SULPHURIC ACID. Sector of Use. Product Category. Caretaker company. Process Category. Typical examples. Informing Company

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Gervais Bartholomew Chandler
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1 SULPHURIC ACID Sector of Use NACE Main applications Typical examples Product Category Process Category Caretaker company Informing Company Environmen tal Release Category Comments Fertilisers Phosphates PC19 1,2 and 3 Police 6A Ammonium PC19 1,2 and 3 Police 6A sulphate Nitrogen PC19 1,2 and 3 Police 6A fertilisers NPK (complex fertilisers - includes granulation) PC19 1,2 and 3 Police 6A Animal feed Stabiliser e.g. PC20 1 or 3 Befesa 6B / 2 2-Hydroxy 4- Methyl thio butyric acid 5, 8a, 8b ph regulator? Explosives Nitration of toluene SU2 Nitration of cellulose Nitration of glycerine Metal mining Zinc (leaching - dissolution of ores) How would sulphuric acid be used in animal feed? PC20 1 or 3 Fertiberia 1 or 6A, 6B It may be used as processing aid / water adsorption PC20 1 or 3 Fertiberia 1 or 6A PC20 1 or 3 Fertiberia 1 or 6A PC19 4 Asturiana de Zinc 1 or 6A

2 SU2 Copper PC19 4 Freeport 1 or 6A (leaching - dissolution of ores) SU2 Nickel PC19 4 Asturiana de 1 or 6A Zinc SU2 Uranium PC or 6A SU2 Metal removal (dissolution) from sand and clay (includes Titanium (Ilmenite Leaching)) PC19 4 Sachtleben 1 or 6A SU14 C24.1 Metal treatme Pickling of steel SU14 C24.1 Pickling of galvanised steel SU14 Scouring and descaling, cleaning of surfaces prior to electrolysis PC0; UCN codes: G05000, M15000 PC0; UCN codes: G05000, M15000 PC0; UCN codes: G05000, M Lanxess 4, 6B 13 Lanxess 4, 6B 13 Lanxess 4, 6B SU14 C24.4 Brass bright dip PC0; UCN codes: G05000, M Lanxess 4, 6B

3 SU2 high purity Indium and Gallium SU14 C Aluminium neutralisation (extraction) PC40 / PC19 4, 8b 1 or 6A PC19 4, 8b 1 or 6A SU14 C Aluminium treatment PC14 13 Lanxess 4, 6B SU14 Electrolysis Metal refining PC7 and 14, 14 Freeport 1 or 6A, 6B? SU14 C Hydrometall urgical of metals Production of zinc (roasting, leaching, purification & electrolysis) PC14 and PC19 2, 4 Asturiana de Zinc 1, 6A The main application in zinc industry is the leaching of calcine (roasted ore) and other zinccontaining meterials. Sulphuric acid is, in this case, an internal isolated intermediate. Usually this is a continuous process.

4 SU4 SU4 Food industry Cellulose for sausage casings Production of starch and starch products including potato starch PC19, PC40? 1 or 3, 4? Befesa 1 or 6A, 6B? How would sulphuric acid be used? PC 19 and 20 1 or 3 Clariant 1 or 6A SU4 Sugar and PC 19 and 20 1 or 3 Clariant 1 or 6A ethyl alcohol from beets SU4 Vegetable PC 19 and 20 1 or 3 Clariant 1 or 6A oils SU4 Gelatin PC 19 and 20 1 or 3 1 or 6A SU4 Aromatics PC20, PC40? 1 or 3, 4? 1 or 6B Not clear what does it mean? Maybe in the petroleum fraction the extraction of aromatics using sulphuric acid? SU4 SU4 Isolation of casein Manufacture of aspartam PC 19 and 20 1 or 3 1 or 6A Shall we decide between PC19 and PC20? PC 19 and 20 1 or 3 Clariant 1 or 6A,

5 SU4 SU4 Yeast and malt. Recovery of protein from plant/animal residues Bottle cleaning Glass product Sodium sulphate PC20 3, 4? Clariant 1 or 6A, 6B? PC40 3, 4? Clariant 1 or 6A, 6B? PC35 4, 8a, 8b 8A, 8B? PC19 1 or 3 Lanxess 1 or 6A, reaction of sulphuric acid to sodium sulphate for the glass. Or sodium sulphate as a byproduct i.e. chrom

6 SU3 Adhesives and glues produc PC19, PC 20 1 or 3 NB for gelatin, see row 31 above. Can also be used in chemically etching the surfaces to be glued, equivalent to abrading, to give the adhesive an uneven surface. Main use seems to be as an intermediate. Soap & detergpurification of oil used for lipolysis black liquor soap cooking in order to produce talloil PC40 3 or 4 1 or 6A, 4, 6B process needs to be clarified. PC19, 20 3 or 4 Befesa 1 or 6A, 4, 6B Direct use as drain cleaner PC or 8a Sulphonates PC19, 1 or 3 Lanxess 1 or 6A

7 Gas purificatiofrom coke ovens PC0; UCN codes: A Police 7 water and SO3 absorption SU6 SU6 SU6 Drying of industrial gases Paper & Pulp Parchmentizi ng Acidification after alkaline pulping Speciality papers, glass fibres, nonwovens PC0; UCN cod1 Lanxess 7 water and SO3 absorption PC20 2, 3, 4 Grillo 6B PC20 2, 3, 4 Grillo 1 or 6A, 6B PC20 2, 3, 4 Grillo 6B SU12 Plastics indus Caprolactam PC19 1 Lanxess 6A use of sulphuric acid to manufacture of caprolactam SU12 Celluloid PC20, 19 1 or 3 6D, 6A process? SU12 Rayon PC19 3 Police 6A SU12 Aramid PC20, 19 1 or 3 6D, 6A SU12 SU12 SU12 SU15 Solvent for polymers PC20 1 or 3 4 Hexamethyle PC20 1 or 3 1 or 6A, 6B nediamine methyl PC19 1 or 3 1 or 6A, acrylate Foundry PC20 1 or 3 6D resins catalyst SU5 Textile industrcaprolactam PC20, 34 1 or 3 Domo 6D

8 SU5 SU23 SU5 SU5 SU5 SU16 SU 0-1; NACE Code: C Carbonisatio n of wool. PC20, B Removal of PC20, B dyes from recycled wool Additive when dyeing with chrome and azo dyes PC34 1 or 3, 4? 1 or 6A, 4, 6B Leather industas PH regulator in the Tanning process (mostly used is formic acid) PC 20 13, 4 Lanxess 6A, 6B of PC23, 19 13, 4 Lanxess 6A tanning agent (Pickling) Electrolyte for Battery and recycling 2, 3, 4, 9, 13 Police PC20 4 Police 2, 7 ERC 2, 4, 7, 9B

9 SU17 C Electroplati ng Zinc. Electrogalva nizing of iron & steel articles PC14, 19 1, 2 and 13 Asturiana de Zinc 1 or 6A, 4, 6B Zinc granules are dissolved with H2SO4. Iron & Steel articles are elctrocoated with this solution. Chromium PC14 13 Lanxess SU16 Electronic chipetching PC14 1 or 3 1 or 6A process? Production of catalysts PC19 1 or 3 1 or 6A process? SU16 Engraving industry PC or 6A, 8A, 6Bi.e. glass etching Photographic applications PC30 1 or 3, 4? 1 or 6A, 8A Organic chemcaprolactam PC20, 19 1 Lanxess 6D, 1 or 6A Citric acid PC19, 20? 1 or 3, 4? 1 or 6A Process? and citrates Lactic acid PC19, 20? 1 or 3, 4? Befesa 1 or 6A Process? and lactates Tartaric acid PC19, 20? 1 or 3, 4? Befesa 1 or 6A Process? isopropylic alcohol PC19, 20? 1 or 3, 4? 1 or 6A Process? polyurethane PC19, 20? 1 or 3, 4? 6D Process? Collagen PC19, 20? 1 or 3, 4? 6D Process? Alginates PC19, 20? 1 or 3, 4? 1 or 6A Process? Concrete super fluidizer PC19, 20? 1 or 3, 4? 1 or 6A Process?

10 Petrochemic PC19, 20? 1 or 3, 4? 1 or 6A Process? als Dyes PC19, 20? 1 or 3, 4? 1 or 6A Process? Rubber industas PH regulator in the synthesis of Accelerator for vulcanisation PC 20 1 or 3 Lanxess 6D, 6B Wiredrawing/ PC19 1 or 3 6C process? coating for tyres Inorganic chempigments PC19 2 Sachtleben 6A (titanium dioxide) Aluminium PC19 1 or 3 Lanxess 6A sulphate and others Manganese PC19 1 or 3 Lanxess 6A sulphate Manganese PC19 1 or 3 Lanxess 6A nitrate Iron suphate PC19 1 or 3 Lanxess 6A and others Phosphoric PC19 2 Police 6A acid Hydrofluoric PC19 1 or 3 Lanxess 6A acid Hydrochloric PC19 1 or 3 Lanxess 6A acid/hydroge n chloride Hydroxylamin PC19 1 or 3 Lanxess 6A e sulphate

11 Potassium PC19 1 or 3 Lanxess 6A sulphate Sodium PC19 1 or 3 Lanxess 6A sulphate Silicates PC19 1 or 3 Lanxess 6A Silicone PC19 1 or 3 Lanxess 6A Hydrogen PC19 1 or 3 Lanxess 6A peroxide/oth er peroxides Dihydrazin PC19 1 or 3 Lanxess 6A sulfate Chlorine PC20 1 or 3 Lanxess 1 or 6A, 6B? process? As water adsorption? Chlorine PC20 1 or 3 1 or 6A, 6B? dioxide Ammonium PC19 1 or 3 1 or 6A perchlorate Calcium PC19 1 or 3 1 or 6A Copper PC19 1 or 3 Freeport 1 or 6A sulphate and other copper salts Barium salts PC19 1 or 3 Sachtleben 1 or 6A Chromium PC19 1 or 3 Lanxess 1 or 6A salts Zinc salts PC19 1 or 3 Lanxess 1 or 6A Petroleum ind Refining PC19 1 or 3 1 or 6A extraction/cle aning?

12 Purification PC19 1 or 3 1 or 6A process? of lubricants/par affins/transfo rmer oil Alkylation of PC19, 20? 1 or 3 Lanxess 1 or 6A, 6B catalyst aliphatics. SU170 Additive for lubricant PC24 1 or 3 Befesa 4? process? Biofuels Esterification PC19, 20? 1 or 3 Grillo 1 or 6A, 6B catalyst SU 3 SU 0-2; NACE Code: M71.2 SU22 SU22 SU3 SU 0-2; NACE Code: E36 Pharmaceutic (diluted)man ufacture of sulphate PC19 1 or 3 Lanxess 1 or 6A PH regulator PC 20 1 or 3 Lanxess 6B Laboratory ch diluted and concentrate catalyst PC20? 1 or 3 Lanxess 6B PC21 15 Lanxess 1 or 6A ERC 8B ph adjuster (wswimming pools PC37 4 Befesa 8B, 8A Effluent PC20 1, 3, 4 Lanxess 8B, 8A neutralisation Acidification of hard water and cooling water PC37 4 Freeport 8B, 8A ERC 6B Drying Operat Chlorine, methyl chloride PC20, 2 1, or 3 Grillo 1 or 6A, 7 water adsorption SU3 Cleaning of industrial installapc35 PROC 5, 7, 10Clariant 8B, 8A ERC 6B

13 SU22 SU 0-2; NACE Code: E36 SU23 SU 0-2; NACE Code: E37 SU23 SU 0-2; NACE Code: E37 SU23 Drinking waterneutralisation, adjust ph, flocculation. Waste water t neutralisation, adjust ph, flocculation. Waste water t Ion exchange resin regeneration Waste treatmeremoval of fabrics from rubber SU13 Stabiliser Briquette and pellet SU3 Ion exchange resin regeneration( Deminerialis ed water manufacture) PC37 1 or 3 PC37, 20 1 or 3 PC37, 20 1 or 3 Clariant Lanxess 8B 8B? 8B? Lanxess PC B PC B PC37 1, 3 8B, 6B

Chemical Resistance PPA 571

Chemical Resistance PPA 571 - Prolonged contact refers to the process where the coating material is immersed in the chemical permanently, or intermittently for long periods of time. - Occasional short