|
2024
|
Invention
|
Method for recovering and purifying phosphoric acid from ash. The invention relates to a method f... |
|
2022
|
Invention
|
Method for the combined recycling of phosphate and nitrogen from sewage sludge and optionally bio... |
|
2018
|
G/S
|
Waste water treatment; Water treating; Industrial treatment of effluents; Extraction of minerals ... |
|
2017
|
G/S
|
Phosphoric acid; Phosphorus; Phosphates [fertilizers]. Waste water treatment; Recycling and waste... |
|
2016
|
G/S
|
Phosphorus; Phosphates [fertilizers]; Fertilizers; with the exception of water conditioners and f... |
|
2014
|
Invention
|
Method for purifying raw phosphoric acid (e.g. mga acid) by adding ashes originating from waste i... |
|
|
Invention
|
Method of treating phosphate-containing ash from waste-incineration plants by wet-chemical digest... |
|
|
G/S
|
Phosphorus; Phosphates [fertilizers]; Fertilizers. Recycling and waste treatment; Chemical recycl... |
|
2013
|
G/S
|
Building construction; Repair; Installation services. Treatment of materials. Scientific and tech... |
|
2009
|
G/S
|
Servicing, repair, maintenance and upkeep of machines, technical equipment and vehicles; building... |
|
2008
|
G/S
|
Fertilizers, fertilizers for agriculture. |
|
2007
|
G/S
|
Apparatus, instruments and media for recording, reproducing, carrying, storing, processing, manip... |
