西台吉乃尔盐湖析钾老卤及冻卤25 ℃等温蒸发实验研究

doi:10.19964/j.issn.1006-4990.2021-0460

Abstract

Abstract:

In order to effectively utilize the boron and lithium in the old brine and frozen brine of West Taijinar Salt Lake，the isothermal evaporation of potassium?extracted and frozen potassium?extracted brine in West Taijinar Salt Lake was conducted.The chemical analysis and x-ray powder crystal diffraction methods were used to analysis the content and phase compositions of solid phase.The theoretical route of crystallization was analyzed using the metastable phase diagram of the quaternary system Li⁺，Mg²⁺∥Cl^-，SO₄^2-—H₂O at 25 ℃.The results indicated that the evaporation process of the potassium?extracted old brine mainly precipitated halite，carnallite，bischofite，starkeyite，lithium sulphate monohydrate.Lithium salt began to precipitate when Li⁺ was enriched to about 5.4 g/L，while there was still no obvious precipitation when boron was enriched to 46.73 g/L.High quality bischofite could be gained at the evaporation stage of old brine with pre?frozen，and the concentration of lithium ion was increased compared with the former，but the lithium sulphate monohydrate was still precipitated in final.The crystallization route was basically consistent with the metastable phase diagram law of the quaternary system Li⁺，Mg²⁺∥Cl^-，SO₄^2-—H₂O at 25 ℃.

Key words: West Taijinar Salt Lake, potassium?extracted old brine, isothermal evaporation, salting out laws

CLC Number:

TQ131.11

SU Jianjun,ZENG Ying,LI Longgang,QIN Jiazheng,YU Mingxiang,LIU He. Study on isothermal evaporation of potassium?extracted old brine and frozen brine in West Taijinar Salt Lake at 25 ℃[J]. Inorganic Chemicals Industry, 2022, 54(5): 84-89.

Figures/Tables 9

Table 1

Fig.1

Fig.2

Table 2

Table 3

Table 4

Table 5

Fig.3

Fig.4

References 11

1	唐发满，解安福，昝超，等.东、西台吉乃尔盐湖及一里坪盐湖卤水资源开发现状及对策研究［J］.化工矿物与加工，2020，49（2）：48-51，56.
	TANG Faman， XIE Anfu， ZAN Chao，et al.Research on development status and countermeasure of brine resources in East-West Ginair and Yiliping Salt Lake［J］.Industrial Minerals & Processing，2020，49（2）：48-51，56.
2	韩佳欢，乜贞，方朝合，等.中国锂资源供需现状分析［J］.无机盐工业，2021，53（12）：61-66.
	HAN Jiahuan， NIE Zhen， FANG Chaohe，et al.Analysis of existing circumstance of supply and demand on China's lithium resources［J］.Inorganic Chemicals Industry，2021，53（12）：61-66.
3	高世扬，柳大纲.大柴旦盐湖冬季组成卤水的天然蒸发［J］.盐湖研究，1996，4（S1）：87-91.
	GAO Shiyang， LIU Dagang.Solar evaporation of surface brine（in winter） of da chaidam salt lake［J］.Journal of Salt Lake Research，1996，4（S1）：87-91.
4	高世扬，柳大纲.大柴旦盐湖夏季组成卤水的天然蒸发（含硼海水型盐湖卤水的天然蒸发）［J］.盐湖研究，1996，4（S1）：73-86.
	GAO Shiyang， LIU Dagang.Solar evaporation of surface brine（in summer） of da chaidam salt lake［J］.Journal of Salt Lake Research，1996，4（S1）：73-86.
5	李陇岗，曾英，杨建元，等.东台吉乃尔盐湖冬季卤水25 ℃等温蒸发实验［J］.盐业与化工，2013，42（6）：21-24.
	LI Longgang， ZENG Ying， YANG Jianyuan，et al.25 ℃-isothermal evaporation experiment on winter brine from dongtaijinaier salt lake［J］.Journal of Salt and Chemical Industry，2013，42（6）：21-24.
6	唐发满，邓天龙，桑青山，等.东台吉乃尔盐湖夏季卤水25 ℃等温蒸发实验研究［J］.世界科技研究与发展，2012，34（4）：547-550.
	TANG Faman， DENG Tianlong， SANG Qingshan，et al.Isothermal evaporation study for summer brine in dongtaijinaier salt lake at 25 ℃［J］.World Sci-Tech RSD，2012，34（4）：547-550.
7	唐发满，杨红军，张生鹏，等.一里坪盐湖夏季卤水25 ℃等温蒸发［J］.无机盐工业，2021，53（10）：52-58.
	TANG Faman， YANG Hongjun， ZHANG Shengpeng，et al.Isothermal evaporation of summer brine of Yiliping salt lake at 25 ℃［J］.Inorganic Chemicals Industry，2021，53（10）：52-58.
8	毕思峰，崔香梅.一里坪盐湖卤水冷冻转化［J］.无机盐工业，2016，48（9）：26-29.
	BI Sifeng， CUI Xiangmei.Freezing conversion of brine in Yiliping salt lake［J］.Inorganic Chemicals Industry，2016，48（9）：26-29.
9	时历杰，王敏.柴达木盆地一里坪盐湖卤水水化学及夏季蒸发中钾、锂、硼行为［J］.湖泊科学，2019，31（2）：590-608.
	SHI Lijie， WANG Min.Hydrochemistry and behavior of K，Li and B in summer evaporation of Yiliping salt lake brine in Qaidam Basin［J］.Journal of Lake Sciences，2019，31（2）：590-608.
10	余明祥，谢云荣，任元成，等.西台吉乃尔盐湖卤水等温蒸发实验研究［J］.盐业与化工，2012，41（8）：7-10.
	YU Mingxiang， XIE Yunrong， REN Yuancheng，et al.Experimental study on isothermal evaporation with saline brine in west taijinar［J］.Journal of Salt and Chemical Industry，2012，41（8）：7-10.
11	郭智忠，刘子琴，陈敬清.Li⁺，Mg²⁺/Cl^-，SO₄ ^2--H₂O 四元体系（25 ℃）的介稳平衡［J］.化学学报，1991，49（10）：937-943.
	GUO Zhizhong， LIU Ziqin， CHEN Jingqing.The metastable phase equilibrium in the system Li⁺，Mg²⁺∥Cl^-，SO₄ ²—H₂O at 25 ℃［J］.Acta Chimica Sinica，1991，49（10）：937-943.

卤水	ρ（Li⁺）/（g·L^-1）	ρ（Na⁺）/（g·L^-1）	ρ（K⁺）/（g·L^-1）	ρ（Mg²⁺）/（g·L^-1）	ρ（Cl^-）/（g·L^-1）	ρ（SO₄^2-）/（g·L^-1）	ρ（ B₂O₃）/（g·L^-1）
老卤	1.836	6.122	4.180	106.05	286.62	45.77	7.32
冻卤	2.026	1.888	0.552	98.77	295.26	4.55	7.46

液相编号	密度/ （g·cm^-3）	液相中各物质的质量浓度/（g·L^-1）							相图指数
液相编号	密度/ （g·cm^-3）	Li⁺	Na⁺	K⁺	Mg²⁺	Cl^-	SO₄^2-	B₂O₃	J（Mg²⁺）/%	J（SO₄^2-）/%
L-0-0	1.339 1	1.836	6.122	4.180	106.05	286.62	45.77	7.32	97.05	11.00
L-0-1	1.348 6	1.852	4.742	2.968	106.80	292.64	46.45	7.67	97.06	10.82
L-0-2	1.373 1	2.286	2.293	0.871	126.28	332.74	52.17	9.45	96.92	10.49
L-0-3	1.366 7	2.406	2.061	0.569	122.96	339.49	35.21	10.46	96.68	7.18
L-0-4	1.366 3	2.539	1.769	0.697	121.76	335.75	32.29	10.68	96.48	6.69
L-0-5	1.368 3	2.878	1.686	0.697	123.02	335.47	38.06	12.73	96.06	7.80
L-0-6	1.366 8	3.162	1.628	0.594	121.15	330.22	35.22	14.01	95.63	7.36
L-0-7	1.372 7	3.893	1.764	0.792	121.15	333.83	33.27	15.01	94.68	6.92
L-0-8	1.371 3	4.479	1.632	0.629	122.06	341.90	35.09	16.86	93.96	7.10
L-0-9	1.371 3	5.015	1.368	0.551	118.87	337.26	34.82	19.16	93.11	7.13
L-0-10	1.376 0	5.436	1.484	0.690	119.43	339.08	37.85	21.12	92.61	7.67
L-0-11	1.372 7	5.272	0.539	0.673	118.87	334.83	38.06	24.94	92.80	7.77
L-0-12	1.383 6	5.278	1.439	0.732	120.26	334.11	36.06	31.52	92.86	7.44
L-0-13	1.387 1	5.112	1.390	0.810	120.98	333.53	34.87	36.29	93.11	7.22
L-0-14	1.390 8	5.163	1.286	0.591	122.25	334.72	35.23	43.42	93.12	7.26
L-0-15	1.394 0	5.266	1.500	0.820	122.99	335.32	35.04	46.73	93.02	7.22

固相编号	析出固相组分质量分数/%
固相编号	Li⁺	Na⁺	K⁺	Mg²⁺	Cl^-	SO₄^2-	B₂O₃
S-0-2	0.010	8.26	6.72	7.94	41.73	0.49	0.07
S-0-3	—	0.312	4.80	10.07	22.14	22.24	0.07
S-0-4	0.007	0.281	0.120	12.00	29.89	8.55	0.04
S-0-5	0.007	0.072	0.002	12.02	34.42	0.89	0.04
S-0-6	0.017	0.200	0.002	11.82	33.82	1.19	0.05
S-0-7	0.014	0.161	0.049	11.87	33.79	1.07	0.06
S-0-8	0.015	0.190	0.077	11.91	32.74	2.58	0.06
S-0-9	0.014	0.123	—	11.92	34.61	0.41	0.09
S-0-10	0.015	0.088	—	12.13	34.95	1.42	0.07
S-0-11	0.023	0.161	0.013	12.01	34.00	2.20	0.08
S-0-12	1.53	0.323	0.073	9.65	28.88	8.45	0.36
S-0-13	0.621	0.201	0.026	10.83	32.42	3.93	0.29
S-0-14	0.643	0.270	0.051	11.08	30.88	3.96	0.28
S-0-15	0.271	0.142	0.122	11.41	33.08	2.02	0.51

液相编号	密度/ （g·cm^-3）	液相组分质量浓度/（g·L^-1）							相图指数
液相编号	密度/ （g·cm^-3）	Li⁺	Na⁺	K⁺	Mg²⁺	Cl^-	SO₄^2-	B₂O₃	J（Mg²⁺）/%	J（SO₄^2-）/%
L-1-0	1.305 2	2.026	1.888	0.552	98.77	295.26	4.55	7.46	96.49	1.14
L-1-1	1.348 7	2.817	1.393	0.765	116.85	347.39	5.74	10.25	95.89	1.21
L-1-2	1.351 3	3.253	1.340	0.559	116.31	346.09	8.03	12.16	95.25	1.70
L-1-3	1.352 2	3.460	1.405	0.710	118.36	349.17	8.57	13.72	95.03	1.79
L-1-4	1.354 0	4.291	1.311	0.563	115.71	342.09	10.46	17.86	93.74	2.22
L-1-5	1.359 8	4.666	1.463	0.760	118.00	349.21	11.61	18.01	93.36	2.41
L-1-6	1.358 8	5.149	1.397	0.696	114.96	342.32	11.21	20.16	92.51	2.38
L-1-7	1.363 7	5.669	1.477	0.715	117.10	349.33	13.15	22.45	91.94	2.73
L-1-8	1.367 1	6.312	1.340	0.798	116.19	346.72	14.34	25.20	91.00	2.99
L-1-9	1.369 4	6.597	1.212	0.746	115.56	345.65	15.59	26.36	90.57	3.24
L-1-10	1.367 8	7.464	1.284	0.673	114.41	346.84	17.08	29.89	89.31	3.53
L-1-11	1.368 6	7.999	1.433	0.780	115.45	345.32	16.04	32.78	88.68	3.34
L-1-12	1.372 9	7.775	1.381	0.817	114.47	348.47	15.59	35.59	88.83	3.22
L-1-13	1.369 3	8.743	1.461	0.762	113.86	347.39	14.17	37.72	87.51	2.95
L-1-14	1.370 5	8.593	1.458	0.765	113.80	346.18	12.73	39.73	87.66	2.67

固相编号	析出固相组分质量分数/%
固相编号	Li⁺	Na⁺	K⁺	Mg²⁺	Cl^-	SO₄^2-	B₂O₃
S-1-3	0.010	0.141	0.012	11.87	35.18	0.08	0.06
S-1-4	0.015	0.183	0.025	11.73	34.50	0.04	0.07
S-1-5	0.020	0.252	0.069	11.69	34.59	0.10	0.10
S-1-6	0.025	0.403	0.018	11.58	34.69	0.04	0.09
S-1-7	0.020	0.330	0.173	11.64	34.72	0.07	0.09
S-1-8	0.023	0.111	0.011	11.75	34.54	0.07	0.11
S-1-9	0.023	0.140	0.140	11.76	34.87	-	0.12
S-1-10	0.043	0.261	0.066	11.77	35.10	0.02	0.15
S-1-11	0.242	0.120	0.011	11.49	33.73	1.68	0.16
S-1-12	0.251	0.202	0.071	11.49	34.23	2.04	0.14
S-1-13	0.530	0.150	0.125	11.00	33.45	2.95	0.30
S-1-14	0.270	0.165	0.151	11.46	34.22	1.65	0.28

National Inorganic Salts Information Center

Inorganic Acid-Base-Salt Committee of CIESC

Study on isothermal evaporation of potassium?extracted old brine and frozen brine in West Taijinar Salt Lake at 25 ℃

RichHTML

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

Figures/Tables 9

References 11

Related Articles 4

Metrics

Comments

Recommended 0

[1]	WANG Jiming, NIE Zhen, FAN Fu, GUO Tingfeng, HAN Jiahuan. Study on potassium and lithium resource loss in brine of West Taijinar Salt Lake and simulated evaporation process [J]. Inorganic Chemicals Industry, 2023, 55(5): 31-38.
[2]	PENG Yang,FENG Zhenhua,CHENG Ziyi,ZHOU Kun. Study on salting-out law of the underground brine in Dazhou area,East Sichuan through isothermal evaporation at 75 ℃ [J]. Inorganic Chemicals Industry, 2021, 53(12): 100-104.
[3]	Tang Faman,Yang Hongjun,Zhang Shengpeng,Wang Min. Isothermal evaporation of summer brine of Yiliping salt lake at 25 ℃ [J]. Inorganic Chemicals Industry, 2021, 53(10): 52-58.
[4]	ZHANG Xiu-Feng, TAN Xiu-Min, YI Yue-Jun, ZHANG Li-Zhen. Isothermal evaporation experiment at 50 ℃ on underground brine of Jiangling Depression [J]. INORGANICCHEMICALSINDUSTRY, 2016, 48(7): 10-.