Chemistry: fertilizers – Processes and products – Inorganic material
Reexamination Certificate
2011-08-30
2011-08-30
Mayes, Melvin (Department: 1732)
Chemistry: fertilizers
Processes and products
Inorganic material
C071S031000
Reexamination Certificate
active
08007560
ABSTRACT:
The present invention discloses a novel use of the FGD byproduct from thermal power plants and facilities and the specific method for alkali soil amelioration. In this method, after sampling, amount of Na2CO3, NaHCO3, Mg(HCO3)2,±)Na and ±)Mg can be calculated by analysis. According to the component in FGD byproduct from thermal power plants and facilities, the amount for FGD byproduct from thermal power plants and facilities needed in the alkali soil to be ameliorated can be determined. The FGD byproduct from thermal power plants and facilities are scattered on the surface according to the alkalization degree. After irrigating, the soil is operated just like common land. This invention allows the FGD byproduct from thermal power plants and facilities to be utilized effectively and economically, changing from it from waste to a useful substance. Moreover, it provides a method for alkali soil amelioration, which is fast, efficient, consumes less water, is cost effective, and promising.
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Rose, Mary Ann and Smith, Elton. “Fertilizing Landscape Plants.” Horticulture and Crop Science. 2001. Ohio State University. <http://web.archive.org/web20010320063717/http://ohioline.osu.edu/hyg-fact/1000/1002.html>.
Gao, Gary, Boggs, Joe and Chatfield, Jim. “Soil Testing is an Excellent Investment for Garden Plants and Commercial Crops.” Horticulture and Crop Science. 2003. Ohio State University. <http://web.archive.org/web/20030604200421/http://ohioline.osu.edu/hyg-fact/1000/1132.html>.
Dixon, H. E., “Magnesium Alkaline Soil Amelioration”,Formation and Amelioration of Alkali Soil, Yanjiantude, et al. Ed., (1980), p. 95 (with English translation).
Chen Changhe
Li Yan
Li Yuejin
Sadakata Masayoshi
Wang Shujuan
Davis Sheng H
Mayes Melvin
Morgan & Lewis & Bockius, LLP
Tsinghua University
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