| abstract |
PROBLEM TO BE SOLVED: To effectively use rice husks, rice husks and the like, which have been difficult to reuse, as various high-value-added materials, and particularly suitable as a high-quality moisture adjusting material, snow melting material, etc. Provided is a method for producing a modified material and a modified material such as rice husk. The rice husk or cocoon is mixed with a calcium hydroxide source, and the husk or cocoon is treated under a predetermined water vapor pressure that does not cause the rice husk or cocoon to burn. In this case, it is desirable to treat rice husks or straws under a water vapor pressure of 1.45 MPa or more. [Selection] Figure 1 |