It is reported that water pollution is a very serious problem in China. Data shows that the proportion of water quality sections classified as poor or inferior in the seven major water systems in the country has reached18.4%. According to Xinhua News Agency, continuous monitoring data from 118 cities by relevant departments shows that about 64% of urban groundwater is severely polluted, 33% of groundwater is mildly polluted, and only 3% of basic clean urban groundwater.

Types and sources of water pollutants

1. Domestic sewage

Domestic sewage is a major source of pollution. Domestic sewage contains a large amount of inorganic and organic substances. Inorganic substances such as chlorides, sulfates, phosphates, and carbonates such as sodium, potassium, calcium, and iron, while organic substances include cellulose, starch, fats, proteins, and urea. Discharging into the environment promotes the growth and massive reproduction of phytoplankton, resulting in red tide and algal blooms.

2. Industrial wastewater

Industrial wastewater is the main source of water pollution. Including wastewater from the steel industry, food industry, printing industry, chemical industry, etc.

3. Agricultural wastewater

It has a wide range, large quantity, and dispersion. The use of pesticides and fertilizers in farmland causes eutrophication of water bodies when they enter the water.

The common microorganisms in general water bodies, wastewater, and wastewater treatment include: bacteriaBacteria， Fungi Fungi, Algae Aglae, Protozoa, Rotifers, Crustaceans, Worms (Nematodes and Flatworms).

1、 BacteriaBacteria

Domestic sewage usually contains a large number of microorganisms such as bacteria, viruses, protozoa, and insects, and the responsibility of sewage treatment engineers includes controlling pathogenic bacteria to ensure public safety.

For microorganisms and bacteria, Xunshu fully automatic colony counting software can count the total number of colonies.

Automatic colony counting, while achieving automatic counting of total and fecal coliforms (filter membrane method)

The rapid counting colony counting software uses "rapid counting"Colonfast colony intelligent recognition technology integrates various image processing algorithms such as general segmentation, multi-channel segmentation, and same color segmentation, suitable for various complex culture dishes. It can automatically count colonies, total coliforms, and fecal coliforms, such as regional statistics, diameter classification statistics, color recognition statistics, adhesion segmentation, impurity removal, mouse click statistics, etc

IIAlgae algae

The main algae of concern in sewage treatment are5 categories:

Chlorophyta, naked algae, eye algae

Chrysophyta, diatoms

Algae, dinoflagellates, and dinoflagellates

protozoa

Single cell, eukaryotic organism.

For algae, Xunshu algae intelligent identification and counting software can passTaxonomy search, common algae search, keyword search, allowing algae identificationFaster and more intelligent. It not only has algae counting function, but alsoMore than 4000 algae databases, and more importantly, it realizes multi-level intelligent search, helping experimenters with insufficient knowledge of algae to quickly narrow down the range and determine possible species based on images observed under the microscope through multi-level searches such as morphology and keywords,

It is also bundled withThe MIC microscopic analysis software can measure and observe the area, cell diameter, filaments, flagella length, branching angle, etc. of algal populations, and can also achieve fully automatic identification and counting of certain single-cell algae.

The sharp and clear high-quality images of the MIC microscopic image analysis system are derived from the high-definition color of "Xunshu"The fusion of CMOS and Olympus microscope. The flat field objective lens using the UIS infinite distance correction optical system provides a flat and clear optical signal. Through the interface and "Xunshu" 5-megapixel CMOS digital conversion, sharp, clear, and color realistic microscopic details are presented on the LCD screen, providing a guarantee for subsequent digital analysis.

Algacount ® The M-series multifunctional biological monitoring device integrates four major search functions:

1. Morphological search: Utilize the morphological features of algae images under the microscope, such as cell morphology, size, protrusions or spines, flagella, surface patterns, number and arrangement of cells, to perform rapid graphic search.

2. Classification search: Search by taxonomic order of phylum, genus, and speciesMore than 4000 algae databases

3. Common algae search: directly search for water bloom algae, red tide algae, toxic algae

4. Keyword search: By combining keywords, search for algae that match the text description

For Microcystis analysis, Xunshu Microcystis analysis module. This analysis module has the function of automatically analyzing the number of cells contained inside. Firstly, it automatically analyzes the solid part of the algal mass containing cells, and then selects typical cells as the basic unit to calculate the number of algae contained, which facilitates the statistical analysis of algal species.

3、 Protozoa

Dysenteric amoeba, Giardia lamblia, and Cryptosporidium. Protozoa can be divided into four categories based on their movement patterns: flagellates move through one or several flagella; The ciliary subphylum moves through short flagella called cilia; Caryopoda moves through deformation; Spore worms are immobile.

4、 Rotifers

The smallest and simplest multicellular organism. Rotifers feed on algae, bacteria, protozoa, and dead organisms, so they can remove a large amount of food from wastewater. Plays an important role in activated sludge, drip filtration, and oxidation tank systems.

5、 Crustacean animals

Water usually contains crustaceans such as water fleas and water fleas.

6、 Nematodes and flatworms

The insects in sewage treatment mainly include nematodes and flatworms. Their length isBetween 0.5-3mm, while the diameter is usually between 0.01-0.05mm. In sewage treatment systems, nematodes can accelerate the activity and decomposition of microbial and bacterial communities. They feed on bacteria in sludge and drip filtration systems.

Fast counting plankton targeting protozoa, rotifers, crustaceans, and insects/Animal counting software can effectively observe and count them. It includes 6 major categories, 460 genera, and 1500 species in the zooplankton database, including protozoan flagellates, protozoan carnivorous insects, protozoan ciliates, rotifers, branchiopods, and copepods.

Users can search for a specific organism using its Chinese or Latin name, or search in taxonomic order by phylum (class), genus, or species.

It can continuously and automatically capture images of plankton from multiple fields of view, click to mark different species, and quickly achieve automatic accumulation and counting of the same species in multiple fields of view, easily achieving classification and counting of different biological species, automatic total accumulation, automatic sorting of dominant species, and analysis of the proportion of dominant groups.

Hangzhou Xunshu Technology Co., LtdThe fully automatic colony counting analysis software, microscopic image analysis system software, algae intelligent identification and counting software, and planktonic animal counting software in the M-series multifunctional biological monitoring instrument can effectively assist in the observation, counting, detection, and monitoring of bacteria, algae, protozoa, roundworms, crustaceans, insects, etc. in the above-mentioned sewage treatment.

Hangzhou Xunshu Technology Co., Ltd. is a high-tech company specializing in microbial analysis and testing technology research and instrument equipment production. At present, we mainly produce automatic colony counter, spiral inoculation microbial colony analyzer, and inhibition zone measuring instrumentProducts such as β - lactam analyzer, antibiotic potency analyzer, algae counter, algae assisted identification system, planktonic animal counter, biological microscopic analysis system, etc.
At present, the company's products have become the products of thousands of domestic enterprises and institutions, such as the Chinese Academy of Sciences, the Chinese Academy of Agricultural Sciences, the Chinese Academy of Inspection and Quarantine Sciences, the China Center for Animal Health and Epidemiology, the National Aquatic Product Quality Supervision and Inspection Center, the National Oceanic Administration, Zhejiang Academy of Environmental Protection Scientific Design and Research, Shanghai Baosteel, Lanzhou Petrochemical, Shenzhen Water Quality Testing Center, Changzhou Drainage Monitoring Station, etc. And successfully served in drug resistance monitoring at AMS laboratory in Australia, water quality testing at Veolia Water Group in France, bacterial resistance analysis at DSM Group in the Netherlands, toxicology center testing at WuXi AppTec in the United States, and automatic detection of antibiotic potency at Pfizer Pharmaceuticals in the United States. The company's products and excellent after-sales service have been widely praised and welcomed both domestically and internationally.

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