ZA919262B - Process for producing regenerated humic acids from coal - Google Patents

Process for producing regenerated humic acids from coal

Info

Publication number
ZA919262B
ZA919262B ZA919262A ZA919262A ZA919262B ZA 919262 B ZA919262 B ZA 919262B ZA 919262 A ZA919262 A ZA 919262A ZA 919262 A ZA919262 A ZA 919262A ZA 919262 B ZA919262 B ZA 919262B
Authority
ZA
South Africa
Prior art keywords
coal
humic acids
producing regenerated
regenerated humic
producing
Prior art date
Application number
ZA919262A
Other languages
English (en)
Inventor
Vincenzo Calemma
Calemma Vincenzo
Vincenzo Piccolo
Piccolo Vincenzo
Riccardo Rausa
Rausa Riccardo
Original Assignee
Eniricerche Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eniricerche Spa filed Critical Eniricerche Spa
Publication of ZA919262B publication Critical patent/ZA919262B/xx

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Fertilizers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA919262A 1990-11-29 1991-11-22 Process for producing regenerated humic acids from coal ZA919262B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02224190A IT1244810B (it) 1990-11-29 1990-11-29 Procedimento per produrre acidi umici rigenerati da carbone

Publications (1)

Publication Number Publication Date
ZA919262B true ZA919262B (en) 1992-08-26

Family

ID=11193544

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA919262A ZA919262B (en) 1990-11-29 1991-11-22 Process for producing regenerated humic acids from coal

Country Status (6)

Country Link
EP (1) EP0488459A3 (it)
CA (1) CA2056757A1 (it)
IT (1) IT1244810B (it)
PL (1) PL166644B1 (it)
RU (1) RU2046817C1 (it)
ZA (1) ZA919262B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1251201B (it) * 1991-09-13 1995-05-04 Eniricerche Spa Procedimento per la preparazione di acidi umici rigenerati da carbone
CN115124732B (zh) * 2022-07-08 2023-03-24 安徽农业大学 一种纳米腐植酸的制备方法及利用其提高肥料肥效的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3562115A (en) * 1969-01-30 1971-02-09 Creative Enterprises Internati Fluidized bed retort surrounded by a fluidized sand heat exchanger
US4261899A (en) * 1980-04-28 1981-04-14 Chem Systems Inc. Phthalic anhydride reaction system
IT1199808B (it) * 1986-12-18 1989-01-05 Eniricerche Spa Procedimento per la produzione di acidi umici rigenerati da carbone
NZ225271A (en) * 1987-07-08 1991-02-26 Nat Energy Council Oxidising coal using a gaseous oxidant

Also Published As

Publication number Publication date
RU2046817C1 (ru) 1995-10-27
IT1244810B (it) 1994-09-05
EP0488459A3 (en) 1993-03-31
CA2056757A1 (en) 1992-05-30
PL166644B1 (pl) 1995-06-30
IT9022241A1 (it) 1992-05-30
EP0488459A2 (en) 1992-06-03
IT9022241A0 (it) 1990-11-29
PL292550A1 (en) 1992-07-13

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