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Polyaluminium chloride (PAC) is an inorganic substance, a new water purification material, an inorganic polymer coagulant, referred to as polyaluminium. It is a water-soluble inorganic polymer between AlCI3 and Al(OH)3, with a general chemical formula of [Al2(OH)nCl6-n]m
Product advantages:
1. Strong flocculation force, high adsorption activity, fast formation and sedimentation of flocculants;
2. No alkali or other additives are required, wide pH range, easy to use; good flocculation effect is also achieved for raw water with low water temperature, low turbidity and low alkalinity;
3. It can greatly shorten the time of stirring, mixing and sedimentation, and miniaturize the flocculation tank and sedimentation tank;
4. Good iron and manganese removal effect, and can obtain water with low conductivity;
5. Simple equipment, easy operation, low corrosion, good working conditions and low treatment cost.
Uses:
1. It is widely used in the treatment of oily wastewater, oil-water separation, purification of oilfield reinjection water, etc. in the petroleum industry.
2. It is an ideal drug for the treatment of industrial sewage and wastewater, and is widely used in metallurgy, electricity, leather making, medicine, printing and dyeing, chemical industry and other industries.
3. It is an ideal drug for the treatment of high-fluoride water, with good fluoride removal effect, and is an important chemical raw material. It is used in chemical industry, casting, cement, refractory materials, etc.
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As an important spectral detection method, Raman spectroscopy has molecular fingerprint characteristics and is often used for the detection and identification of different substances. This product combines the surface-enhanced Raman scattering (SERS) effect with optical fiber sensing characteristics, and uses various types of optical fiber SERS probes developed to greatly improve the sensitivity of Raman spectrum detection and broaden the application range of portable Raman spectrometers. Combined with the optical fiber surface-enhanced Raman probe, the detection sensitivity of the portable Raman spectrometer is greatly improved;
⚫ Equipped with various specifications of Raman SERS probes to meet the needs of different application environments;
⚫ The fiber Raman probe with low-loss SMA interface can realize multiple insertion and removal of the fiber probe and Raman probe, which is convenient
Actual field application;
⚫ TE cooling CCD provides excellent performance such as low noise, high stability, and fast response. Combining the waveguide effect of optical fiber with the surface-enhanced Raman scattering (SERS) effect, we developed laser-induced evaporation self-assembly method, laser-induced liquid surface self-assembly method, slip-assisted self-assembly and other preparation methods with independent intellectual property rights, and developed Practical fiber optic SERS probes of various specifications. Relevant research work has been supported by many important scientific research projects such as the National 973 Program, the National Natural Science Foundation, and the Guangdong Provincial Natural Science Foundation. He has published more than 30 high-level SCI academic papers, authorized 3 U.S. invention patents, and authorized more than 11 Chinese invention patents. apply:Combining the optical fiber SERS probe with the developed portable Raman spectrometer has important application prospects in the field of liquid phase in-situ detection in food safety, environmental monitoring, biomedicine and other fields.
