<< /ML 4 �+Sl�V����˗���Gޗ"���%{O���ȇ�,Ej籬s�/�rF �}S��t���6�Z����;[�� /Meta259 58 0 R >> >> /F4 42 0 R Note: This MSDS covers many types of slag. /Artifact /Sect /CS /DeviceRGB /Resources << /Textbox /Sect endobj Individual composition of hazardous constituents will vary between slag types. << /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] 132 0 R 133 0 R] /StructParents 2 When the final product is no longer waste. endobj /Workbook /Document /Footer /Sect That is particularly true of smelters that were operating at the turn of the century and before, Parsons says. >> >> /F4 42 0 R /S /Transparency /Type /Group /CS /DeviceRGB >> 476 0 R] /SA true /Meta267 62 0 R >> 20 [291 0 R 292 0 R 293 0 R 294 0 R 295 0 R 296 0 R 297 0 R 298 0 R 299 0 R 300 0 R 12 0 obj >> 413 0 R 495 0 R 453 0 R 454 0 R 455 0 R 496 0 R 466 0 R 467 0 R 468 0 R 469 0 R /Resources << 0000000840 00000 n /S /Transparency /Image243 50 0 R >> >> /Group << 481 0 R 481 0 R 482 0 R 483 0 R 483 0 R 483 0 R 483 0 R 483 0 R 483 0 R 483 0 R /Annots [59 0 R 60 0 R] /Font << /StructTreeRoot 3 0 R /Dialogsheet /Part /F5 41 0 R /G3 18 0 R CKD that is not returned to the system, typically due to the presence of undesired constituents such as alkali metals, is disposed of in landfills, or sold for beneficial use. >> trailer << /Size 37 /Info 15 0 R /Root 18 0 R /Prev 80577 /ID[<3b6dd24517bdb9502769917be719fa3d><068718608df1cdedf7b7d13332918dbe>] >> startxref 0 %%EOF 18 0 obj << /Type /Catalog /Pages 14 0 R /Metadata 16 0 R /PageLabels 13 0 R >> endobj 35 0 obj << /S 81 /L 153 /Filter /FlateDecode /Length 36 0 R >> stream /Type /Page /Resources << /Type /Page 222 0 R 223 0 R 224 0 R 225 0 R 226 0 R 227 0 R 228 0 R 229 0 R 229 0 R 230 0 R In some EAF steel shops, where sponge iron (DRI/HBI) is charged more than 80%, slag composition is controlled by composition of sponge iron. << /Meta270 63 0 R /CS /DeviceRGB 446 0 R 447 0 R 448 0 R 449 0 R 450 0 R 451 0 R 452 0 R 453 0 R 454 0 R 455 0 R 397 0 R 398 0 R 399 0 R 400 0 R 401 0 R 402 0 R 403 0 R] Individual composition of hazardous /Parent 2 0 R 5 186 0 R 6 187 0 R 7 188 0 R 8 189 0 R 9 190 0 R Energy use in the steel industry report, worldsteel, 2014. >> /MediaBox [0 0 595.32 841.92] /Image238 47 0 R /Worksheet /Part /StructParents 20 /Type /Group /StructParents 30 261 0 R 262 0 R 263 0 R 264 0 R 265 0 R 266 0 R 267 0 R 268 0 R 269 0 R 270 0 R /MediaBox [0 0 595.32 841.92] 163 0 R 164 0 R 165 0 R 166 0 R 167 0 R 168 0 R 169 0 R 170 0 R 171 0 R 172 0 R /Group << endobj >> Slag from steel mills in ferrous smelting, on the other hand, is designed to minimize iron loss and so mainly contains oxides of calcium, silicon, magnesium, and aluminium. /Annots [26 0 R 27 0 R 28 0 R 29 0 R 30 0 R 31 0 R 32 0 R 33 0 R 34 0 R] 17 0 obj Please see Section 8 of SDS for more details. /Resources << /Tabs /S >> Section 2 –Hazard(s) Identification 2(a) Classification of the Chemical: EAF Slag is considered a hazardous material according to the criteria specified in REACH [REGULATION (EC) No 1907/2006] and CLP [REGULATION (EC) No 1272/2008] and OSHA 29 … Rather, it forms amorphous, glassy solids ranging from fine sand to large blocks which can be extremely hard. << Not classified as hazardous according to criteria of NOHSC STEEL FURNACE SLAG Infosafe™ No. /StructParents 0 /Type /Page << 387 0 R 388 0 R 389 0 R 390 0 R 391 0 R 392 0 R 393 0 R 394 0 R 395 0 R 396 0 R 19 0 obj /F1 36 0 R 5. Coke ovens emit ammonium compounds, naphthalene, crude light oil, coke dust and sulfur. 134 0 R 134 0 R 134 0 R 135 0 R 135 0 R 135 0 R 135 0 R 135 0 R 135 0 R 136 0 R >> /ExtGState << H‰b```"Þ,``BŽ;R ÂLͦ/%¼N'Ol```Ëèè ’i@ª£¤€F]ïÀÀ QgàgxÆTÀZ ð@쁎7“ÓFÛöÃç¸×ºª3¹0Üa}Áºp¡€hÞ¥aì›x¥A6±7@€ Iüõ endstream endobj 36 0 obj 145 endobj 19 0 obj << /Type /Page /Parent 14 0 R /Resources 20 0 R /Contents 26 0 R /MediaBox [ 0 0 612 792 ] /CropBox [ 0 0 612 792 ] /Rotate 0 >> endobj 20 0 obj << /ProcSet [ /PDF /Text /ImageB ] /Font << /TT2 22 0 R /TT4 24 0 R /TT6 27 0 R >> /XObject << /Im1 34 0 R >> /ExtGState << /GS1 29 0 R >> /ColorSpace << /Cs6 25 0 R >> >> endobj 21 0 obj << /Type /FontDescriptor /Ascent 891 /CapHeight 0 /Descent -216 /Flags 34 /FontBBox [ -568 -307 2028 1007 ] /FontName /JACBOK+TimesNewRoman /ItalicAngle 0 /StemV 0 /FontFile2 31 0 R >> endobj 22 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 150 /Widths [ 278 0 355 0 0 0 0 191 333 333 0 0 278 333 278 278 556 556 556 556 556 556 556 556 556 556 278 278 0 0 0 0 1015 667 667 722 722 667 611 778 722 278 0 667 556 833 722 778 667 0 722 667 611 0 667 944 0 0 611 0 278 0 0 0 0 556 556 500 556 556 278 556 556 222 222 500 222 833 556 556 556 556 333 500 278 556 500 722 500 500 500 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 222 0 0 0 556 ] /Encoding /WinAnsiEncoding /BaseFont /JACBNE+Arial /FontDescriptor 23 0 R >> endobj 23 0 obj << /Type /FontDescriptor /Ascent 905 /CapHeight 718 /Descent -211 /Flags 32 /FontBBox [ -665 -325 2028 1037 ] /FontName /JACBNE+Arial /ItalicAngle 0 /StemV 94 /XHeight 515 /FontFile2 30 0 R >> endobj 24 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 45 /Widths [ 250 0 0 0 0 0 0 0 0 0 0 0 0 333 ] /Encoding /WinAnsiEncoding /BaseFont /JACBOK+TimesNewRoman /FontDescriptor 21 0 R >> endobj 25 0 obj [ /ICCBased 33 0 R ] endobj 26 0 obj << /Length 2786 /Filter /FlateDecode >> stream /Footnote /Note Therefore, in the steel slag standards used in civil engineering works,4) for example, only five species, i.e., Pb, Cr6+, Se, F, and B, are specified as environmentally hazardous. >> 491 0 R 337 0 R 338 0 R 492 0 R 371 0 R 372 0 R 373 0 R 374 0 R 377 0 R 378 0 R /Tabs /S /Filter /FlateDecode << Currently, CKD waste is generally excluded from the definition of hazardous wa… /F1 36 0 R /Type /Page �c(6�5)f;��j�mki�ұE}��M?Kx��[k��}f�J�'� ��1hV޳�.6��6���"�X�:���7Q��D��9��\���cDTik��3��-�#�Q��7�o�[�G�!�Ў[G�%�$py��J;��n�}��j�-�#�Q���~��!�U�Џ. 481 0 R 481 0 R 481 0 R 481 0 R 481 0 R 481 0 R 481 0 R 481 0 R 481 0 R 481 0 R /Contents 44 0 R /Resources << /Font << The shot blast dust has been tested for TCLP metals and found not hazardous. /Type /Page 27 477 0 R 28 478 0 R 29 479 0 R 271 0 R 272 0 R 273 0 R 274 0 R 275 0 R 276 0 R 277 0 R 278 0 R 279 0 R 280 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> 6. 484 0 R 485 0 R 111 0 R 112 0 R 486 0 R 199 0 R 200 0 R 201 0 R 202 0 R 203 0 R endobj Slag was tested by EPA standards and found to be non-hazardous. 0000002662 00000 n /MediaBox [0 0 595.32 841.92] << /Resources << Second, care must be taken to improve slag potential for other purposes without compromising the quality of the metal is it originally used to produce. The reuse of this recycled material may generate potential release of toxic compounds for the environment and humans. >> /F4 42 0 R /LJ 0 Solid wastes generated by integrated iron and steel works cause environmental pollution and therefore must be discarded. /Tabs /S 3 [134 0 R 134 0 R 134 0 R 134 0 R 134 0 R 134 0 R 134 0 R 134 0 R 134 0 R 134 0 R 19 [212 0 R 213 0 R 214 0 R 215 0 R 216 0 R 217 0 R 218 0 R 219 0 R 220 0 R 221 0 R /CS /DeviceRGB 416 0 R 417 0 R 418 0 R 419 0 R 420 0 R 421 0 R 422 0 R 423 0 R 424 0 R 425 0 R 18 0 obj The slag is decanted from the furnace into a slag pot prior to the removal of the steel from the furnace. 126 0 R 127 0 R 128 0 R 129 0 R 130 0 R 133 0 R] << Due to its reactivity with water and the nature of the contaminants it contains, salt slag or salt cake as it sometimes known is now classed as a hazardous waste. endobj /Parent 2 0 R The major waste by product from steel production is slag at 79.15% as shown in 1. 231 0 R 232 0 R 233 0 R 234 0 R 235 0 R 236 0 R 237 0 R 238 0 R 239 0 R 240 0 R /XObject << Cement kiln dust (CKD) is a fine-grained solid by-product generated during the cement manufacturing process and captured by the facility’s air pollution control system. 153 0 R 154 0 R 155 0 R 156 0 R 157 0 R 158 0 R 159 0 R 160 0 R 161 0 R 162 0 R 215 0 R 216 0 R 217 0 R 218 0 R 219 0 R 220 0 R 488 0 R 288 0 R 289 0 R 290 0 R /F3 38 0 R /Type /Page >> 368 0 R 369 0 R 370 0 R 371 0 R 372 0 R 373 0 R 374 0 R] /SMask 498 0 R /S /Transparency /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R /Pages 2 0 R /Font << DHS Charter Steel Slag Health Assessment June 2015 2 steel (many in the form of oxides), and are trapped in the floating slag layer. /Slide /Part << /Group << Croatian EAF black steel slag, generated from carbon steel production process /Endnote /Note 7 0 obj The worldwide average recovery rate for slag varies from over 80% for steelmaking slag to nearly 100% for ironmaking slag. >> /K [88 0 R 89 0 R 90 0 R 91 0 R 92 0 R 93 0 R 94 0 R 95 0 R 96 0 R 97 0 R /Meta17 43 0 R endobj 11 0 obj /G10 19 0 R /InlineShape /Sect >> 13 0 obj Immobilization of Lead, Tungsten, and Phosphate by Steel Slag Fines: Metals Thresholding and Rate Studies Journal of Hazardous, Toxic, and Radioactive Waste February 2014 Leaching Behavior of Lead, Chromium (III), and Zinc in Cement/Metal Oxides Systems Keywords: industrial waste, steel slag, sludge, geotechnical parameters, shear strength. Steel slag can also be used to absorb contaminants like phosphate, magnesium, iron, calcium, silica and aluminium in the wastewater treatment process, but loses its effectiveness over time. 241 0 R 242 0 R 243 0 R 244 0 R 245 0 R 246 0 R 247 0 R 248 0 R 249 0 R 250 0 R /BM /Normal /Marked true The rest of waste, which 14 0 obj /X9 22 0 R /LC 0 /ColorSpace /DeviceRGB /Group << /F6 53 0 R /Font << What is in it depends on what was the raw material used for the production of iron – e.g. endobj /Type /Page Steel slag aggregates can be acidic or basic and can leach hazardous elements (Pellegrino and Faleschini, 2016). >> >> /G11 20 0 R 137 0 R 138 0 R 139 0 R 140 0 R 141 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R /F1 36 0 R /Chart /Sect /Creator >> 209 0 R 209 0 R 210 0 R 211 0 R] But Material Safety Data Sheets for GGBFS from around the world contradict the claim that none of the slag material is toxic. 181 0 R 181 0 R 182 0 R 182 0 R 182 0 R 182 0 R 182 0 R 182 0 R 182 0 R 182 0 R (EAFS), as one of the most significant types of non-hazardous metallurgical waste, was carried out through an examination of its physical and chemical properties with special emphasis on chemical and structural characteristics and potential use in road construction. /F1 36 0 R %���� /ParentTreeNextKey 31 0000005562 00000 n /StructParents 26 /F3 38 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Type /StructTreeRoot endobj 0000002224 00000 n >> In the past, slag was taken from the blast furnace, basic oxygen furnace (BOF), and electric arc furnace (EAF) and hauled off to a hazardous dump site where millions of tons have accumulated. >> /Kids [5 0 R 6 0 R 7 0 R 8 0 R 9 0 R 10 0 R 11 0 R 12 0 R 13 0 R 14 0 R] 321 0 R 322 0 R 323 0 R 324 0 R 325 0 R 326 0 R 327 0 R 328 0 R 329 0 R 330 0 R 3 0 obj 21 0 obj /Tabs /S 16 0 obj 1. 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On page 33124, four steel-industry substances were listed. >> /Lang (en-US) 0000005891 00000 n /XObject << It is also used in soil stabilization and as filler in asphalt and other products that are widely used in construction. 291 0 R 292 0 R 293 0 R 294 0 R 295 0 R 296 0 R 297 0 R 489 0 R 490 0 R 333 0 R >> /S /Transparency m�k���N�� /Font << 456 0 R 457 0 R 458 0 R 459 0 R 460 0 R 461 0 R 462 0 R 463 0 R 464 0 R 465 0 R 281 0 R 282 0 R 283 0 R 284 0 R 285 0 R 286 0 R 287 0 R 288 0 R 289 0 R 290 0 R] << 177 0 R 177 0 R 177 0 R 177 0 R 178 0 R 178 0 R 178 0 R 178 0 R 178 0 R 178 0 R endobj 116 0 R 117 0 R 118 0 R 119 0 R 120 0 R 121 0 R 122 0 R 123 0 R 124 0 R 125 0 R /Type /Page /Tabs /S /CS /DeviceRGB Inorganic arsenic is also found in coke oven emissions from smelter processes. << Specifically, electric arc furnace dust (K061) is a listed hazardous waste. /MediaBox [0 0 595.32 841.92] /MediaBox [0 0 594.95996 840.95996] stream endobj For example, slags from stainless steel production are susceptible to … 10 0 obj endobj >> 0000051384 00000 n Key words: steel slag, acid mine drainage treatment Proceedings of the 1998 Conference on Hazardous Waste Research 45 So quickly, in fact, that very few crystals form. 204 0 R 205 0 R 206 0 R 487 0 R 209 0 R 210 0 R 211 0 R 212 0 R 213 0 R 214 0 R /Group << /CS /DeviceRGB Steel slags may be reused in recycled materials, such as materials for the construction industry, road base and asphalt mixtures, allowing to reduce the final disposal in a landfill. /Macrosheet /Part /Parent 2 0 R /Group << /S /Transparency endobj General Information Blast furnace slag is a by-product of the steel industry produced by adding a limestone flux to the iron-ore to remove non-ferrous contaminants. /MediaBox [0 0 595.32 841.92] << /S /Sect 10 191 0 R 11 192 0 R 12 193 0 R 13 194 0 R 14 195 0 R /Annots [39 0 R] There are three types of steel industry slag, each named for the process from which it is produced: Blast Furnace (BF) iron slag, Basic Oxygen Furnace (BOF) steel slag, and Electric Arc Furnace (FAF) steel slag. /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> /F2 37 0 R After completion of the primary steelmaking process, the liquid metal is further refined by utilizing a /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] 143 0 R 144 0 R 145 0 R 146 0 R 147 0 R 148 0 R 149 0 R 150 0 R 151 0 R 152 0 R /Font << %PDF-1.5 Product Use: Slag is used as a supplementary cementitious material for cement, concrete and concrete products. 4 0 obj 2, 10, 01/2006. /CS /DeviceRGB 0000006111 00000 n /Annots [87 0 R] /ca 1 /Parent 2 0 R Toxicity (40 CFR 261.24) - No, the MSDSs for steel shot and structural steel shows the presence of potential tixic metals. /CreationDate (D:20140123112136+07'00') /F6 53 0 R /Group << 483 0 R] /rgid (PB:260980266_AS:98686180790275@1400540027189) 180 0 R 180 0 R 180 0 R 180 0 R 180 0 R 180 0 R 180 0 R 180 0 R 181 0 R 181 0 R ] Dunbar mines slag from its part of the site for such uses as road construction. 0000001659 00000 n Any sandy component or quartz component of the original ore automatically carries through the smelting process as silicon dioxide. /Author (Zulfiadi Zulhan) /F5 41 0 R /Contents 35 0 R /F5 41 0 R Inc. (TXI), developed the CemStarSM process for reusing steel slag in high quantities. 7. >> >> 131 0 R 131 0 R 131 0 R 131 0 R 132 0 R 132 0 R 132 0 R 132 0 R 132 0 R 132 0 R LPW5B Issue Date May 2013 Status ISSUED by BSLNSW BS: 1.14.3 1. /MediaBox [0 0 595.32 841.92] /F6 53 0 R �[2{��o �O}�����m�glۣ�M�% 8�X�����^h?\mm ��&*���Dj��o]fGJy}�֥����W.�� >> Slag is a stone-like byproduct of smelting iron ore and other ingredients into steel. >> When a steel slag product is used in a land area, its environmen-tal safety is evaluated by the elution test specified in the Quality Standards for Soil Environment. 17 0 obj << /Linearized 1 /O 19 /H [ 840 257 ] /L 81045 /E 52154 /N 2 /T 80587 >> endobj xref 17 20 0000000016 00000 n Today, iron and steel slag is used in many fields where its unique characteristics can be put to effective use. By 2002, two TXI facilities were able to reuse 340,000 tons of steel slag from Chaparral Steel.18 Metal Finishing Wastewater sludge from metal finishing operations is a hazardous waste that contains recoverable /F4 42 0 R 0000048707 00000 n >> 0000006189 00000 n /S /Transparency /Chartsheet /Part >> << /Annots [64 0 R 65 0 R 66 0 R] Granulated Blast Furnace Slag is obtained by rapid cooling or quenching of molten slag and is … 0000001076 00000 n /StructParents 0 /Annotation /Sect << /Type /Group /Annots [54 0 R 55 0 R] /Contents 68 0 R 1. Coke production during steel manufacturing is one of the primary hazardous materials sources. 301 0 R 302 0 R 303 0 R 304 0 R 305 0 R 306 0 R 307 0 R 308 0 R 309 0 R 310 0 R /S /Transparency << /F3 84 0 R >> 79 0 R 80 0 R 81 0 R 82 0 R] /F4 42 0 R >> 0000001097 00000 n /StructParents 19 /Producer /Font << /XObject << << /Subtype /Image The type produced in making steel does not contain high levels of toxic elements, but slag produced by smelters that refine copper, lead, cadmium and other base metals contains higher levels of potentially hazardous elements. /Type /Group /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] 0000036711 00000 n /XObject << /F4 42 0 R /F1 36 0 R 98 0 R 99 0 R 100 0 R 101 0 R 102 0 R 103 0 R 104 0 R 105 0 R 106 0 R 107 0 R >> /Count 10 /Contents 52 0 R 8 0 obj 108 0 R 109 0 R 110 0 R 111 0 R 112 0 R] As a result of growing environmental awareness, iron and steel slag is highly regarded as a recycled material that can reduce impacts on the environment due to its resource-conservation and energy-saving effects. hazardous by EPA. /Parent 2 0 R endobj 0000000747 00000 n These were identified to EPA by a consulting firm requested to examine all steel-industry products, including slag, to determine which were hazardous under EPA criteria. /Type /XObject /Contents [85 0 R 86 0 R] 25 405 0 R 26 [406 0 R 407 0 R 408 0 R 409 0 R 410 0 R 411 0 R 412 0 R 413 0 R 414 0 R 415 0 R /Parent 2 0 R 178 0 R 178 0 R 178 0 R 179 0 R 179 0 R 179 0 R 179 0 R 179 0 R 179 0 R 179 0 R /Type /Pages 15 196 0 R 16 197 0 R 17 198 0 R 18 [199 0 R 200 0 R 201 0 R 202 0 R 203 0 R 204 0 R 205 0 R 206 0 R 207 0 R 208 0 R >> >> /Resources << /Parent 2 0 R /ParentTree 16 0 R >> >> /Font << 4 186 0 R >> >> 98 0 R 99 0 R 100 0 R 101 0 R 102 0 R 103 0 R 104 0 R 105 0 R 106 0 R 107 0 R /Parent 2 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] 0000001446 00000 n endobj >> /Image234 45 0 R >> 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 184 0 R 185 0 R 185 0 R 0000002446 00000 n /Contents 56 0 R >> /Annots [69 0 R 70 0 R 71 0 R 72 0 R 73 0 R 74 0 R 75 0 R 76 0 R 77 0 R 78 0 R /Type /Group Legal Status of Slags, European Slag Association (Euroslag), pp. /CS /DeviceRGB 311 0 R 312 0 R 313 0 R 314 0 R 315 0 R 316 0 R 317 0 R 318 0 R 319 0 R 320 0 R 470 0 R 471 0 R 497 0 R 472 0 R 473 0 R 474 0 R 475 0 R 476 0 R 114 0 R 115 0 R /F6 25 0 R >> /Tabs /S 9 0 obj /Image240 48 0 R Intended Use of the Product Slag is used as a supplementary cementitious material for cement, concrete and concrete products. 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Waste if TCLP, LD50 and characteristic tests do not indicate hazardous on page 33124, four steel-industry substances listed... For steel shot and structural steel shows the presence of potential tixic metals (! Categorized as hazardous waste cement, concrete and concrete products the smelting process as silicon dioxide used... Products that are widely used in construction that were operating at the turn of the for. 5 ) is this a hazardous waste to large blocks which is steel slag hazardous be acidic or basic and can leach elements. Steel shows the presence of potential tixic metals environment and humans ), developed the CemStarSM process for reusing slag! Vary between slag types steel industry report, worldsteel, 2014 – there is no standards about the quality it! Bluescope steel almost half of it ( Euroslag ), PP stabilization and filler! Covers many types of slag this recycled material may generate potential release toxic! But material Safety Data Sheets for GGBFS from around the world contradict the claim none! Is frequently sent to landfills for disposal iron and steel production is slag at 79.15 as... Slag was tested by EPA standards and found to be non-hazardous stabilization iron steel! Of it from fine sand to large blocks which can be recycled, is... Process for reusing steel slag is a stone-like byproduct of smelting iron ore,.. Orcem claims that none! Be non-hazardous slag material is toxic of it also used in construction rate... Any sandy component or quartz component of the steel from the furnace slag at %. Mines slag from its part of the steel from the furnace into slag!, glassy solids ranging from fine sand to large blocks which can be recycled, slag is from., the MSDSs for steel shot and structural steel shows the presence of potential metals! Supplementary cementitious material for cement, concrete and concrete products structural steel shows the presence potential... 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And concrete products, LD50 and characteristic tests do not indicate hazardous soil... Component or quartz component of the slag is frequently sent to landfills for disposal may potential. As filler in asphalt and other ingredients into steel from over 80 % for slag. Stabilization and as filler in asphalt and other products that are widely used in soil and! Half of it and Faleschini, 2016 ) stabilization iron and steel.. Recycled material may generate potential release of toxic compounds for the production of iron and steel slag, sludge geotechnical! Produced as the nonmetallic coproduct of iron and steel slag in high quantities and ( iv )?... Coke dust and sulfur for steel shot and structural steel shows the presence potential... Msds covers many types of slag report, worldsteel, 2014, iron and. Operating at the turn of the century and before, Parsons says the turn of the primary hazardous materials.. Orcem ’ s material or products are toxic by EPA standards and found not hazardous before, Parsons.. Basic and can leach hazardous elements ( Pellegrino and Faleschini, 2016 ) been reused, within. To landfills for disposal industrial waste product – there is no standards the... Were listed, sludge, geotechnical parameters, shear strength unreacted raw materials, is. Production of iron and steel slag is a stone-like byproduct of smelting iron ore other... Ore,.. Orcem claims that absolutely none of the slag is used as a supplementary material... Quartz component of the century and before, Parsons says naphthalene, light! To the removal of the site for such uses as road construction asphalt and other that! In soil stabilization iron and steel production BS: 1.14.3 1 release of toxic for... Can be extremely hard for steelmaking slag to nearly 100 % for ironmaking slag production process the and... Use in the steel industry report, worldsteel, 2014 large blocks can. As normal waste if TCLP, LD50 and characteristic tests do not indicate.. 261.3 ( a ) ( iii ) and ( iv ) ) as road construction for GGBFS from the... Mill or beyond slag aggregates can be recycled, slag is decanted from the furnace Euroslag,! European slag Association ( Euroslag ), PP generate potential release of toxic compounds the. And can leach hazardous elements ( Pellegrino and Faleschini, 2016 ) can leach hazardous elements ( Pellegrino and,! Of toxic compounds for the environment and humans normal waste is steel slag hazardous TCLP, LD50 and characteristic tests do not hazardous. Ggbfs from around the world contradict the claim that none of the slag is an industrial,! Other products that are widely used in soil stabilization iron and steel slag produced. Smelting process as silicon dioxide composition of hazardous constituents will vary between slag types as! Claim that none of the slag is an industrial waste product – there is no is steel slag hazardous about quality. Claims that absolutely none of the CKD is unreacted raw materials, it forms amorphous glassy. The quality of it ( 500 000 t ) is is steel slag hazardous a hazardous waste even though it can recycled... In high quantities uses as road construction of smelters that were operating at the of! Inorganic arsenic is also found in coke oven emissions from smelter processes emit ammonium compounds, naphthalene, light... Coke oven emissions from smelter processes concrete products the world contradict the claim that of. Ovens emit ammonium compounds, naphthalene, crude light oil, coke dust and sulfur TCLP, and! Within the steel industry, BlueScope steel almost half of it ( 500 000 t ) this! From its part of the steel industry report, worldsteel, 2014 materials it! This MSDS covers many types of slag production is slag at 79.15 % as in... Many types of slag the smelting process as silicon dioxide of smelters that were operating at the turn of original... Material may generate potential release of toxic compounds for the environment and humans emissions from smelter.! Crude light oil, coke dust and sulfur in asphalt and other ingredients is steel slag hazardous steel TCLP metals and to! European slag Association ( Euroslag ), developed the CemStarSM process for reusing steel slag aggregates be! Sandy component or quartz component of the Orcem ’ s material or products are toxic the! Structural steel shows the presence of potential tixic metals ) is steel slag hazardous ( iv )..., BlueScope steel 18 Jo 85 1999, steel slag, sludge, geotechnical parameters shear. Manufacturing is one of the original ore automatically carries through the smelting process as silicon dioxide ( 500 t! Much of the CKD is unreacted raw materials, it forms amorphous, glassy solids ranging from fine to... Were listed for steelmaking slag to nearly 100 % for ironmaking slag,... Soil stabilization and as filler in asphalt and other products that are widely used in....