CH71300A
(en )
1915-12-16
Process and furnace system for drying and gasifying sewage sludge
CH70732A
(en )
1915-10-16
Process for gasifying sewer sludge
CH72924A
(en )
1916-07-17
Method and apparatus for mixing sludge
CH56996A
(en )
1912-12-02
Process and device for deslagging from waste incineration ovens
CH65210A
(en )
1914-06-01
Device for dewatering steam and cleaning sludge parts thereof
CH64943A
(en )
1914-05-16
Continuous process and device for purifying waste water
CH69735A
(en )
1915-07-16
Device for cleaning sludge shafts
CH59105A
(en )
1913-04-16
Process and system for dewatering wet-charred peat
CH62787A
(en )
1913-12-16
Process and device for the deslagging of furnaces with beams
CH71811A
(en )
1916-02-16
Process and system for the recycling of waste
CH52782A
(en )
1912-01-02
Method and apparatus for purifying boiler feed water
CH57417A
(en )
1913-01-02
Method and device for conveying peat
AT71586B
(en )
1916-04-25
Process for dewatering perborates.
AU1303714B
(en )
1914-08-18
Process for drying and gasifying of sewage sludge by means of the waste gases from gas making furnaces
CH72856A
(en )
1916-07-17
Process for drawing thin-walled pipes
CH79829A
(en )
1919-01-16
Process for the recovery of iron and steel waste
FR475699A
(en )
1915-06-07
Process for the regeneration of rubble and platras
AT80066B
(en )
1920-02-25
Method and device for releasing the graphitaneMethod and device for releasing the graphite deposit from the retort wall. atzes from the retort wall.
CH58422A
(en )
1913-03-01
Process for treating calcium cyanamide
CH51310A
(en )
1911-08-16
Apparatus for treating solids with gases
AT54816B
(en )
1912-08-10
Process and installation for the continuous tanning of hides.
AT57953B
(en )
1913-02-25
Method and device for dry quenching of quicklime.
CH67214A
(en )
1914-11-16
Process for the utilization of flue gases
CH67910A
(en )
1915-02-01
Process for decolorizing fats and oils
CH60548A
(en )
1913-07-16
Process for processing waste paper