Guangzhou Zhifan Chemical co.,ltd
Zhifan Chemical is a trading company in the chemical industry, with over 15 years of experience in supplying chemical raw materials. We have established a reputation for delivering high-quality products and providing excellent customer service to our clients all over the world. Our extensive knowledge of the chemical industry allows us to source the best products and offer competitive pricing to meet our customers' needs. We are committed to sustainable and responsible business practices and strive to continuously improve our services to exceed our clients' expectations. Trust Zhifan Chemical to be your reliable partner in the chemical industry.
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As a chemical trading company with a focus on raw materials, Zhifan Chemical firmly believes in the principles of honesty and cooperation for mutual benefit. Established in 2009, our warehouse boasts 5,000 square meters of space and a stock capacity of 3,000 tons, ensuring a steady supply to meet the needs of our valued customers. We take pride in providing high-quality products and services, while prioritizing ethical business practices to build long-term relationships with our clients. Our commitment to integrity and teamwork has established us as a trusted partner in the chemical industry. Come partner with us for a win-win situation.
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sodium sulfide 60
Sodium sulfide originated in China in the 1930s, when a chemical plant in Dalian, Liaoning Province began small-scale production. From the 1980s to the mid-1990s, with the vigorous development of the international chemical industry, China's sodium sulfide industry underwent a fundamental change, with a sharp increase in manufacturers and scale, and rapid development. The sodium sulfide production area centered on Yuncheng, Shanxi Province quickly expanded to more than 10 provinces, cities and regions including Yunnan, Xinjiang, Inner Mongolia, Gansu, Qinghai, Ningxia and Shaanxi. The national annual production capacity soared from 420,000 tons in the late 1980s to 640,000 tons in the mid-1990s. The fastest growing production is in Inner Mongolia, Gansu and Xinjiang in northwest China. Inner Mongolia's production capacity has reached 200,000 tons, making it China's largest sodium sulfide product production base.
Product application scope
In the dye industry, it is used to produce sulfur dyes, and is the raw material for sulfur cyan and sulfur blue. In the printing and dyeing industry, it is used as a dyeing aid to dissolve sulfur dyes. In the leather industry, it is used for hydrolysis to dehair raw hides, and is also used to prepare sodium polysulfide to accelerate the soaking and softening of dry hides. In the papermaking industry, it is used as a cooking agent for paper. In the textile industry, it is used for denitrification of artificial fibers and reduction of nitrates, and as a mordant for dyeing cotton fabrics.
Sodium sulfide can also be used to treat the conductive layer in direct electroplating. Sodium sulfide reacts with palladium to generate colloidal palladium sulfide to achieve the purpose of forming a good conductive layer on the non-metallic surface.
Isolate the leaked contaminated area and set up warning signs around it. Emergency response personnel should wear gas masks and chemical protective clothing. Do not directly contact the leaked material. Avoid dust, collect it with a clean shovel in a dry, clean and covered container, and transport it to a waste disposal site. You can also rinse it with a large amount of water and put the diluted washing liquid into the wastewater system. In case of large-scale leakage, collect and recycle it or dispose of it harmlessly.
The wastewater that causes sulfide pollution is mainly alkaline wastewater, which can be neutralized. During the neutralization stage, the pH decreases and some hydrogen sulfide will escape into the atmosphere. At the same time, the heat generated by the neutralization reaction will also increase the release rate of hydrogen sulfide. Hydrogen sulfide is released in large quantities in the air, which will pollute the air and disturb the public. The chlorination method can also be used to eliminate sulfide pollution, which is also one of the effective methods, but it requires a large amount of chlorine and is expensive. In addition, iron or non-toxic iron salts (such as iron sulfate, iron chloride, etc.) are added to the sulfide-contaminated wastewater. After 2 hours of aeration, active iron hydroxide is produced, and the sulfide can be removed in the form of iron sulfide precipitation. The wastewater with severe sulfide pollution can also be neutralized by flue gas first, and then treated by the activated sludge method.
Common Problem
Are your prices the lowest?
Our prices are market prices, but if you purchase more products, we can give you additional discounts, or you can communicate with our sales team about what price you think is reasonable.
Are you a factory or a trader?
As a trader, Zhifan will review and sample products from relevant factories before providing customers with different products to ensure high quality and good prices.
Do you provide free samples?
We can provide corresponding free samples, but you need to pay the transportation costs. At the same time, due to the requirements of some countries or express companies, we do not support the sending of powder or liquid samples. The details will depend on the product and country.
Is the packaging in English?
We have Chinese packaging and English packaging for you to choose from. Different brands have different packaging. If you have requirements for the brand, please tell our sales.
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