Recently, it was learned that China's stone industry has added a new army. The first batch of projects in China's Yunfu International Stone Industry City, built by Beijing North Investment Group, has taken shape. A 12-function area covering “International Stone Exhibition Center, Stone Slab Display Area, Stone Finished Product Display Area, Stone Boutique Brand Area, etc., 2 million square meters of the world's largest and world-class stone trading market is emerging from Yunfu Yuncheng is surrounded by mountains and rivers, with floating flowers and grasses, stone and light, and stone show. It is located on the south bank of the Xijiang River in Guangdong Province. It has a history of 400 years and connects Yunhe, the western part of the Pearl River Delta and the important southwestern important passage. Joining hands with Beijing North Investment Group to speed up the construction of China·Yunfu International Stone Industry City, and gather more than 4,000 stone manufacturers to make Yunfu Stone into the 100 billion industrial stone trading market, the world-renowned stone procurement center, and promote it to the international market. The market will realize the comprehensive transformation and upgrading of Yunfu Stone Industry. It is no longer a rumor that Yunfu wants to take off an industry and prosper a city. Yiwu has started from small commodities and created a “China Commodity Industry Center†and “ World Business Card of the World's Commodity Capital; Shunde's "World Furniture Industry Center"; Humen's “China's clothing capital†and so on. Guangdong Yunfu Stone has experienced four hundred years of history, forming a heavy industrial heritage, profound and profound, and has become one of the largest stone industry clusters in China, only on the 324 National Road. More than 4,000 stone enterprises. Yunfu stone practitioners nearly 200,000, the products cover 13 series of 23 categories of more than a thousand varieties of colors. Among them, stone cutting and water knife parquet, stone carving stone carving, craft processing and other technical processes are the world's only collar Coquettish, far more than other domestic stone producing areas and industrial gathering areas. Yunfusu is famous for its “stoneâ€, and now it is taking advantage of the wind, combing its own industrial development road, integrating and upgrading industrial resources, innovating industrial brands, seizing opportunities and seeking stone. A new breakthrough in the industry. The project of China·Yunfu International Stone Industry City is located in the core area of ​​Yunfu Stone Industry, the famous stone town in China – the resident of Silao Town, Yunfu City. The total project area is 3,000 mu, and the total investment amount is up to 5 billion yuan. Planning and construction of "International Stone Exhibition Center, Yunfu Stone Museum, Stone Industry Culture Square, 12 major functional areas such as material display area, stone processing area, stone large board display area, stone finished product display area, stone boutique brand area, logistics storage area, accessory supporting area, creative research and development center, comprehensive business area, etc. Base, do first-class trading market, 12 major divisions, and achieve comprehensive upgrading of the industrial chain. The first phase of the project is planned to be completed in 2013. The market is dedicated to stone display and stone trading, and will further promote stone product design and raw material procurement. The development of all aspects of warehousing and transportation, order processing and wholesale management. Through the rational distribution of spatial resources and the organic connection of regional functions, the effective integration of the stone industry chain and the improvement of the efficiency of various enterprises will be promoted. Above the home, we strive to achieve a total of 100 billion yuan in stone trade in Yunfu. With the strong support of the 100 billion industrial market, more than 4,000 companies have joined forces to go to the industrial development and accelerate the take-off of the Yunfu stone industry. In the north, in 2011, China's industrial transformation and upgrading professional investment operator - Beijing North Investment Group invested 5 billion yuan, and together with Yunfu Municipal Party Committee and Municipal Government to create 3,000 acres of China·Yunfu International Stone Industry City for Yunfu The various drawbacks of the development of the stone industry, the comprehensive optimization and development of hardware and software, blowing the Yunfu stone assembly number, creating a new era of Yunfu stone industry history. Founded in 1991 and headquartered in Haidian District, Beijing, Beijing North Investment Group, which is mainly engaged in transportation industry services, education industry investment, and industrial upgrading investment operations, is a well-known enterprise in the domestic industrial upgrading investment and operation field. The North Hawker, the passionate and daring to take responsibility, and the prosperity of China, create a sense of responsibility for Acer's great cause, for many years, in Beijing, Henan, Chongqing, Yunnan, Hubei, Jiangxi and other places have their own figure, and long-term The transformation and upgrading of the investment industry has accumulated rich experience and effectively promoted the local economic and social development by leaps and bounds. 5 billion Hao Li, falling to Lingnan Yunfu Duan. Beijing North Investment Group has invested 5 billion yuan to build China Yunfu International Stone Industry City, which has caused strong shocks in the domestic and foreign stone industry and became one of the major events in the development of China's stone industry in 2012. At present, the project has become a key construction project in Guangdong Province in 2012. Through the joint efforts of Beijing North Investment Group and Yunfu Municipal Party Committee and the government, the 2 million square meters stone trading market will promote Yunfu Stone according to the pattern of large industrial clusters. The industry has been comprehensively upgraded to build a 100 billion industry of Yunfu Stone, which has made Yunfu develop into a world-renowned stone trading center and a one-stop market procurement base. Based on Yunfu, the development status of the traditional Yunfu stone industry in “Guangdong Shi†is characterized by “inferior structure, single function, poor image and separate dispersionâ€. The township economic pattern of independent workshop-style operation, low concentration, brand awareness Not strong, foreign merchants are difficult to purchase stone, but also face the problems of individualized management and extensive management. These have seriously hindered the development of the stone industry, and the economic benefits of enterprises have improved and the transformation and upgrading of Yunfu Stone cannot be delayed. China·Yunfu International Stone Industry City's 3,000-acre large-scale industrial planning pattern, innovating and breaking through the historical development model of Yunfu's original “road economyâ€, changing the production and operation mode of the single-family single-family in the past, and letting the stone enter the “market†from “road†Subdivide the stone industry chain, upgrade the innovative industry marketing promotion concept, actively carry out the integration and optimization of stone resources, completely reverse the original stone industry development pattern, give full play to the superior resources of Yunfu Stone, and realize the double value of Yunfu Stone's output value and market competitiveness. The construction of China·Yunfu International Stone Industry City has further strengthened the development trend of Yunfu Stone Industry Cluster, and the number, scale and quality of stone industry clusters have been further improved, and formed a synergy to promote the development of Guangdong stone industry. On this basis, the development model of the stone trading market introduced by China·Yunfu International Stone Industry City also set off the space revolution and sales revolution of Yunfu Stone, which promoted the standardization, rigor and authority of Yunfu Stone brand, and the new “composite†The stone market and the one-stop industrial development chain will also drive the sales and sales of Yunfu Stone Enterprise and the substantial improvement of the economic benefits of the company. On behalf of the Guangdong market enterprises, they will lead the show in other domestic stone producing areas and become the world's largest and best-developed stone. market place. In addition, China·Yunfu International Stone Industry City can also promote the development of related industries such as logistics and transportation, machinery maintenance, construction and installation, professional nursing, etc. in the surrounding cities, providing more employment and entrepreneurial opportunities, and the development of the entire Yunfu and even Guangdong regional economy. It will play a larger role. At present, Yunfu is setting off a climax to build a 100 billion stone industry. The construction of China·Yunfu International Stone Industry City is becoming an important fulcrum and carrier for the development of Guangdong and Yunfu stone industry. The project plays a key role in driving the development of the entire industry. With the acceleration of market construction progress, many stone enterprises are gathering together to develop together. Yunfu Stone is based in Guangdong, focusing on the world, proclaiming its industrial influence and appeal, and casting the right to speak in the world stone industry. The Chinese stone industry will also be Yunfu welcomes to take off again and realize the dream of dominating the global stone market.
1. Cobalt oxide: usually cobalt oxalate or cobalt carbonate as raw materials calcined at 500-600 ℃ cobalt oxide, the main reaction is as follows:
CoC2O4 == CoO + CO + CO2; CoCO3 == CoO + CO2
2. Cobalt hydroxide: It can usually be neutralized with sodium hydroxide solution in cobalt chloride solution or cobalt sulfate solution. The main reactions are as follows:
Co2 ++ 2OH - == Co (OH) 2 Co (OH) 2 + O2 + 2H2O == 4Co (OH) 3
3. Cobalt chloride: usually available cobalt powder with dilute hydrochloric acid into cobalt chloride solution, and then crystallized by evaporation of cobalt chloride crystals, the main reaction is as follows: Co + HCl --- COCl2; Co + H2SO4 --- COSO4
4. Cobalt sulfate: usually cobalt oxide as raw material, dissolved in sulfuric acid after evaporation crystallization of pink cobalt sulfate crystals, the main reaction is as follows: CoO + H2SO4 == CoSO4 + H2O
5. Cobalt carbonate: It can usually be obtained by precipitation with sodium carbonate solution in cobalt chloride solution or cobalt sulfate solution. The main reactions are as follows:
CoCl2 + Na2CO3 == CoCO3 + 2NaCl
6. Cobalt oxalate: It can usually be precipitated with ammonium oxalate solution in cobalt chloride solution or cobalt sulfate solution. The main reactions are as follows:
(NH4) 2C2O4 + CoCl2 == CoC2O4 + 2NH4Cl
7. Oxidation of high cobalt: cobalt carbonate or cobalt oxalate can usually be heated in oxygen, further oxidation obtained, the main reaction is as follows:
3CoCO3 + O2 ==== Co2O3 ++ CO2; CoC2O4 + O2 ==== Co2O3 + CO2 + CO
8. Cobalt Hydroxide: 4Co (OH) 2 + O2 + 2H2O === 4Co (OH) 3; 2Co (OH) 2 + NaClO + H2O == 2Co (OH) 3 +
2Co (OH) 3 + 6HCl == 2CoCl2 + Cl2 + 6H2O
Cobalt Compounds
Cobalt Compounds,Spinel Compounds,Multi-Functional Electrolytic Copper,High-Volume Electrolytic Copper
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