11
Publication Number: 1073157 Publication Date: 1993.06.16
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C05G3/04
Applicant(s) Name: Zhou Wujun Address: 441002
Inventor(s) Name:
Attorney & Agent: WANG SHOUREN
Abstract:
     The present invention relates to a method for producing powdered coal ash fertilizer. Its product is applicable to improvement on soil, in particular sterile soil and promotion of crops growth in agriculture and forestry. Its production method is that the powdered coal ash and fertilizer are used as raw materials, proportioned, granulated by use of a conventional mixing technique and magnetized under 3000-8000 gausses of magnetization, to obtain the invented powdered coal ash fertilizer product. Because the present invention uses the magnetization and mixing technique, its product has the advantages of high fertilizer efficiency and utilization rate, good soil improvement effect, inducing crops to fully absob nutrients and raising unit area yield of farm and forestry crops.
Time: 5