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Use scheme of polyacrylamide flocculant for slaughterhouse wastewater treatment
Every city we live in has a slaughterhouse, the wastewater produced by the slaughterhouse is difficult to centralized treatment, the concentration changes greatly, the treatment is not qualitative and the process requirements are high, the following and small make up to ...Read more -
Determination of sodium hydrogen sulfide ash sample burning into a residue
When burning, the inorganic impurities in the sample are relatively stable (such as sodium chloride, potassium chloride, sodium sulfate, etc.), if not due to burning and evaporation, this method can be used to determine the ash in the sample. [Determination Method] Put t...Read more -
Introduction to the function of chemical instrument for sodium hydrogen sulfide production
Physical quantities such as fluid flow, temperature, pressure and liquid level are the important parameters of chemical production and experiment, and controlling the value of these physical quantities is an important means to control chemical production and experimental...Read more -
New Product Sodium sulfide liquid
At present, with the diversification of products, NA2S is widely used in all walks of life, now most of the market is a solid sheet of sodium sulfide 50-60% is not easy to store, dissolved into a black solution, containing impurities, manual delivery is not standard and ...Read more -
Polyacrylamide for wastewater treatment
Mineral is very rich, it also makes a lot of minerals in our country, in the process of mineral processing will use a lot of water for mineral processing, mineral development also produced a lot of wastewater, as we pay more and more attention to the environment and wate...Read more -
Polyacrylamide for printing and dyeing sewage treatment agent
Printing and dyeing is a processing step in the textile industry, printing and dyeing in ancient China has a certain prototype, the traditional printing and dyeing technology is the embodiment of China's traditional culture. With the continuous improvement of our living ...Read more -
The Chemistry of H2S Mitigation. We capitalize on 3 important properties of the H2S molecule during the process of H2S mitigation.
The Chemistry of H2S Mitigation. We capitalize on 3 important properties of the H2S molecule during the process of H2S mitigation. H2S is an acidic gas and will salt many amines to the aminium hydrosulphide. The reaction is however reversible and forms the basis of an amine recycling unit;...Read more -
Improved leather quality using less sulphide by Jens Fennen, Daniel Herta, Jan-Tiest Pelckmans and Jürgen Christner, TFL Ledertechnik AG
Tanneries are often associated with the characteristic and obnoxious “sulfide smell”, which is in fact caused by low concentrations of sulfhydric gas, also known as hydrogen sulfide. Levels as low as 0.2 ppm of H2S are already unpleasant for humans and a concentration of 20 ppm is unb...Read more -
Occidental Petroleum (OXY) Q2 2022 Earnings Conference Call Transcript
Founded in 1993 by brothers Tom and David Gardner, The Motley Fool helps millions achieve financial freedom through our website, podcasts, books, newspaper columns, radio shows and premium investing services. Founded in 1993 by brothers Tom and David Gardner, The Motley Fool helps millions achiev...Read more -
Factory safety rules and regulations
Part 1．Production safety responsibility system 1.Define the safety responsibilities of persons in charge at all levels, all kinds of engineering personnel, functional departments and employees in production. 2.Establish and improve the responsibility system for production safety of all departmen...Read more -
Price change of Chinese caustic soda market in the first half of the year
In the first half of the domestic caustic soda market price overall good performance, part of the time the price continued to pull up, the transaction atmosphere is hot.In the middle of January – February, the overall price of domestic caustic soda market continued to rise. The main reasons...Read more -
Preservation method of sodium sulphide – analysis of storage and transportation conditions of sodium sulphide
Sodium sulfide is a widely used chemical raw material, often used in dye, electroplating, leather and textile industries. Although the use of sodium sulfide has a long history, but there is still a use problem is not solved, that is, the preservation of sodium sulfide. Mainly due to the solid sod...Read more
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