About Us

MINEVIK Machinery is a leading and pioneering enterprise with the most advanced international level in R&D, manufacturing and selling of large-scale crushing & screening plants and beneficiation plants.

large-scale crushing & screening plants and beneficiation plants.

All of our equipment have got ISO international quality system certification, European Union CE certification and Russian GOST certification.

  • In central China-Zhengzhou, covering 140 thousand square meters
  • Win-win cooperation and create more value to customers
  • Exported large quantities and high-end mobile crushing plant and milling equipments to Russia, Kazakhstan, Indonesia, Ecuador, South Africa, Nigeria, Turkey more than 100 countries .

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Our Products

AS a leading global manufacturer of crushing and milling equipment, we offer including quarry, aggregate, grinding production and complete stone crushing plant. We also supply individual crushers and mills as well as spare parts of them.


Our goal is to guarantee the excellent operation equipment with high safety for our customers and minimize the downtime of the machine by predictive maintenance. Kefid service and original accessories can be 100% trusted at the time of maintenance.


Minevik service and original accessories can be 100% trusted at the time of maintenance.


striving to enable customers to get the parts in the nearest place.


Our sales market is spread all over more than 100 countries and regions

substitutes for sand in a biosand water filter

Sand as a filter media Biosand filter

Design improvement for pond sand filter. WEDC Water, Sanitation and Hygiene: Challenges for the Millennium. 26th WEDC Conference, Dhaka, Bangladesh, pp.212-5. Available online at www.wedc.lboro.ac.uk found adequate faecal coliform removals to below 10 per 100ml in pond filters, which only had sand bed depths of around 30cm.

Biosand filter Wikipedia

A biosand filter. (BSF) is a point-of-use water treatment system adapted from traditional slow sand filters.Biosand filters remove pathogens and suspended solids from water using biological and physical processes that take place in a sand column covered with a biofilm.BSFs have been shown to remove heavy metals, turbidity, bacteria, viruses and protozoa.

Alternative filter media instead of sand Biosand filter

It is possible to use alternative filter media instead of sand. This can be useful in some areas where sand is not available. Such alternatives include burnt rice husks, crushed glass or crushed stone. Burnt rice husks. Combustion of rice hulls produces an ash that is 90% silica.

Filter media Biosand filter

There are various methods of enhancing the performance of the sand media in terms of water quality, flow rates and corrosion control, and alternatives to sand as a filter media. Lastly there is an explanation of the role gravle plays in the sand filter.

Operation & Maintenance Biosand filter

Do households understand how to carry out maintenance? Adequate training during installation and sufficient follow-up is perhaps a weak link in any biosand filter project, as householders tend to forget or ignore advice given regarding maintenance, contributing to sub-standard performance of filters.

Designing Programme Implementation Strategies to Increase

Designing programme implementation strategies to increase the adoption and use of biosand water filters in rural India. Water Alternatives 7(2): 320-341 Ngai and Fenner: Biosand water filters in rural India Page | 320 Designing Programme Implementation Strategies to Increase the Adoption and Use of Biosand Water Filters in Rural India

Flow rates Biosand filter

) using chemical tracer tests, revealed that the intermittently-operated biosand filter operates under near-plug flow conditions. What this means is that all parcels of water travelling through the sand medium seem to travel at the same speed, and residence time for each parcel of water is almost the same.

Bio Sand Water Filter Construction DIY step-by-step

10/09/2012· Bio Sand Water Filter Construction DIY step-by-step. Using PVC & CPVC materials that were on hand and/or laying around, this is my project step-by-step, the tools used & detailed how I construct a

Biosand Filter Components and Function Clean Water: A

The filtration sand layer is the heart of the biosand filter. It is in the layers of the sand, as the water works its way through the sand, that suspended solids are trapped and pathogens are trapped and killed. The outlet tube conducts water out of the filter after it has been cleaned by finding its way through the sand bed. Disinfection of

BioSand Water Filters Gospel for Asia

BioSand water filters are perfect solutions for families or a small community. A gift of $30 can provide a whole family or a small community with clean water! BioSand water filters make water 98% pure and can last up to 20 years if properly cared for.

Automated BioSand Filter Appropriate Technology

24/02/2016· The water then must travel up higher than the level of sand to create and keep the bio film layer. This filter process produces water that is tasteless, odorless, clear in color and safe for

The BioSand Water Filter

03/06/2010· Our new video to be used by our sales team in the Philippines.

Biosand Filter : 19 Steps (with Pictures) Instructables

Biosand Filter: A biosand filter is a simple type of water purification system that uses sand, gravel, gravity and some simple engineering to purify water contaminated with biologics and some chemicals. Its structure is generally made of concrete or plastic and

Biosand Filter Centre for Affordable Water and

A biosand filter (BSF) is an adaptation of the traditional slow sand filter, which has been used for community drinking water treatment for 200 years. The biosand filter is smaller making it suitable for use in people’s homes. The filter container can be made of concrete or plastic. It is used by over 5 million people in 55 developing countries to treat their drinking water.

Biosand Filter

Biosand filters (BSFs) are columns of finely crushed rock (sand) on which microorganisms are living. BSFs are designed to create the optimal environment for the types of aquatic microorganisms that hunt pathogens. The BSF body can be made of a variety of materials, such as concrete, plastic, or stainless steel. Water is poured into the top of the column and spends a period of time in contact

Biosand Water Filter: A Boon

Biosand Water Filter: A Boon Deepali Jadhav1, Dr. M. Husain2, The BSF is very similar to the slow sand filters but its use is on a much smaller house hold scale than slow sand filtration. Moreover, biosand filtration is still a relatively new technology that is being applied in the developing world prior to the implementation of the BSF, studies should be completed on the social, economic


The biosand filter is a modified form of the traditional slow sand filter in such a way that the filters can be built on a smaller scale and can be operated intermittently. These modifications make the biosand filter suitable for household or small group use. The biosand filter can be produced locally anywhere in the world using materials that are readily available. The biosand filter should

water filter simple practice

07/01/2016· how to make a simple water filter, you can use gravel, sand, charcoal, cheesecloth

Why Biosand Clear Cambodia: A Better Life Water

Slow sand filters have been shown to remove almost all the disease-causing organisms found in water. The BioSand filter has proven as effective as traditional slow sand filters, in both laboratory and field tests. The filter has been tested by various government, research, and health institutions, as well as by non-governmental organizations.

Recent advances in household biosand filter design

Recent advances in household biosand filter design T. K. K. Ngai, D. L. Baker & B. E. Coff, Canada REFEREED PAPER 2020 The biosand filter is an intermittent-flow adaptation of slow sand filtration technology. Developed over 20 years ago and now with 15+ years’ operating experience in households, it has established a

Biosand Filters Knowledge Base

Biosand Filters A practitioner's knowledge base. A biosand filter (BSF) is an adaptation of the traditional slow sand filter, which has been used for community drinking water treatment for 200 years.

Biosand Filter : 19 Steps (with Pictures) Instructables

Biosand Filter: A biosand filter is a simple type of water purification system that uses sand, gravel, gravity and some simple engineering to purify water contaminated with biologics and some chemicals. Its structure is generally made of concrete or plastic and

What is the best filter media for my sand filter

Silica sand is the oldest of the filtering medias. Not all sand is created equal and if you are going to replace your old media with sand, silica sand is the way you need to go. Number 20 silica sand will filter down to 20 microns. As you can see from our chart above it will take care of most suspended solids in the pool water. One thing to

Homemade Water Filter: Make A DIY Water Filter

08/09/2016· Bio-sand filters are super quick and easy to build homemade water filter systems and they are very effective at filtering dirty water and making it safe. Watch the video for details. A homemade water filter like this would be great for filtering and purifying water stored in

Manzwaterinfo Biosand Water Filter, Biosand Water

The history of the BioSand Water Filter is well documented in photographs. Awareness of how the BioSand Water Filter developed brings a deeper appreciation for the innovation that it is and recognizes the numerous players in the process. The short courses were being demanded after the success of the Nicaraguan project was 'discovered'. The

How Biosand Water Filtration Systems Work

How Water is Filtered. The concrete Biosand filter is an innovative version of the slow sand filter specifically designed for household use. These filters are built locally using available materials and labor. As with the other types of water projects we support, we are meeting the clean drinking water needs of the region and providing needed

Low cost water filtration (for rural areas of developing

04/03/2016· The design I linked should be a small & very affordable household version of a bio-sand filter. I doubt that a cloth filter will offer significant improvements in water quality besides removal of some turbidity, that would be better done by improving the water source.

A Simple Technology That Can Solve India's Clean

15/09/2014· The bio sand filter is being effectively used in various tribal areas. Tested and approved by various governments, healthcare institutions, and research departments, the bio-sand technology has effectively been introduced in over 66 countries. The low cost Bio-sand filter costs about Rs.3,000 and works for 30 years. It is easy to maintain and


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