Industry News

  • The role of nitrogen and phosphorus in activated sludge and the calculation of addition!

    For industrial wastewater with a single component and a lack of nitrogen and phosphorus nutrients, the timely and appropriate addition of nitrogen and phosphorus nutrients is particularly important. Nitrogen, phosphorus and other nutrients are important factors in maintaining the growth and repro...
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  • Treatment and detection of oil and fat industrial wastewater

    Sources and characteristics of oil and fat wastewater Oil and fat wastewater mainly comes from the continuous alkali refining, hydration, acidification, neutralization, degumming, deodorization, decolorization, washing, filtration and other processes in the leaching, physical and chemical refinin...
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  • Related knowledge and wastewater testing of textile printing and dyeing wastewater

    Related knowledge and wastewater testing of textile printing and dyeing wastewater

    Textile wastewater is mainly wastewater containing natural impurities, fats, starch and other organic substances generated during the process of raw material cooking, rinsing, bleaching, sizing, etc. Printing and dyeing wastewater is generated in multiple processes such as washing, dyeing, print...
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  • Industrial wastewater and water quality testing

    Industrial wastewater and water quality testing

    Industrial wastewater includes production wastewater, production sewage and cooling water. It refers to wastewater and waste liquid generated in the industrial production process, which contains industrial production materials, intermediate products, by-products and pollutants generated in the pr...
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  • How to choose solid, liquid, and reagent vials consumables of wastewater testing? Our advice is…

    How to choose solid, liquid, and reagent vials consumables of wastewater testing? Our advice is…

    Testing water quality indicators is inseparable from the application of various consumables. Common consumable forms can be divided into three types: solid consumables, liquid consumables, and reagent vials consumables. How do we make the best choice when faced with specific needs? The following ...
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  • Eutrophication of water bodies: the green crisis of the water world

    Eutrophication of water bodies: the green crisis of the water world

    Eutrophication of water bodies refers to the phenomenon that under the influence of human activities, nutrients such as nitrogen and phosphorus required by organisms enter slow-flowing water bodies such as lakes, rivers, bays, etc. in large quantities, resulting in rapid reproduction of algae an...
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  • Chemical oxygen demand (COD): an invisible ruler for healthy water quality

    In the environment we live in, water quality safety is a vital link. However, the quality of water is not always obvious, and it hides many secrets that we cannot see directly with our naked eyes. Chemical oxygen demand (COD), as a key parameter in water quality analysis, is like an invisible rul...
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  • Determination of turbidity in water

    Water quality: Determination of turbidity (GB 13200-1991)” refers to the international standard ISO 7027-1984 “Water quality – Determination of turbidity”. This standard specifies two methods for determining turbidity in water. The first part is spectrophotometry, which is...
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  • Methods for rapid detection of suspended solids

    Suspended solids, as the name implies, are particulate matter that floats freely in water, usually between 0.1 microns and 100 microns in size. They include but are not limited to silt, clay, algae, microorganisms, high molecular organic matter, etc., forming a complex picture of the underwater m...
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  • What problems does the COD instrument solve?

    The COD instrument solves the problem of quickly and accurately measuring the chemical oxygen demand in water bodies, so as to determine the degree of organic pollution in water bodies. ‌ COD (chemical oxygen demand) is an important indicator for measuring the degree of organic pollution in water...
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  • Application of ORP in sewage treatment

    What does ORP stand for in sewage treatment? ORP stands for redox potential in sewage treatment. ORP is used to reflect the macro redox properties of all substances in aqueous solution. The higher the redox potential, the stronger the oxidizing property, and the lower the redox potential, the str...
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  • Nitrogen, Nitrate Nitrogen, Nitrite Nitrogen and Kjeldahl Nitrogen

    Nitrogen is an important element that can exist in different forms in water and soil in nature. Today we will talk about the concepts of total nitrogen, ammonia nitrogen, nitrate nitrogen, nitrite nitrogen and Kjeldahl nitrogen. Total nitrogen (TN) is an indicator commonly used to measure the tot...
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