ZA926868B - Process for producing regenerated humic acids from coal. - Google Patents
Process for producing regenerated humic acids from coal.Info
- Publication number
- ZA926868B ZA926868B ZA926868A ZA926868A ZA926868B ZA 926868 B ZA926868 B ZA 926868B ZA 926868 A ZA926868 A ZA 926868A ZA 926868 A ZA926868 A ZA 926868A ZA 926868 B ZA926868 B ZA 926868B
- Authority
- ZA
- South Africa
- Prior art keywords
- coal
- humic acids
- producing regenerated
- regenerated humic
- producing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H99/00—Subject matter not provided for in other groups of this subclass, e.g. flours, kernels
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
- C05F11/02—Other organic fertilisers from peat, brown coal, and similar vegetable deposits
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Fertilizers (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI912424A IT1251201B (it) | 1991-09-13 | 1991-09-13 | Procedimento per la preparazione di acidi umici rigenerati da carbone |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA926868B true ZA926868B (en) | 1993-03-12 |
Family
ID=11360659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA926868A ZA926868B (en) | 1991-09-13 | 1992-09-09 | Process for producing regenerated humic acids from coal. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5248814A (it) |
EP (1) | EP0532080A1 (it) |
CA (1) | CA2078068A1 (it) |
IT (1) | IT1251201B (it) |
PL (1) | PL295887A1 (it) |
ZA (1) | ZA926868B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5688999A (en) * | 1996-01-26 | 1997-11-18 | Lignotech Usa, Inc. | Production of oxidized humic acids by an oxygen-alkali process |
CN1081651C (zh) * | 1999-09-23 | 2002-03-27 | 中国科学院化工冶金研究所 | 汽爆秸秆生产腐植酸的方法 |
US8795395B2 (en) * | 2006-11-15 | 2014-08-05 | Bijam Biosciences Private Limited | Structurally modified lignite with or without extraction of functionally enhanced organic molecules |
US20100010089A1 (en) * | 2008-07-09 | 2010-01-14 | Don Calvin Van Dyke | System and method for production and use of fulvic acid |
US8641797B2 (en) | 2009-07-09 | 2014-02-04 | Black Dirt Organics Patent Management | Method for producing fulvic acid |
CN111072728A (zh) * | 2019-12-30 | 2020-04-28 | 龙蟒大地农业有限公司 | 一种连续化硝酸氧化制备黄腐酸的方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB443285A (en) * | 1934-12-14 | 1936-02-26 | Jacob Meyer | An improved method for the production of pure phenols from lignite tar, shale tar and low temperature tars |
DE803836C (de) * | 1948-10-05 | 1951-04-12 | Bergwerksverband Zur Verwertun | Verfahren zur Herstellung von Huminsaeuregemischen |
GB815568A (en) * | 1956-12-21 | 1959-06-24 | Metallgesellschaft Ag | Method of producing photostable phenols |
GB1283385A (en) * | 1968-10-08 | 1972-07-26 | American Hydrocarbon | Preparation of humates from coal |
IT1199808B (it) * | 1986-12-18 | 1989-01-05 | Eniricerche Spa | Procedimento per la produzione di acidi umici rigenerati da carbone |
JPH01134334A (ja) * | 1987-11-19 | 1989-05-26 | Matsushita Electric Ind Co Ltd | 液晶表示装置の製造方法 |
IT1244810B (it) * | 1990-11-29 | 1994-09-05 | Eniricerche Spa | Procedimento per produrre acidi umici rigenerati da carbone |
-
1991
- 1991-09-13 IT ITMI912424A patent/IT1251201B/it active IP Right Grant
-
1992
- 1992-08-28 EP EP92202619A patent/EP0532080A1/en not_active Withdrawn
- 1992-09-09 ZA ZA926868A patent/ZA926868B/xx unknown
- 1992-09-10 PL PL29588792A patent/PL295887A1/xx unknown
- 1992-09-11 US US07/944,041 patent/US5248814A/en not_active Expired - Fee Related
- 1992-09-11 CA CA002078068A patent/CA2078068A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US5248814A (en) | 1993-09-28 |
IT1251201B (it) | 1995-05-04 |
EP0532080A1 (en) | 1993-03-17 |
ITMI912424A0 (it) | 1991-09-13 |
CA2078068A1 (en) | 1993-03-14 |
ITMI912424A1 (it) | 1993-03-14 |
PL295887A1 (en) | 1993-04-05 |
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