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Cost Effective High Performance Functionalised Materials Applications

•   Product Purification 

•   Precious Metals & Gold Recovery from Mining & Refining

•   Metal Removal, Environmental Applications

​​​​​​​​​​​•   Heterogeneous Catalysis

Pharmaceuticals​

Biotechnology​

Performance Chemicals

Fine Chemicals

Flavours & Fragrances

Electronic Chemicals

Plating

Precious Metal/Gold Mining, Refining & Recycling

Precious Metal Compounds & Catalysts Manufacture

Other Industrial Purification & Recovery Applications

Catalysis

Si-Novation Scavenger-Solutions Performance

✔   > 99% Target (Metal or Organic) Removal to 1 ppm and lower

✔   No Loss of High Value Product & Meets Purity Requirements

✔   > 99% Value Return from Recovery of Precious Metals/Gold

✔   > 99% Selectivity for the Target

✔   Improved Process Economics - Low Energy Process, No Additional Waste​

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Innovative Multi-Functional Group Scavenger Design for High Target Affinity, Selectivity & Loading

Product Purification

Metal & Organic Impurities from Product, Intermediate, Process Streams

API Products & Intermediates, Biotech Products, Electronic Chemicals, Performance Chemicals, Fine Chemicals, Flavours & Fragrances etc 

Pd Removal - Pd Catalysed C-C Coupling Product Stream

✔   120 ppm to < 1 ppm with no Product Loss

✔   Pd Coupling can be carried later in the process for High Process Savings

Pd Removal - Pd Catalysed Pharma Product Stream

✔   40-60 ppm Pd removed to << 1 ppm 

✔   No Customer Product Loss

Rh Removal - Rh Catalysed Hydroformylation Product Stream

✔   180 ppm to < 1 ppm with no Product Loss

✔   Value Recovered from Rh Loaded Scavenger

Mixed Metal Removal - Electronic Chemicals

✔   Combined Li, Na, K, Mg, Fe at 1 - 40 ppm removed to ppb levels

​✔   > 99% Target Impurity Removal, < 1 ppm after treatment 

✔   No Product Loss

✔   No Introduction of Other Impurities (High Purity Scavengers)

✔   Ready for Use, No Pre-treatment needed

✔   Low Cost, Simple Application as Fixed Bed or Slurry

Precious Metal Recovery

Pd, Pt, Rh, Ru, Ir, Au from Product, Process, Washing, Residue & Waste Streams

All Precious Metal Catalysed Reactions, Precious Metal Compounds & Catalysts Manufacture, Electroplating, Electronic Chemicals, Residue Streams from Hydrometallurgical Treatments 

Au/Pd Plating & Washing Streams

✔   Up to 1,000 ppm Au/Pd to < 0.1 ppm after treatment

✔   Au/Pd Captured and > 99% Value Recovered

Combined Pt/Ir Coating Stream

✔   80 ppm Pt & 200 ppm Ir, both to < 1 ppm after treatment 

✔   High Pt/Ir Loading on Scavenger

Ir Acidic Process Stream

✔   60 ppm Ir to < 1 ppm after treatment

Ir Catalyst Manufacture Process Stream

✔   10-50 ppm Ir to < 0.1 ppm after treatment

​✔   Precious Metals & Gold removed to 1 ppm or lower, > 99% Removal 

✔   > 99% Precious Metal/Gold Selectivity over Other Metals

✔   Significant concentration of High Value Metals for Recovery

✔   Precious Metal/Gold Loaded Scavenger Safe for Transport

✔   High Value Return from Precious Metals/Gold captured

Rh Catalysed Hydroformylation Residue Stream

✔   40 ppm Rh to < 1 ppm after treatment

✔   > 99% Rh Recovery from Scavenger

Ru Catalysed Reaction Residue Stream

✔   80 ppm Ru removed to < 1 ppm after treatment 

✔   Various Ru species removed

Ru Hydrosilylation Residue Stream

✔   70 ppm Ru to < 1 ppm after treatment

Rh Catalyst Manufacture Process Stream

✔   200-1,000 ppm Rh to below detection limit

Pd, Pt, Rh, Ru, Ir, Au, Ag from Product, Process, Washing, Residue & Waste Streams

High Volume, combined Precious Metals Aqueous/Acidic Aqueous Streams, Gold Processing, Silver Processing,

Nickel/Copper Mining, Chrome Mining etc

Mining & Refining

Precious Metal Recovery - Acidic Barrens Stream

✔   40-120 ppm combined Precious Metals to < 1 ppm after treatment

✔   > 99.9% Precious Metal Selectivity over 10-50 g/L Cu, Ni, Pb, As, Zn, Fe etc

✔   Well-understood chemical engineering with Simple, Low Cost Equipment 

Au Recovery - Mining & Refining Tailings Stream

✔   Novel, High Au Recovery Process 

✔   Low Cost, Low Energy Alternative to CIL Technology

Au Recovery - Mining & Refining Barrens & Process Streams

✔   > 98% Au Recovery from High Volume Streams with 0.05 - 0.25 ppm Au

✔   Simple, Low Energy & Ambient Temperature Process

✔   Simple, Low Cost Equipment with Long Lifetime

High Selectivity Separation

✔   Cu Separation from Gold Refining Processes

✔   Low ppm Fe, Ni, Cu from Precious Metal Coating Streams

✔ Simple, Low Energy & Ambient Temperature Separation Process

Rh & Ir Recovery - Process Streams

Batch composition varies between 30-300 ppm Rh & Ir with 20-80 g/L Ni, Fe, Pb, As

✔   Rh & Ir removed to < 1 ppm

✔   > 99% Rh & Ir Selectivity

Environmental Scavenger-Solutions

Process, Washing, Residue & Waste Streams

Scavenger-Solutions for Metals highlighted 

Ni, Cu, Cr, Fe Removal

✔   < 0.1 ppm after treatment 

Hg Removal

Various Environmental Streams

✔   low ppm to < 1 ppb after treatment 

New Application

Selective Tl Capture from SCR Catalysts

✔   < 0.1 ppm after treatment 

✔   Doubles Catalyst Lifetime for Major Process Savings 

Efficiently meets current and future demand on

•   Stricter enforcement of discharge limits

•   Increasingly tighter environmental regulatory requirements

Organics Scavenger-Solutions

Acids, Bases, Electrophiles and Nucleophiles Removal

Scavenger-Solutions for removing a broad range of organic compounds including:​

    Type

  • Amines & Bases

  • Acids

  • Halides

  • Reactive Species

  • Other Organics

    Examples

  • Organic & Inorganic

  • Organic & Inorganic

  • Alkyl, Acyl, Sulfonyl

  • Isocyanates, Chloroformates

  • Esters, Amides, Phenols, Boronic Acids

Heterogeneous (Solid) Catalysis

Green Alternative

Solid Acid Catalysts with varying acid strength, Oxidation Catalysts, Metal Immobilised Catalysts, Base Catalysts

✔   Reactivity controlled through catalyst modification

✔   Large reduction in volume of toxic waste - reduced waste management costs

✔   Simpler Product Isolation and Purification - No Washings

✔   Catalyst can be recycled and reused

Oxidation Reactions & Other Catalysts

•   Alcohols to aldehydes or ketones 

•   ​Allylic Oxidation

•   Benzylic Oxidation 

•   Selective sulfide oxidation

•   Immobilised Precious Metal Catalysts

•   Solid Base Catalysts 

Acid Catalysed Reaction, some examples

•   Esterification, trans esterification, 

•   ​Condensation, Dehydration and Hydration

•   Fragmentation, Isomerisation,  Rearrangements 

•   Cyclisation

•   Dehydration of sugars

•   Carbon monoxide or formic acid to alkenes 

•   Alkylation & Acylation of aromatic compounds 

Continuous Innovation for Cost Effective High Performance Solutions for Now and into the Future

For Test Samples with Testing Procedure details and More Information, contact@si-novation.com. ​​​

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