FIELD: production of fertilizers and growth regulators. SUBSTANCE: proposed method includes grinding naturally oxidized coal and treatment with alkali solution. Prior to leaching, coal is mixed with saw-dust and stack is formed from mixture thus obtained. Treatment of stack with alkali is performed by sprinkling the stack. EFFECT: possibility of obtaining concentrated solutions of sodium and potassium humate. 4 cl, 2 tbl, 2 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF MANUFACTURING ALKALI METAL HUMATES | 2002 |
|
RU2243194C2 |
| METHOD AND APPARATUS FOR CONCENTRATING HUMIN ACID SALT SOLUTIONS | 2000 |
|
RU2179163C2 |
| HUMIC FERTILISER FOR ORGANIC FARMING AND METHOD FOR PRODUCTION THEREOF | 2007 |
|
RU2477264C2 |
| METHOD OF MANUFACTURING HUMIN FERTILIZERS | 1996 |
|
RU2104988C1 |
| COMPLEX FERTILIZERS PRODUCTION PROCESS | 2000 |
|
RU2181113C2 |
| METHOD OF PRODUCING LIQUID HUMIC ORGANO-MINERAL FERTILISER FOR PLANTS | 2014 |
|
RU2580469C2 |
| METHOD OF PREPARING LIQUID BIOLOGICAL PLANT GROWTH STIMULATOR FROM HUMUS-CONTAINING SUBSTANCES | 1996 |
|
RU2112763C1 |
| METHOD FOR PREPARATION OF BIOLOGICALLY ACTIVE SOIL | 0 |
|
SU1808825A1 |
| PRODUCTIVE GROUND | 2005 |
|
RU2288907C1 |
| METHOD OF MANUFACTURING BIOLOGICAL STIMULATOR OF GROWTH AND DEVELOPMENT OF PLANTS FROM HUMUS-CONTAINING SUBSTANCES | 2002 |
|
RU2253641C2 |
