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1. 发明公开

EP2666753A2 A method for preparing barium carbonate and the product obtained by the method 审中-公开
标题翻译： Verfahren zur Herstellung von Bariumcarbonat und dadurch erhaltenes Produkt
公开(公告)号：EP2666753A2
公开(公告)日：2013-11-27
申请号：EP12189505.6
申请日：2012-10-23
申请人： Guizhou Redstar Developing Co., Ltd. , Shenzhen Haoyitong Investment And Development Co., Ltd.
发明人： Jiang, Zhiguang , Hua, Dong , Wu, Fei
IPC分类号： C01F11/18
CPC分类号： C01F11/188 , C01P2006/12 , Y10T428/2982
摘要： The present invention relates to a method for preparing barium carbonate and the barium carbonate product obtained by the method. The method for preparing barium carbonate comprises: (1) Adding barium hydroxide octahydrate crystal into the ice-water bath and mixing them, and controlling the temperature to be within 0∼5°C; (2) Introducing carbon dioxide into the mixture obtained from the step (1), till pH value of the reaction solution reaches 6.0-7.0; (3) Carrying out solid-liquid separation for the solid-liquid mixture obtained from the step (2), drying the obtained solid so as to obtain barium carbonate product. The present invention method solves the problem in the prior art that the character of low strontium and the character of large specific surface area cannot co-exist, which makes the property of barium carbonate product can not affect the sintering temperature, and thus the property material is improved.
摘要翻译：本发明涉及一种制备碳酸钡的方法和通过该方法获得的碳酸钡产品。制备碳酸钡的方法包括：（1）将氢氧化钡八水合物晶体加入到冰水浴中并混合，并将温度控制在0℃以内; （2）向步骤（1）得到的混合物中引入二氧化碳，直到反应溶液的pH值达到6.0〜7.0; （3）对由步骤（2）获得的固液混合物进行固液分离，干燥得到的固体，得到碳酸钡产品。本发明的方法解决了现有技术中低锶的特性和比表面积大的特征不能共存的问题，这使得碳酸钡产品的性能不会影响烧结温度，因此其性能材料改进了

2. 发明公开

EP2487137A1 METHOD FOR PREPARING MANGANESE SULFATE MONOHYDRATE BY DESULFURIZING FUME WITH MIDDLE-LOW GRADE MANGANESE DIOXIDE ORE 有权
标题翻译：用于生产硫酸锰脱硫RAUCHS由甲MANGANDIOXIDERZ MEDIUM-低三档
公开(公告)号：EP2487137A1
公开(公告)日：2012-08-15
申请号：EP10821565.8
申请日：2010-07-20
申请人： Guizhou Redstar Developing Co., Ltd. , Shenzhen Haoyitong Investment And Development Co., Ltd. , Beijing Maxqueen Technology Co., Ltd.
发明人： JIANG, Zhiguang , HUA, Dong , WU, Fei
IPC分类号： C01G45/10 , B01D53/80 , B01D53/50
CPC分类号： C01G45/10 , B01D53/50 , B01D53/80 , B01D2251/60
摘要： Provided is a method for preparing manganese sulfate monohydrate by desulfurizing fume with middle-low grade manganese dioxide ore, which comprises: preparing a slurry by using middle-low grade manganese dioxide ore powder, first putting sulfur-containing fume in an absorbing device and controlling gas velocity and gas-liquid ratio, and then adding manganese dioxide slurry and controlling the slurry to backwards flow relative to the sulfur-containing fume, discharging the desulfurized fume from the absorbing device, pressure-filtering and separating the slurry discharged from the absorbing device, recycling the mother liquor to the absorbing device, and continuing the recycling operation until the manganese sulfate in the mother liquor is >=200g/l, agitating and washing the obtained filter cake at 60-70°C, adjusting pH value of the clear solution obtained by pressure-filtering and separating to 2-4, adding manganese sulfide under agitation at 25-95 °C, and filtering and removing impurities, continuing agitating, pressure-filtering and separating, vaporizing the obtained clear filtrate, and obtaining manganese sulfate monohydrate after drying in the air stream. Desulfurizing efficiency is improved, the production cost of manganese sulfate is reduced, the recycling rate of total manganese is improved, and the valuable metals are recycled in high efficiency.
摘要翻译：提供了一种用于通过脱硫烟与中等低级二氧化锰矿，包括制备一水合硫酸锰的方法：通过使用中等低级二氧化锰粉矿，第一推杆含硫烟气在吸收装置和控制制备浆料气体速度和气体 - 液体比，再加入二氧化锰浆液和控制浆料倒流相对于含硫硅粉，排出从吸收设备，压力过滤脱硫烟和分离从吸收装置中排出的淤浆，将母液再循环而到吸收装置，并继续循环操作，直到硫酸锰在母液中是> = 200克/升，搅拌并洗涤，在60-70℃下获得的滤饼，调整清晰的pH值溶液通过加压过滤获得和分离至2-4，在25-95℃下添加在搅拌下的硫化锰，和过滤和除去IMPU rities，持续搅拌，压力过滤和分离，蒸发获得澄清的滤液，并在空气流中干燥后，获得一水合硫酸锰。脱硫效率提高，硫酸锰的生产成本降低，总锰的再循环率提高，有价值的金属循环到高效率。

3. 发明授权

EP2487137B1 METHOD FOR PREPARING MANGANESE SULFATE MONOHYDRATE BY DESULFURIZING FUME WITH MIDDLE-LOW GRADE MANGANESE DIOXIDE ORE 有权
标题翻译：用于生产硫酸锰脱硫RAUCHS由甲MANGANDIOXIDERZ MEDIUM-低三档
公开(公告)号：EP2487137B1
公开(公告)日：2015-03-25
申请号：EP10821565.8
申请日：2010-07-20
申请人： Guizhou Redstar Developing Co., Ltd.
发明人： JIANG, Zhiguang , HUA, Dong , WU, Fei
IPC分类号： C01G45/10 , B01D53/80 , B01D53/50
CPC分类号： C01G45/10 , B01D53/50 , B01D53/80 , B01D2251/60

4. 发明公开

EP2644569A1 Method for producing high-purity barium chloride with low strontium and high-purity barium chloride with low strontium 审中-公开
标题翻译：一种用于与小锶和钡的高纯度很少锶生产高纯度氯化钡方法
公开(公告)号：EP2644569A1
公开(公告)日：2013-10-02
申请号：EP12182607.7
申请日：2012-08-31
申请人： Guizhou Redstar Developing Co., Ltd. , Shenzhen Haoyitong Investment And Development Co., Ltd.
发明人： Jiang, Zhiguang , Hua, Dong , Liu, Xiangyu
IPC分类号： C01F11/28 , C01F11/32
CPC分类号： C01F11/28 , C01F11/32 , C01P2006/80
摘要： The present invention provides a method for producing high-purity barium chloride with low strontium and high-purity barium chloride with low strontium. The method comprises following processes: reacting: adding barium carbonate and hydrochloric acid into acid-resistant reactor under agitation to carry out reaction, keeping temperature at 55-60°C, controlling the reaction so as to make pH value of reaction solution at endpoin in a range of 3.5-4.0, after completing reaction, separating solid from liquid to obtain clear filtration containing barium chloride as liquid phase; adjusting process by excess acid: adding the clear filtration containing barium chloride obtained by separation into acid-resistant reactor, adding hydrochloric acid slowly under agitation, controlling [H + ] at 2.0-6.0mol/L, cooling the solution until the temperature of the solution is lower than 35°C, then separating solid from liquid, obtaining barium chloride crystal as solid phase; dissolving and removing impurities: dissolving the obtained barium chloride crystal with water to prepare saturated solution at a temperature of 80-90°C, adding hydrogen peroxide, heating the solution to slightly boil, then neutralizing the solution with barium hydroxide to pH 7.0-7.5, separating solid from liquid, obtaining barium chloride-containing solution as liquid phase; and separating and drying: transferring the obtained liquid phase into cooling crystallizer, cooling slowly to 38-42°C, then separating solid from liquid, and drying the obtained solid to obtain the barium chloride product. The purity of high-purity barium chloride with low strontium obtained by the method is equal to 99.60% or more, and Sr content is lower than 10ppm.
摘要翻译：本发明提供一种生产高纯度氯化钡低锶和高纯度氯化钡低锶的方法。该方法包括以下工序：使：将碳酸钡和盐酸成耐酸反应器在搅拌下进行反应，将温度保持在55-60℃，控制反应以使反应溶液的pH值在endpoin在的范围3.5-4.0，完成反应，从液体中分离固体后，获得澄清过滤含氯化钡作为液相; 调节由过量的酸处理：添加透亮过滤含氯化钡通过分离而获得的成耐酸反应器中，在搅拌下缓慢加入盐酸，在2.0-6.0mol / L控制[H +]，冷却该溶液，直到的温度溶液低于35℃，然后分离液体中的固体，获得氯化钡晶体作为固相; 溶解并除去杂质：与水获得在80-90℃的温度下制备饱和溶液中的氯化钡晶体溶解，加入过氧化氢，将溶液加热至轻微沸腾，然后用氢氧化钡溶液中和至pH 7.0-7.5 ，固液分离，获得含氯化物的钡溶液作为液相; 以及分离和干燥：传递环所获得的液体相进入冷却结晶，慢慢冷却至38-42℃，然后从液体中分离固体，并干燥得到的固体，得到氯化钡产物。的高纯度的氯化钡低锶通过该方法获得的纯度为等于99.60％或更高，和Sr含量低于10ppm的低。

5. 发明公开

EP2557067A1 METHOD FOR PREPARING MANGANESE SULFATE MONOHYDRATE 有权
标题翻译：制备硫酸锰一水合物的方法
公开(公告)号：EP2557067A1
公开(公告)日：2013-02-13
申请号：EP10848733.1
申请日：2010-07-20
申请人： Guizhou Redstar Developing Co., Ltd.
发明人： JIANG, Zhiguang , HUA, Dong
IPC分类号： C01G45/10
CPC分类号： C01G45/10
摘要： Provided is a method for preparing manganese sulfate monohydrate, which comprises the following steps: (1) reacting MnO with (NH 4 ) 2 SO 4 solution under heat, and separating solid from liquid after reaction; 2) determining the concentration of MnSO 4 in the resulting solution of step 1), adding equimolar ammonium sulfide solution thereto to carry out reaction under agitation, separating solid from liquid after reaction, and then washing solid phase; 3) dissolving the solid phase with concentrated sulfuric acid, adding hydrogen peroxide to the obtained solution, heating to boiling, adjusting the pH value of the solution to 5-6, removing the solid phase through precise filtration, evaporating and oven drying the filtrate to obtain MnSO 4 •H 2 O product. The impurities are separated away and the amount of byproducts is reduced by this method, and the yield of manganese sulfate monohydrate is improved.
摘要翻译：本发明提供一种制备硫酸锰一水合物的方法，包括以下步骤：（1）将MnO与（NH4）2SO4溶液加热反应，反应后将固体与液体分离; 2）测定步骤1）所得溶液中MnSO4的浓度，加入等摩尔硫化铵溶液搅拌反应，反应后将固体与液体分离，然后洗涤固相; 3）用浓硫酸溶解固相，向得到的溶液中加入过氧化氢，加热至沸腾，调节溶液的pH值至5-6，精密过滤除去固相，蒸发并烘干滤液至获得MnSO4•H2O产品。通过该方法杂质被分离并且副产物的量被减少，并且硫酸锰一水合物的产率得到改善。

6. 发明授权

EP2554519B1 METHOD FOR PREPARING MANGANESE SULFATE MONOHYDRATE 有权
标题翻译：制备硫酸锰一水合物的方法
公开(公告)号：EP2554519B1
公开(公告)日：2014-05-21
申请号：EP10848732.3
申请日：2010-07-20
申请人： Guizhou Redstar Developing Co., Ltd. , Beijing Maxqueen Technology Co., Ltd.
发明人： JIANG, Zhiguang , HUA, Dong
IPC分类号： C01G45/10
CPC分类号： C01G45/10 , C01P2006/80

7. 发明公开

EP2554519A1 METHOD FOR PREPARING MANGANESE SULFATE MONOHYDRATE 有权
标题翻译： VERFAHREN ZUR HERSTELLUNG VON MANGANSULFATMONOHYDRAT
公开(公告)号：EP2554519A1
公开(公告)日：2013-02-06
申请号：EP10848732.3
申请日：2010-07-20
申请人： Guizhou Redstar Developing Co., Ltd. , Beijing Maxqueen Technology Co., Ltd.
发明人： JIANG, Zhiguang , HUA, Dong
IPC分类号： C01G45/10
CPC分类号： C01G45/10 , C01P2006/80
摘要： Provided is a method for preparing manganese sulfate monohydrate, which comprises the following steps: (1) adding equimolar BaS or SrS solution into manganese sulfate solution to carry out reaction fully, and separating and washing the obtained solid; (2) mixing the solid with deionized water to prepare a slurry, dissolving the slurry with concentrated sulfuric acid, and separating solid from liquid to obtain MnSO 4 solution; (3) adding proper amount of hydrogen peroxide to the MnSO 4 solution, heating to boiling, adjusting the pH value of the solution within 5-6, evaporation the filtrate after a precise filtration, and crystallizing and drying to obtain MnSO 4 H 2 O product. Manganese sulfate monohydrate can be produced at high yield in a cost-efficient manner by this method.
摘要翻译：提供了一种制备硫酸锰一水合物的方法，其包括以下步骤：（1）将等摩尔BaS或SrS溶液加入硫酸锰溶液中进行充分反应，分离和洗涤所得固体; （2）将固体与去离子水混合以制备浆料，用浓硫酸溶解浆料，并从液体中分离固体得到MnSO 4溶液; （3）向MnSO 4溶液中加入适量的过氧化氢，加热至沸腾，将溶液的pH值调节至5-6，精确过滤后蒸发滤液，结晶并干燥得到MnSO 4 H 2 O 产品。通过该方法，可以高成本高效率地生产硫酸锰一水合物。

8. 发明授权

EP2557067B1 METHOD FOR PREPARING MANGANESE SULFATE MONOHYDRATE 有权
标题翻译：用于生产硫酸锰一水合物
公开(公告)号：EP2557067B1
公开(公告)日：2014-04-16
申请号：EP10848733.1
申请日：2010-07-20
申请人： Guizhou Redstar Developing Co., Ltd.
发明人： JIANG, Zhiguang , HUA, Dong
IPC分类号： C01G45/10
CPC分类号： C01G45/10

9. 发明公开

EP2666753A3 A method for preparing barium carbonate and the product obtained by the method 审中-公开
标题翻译：一种用于生产碳酸钡过程，及由此获得的产物
公开(公告)号：EP2666753A3
公开(公告)日：2014-01-15
申请号：EP12189505.6
申请日：2012-10-23
申请人： Guizhou Redstar Developing Co., Ltd. , Shenzhen Haoyitong Investment And Development Co., Ltd.
发明人： Jiang, Zhiguang , Hua, Dong , Wu, Fei
IPC分类号： C01F11/18
CPC分类号： C01F11/188 , C01P2006/12 , Y10T428/2982
摘要： The present invention relates to a method for preparing barium carbonate and the barium carbonate product obtained by the method. The method for preparing barium carbonate comprises: (1) Adding barium hydroxide octahydrate crystal into the ice-water bath and mixing them, and controlling the temperature to be within 0∼5°C; (2) Introducing carbon dioxide into the mixture obtained from the step (1), till pH value of the reaction solution reaches 6.0-7.0; (3) Carrying out solid-liquid separation for the solid-liquid mixture obtained from the step (2), drying the obtained solid so as to obtain barium carbonate product. The present invention method solves the problem in the prior art that the character of low strontium and the character of large specific surface area cannot co-exist, which makes the property of barium carbonate product can not affect the sintering temperature, and thus the property material is improved.

10. 发明公开

EP2455341A1 METHOD FOR PREPARING MANGANESE SULFATE 审中-公开
标题翻译： VERFAHREN ZUR HERSTELLUNG VON MANGANSULFAT
公开(公告)号：EP2455341A1
公开(公告)日：2012-05-23
申请号：EP10799405.5
申请日：2010-06-13
申请人： Guizhou Redstar Developing Co., Ltd. , Shenzhen Haoyitong Investment And Development Co., Ltd.
发明人： JIANG, Zhiguang , HUA, Dong
IPC分类号： C01G45/10
CPC分类号： C01G45/10 , C01G45/02 , C01P2006/80
摘要： Provided is a method for preparing manganese sulfate, which comprises the following steps: adding sulfide with reducing ability to manganese dioxide ore by quantification according to the reaction molar ratio to fully react, determining the end-point of reaction, and then separating and washing solid product; reacting the solid product with 9-12mol/L H 2 SO 4 , controlling the end-point of reaction to pH 3-5, keeping the MnSO 4 concentration in the reaction liquid within the range of 300 - 400g/L, and then separating solid from liquid after reaction; and using H 2 SO 4 to acidify the separated solution until the pH value of the solution is 2-3, adding hydrogen peroxide and heating, finely filtering to remove solid phase, and then vaporizing, condensing, crystallizing and dewatering the filtered liquid to obtain manganese sulfate. The method enables a plurality of heavy metals to be converted into indissoluble sulfides while obtaining manganous compounds that are dissoluble in acid. At the same time, manganese sulfate low in calcium, magnesium and heavy metals is obtained.
摘要翻译：本发明提供硫酸锰的制备方法，其特征在于，通过根据反应摩尔比定量添加二氧化锰矿还原能的硫化物进行充分反应，确定反应终点，然后分离洗涤固体产品; 使固体产物与9-12mol / LH 2 SO 4反应，控制反应终点为pH 3-5，使反应液中的MnSO 4浓度保持在300-400g / L范围内，然后分离固体反应后液体; 并使用H 2 SO 4将分离的溶液酸化直至溶液的pH值为2-3，加入过氧化氢并加热，精细过滤除去固相，然后蒸发，冷凝，结晶和脱水过滤液体，得到硫酸锰。该方法能够将多种重金属转化为不溶性硫化物，同时获得可溶于酸的二价锰化合物。同时，获得了低钙，镁和重金属的硫酸锰。

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