Method for producing an oil-binding agent and oil-binding...

Details Method for producing an oil-binding agent and oil-binding... Method for producing an oil-binding agent and oil-binding...

2011-04-26

2011-04-26

Brunsman, David M. (Department: 1732)

Compositions: ceramic

Ceramic compositions

Composed of waste material

C501S141000, C501S154000, C106S137100, C106S137710, C106S164510, C502S080000, C423S326000, C423S327100, C423S328100, C423S331000, C423S332000

Reexamination Certificate

active

07932203

ABSTRACT:
A method for producing an oil-binding agent of granular open-porous structure with a silicate ceramic matrix by using recovered paper material and clay. The method is characterized in that, in each case based on the entire raw material, 35 to 60 wt.-% sewage sludge with a water content of between 70 and 85 wt.-%, 25 to 55 wt.-% recovered paper material with a water content of between 35 and 55 wt.-%, 10 to 25 wt.-% clay and optionally 1 to 3 wt.-% zeolite, 1 to 2 wt.-% quicklime and/or up to 3 wt. % fly ash are mixed to a homogeneous mixture. The raw material thus obtained is subsequently processed in order to form particles having an average diameter of 4 to 6 mm. The particles are then dried and subsequently burnt at 950 to 1050° C. The oil-binding agents produced according to said method have a bulk density of between 0.4 and 0.75 kg/1 and a oil-binding capability of 0.7 to 1.0 1 oil per oil-binder.

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