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Press release
08.04.2019  |  6275x
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PHOS4green @ Powtech 2019 Halle 3, Stand 3-249

Waste-free conversion of phosphorus-containing sewage sludge ashes into high-quality stand

At Powtech 2019 in Nuremberg, the plant manufacturing and process development specialist, Glatt, is presenting a groundbreaking waste-free process that recycles the phosphorus from ash to produce ready-to-use high-quality fertilisers.

Glatt Ingenieurtechnik will be presenting a market-ready process at Powtech that fulfils the legal obligation of German waste disposal companies to recover phosphorus. In the first step of the two-stage "PHOS4green" process, a suspension is produced from the phosphate-containing ash, a mineral acid and, depending on the objective, other components. The suspension is then spray granulated in the fluidised bed. This results in fertiliser granulates that are available to plants and soil, which can be discharged, filled and delivered directly after the desired grain size has been reached.

"Fluidised bed granulation has been a mature process for decades, enabling a simple and safe introduction to fertiliser ordinance-compliant phosphate recovery," says Lutz Heinzl, Sales Manager of the Food, Feed & Fine Chemicals competence area at Glatt. "The process recycles 100% of the ash. By flexibly adapting the recipes, a wide variety of fertilisers, including complex varieties (NP, PK, NPK), can be produced, which can be placed on the market as new products."

Company information

Glatt Ingenieurtechnik GmbH
Glatt Ingenieurtechnik GmbH
Glatt is specialized in intelligent particle design for the generation and functionalization of powders and granulates with defined, adjustable properties. The focus is on particles and powders for pigments, catalytic, ceramic or battery materials as well as for granules and pellets as additives for e.g. industrial salts, detergents and cleaning agents, fertilizers, pesticides, food, feed, dietary supplements and pharmaceuticals. Encapsulation of flavors, enzymes, vitamins, microorganisms, probiotics or fatty acids (PUFA) is just as possible as encapsulation of essential oils and other active, sensitive substances to be protected. With Glatt APPtec®, a unique technology for spray calcination, it is possible to generate, coat and then calcine particles in a pulsing hot gas stream in a single process step. As a pioneer in fluid bed and spouted bed technologies, Glatt masters these important processes for the formulation and optimization of particle properties through defined spray agglomeration, spray granulation, spray coating or (micro)encapsulation as well as through combinations of these processes. Also in the high temperature range. Glatt supports the product idea from the early phase of product formulation through process development to scale-up to production scale. Under the leadership of the Glatt Process & Plant Engineering teams, customized production plants for nutrition, fine chemicals, pharmaceuticals, and biotech applications are successfully planned and commissioned. Worldwide. Whether based on powder synthesis, fluid bed or spouted bed technology, Glatt also offers certified contract manufacturing for customers without their own production capacities.
Last update: 27.02.2024

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