diff --git a/groovy/material/FirstDegreeMaterials.groovy b/groovy/material/FirstDegreeMaterials.groovy
index a6c6d4036..aea107e4f 100644
--- a/groovy/material/FirstDegreeMaterials.groovy
+++ b/groovy/material/FirstDegreeMaterials.groovy
@@ -233,7 +233,6 @@ public class FirstDegreeMaterials {
                 .dust()
                 .color(0xb09d99)
                 .components(Iron * 2, Sulfur * 3, Oxygen * 12)
-                .flags(DECOMPOSITION_BY_ELECTROLYZING)
                 .build()
                 .setFormula("Fe2(SO4)3", true);
 
diff --git a/groovy/postInit/chemistry/ChemistryOverhaul.groovy b/groovy/postInit/chemistry/ChemistryOverhaul.groovy
index dce180fbe..e92d08660 100644
--- a/groovy/postInit/chemistry/ChemistryOverhaul.groovy
+++ b/groovy/postInit/chemistry/ChemistryOverhaul.groovy
@@ -1196,7 +1196,7 @@ CSTR.recipeBuilder()
 .fluidInputs(fluid('nitric_oxide') * 50)
 .fluidOutputs(fluid('nitrogen_dioxide') * 50)
 .duration(8)
-.EUt(30)
+.EUt(7)
 .buildAndRegister()
 
 CSTR.recipeBuilder()
@@ -1205,7 +1205,7 @@ CSTR.recipeBuilder()
 .fluidOutputs(fluid('nitric_acid') * 100)
 .fluidOutputs(fluid('nitric_oxide') * 50)
 .duration(12)
-.EUt(30)
+.EUt(7)
 .buildAndRegister()
 
 // Methyl Acetate
@@ -1378,18 +1378,6 @@ DISTILLERY.recipeBuilder()
 .EUt(30)
 .buildAndRegister()
 
-// Sulfur Trioxide
-
-ROASTER.recipeBuilder()
-.fluidInputs(fluid('oxygen') * 1000)
-.fluidInputs(fluid('sulfur_dioxide') * 1000)
-.notConsumable(ore('dustVanadiumPentoxide'))
-.fluidOutputs(fluid('sulfur_trioxide') * 1000)
-
-.duration(200)
-.EUt(7)
-.buildAndRegister()
-
 // Saltpeter and Sodium Hydroxide Solution
 
 MIXER.recipeBuilder()
diff --git a/groovy/postInit/chemistry/inorganic_chemistry/elements/p_block/group16/SulfurChain.groovy b/groovy/postInit/chemistry/inorganic_chemistry/elements/p_block/group16/SulfurChain.groovy
index 6ae1f31f8..6bb48bb27 100644
--- a/groovy/postInit/chemistry/inorganic_chemistry/elements/p_block/group16/SulfurChain.groovy
+++ b/groovy/postInit/chemistry/inorganic_chemistry/elements/p_block/group16/SulfurChain.groovy
@@ -5,20 +5,91 @@ import gregtech.api.unification.material.Materials;
 import gregtech.api.unification.ore.OrePrefix;
 import gregtech.api.unification.stack.UnificationEntry;
 
-def ROASTER_RECIPES = recipemap('roaster');
-
-ROASTER_RECIPES.recipeBuilder()
-.inputs(ore('dustPyrite') * 2)
-.outputs(metaitem('dustIronIiiSulfate'))
-.outputs(metaitem('dustSulfur'))
-.duration(80)
-.EUt(7)
-.buildAndRegister()
-
-ROASTER_RECIPES.recipeBuilder()
-.inputs(ore('dustIronIiiSulfate'))
-.outputs(metaitem('dustBandedIron'))
-.fluidOutputs(fluid('sulfur_trioxide') * 3000)
-.duration(160)
-.EUt(7)
-.buildAndRegister()
+
+// Banded Iron Dust * 1
+mods.gregtech.electric_blast_furnace.removeByInput(120, [metaitem('dustPyrite')], [fluid('oxygen') * 3000])
+
+
+ROASTER = recipemap('roaster')
+CRYSTALLIZER = recipemap('crystallizer')
+BR = recipemap('batch_reactor')
+
+//Steam-Age source of SO3/H2SO4
+ROASTER.recipeBuilder()
+	.inputs(ore('dustAnglesite'))
+	.outputs(metaitem('dustMassicot') * 2)
+	.fluidOutputs(fluid('sulfur_trioxide') * 1000)
+	.duration(400)
+	.EUt(30)
+	.buildAndRegister()
+
+//Pyrite roasting for SO2
+ROASTER.recipeBuilder()
+	.circuitMeta(1)
+	.inputs(ore('dustPyrite') * 1)
+	.outputs(metaitem('dustIronIISulfide') * 2)
+	.outputs(metaitem('dustSulfur'))
+	.duration(80)
+	.EUt(16)
+	.buildAndRegister()
+
+ROASTER.recipeBuilder()
+	.circuitMeta(1)
+	.inputs(ore('dustIronIISulfide') * 2)
+	.fluidInputs(fluid('oxygen') * 3000)
+	.outputs(metaitem('dustBandedIron') * 2)
+	.fluidOutputs(fluid('sulfur_dioxide') * 1000)
+	.duration(80)
+	.EUt(30)
+	.buildAndRegister()
+
+ROASTER.recipeBuilder()
+	.inputs(ore('dustPyrite') * 1)
+	.fluidInputs(fluid('oxygen') * 5000)
+	.outputs(metaitem('dustBandedIron') * 2)
+	.fluidOutputs(fluid('sulfur_dioxide') * 2000)
+	.duration(160)
+	.EUt(30)
+	.buildAndRegister()
+
+//Wet Oxidation of Pyrite
+CRYSTALLIZER.recipeBuilder()
+	.inputs(ore('dustPyrite') * 2)
+	//.fluidInputs(fluid('oxygen') * 15000) //technically this process is done by using air but you can't fit 45k air or 15k oxygen into an LV crystallizer
+	.outputs(metaitem('dustIronIiiSulfate') * 17)
+	.fluidOutputs(fluid('diluted_sulfuric_acid') * 2000)
+	.duration(160)
+	.EUt(30)
+	.buildAndRegister()
+
+ROASTER.recipeBuilder()
+	.inputs(ore('dustIronIiiSulfate') * 17)
+	.outputs(metaitem('dustBandedIron') * 2)
+	.fluidOutputs(fluid('sulfur_trioxide') * 3000)
+	.duration(160)
+	.EUt(30)
+	.buildAndRegister()
+
+// Sulfur Trioxide
+
+ROASTER.recipeBuilder()
+	.fluidInputs(fluid('oxygen') * 4000)
+	.fluidInputs(fluid('sulfur_dioxide') * 4000)
+	.notConsumable(ore('dustVanadiumPentoxide'))
+	.fluidOutputs(fluid('sulfur_trioxide') * 4000)
+	.duration(40)
+	.EUt(30)
+	.buildAndRegister()
+
+//Lead chamber process
+
+BR.recipeBuilder()
+    .fluidInputs(fluid('sulfuric_acid') * 1000)
+    .fluidInputs(fluid('dense_steam') * 3000)
+    .fluidInputs(fluid('sulfur_dioxide') * 1000)
+    .fluidInputs(fluid('nitrogen_dioxide') * 1000)
+    .fluidOutputs(fluid('diluted_sulfuric_acid') * 4000)
+    .fluidOutputs(fluid('nitric_oxide') * 1000)
+    .duration(320)
+    .EUt(7)
+    .buildAndRegister()
\ No newline at end of file