Separation of scheelite and calcite using calcium lignosulphonate as depressant

The flotation separation of scheelite and calcite by froth flotation is difficulty as these two minerals have similar physicochemical characteristics. To solve this problem, the role of calcium lignosulphonate (CLS) in the flotation separation of scheelite from calcite has been studied and the separ...
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Gespeichert in:

Autor*in:	Feng, Bo [verfasserIn] Guo, Wei [verfasserIn] Peng, Jinxiu [verfasserIn] Zhang, Wenpu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2018

Schlagwörter:	Scheelite Calcite Calcium lignosulphonate Depression selectivity

Übergeordnetes Werk:	Enthalten in: Separation and purification technology - Amsterdam [u.a.] : Elsevier Science, 1997, 199, Seite 346-350
Übergeordnetes Werk:	volume:199 ; pages:346-350

DOI / URN:	10.1016/j.seppur.2018.02.009

Katalog-ID:	ELV001772872

Internformat


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520			\|a The flotation separation of scheelite and calcite by froth flotation is difficulty as these two minerals have similar physicochemical characteristics. To solve this problem, the role of calcium lignosulphonate (CLS) in the flotation separation of scheelite from calcite has been studied and the separation mechanism has been discussed. The micro-flotation tests show that calcium lignosulphonate has strong depression effect to calcite and the depression effect decreased with the increase in pH. However, its depressive effect to scheelite is weak at pH 6–9. A concentrate with WO3 grade of 65.02%, and WO3 recovery of 79.64% was achieved in the flotation separation of mixed mineral, while calcium lignosulphonate was used. The reason is that the adsorption amount of calcium lignosulphonate on scheelite surface is far less than that of calcite according to adsorption tests. The interaction mechanism of calcite and CLS was studied by XPS and the results shows that the interaction between calcite and CLS were chemisorptions, and this interaction that SO3 group were involved hindered the absorption between Ol− and the Ca2+ on the surface of calcite, it also shows that a small amount of Ca(OH)2 was generated on the surface of calcite in the presence of CLS, the coefficient of these two mechanisms brings about the depression effect for calcite.
650		4	\|a Scheelite
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650		4	\|a Calcium lignosulphonate
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700	1		\|a Peng, Jinxiu \|e verfasserin \|4 aut
700	1		\|a Zhang, Wenpu \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Separation and purification technology \|d Amsterdam [u.a.] : Elsevier Science, 1997 \|g 199, Seite 346-350 \|h Online-Ressource \|w (DE-627)320620123 \|w (DE-600)2022535-0 \|w (DE-576)259485349 \|7 nnns
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912			\|a GBV_ILN_74
912			\|a GBV_ILN_90
912			\|a GBV_ILN_95
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912			\|a GBV_ILN_224
912			\|a GBV_ILN_370
912			\|a GBV_ILN_602
912			\|a GBV_ILN_702
912			\|a GBV_ILN_2003
912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
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912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2038
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2088
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2112
912			\|a GBV_ILN_2113
912			\|a GBV_ILN_2118
912			\|a GBV_ILN_2122
912			\|a GBV_ILN_2129
912			\|a GBV_ILN_2143
912			\|a GBV_ILN_2147
912			\|a GBV_ILN_2148
912			\|a GBV_ILN_2152
912			\|a GBV_ILN_2153
912			\|a GBV_ILN_2190
912			\|a GBV_ILN_2336
912			\|a GBV_ILN_2470
912			\|a GBV_ILN_2507
912			\|a GBV_ILN_2522
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912			\|a GBV_ILN_4037
912			\|a GBV_ILN_4046
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912			\|a GBV_ILN_4126
912			\|a GBV_ILN_4242
912			\|a GBV_ILN_4251
912			\|a GBV_ILN_4305
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912			\|a GBV_ILN_4322
912			\|a GBV_ILN_4323
912			\|a GBV_ILN_4324
912			\|a GBV_ILN_4325
912			\|a GBV_ILN_4326
912			\|a GBV_ILN_4333
912			\|a GBV_ILN_4334
912			\|a GBV_ILN_4335
912			\|a GBV_ILN_4338
912			\|a GBV_ILN_4393
936	b	k	\|a 58.11 \|j Mechanische Verfahrenstechnik
936	b	k	\|a 58.13 \|j Thermische Verfahrenstechnik
951			\|a AR
952			\|d 199 \|h 346-350

Indexfelder

author_variant	b f bf w g wg j p jp w z wz
matchkey_str	fengboguoweipengjinxiuzhangwenpu:2018----:eaainfceltadactuigaculgou
hierarchy_sort_str	2018
bklnumber	58.11 58.13
publishDate	2018
allfields	10.1016/j.seppur.2018.02.009 doi (DE-627)ELV001772872 (ELSEVIER)S1383-5866(17)33001-0 DE-627 ger DE-627 rda eng 540 DE-600 58.11 bkl 58.13 bkl Feng, Bo verfasserin aut Separation of scheelite and calcite using calcium lignosulphonate as depressant 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The flotation separation of scheelite and calcite by froth flotation is difficulty as these two minerals have similar physicochemical characteristics. To solve this problem, the role of calcium lignosulphonate (CLS) in the flotation separation of scheelite from calcite has been studied and the separation mechanism has been discussed. The micro-flotation tests show that calcium lignosulphonate has strong depression effect to calcite and the depression effect decreased with the increase in pH. However, its depressive effect to scheelite is weak at pH 6–9. A concentrate with WO3 grade of 65.02%, and WO3 recovery of 79.64% was achieved in the flotation separation of mixed mineral, while calcium lignosulphonate was used. The reason is that the adsorption amount of calcium lignosulphonate on scheelite surface is far less than that of calcite according to adsorption tests. The interaction mechanism of calcite and CLS was studied by XPS and the results shows that the interaction between calcite and CLS were chemisorptions, and this interaction that SO3 group were involved hindered the absorption between Ol− and the Ca2+ on the surface of calcite, it also shows that a small amount of Ca(OH)2 was generated on the surface of calcite in the presence of CLS, the coefficient of these two mechanisms brings about the depression effect for calcite. Scheelite Calcite Calcium lignosulphonate Depression selectivity Guo, Wei verfasserin aut Peng, Jinxiu verfasserin aut Zhang, Wenpu verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 199, Seite 346-350 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:199 pages:346-350 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.11 Mechanische Verfahrenstechnik 58.13 Thermische Verfahrenstechnik AR 199 346-350
spelling	10.1016/j.seppur.2018.02.009 doi (DE-627)ELV001772872 (ELSEVIER)S1383-5866(17)33001-0 DE-627 ger DE-627 rda eng 540 DE-600 58.11 bkl 58.13 bkl Feng, Bo verfasserin aut Separation of scheelite and calcite using calcium lignosulphonate as depressant 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The flotation separation of scheelite and calcite by froth flotation is difficulty as these two minerals have similar physicochemical characteristics. To solve this problem, the role of calcium lignosulphonate (CLS) in the flotation separation of scheelite from calcite has been studied and the separation mechanism has been discussed. The micro-flotation tests show that calcium lignosulphonate has strong depression effect to calcite and the depression effect decreased with the increase in pH. However, its depressive effect to scheelite is weak at pH 6–9. A concentrate with WO3 grade of 65.02%, and WO3 recovery of 79.64% was achieved in the flotation separation of mixed mineral, while calcium lignosulphonate was used. The reason is that the adsorption amount of calcium lignosulphonate on scheelite surface is far less than that of calcite according to adsorption tests. The interaction mechanism of calcite and CLS was studied by XPS and the results shows that the interaction between calcite and CLS were chemisorptions, and this interaction that SO3 group were involved hindered the absorption between Ol− and the Ca2+ on the surface of calcite, it also shows that a small amount of Ca(OH)2 was generated on the surface of calcite in the presence of CLS, the coefficient of these two mechanisms brings about the depression effect for calcite. Scheelite Calcite Calcium lignosulphonate Depression selectivity Guo, Wei verfasserin aut Peng, Jinxiu verfasserin aut Zhang, Wenpu verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 199, Seite 346-350 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:199 pages:346-350 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.11 Mechanische Verfahrenstechnik 58.13 Thermische Verfahrenstechnik AR 199 346-350
allfields_unstemmed	10.1016/j.seppur.2018.02.009 doi (DE-627)ELV001772872 (ELSEVIER)S1383-5866(17)33001-0 DE-627 ger DE-627 rda eng 540 DE-600 58.11 bkl 58.13 bkl Feng, Bo verfasserin aut Separation of scheelite and calcite using calcium lignosulphonate as depressant 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The flotation separation of scheelite and calcite by froth flotation is difficulty as these two minerals have similar physicochemical characteristics. To solve this problem, the role of calcium lignosulphonate (CLS) in the flotation separation of scheelite from calcite has been studied and the separation mechanism has been discussed. The micro-flotation tests show that calcium lignosulphonate has strong depression effect to calcite and the depression effect decreased with the increase in pH. However, its depressive effect to scheelite is weak at pH 6–9. A concentrate with WO3 grade of 65.02%, and WO3 recovery of 79.64% was achieved in the flotation separation of mixed mineral, while calcium lignosulphonate was used. The reason is that the adsorption amount of calcium lignosulphonate on scheelite surface is far less than that of calcite according to adsorption tests. The interaction mechanism of calcite and CLS was studied by XPS and the results shows that the interaction between calcite and CLS were chemisorptions, and this interaction that SO3 group were involved hindered the absorption between Ol− and the Ca2+ on the surface of calcite, it also shows that a small amount of Ca(OH)2 was generated on the surface of calcite in the presence of CLS, the coefficient of these two mechanisms brings about the depression effect for calcite. Scheelite Calcite Calcium lignosulphonate Depression selectivity Guo, Wei verfasserin aut Peng, Jinxiu verfasserin aut Zhang, Wenpu verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 199, Seite 346-350 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:199 pages:346-350 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.11 Mechanische Verfahrenstechnik 58.13 Thermische Verfahrenstechnik AR 199 346-350
allfieldsGer	10.1016/j.seppur.2018.02.009 doi (DE-627)ELV001772872 (ELSEVIER)S1383-5866(17)33001-0 DE-627 ger DE-627 rda eng 540 DE-600 58.11 bkl 58.13 bkl Feng, Bo verfasserin aut Separation of scheelite and calcite using calcium lignosulphonate as depressant 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The flotation separation of scheelite and calcite by froth flotation is difficulty as these two minerals have similar physicochemical characteristics. To solve this problem, the role of calcium lignosulphonate (CLS) in the flotation separation of scheelite from calcite has been studied and the separation mechanism has been discussed. The micro-flotation tests show that calcium lignosulphonate has strong depression effect to calcite and the depression effect decreased with the increase in pH. However, its depressive effect to scheelite is weak at pH 6–9. A concentrate with WO3 grade of 65.02%, and WO3 recovery of 79.64% was achieved in the flotation separation of mixed mineral, while calcium lignosulphonate was used. The reason is that the adsorption amount of calcium lignosulphonate on scheelite surface is far less than that of calcite according to adsorption tests. The interaction mechanism of calcite and CLS was studied by XPS and the results shows that the interaction between calcite and CLS were chemisorptions, and this interaction that SO3 group were involved hindered the absorption between Ol− and the Ca2+ on the surface of calcite, it also shows that a small amount of Ca(OH)2 was generated on the surface of calcite in the presence of CLS, the coefficient of these two mechanisms brings about the depression effect for calcite. Scheelite Calcite Calcium lignosulphonate Depression selectivity Guo, Wei verfasserin aut Peng, Jinxiu verfasserin aut Zhang, Wenpu verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 199, Seite 346-350 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:199 pages:346-350 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.11 Mechanische Verfahrenstechnik 58.13 Thermische Verfahrenstechnik AR 199 346-350
allfieldsSound	10.1016/j.seppur.2018.02.009 doi (DE-627)ELV001772872 (ELSEVIER)S1383-5866(17)33001-0 DE-627 ger DE-627 rda eng 540 DE-600 58.11 bkl 58.13 bkl Feng, Bo verfasserin aut Separation of scheelite and calcite using calcium lignosulphonate as depressant 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The flotation separation of scheelite and calcite by froth flotation is difficulty as these two minerals have similar physicochemical characteristics. To solve this problem, the role of calcium lignosulphonate (CLS) in the flotation separation of scheelite from calcite has been studied and the separation mechanism has been discussed. The micro-flotation tests show that calcium lignosulphonate has strong depression effect to calcite and the depression effect decreased with the increase in pH. However, its depressive effect to scheelite is weak at pH 6–9. A concentrate with WO3 grade of 65.02%, and WO3 recovery of 79.64% was achieved in the flotation separation of mixed mineral, while calcium lignosulphonate was used. The reason is that the adsorption amount of calcium lignosulphonate on scheelite surface is far less than that of calcite according to adsorption tests. The interaction mechanism of calcite and CLS was studied by XPS and the results shows that the interaction between calcite and CLS were chemisorptions, and this interaction that SO3 group were involved hindered the absorption between Ol− and the Ca2+ on the surface of calcite, it also shows that a small amount of Ca(OH)2 was generated on the surface of calcite in the presence of CLS, the coefficient of these two mechanisms brings about the depression effect for calcite. Scheelite Calcite Calcium lignosulphonate Depression selectivity Guo, Wei verfasserin aut Peng, Jinxiu verfasserin aut Zhang, Wenpu verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 199, Seite 346-350 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:199 pages:346-350 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.11 Mechanische Verfahrenstechnik 58.13 Thermische Verfahrenstechnik AR 199 346-350
language	English
source	Enthalten in Separation and purification technology 199, Seite 346-350 volume:199 pages:346-350
sourceStr	Enthalten in Separation and purification technology 199, Seite 346-350 volume:199 pages:346-350
format_phy_str_mv	Article
bklname	Mechanische Verfahrenstechnik Thermische Verfahrenstechnik
institution	findex.gbv.de
topic_facet	Scheelite Calcite Calcium lignosulphonate Depression selectivity
dewey-raw	540
isfreeaccess_bool	false
container_title	Separation and purification technology
authorswithroles_txt_mv	Feng, Bo @@aut@@ Guo, Wei @@aut@@ Peng, Jinxiu @@aut@@ Zhang, Wenpu @@aut@@
publishDateDaySort_date	2018-01-01T00:00:00Z
hierarchy_top_id	320620123
dewey-sort	3540
id	ELV001772872
language_de	englisch
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To solve this problem, the role of calcium lignosulphonate (CLS) in the flotation separation of scheelite from calcite has been studied and the separation mechanism has been discussed. The micro-flotation tests show that calcium lignosulphonate has strong depression effect to calcite and the depression effect decreased with the increase in pH. However, its depressive effect to scheelite is weak at pH 6–9. A concentrate with WO3 grade of 65.02%, and WO3 recovery of 79.64% was achieved in the flotation separation of mixed mineral, while calcium lignosulphonate was used. The reason is that the adsorption amount of calcium lignosulphonate on scheelite surface is far less than that of calcite according to adsorption tests. 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author	Feng, Bo
spellingShingle	Feng, Bo ddc 540 bkl 58.11 bkl 58.13 misc Scheelite misc Calcite misc Calcium lignosulphonate misc Depression selectivity Separation of scheelite and calcite using calcium lignosulphonate as depressant
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topic_title	540 DE-600 58.11 bkl 58.13 bkl Separation of scheelite and calcite using calcium lignosulphonate as depressant Scheelite Calcite Calcium lignosulphonate Depression selectivity
topic	ddc 540 bkl 58.11 bkl 58.13 misc Scheelite misc Calcite misc Calcium lignosulphonate misc Depression selectivity
topic_unstemmed	ddc 540 bkl 58.11 bkl 58.13 misc Scheelite misc Calcite misc Calcium lignosulphonate misc Depression selectivity
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title	Separation of scheelite and calcite using calcium lignosulphonate as depressant
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title_full	Separation of scheelite and calcite using calcium lignosulphonate as depressant
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title_sort	separation of scheelite and calcite using calcium lignosulphonate as depressant
title_auth	Separation of scheelite and calcite using calcium lignosulphonate as depressant
abstract	The flotation separation of scheelite and calcite by froth flotation is difficulty as these two minerals have similar physicochemical characteristics. To solve this problem, the role of calcium lignosulphonate (CLS) in the flotation separation of scheelite from calcite has been studied and the separation mechanism has been discussed. The micro-flotation tests show that calcium lignosulphonate has strong depression effect to calcite and the depression effect decreased with the increase in pH. However, its depressive effect to scheelite is weak at pH 6–9. A concentrate with WO3 grade of 65.02%, and WO3 recovery of 79.64% was achieved in the flotation separation of mixed mineral, while calcium lignosulphonate was used. The reason is that the adsorption amount of calcium lignosulphonate on scheelite surface is far less than that of calcite according to adsorption tests. The interaction mechanism of calcite and CLS was studied by XPS and the results shows that the interaction between calcite and CLS were chemisorptions, and this interaction that SO3 group were involved hindered the absorption between Ol− and the Ca2+ on the surface of calcite, it also shows that a small amount of Ca(OH)2 was generated on the surface of calcite in the presence of CLS, the coefficient of these two mechanisms brings about the depression effect for calcite.
abstractGer	The flotation separation of scheelite and calcite by froth flotation is difficulty as these two minerals have similar physicochemical characteristics. To solve this problem, the role of calcium lignosulphonate (CLS) in the flotation separation of scheelite from calcite has been studied and the separation mechanism has been discussed. The micro-flotation tests show that calcium lignosulphonate has strong depression effect to calcite and the depression effect decreased with the increase in pH. However, its depressive effect to scheelite is weak at pH 6–9. A concentrate with WO3 grade of 65.02%, and WO3 recovery of 79.64% was achieved in the flotation separation of mixed mineral, while calcium lignosulphonate was used. The reason is that the adsorption amount of calcium lignosulphonate on scheelite surface is far less than that of calcite according to adsorption tests. The interaction mechanism of calcite and CLS was studied by XPS and the results shows that the interaction between calcite and CLS were chemisorptions, and this interaction that SO3 group were involved hindered the absorption between Ol− and the Ca2+ on the surface of calcite, it also shows that a small amount of Ca(OH)2 was generated on the surface of calcite in the presence of CLS, the coefficient of these two mechanisms brings about the depression effect for calcite.
abstract_unstemmed	The flotation separation of scheelite and calcite by froth flotation is difficulty as these two minerals have similar physicochemical characteristics. To solve this problem, the role of calcium lignosulphonate (CLS) in the flotation separation of scheelite from calcite has been studied and the separation mechanism has been discussed. The micro-flotation tests show that calcium lignosulphonate has strong depression effect to calcite and the depression effect decreased with the increase in pH. However, its depressive effect to scheelite is weak at pH 6–9. A concentrate with WO3 grade of 65.02%, and WO3 recovery of 79.64% was achieved in the flotation separation of mixed mineral, while calcium lignosulphonate was used. The reason is that the adsorption amount of calcium lignosulphonate on scheelite surface is far less than that of calcite according to adsorption tests. The interaction mechanism of calcite and CLS was studied by XPS and the results shows that the interaction between calcite and CLS were chemisorptions, and this interaction that SO3 group were involved hindered the absorption between Ol− and the Ca2+ on the surface of calcite, it also shows that a small amount of Ca(OH)2 was generated on the surface of calcite in the presence of CLS, the coefficient of these two mechanisms brings about the depression effect for calcite.
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title_short	Separation of scheelite and calcite using calcium lignosulphonate as depressant
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author2	Guo, Wei Peng, Jinxiu Zhang, Wenpu
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doi_str	10.1016/j.seppur.2018.02.009
up_date	2024-07-06T22:31:19.757Z
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Separation of scheelite and calcite using calcium lignosulphonate as depressant

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