Guangdong Province Printing Wastewater Degradation Data Report   Water sample Guangdong printing wastewater   Electrode BDD portable Test Equipment Anode: Si base BDD electrode, working area is 420cm2 Cathode: Ti Plate spacing: 2mm   Experimental operation and phenomenon Take 1L of raw water into the BDD electrocatalytic system; the conductivity of the raw water is low, add 2% anhydrous sodium sulfate; the actual use area of the anode is 420cm2; the current density is 40...

Aniline Wastewater Treatment Using Boron-Doped Diamond Electrodes Aniline In Wastewater   Source of Aniline and Affects of Aniline in Wastewater Aniline is an important chemical in the petrochemical industry, primarily used to produce isocyanates for polyurethane manufacturing. Aniline derivatives are also precursors for accelerators, antioxidants, herbicides and pharmaceuticals. However, aniline is a toxic, recalcitrant pollutant with low biodegradability. An estimated 30,000 tons of ...

Project Background Engineering Introduction The oil and gas industry accounts for an estimated 3.95 × 107 m3 of water consumption per day during refining and petrochemical processing, equivalent to 15% of the world’s water use. Refinery wastewater contains a complex mixture of organic and inorganic pollutants that must be treated to meet environmental regulations before discharge into to waterways. The composition of refinery wastewater varies based on plant configuration, operational p...

The modified ditch & oxidation system effectively treats pulp wastewater by facilitating contact between activated sludge and the wastewater. Through aeration, the aerobic bacteria in the activated sludge utilize the organic pollutants in the wastewater as raw materials for their metabolic processes. By undergoing aerobic oxidation and electrochemical, the organic pollutants within the wastewater is degraded, leading to complete removal of organic pollutants. The introduction of a new in...

PFAS & Landfill Leachate Wastewater Source & Usage, Impacts of PFAS Per- and poly-fluoroalkyl substances (PFAS) belong to a group of synthetic chemicals with fluorinated aliphatic structures. These compounds emerged in commercial production during the 1950s. PFAS are widely utilized across over 200 categories and subcategories in consumer, commercial, and industrial products or processes. Their exceptional resistance to water, oil, chemicals, and heat has led to their extensive app...

Domestic Wastewater Treatment:Source, Impacts, Contents and Treatment   Source of Domestic Wastewater The surge in urbanization and the rapid growth in freshwater consumption for residential use are major contributors to water shortages, particularly in areas with limited water resources. Experts predict that global demand for freshwater will exceed supply by 40% by 2030. This indicates that the world is on the brink of a water crisis, as freshwater demand is projected to surpass supply ...

Water, as the universal solvent, is essentialfor all living things from tiny organisms such as cyanobacteria to giant blue whales and the environment as 71% of the surface of the earth is water covered. Water is widely used in various industry activities such as fabrication, processing,dilution, cooling and transportation,etc. Nowadays, rapid industrialization and urbanization contributed a lot to economic growth, however a quick increase in population and development consumed large amount of...

Pesticide wastewater characteristics There are many varieties of pesticides, and the water quality of pesticide wastewater is complex. high concentration of pollutants, chemical oxygen demand (COD) can reach tens of thousands of ppm high toxicity. The wastewater contains pesticides and intermediates, but also contains phenols, arsenic, mercury and other toxic substances and many biodegradable substances malodorous, irritating to the human respiratory tract and mucous membranes unstable water ...

Hebei XXX Pharmaceutical focuses on R&D, manufacturing and sales of pharmaceutical products. Their high-end specialty active pharmaceutical ingredient and formulation facility aimed to meet GMP standards. With a total effluent at 500 m3/day (21 m3/hour), wastewater from pharmaceutical manufacturing site, spray equipment/floor washing, domestic sources and circulating water. Toxic pharmaceutical wastewater need to be treated before discharging to the sewaer network. Check the field record...

The case of Hebei Project