海带漂烫水中碘的空气吹出法提取工艺研究

Abstract

Abstract: The air blow-out method was utilized to exact iodine from kelp blanching waste water and the experimental condi- tions，such as pH，temperature，and air flow，were optimized with 3 factors and 4 levels orthogonal tests to improve the iodine exaction rate.In addition，the effects of different oxidizers（NaNO2-H2O2，NaClO，and NaNO2） under the optimized conditions were investigated.Results showed that the optimum reaction conditions were pH of 2.0，temperature of 70 ℃，and air blow-in of 2 L/min.Under the optimized conditions，the exaction rate was up to 96.2%.There is no significant difference on the oxidizing effect among three oxidizers，and the exaction rate all could be up to 90%.Therefore，oxidizing agent′s kind had no obvious effect on the reaction.

Key words: kelp blanching water, iodine, blow-out, oxidation reaction

CLC Number:

TQ124.61

ZHANG Jia-Xing, YU Yue-Qin. Research of iodine extraction process by air blow-out method from kelp blanching waste water[J]. INORGANICCHEMICALSINDUSTRY, 2016, 48(5): 27-.

[1]	LUO Chengling, FAN Xiaofan. Research progress of microstructure-regulated catalysts for urea oxidation reactions [J]. Inorganic Chemicals Industry, 2025, 57(2): 26-35.
[2]	YUAN Changmei,GUO Jun,ZHANG Dan,ZHANG Taiwen. Synthesis，structure and catalytic oxidation performance of iodine ion of Cu-3-trz-PMo₁₂ [J]. Inorganic Chemicals Industry, 2022, 54(8): 145-150.
[3]	Feng Xiao,Guo Jun,Zhang Dan. Study on synthesis,structure and catalytic iodide oxidation of （C₅H₇N₂O₂）₄（SiMo₁₂O₄₀） [J]. Inorganic Chemicals Industry, 2021, 53(9): 109-113.
[4]	Li Yulu,Zhou Fei,Yang Ping,Feng Junqiang,Huang Deming,Lin Qian. Study on decomposition rate of phosphorus pentoxide and migration distribution of associated iodine in acidolysis process of calcinating phosphate concentrate ore with nitric acid [J]. Inorganic Chemicals Industry, 2021, 53(4): 38-42.
[5]	Jiao Shuai,Yi Shouzhi,Zhang Hongling,Chen Huixia,Cheng Xichuan,Zhang Lichang,Xu Hongbin. Effect of reaction condition and aging process on the oxidation rate of chromium hydroxide [J]. Inorganic Chemicals Industry, 2021, 53(10): 59-63.
[6]	Yu Lijuan,Li Guangyi,Yuan Yuxia,Yan Xiuzheng. Uncertainty evaluation in determination of iodine content in brine by volumetric method [J]. Inorganic Chemicals Industry, 2020, 52(8): 84-87.
[7]	Yang Ping,Yang Lin,Feng Yang,Lin Qian,Cao Jianxin. Migration and distribution of iodine in process of decomposing phosphate ore by nitric acid [J]. Inorganic Chemicals Industry, 2020, 52(4): 53-56.
[8]	SONG Xi-Gao. New technology of refining iodine under recycle of phosphorite and application thereof [J]. INORGANICCHEMICALSINDUSTRY, 2016, 48(10): 11-.
[9]	HUANG Li-Na, HOU Guang-Sheng, LI Bao-Shan. Study on oxidation of iodine ion in nature brine [J]. INORGANICCHEMICALSINDUSTRY, 2016, 48(1): 28-.
[10]	YAN Shao-Peng, MIAO Jun-Kui, JIANG Peng, LENG Kai-Liang, SUN Wei-Hong, XING Li-Hong, YU Yue-Qin. Study on new oxidation process for iodine ion in kelp soaking liquid [J]. INORGANICCHEMICALSINDUSTRY, 2014, 46(7): 27-.
[11]	SONG Xi-Gao. Present development situation of China′s iodine industry [J]. INORGANICCHEMICALSINDUSTRY, 2014, 46(3): 9-.
[12]	YANG Yue-Hua, LUO Ru-Yi. Recycling of iodine from wet-process phosphoric acid [J]. INORGANICCHEMICALSINDUSTRY, 2013, 45(1): 8-.
[13]	Miao Junkui;Leng Kailiang;Xu Yang;Sun Weihong;Xing Lihong. Recovery of residue iodine in iodine production effluent of[JZ]kelp chemical industry by active carbon adsorption method [J]. INORGANICCHEMICALSINDUSTRY, 2010, 0(10): 0-0.
[14]	Hu Hong;Xie Tian;Wang Jingfeng;Yang Sanke;Tang deyuan. Study on recovery iodine from wet-process phosphoric acid by solvent flotation [J]. INORGANICCHEMICALSINDUSTRY, 2008, 0(3): 0-0.
[15]	Wang Jinggang;Feng Lijuan;Xiang Zhanchang;Han Xinxin;Li Xianguo. Advance in extraction of iodine [J]. INORGANICCHEMICALSINDUSTRY, 2008, 0(11): 0-0.

National Inorganic Salts Information Center

Inorganic Acid-Base-Salt Committee of CIESC

Research of iodine extraction process by air blow-out method from kelp blanching waste water

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Metrics

Comments

Recommended 0