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#REGMAX.CHLORIDE: Innovative Solution for Regenerating Spent Hydrochloric Pickling Acid in Stainless Steel Processing

The regeneration of hydrochloric acid in stainless steel pickling poses a major challenge due to the high concentration of ferric chloride (FeCl3), complicating conventional recovery methods. SUSTEC’s REGMAX.CHLORIDE technology offers an efficient solution, fully recovering hydrochloric acid while reducing environmental impact.

Technology Background

*Hydrochloric acid and hydrogen peroxide in stainless steel pickling: Mechanisms

Stainless steel requires surface treatment to remove impurities formed during the manufacturing process. Pickling is a critical step that removes oxide scales, residues and contaminants, thereby restoring the corrosion-resistant properties of the material. Some stainless-steel manufacturers use hydrochloric acid (HCl) as a pre-pickling agent due to its effectiveness in dissolving oxide scale. When combined with hydrogen peroxide (H₂O₂), pickling efficiency and surface quality are further enhanced. This article examines the mechanisms and benefits of using HCl and H₂O₂ in stainless steel pickling.

REGMAX® Solution

*REGMAX nominated as net zero compatible innovation

REGMAX was nominated as one of thoused solutions by the Mission Innovation.

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A Prototypical Waste Recycling Process Could Clean Up the Stainless Steel Industry

E4C 02.02.2019 - The new process confers environmental benefits by eliminating waste, and economic benefits by reducing the need to buy new acids and other materials.

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Promising Prototypes to Watch in 2019

E4C 29.01.2019 - The technologies that improve lives in the world’s underserved communities are born as prototypes that evolve through testing and tinkering in workshops, laboratories and garages. We polled our network of engineering experts in search of the next important products in global development. Each of their recommendations is designed to meet a basic need in the world’s underserved communities. And each has the potential to someday change people’s lives around the world. These are promising prototypes to watch in the year ahead.

REGMAX® Solution

REGMAX Labled as Efficient Solution

Solar Impuls Foundation lables our REGMAX technology with the "Efficient Solution Label"

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REGMAX technology prestented at MI-4

SUSTEC's REGMAX technology has very positiv impact on green house gas emission and is therfore being presented at Mission Innovation's MI-4 in Vancover, Canada.

REGMAX® Solution

REGMAX: Improving the Energy Efficiency of Stainless Steel Pickling

01-2020 mission-innovation.net - Mission Innovation Breakthroughs - The REGMAX® technology has the potential to eliminate waste acids from the global stainless steel industry and to recover more than 350,000 liters of waste acid every hour, which will equate to more than 400 MW in energy savings. Its implementation could be accelerated by placing pressure on the stainless steel industry to use the technology or providing funding for smaller plants to make the return on investments more attractive.

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SUSTEC at G-STIC 2018

SUSTEC invited to Gobal Sustainable Technology & Innovation Confernce 2018

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SUSTEC at Green Chemistry Conference 2018

SUSTEC was invited to present its REGMAX(R) technology during the Green Chemistry Conference 2018 in Vienna

REGMAX® Solution

We’re part of #TheFirst500 labelled solutions of the @Solar Impulse Foundation.

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Who are the 50 first labelled Solar Impulse Efficient Solutions?

bertrandpicard.com 08.10.2018