BR112014013340B1
(pt)
|
|
método para o processamento de cinzas, particularmente cinzas volantes
|
NO760397L
(enEXAMPLES)
|
|
|
Saxby
|
|
Technique for the isolation of kerogen from sulflde ores |
PL93232B2
(enEXAMPLES)
|
|
|
Lino et al.
|
|
Carbon disulphide-pyridine mixture, a new efficient extraction solvent for coal |
Jianu et al.
|
|
Wastewater sludge used as material for bricks fabrication |
CN108212106A
(zh)
|
|
一种用硫代氨基脲改性玉米壳的吸附剂及其制备方法和应用
|
Phillips et al.
|
|
Desulphurization of Athabasca petroleum coke by (a) chemical oxidation and (b) solvent extraction |
Cunningham
|
|
Sulfur. III |
EP1950275A2
(en)
|
|
Coal desulphurization process
|
CA1105865A
(en)
|
|
Process for removing sulfur from coal employing aqueous solutions of sulfites and bisulfites
|
Reyes et al.
|
|
Continuous production of acrylonitrile-starch graft copolymers by ceric ion catalysis |
Pourdasht et al.
|
|
Preg-robbing carbonaceous matter: an evaluation of surface chemical control |
US2429477A
(en)
|
|
Recovery of sulphur from sulphur ores
|
Cashion et al.
|
|
MÖssbauer Study of Iron and Tin Exchanged into Victorian Brown Coal |
Srivastava
|
|
Recovery of sulphur from very high ash fuel and fine distributed pyritic sulphur containing coal using ferric sulphate |
US200587A
(en)
|
|
Improvement in separating tin from tin-scrap |
Vishnubhatt et al.
|
|
Perchloroethylene extraction desulfurization of low sulfate coals |
JPS5620156A
(en)
|
|
Plating method with tin
|
SU9381A1
(ru)
|
|
Способ выделени селена из камерного ила
|
SU1129260A1
(ru)
|
|
Способ переработки свинцового кека
|
SU1437407A1
(ru)
|
|
Способ выщелачивани металлов из руд
|
US1379260A
(en)
|
|
Process for the concentration of sulfuric acid
|
Davidson et al.
|
|
Hydrofluoric and sulphuric acid leaching of tantalite |
Swain
|
|
Wastes Problems in the Nonferrous Smelting Industry |