Biological bacteria for domestic sewage treatment

What is domestic waste water?

Wastewater is defined as water used in washing, rinsing or manufacturing processes and therefore contains waste products. Basically anything that gets flushed down the toilet, or down the sink or down the drain is considered wastewater. Domestic wastewater is 99 percent water, and another 1 percent is made up of human waste, paper products, oils, oils, food scraps, soaps and cleaning products. Wastewater passes through a network of pipes and pumping stations called collection systems before reaching wastewater treatment plants, where it is physically, biologically and chemically treated before being safely discharged back into the environment.

The action principle of sewage treatment bacteria;

1, aerobic microbial strains of wastewater treatment using the dissolved oxygen (DO) in the water, the organic pollutants into water and carbon dioxide, or into sewage treatment of microbe nutrients, and use of these nutrients to reproduce, the process can degrade pollutants, achieve the goal of the decontamination of deodorant, this process is called aerobic treatment, The most used is the activated sludge process.

2, general anaerobic sewage treatment microorganism is in the environment without dissolved oxygen nitrate reduction (using oxygen in nitrate), denitrification reaction, so that it produces nitrogen, this method is widely used in wastewater treatment containing nitrogen. Acid-producing bacteria (general Anaerobic Microorganisms) are often used in the early acidification reaction of absolute anaerobic microbial wastewater treatment.

The role of bacteria in wastewater treatment

1. Undertake the mission of repairing water nitrogen cycle, in line with the principle of non-toxic, pollution-free, no secondary pollution and harmless to human body

2. Can effectively remove ammonia nitrogen, BOD, COD, SS, nitrate, sulfate, color, odor, toxic substances, combined pollutants, without chemical coagulation, coagulation process

3. Become the dominant bacteria in the environment, which can inhibit the growth of pathogenic bacteria and spoilage bacteria