Home

Technology

Bubble generators

Filters

Probiotics

Blog

About

The world agrees: ISO International Standardization fine bubbles

In Technology by Erik van Berkum : Wednesday, 17 May 2017

Great things happen when the world agrees, that's the mission of ISO, the International Organization for Standardization. The goal of international standardization is to ease the exchange of goods and services by eliminating technical barriers. What would happen to the world if we didn't have an international standard for weight, how to buy a kilo of sugar? ISO is the legal association based in Switzerland Geneva. The members of ISO are the "National Standards Bodies of 164 countries in the world on a national level these organizations organize standardization. Some well know national standards organizations are ANSI in the United States, DIN in Germany, BSI in the United Kingdom and AFNOR in France.

An International Standard embodies the essential principles of global openness and transparency, consensus and technical coherence. Safeguarded through its development in an ISO Technical Committee (ISO/TC), supported by a public comment phase (the ISO Technical Enquiry). ISO and its Technical Committees are also able to offer the ISO technical Specification (ISO/TS), the ISO Public Available Specification (ISO/PAS) and the ISO Technical Report (ISO/TR) as solutions to market needs. The ISO products represent lower level of consensus and have not the same status as an International Standard.

Fine Bubbles are an innovative technology that's invented in Japan, but without proper standards creation for industry development, there are obstacles and concerns about the industry development and the progress of further technological developments. Japan took the initiative approached ISO and setup the ISO Technical Committee 281 for fine bubbles standardization. The first meeting of ISO fine bubbles was held in Kyoto in December 2013. The meeting agreed that, compared with general bubbles, there was a wish to define fine bubbles as the ones whose diameter is 100-micron meters or less, and ultrafine bubbles as the ones whose diameter is 1 micron meter or less as noted in the meetings resolution. This is the first step to have the common international concept of fine bubbles (see: Classification of bubbles in diameter ISO 20480-1). The reason for setting the diameter as one of the parameters of fine bubbles is that fine or ultrafine bubbles are different in characteristics from the general larger bubbles because they measure the diameter in millimeters. A distinguishing property is that ultrafine bubbles show a significant longer lifetime.

When classifying bubbles by size, the next question is how to measure them, what size are they and how many are there in the liquid. It's impossible to measure ultrafine bubbles using an optical microscope, it's also impossible to measure them using an electron microscope because they exist in liquid. However recent new measurement technologies make it possible to track them. The development of measurement technologies is done by private companies and universities in the United Kingdom, Germany, the United States and Japan. Many of them using different measurement methods, each having different principles (see: fine bubble measurement technologies).

With the new measurement technologies being capable of measuring fine bubbles, companies that make fine bubble generation equipment are able to optimize, their bubble generators and to develop industrial applications. When the fine bubble industry wants to develop itself, clear definitions and general principles are needed. Without setting international standards, such as bubble size, bubble density, types of gases, and liquid, lifetime of a bubble in liquid, it's very difficult for the fine bubble industry to develop a "common language".

In order to make the international standard a three-tier structure of standardization is proposed. The top layer has common elements including general principles, and terms and definitions. The middle layer sets out the methodologies for the particle's measurement and various other properties of fine bubbles. In the bottom layer, there are specific industrial applications. With the new fine bubble ISO standards concept, creating a healthy market so people in the world can use a common, standardized fine bubble systems (see: Three-layer International Standardization fine bubbles ISO 20480-1).

For every layer ISO/TC 281 established a separate workgroup.

In 2013 the fine bubble ISO/TC 281 committee started with participation of 5 participating members and 10 observing members, in Spring 2017 there are 8 participating members and 11 observing members.

nano bubble generator | ISO | fine bubbles | standardization | ISO TC281 | ISO 20480-1 |

High concentration UFB selector

Selecting a nano bubble generator can be a daunting task when you are new to the technology. In the following article we explain the differences of the various units. This helps you to select the best ultrafin bubble generator for your research, application development or ultrafine bubble production.

Tiny bubbles help flower growers in the hot summer

Carnation flower growers in Japan use nano bubble irrigation technology against fusarium, withering and dying plants, to improve stem quality, flower size, shoot count, volume of stems and growth speed. In the growing season 2017 / 2018, acniti conducted trials, the test area had irrigation water with billions of ultrafine bubbles of an average size of 110 nm and high DO water with 30 mg/l.

The zeta-potential important stuff for nano-bubbles

The electrical properties of gas bubbles are important in determining the interaction of nano-bubbles if and when they merge together and how they interact with other materials such as solid particles or oil droplets. Knowledge about this helps application development in for example, protein skimmers, froth flotation, food processing, washing surfaces and purification.

Ultrafine Bubbles and the effect on Seed Germination

Nano Bubbles are useful in accelerating the metabolism of living organisms, but the mechanism is not yet well understood. In a study, they investigated the production of reactive oxygen species (ROS) by Nano Bubbles and the effect on seed germination. The conclusion of the study was seeds in nano bubble water had a higher germination rate than all those submerged in the different other conventional used solutions.

Project report water treatment lake UFB mixer nano bubbles

A contaminated pond which was used for irrigation was treated for 40 days with nano bubbles. After treatment the algae contamination problems was solved. For the treatment the UFB mixer nano bubble generator was used, in combination with an connected oxygen concentrator.

Demonstration submersible UFB mixer

The submersible UFB mixer is a, complete unit with the low-pressure mixing valve technique that effectively and efficiently saturates liquids with gases over 5 times the levels of conventional technologies. The unit moves 113 liters of water per minute and dissolves 4 liters of oxygen per minute creating a high DO content and ultrafine bubbles in the water.

Strong increase in cannabis production with bubble Oxygenation

Root systems require oxygen for aerobic respiration. Reduced levels of oxygen in the rootzone, slow down plant growth and increase susceptibility of diseases. Indoor grown plants in closed water systems have often a lack of oxygen and need additional oxygen supply. By delivering ultrafine bubble to the rootzone of the plant, you increase the levels of oxygen and the water get negatively electrically charged this promotes nutrient uptake and hair root growth. Read the whole article to see what experience cannabis growers have to say about the ultrafine bubble system.

Lab demonstration miniGaLF

The miniGaLF is ACNITI`s entry level GaLF model designed for companies, universities, research institutes and individuals that want to learn about Ultrafine bubble technology. In this blog a movie is shown of the connections and the performance to create ultrafine bubble (nano bubbles) with high DO water.

Cultivate attractive lettuce with no more tipburn

Manoa lettuce is a lettuce variety susceptible to tipburn. Tipburn is the drying and dying of leaf tissue along the edges of the leaf. During a test at a grower in Hawaii it was shown that by increasing the DO levels and adding ultrafine bubbles, reduction of tipburn is realized and quality and production improvements are made.

What's in the name: ultrafine bubbles or nano bubbles?

Interested to know why nanobubbles are officially called ultrafine bubbles? In this article we explain the reasons why the ISO technical committee has decided to use the official name ultrafine bubbles instead of nanobubbles.

Payments

acniti accepts bank payments, TransferWise, PayPal and many major credit cards Visa, MasterCard, American Express, Discover, JCB, Diner's Club and EnRoute.

Processwire loving it

A write-up of how the acniti website is built, which tools are used for development, like PhpStorm and Ubuntu! The website is built with Processwire and the hosting is on AWS. Also insight is given in which Amazon Web Services are used and how they work together. The last part of the article shows tools that help write the content and how the site is promoted on the major and branch specific social networks.

Laundry clean with a bubble boost

Washing of surfaces and laundry is one of the promising areas were ultrafine bubbles can make a difference in the application. Reducing the amount of detergent, has a positive effect by reducing pollution, washing laundry without detergent, would greatly benefit the environment. Ultrafine bubbles can lower the surface tension of water, the large amounts of oxygen molecules in bubbles charge the water negative.

Ozone bubbles for water treatment

Research into ozone ultrafine bubble technology for the treatment of captured produce wash water. The white paper shows that their are benefits in using the technology, by better disinfection and savings in ozone can be obtained.

Bubble sizes and properties

Bubbles are gas filled cavities in water. The contact area between bubbles in water filled with tiny bubbles is much larger than water filled with bigger bubbles. The gas pressure inside a small bubble is higher than in a large bubble, therefore the surface tension of a small bubble is higher as well.

Self-cleaning inlet filter explained

Self-cleaning filters prevent pumps from blocking and make aeration more efficient. These pump are also excellent as dewatering filters for drainage of tanks or flooded areas. This video explains the inner-workings of this smart water-filter.

Self-cleaning inlet filter demonstration

Video: Self-cleaning inlet filter explained

Ultrafine bubble generation

There are various technologies to generate ultrafine bubbles. This article gives an overview of the most used techniques, such as pressurized dissolution, static mixers, and rotational flow.

Contact

acniti contact page, for all questions, quotes and more information about the products.

ISO fine bubbles

Great things happen when the world agrees, fine bubbles are an innovative technology, but without proper standards for the industry development, there are obstacles. From 2013 ISO started the creation of an International Standard for fine bubbles popularly know as nano bubbles.

Ultrafine bubbles lake Ida Anne

Lake Ida Anne has a growing problem with algae in spring and summer. A large number of nutrients are available in the lake, and this promotes algae growth. The city of Langford tested the ultrafine bubble mixer as Oxygenation System to combat the algae, with great success.

Long distance fish transport with fine bubbles

A new innovative way to transport fish while sleeping is almost ready to go onto the market. A combination of CO2 and ultrafine bubbles make this possible.

Brand Assets

acniti brand assets and resources, corporate house-style

Nano bubbles on camera

Nano bubbles movie, movie made with the Malvern NanoSight. Based on this movie the NanoSight internal software counts the number of bubbles to calculate the number concentration of bubbles and the bubble size.

How to setup the miniGaLF -Plus

The miniGALF is IDEC`s entry level GaLF model designed for first experiences with nano bubble technology. The miniGaLF -Plus enables higher concentration of nano bubbles by multi-passes of water through the miniGaLF.