Diatomaceous Earth

Diatomaceous Earth, also known as "The Dirt," is a naturally occurring substance formed from fossilized algae. It has various uses, and we're here to provide you with the best information available. If you have additional questions, feel free to contact us using the button below. For more in-depth reading, we offer a Diatomaceous Earth book written by a retired nurse.

Food grade diatomaceous earth (DE) has gained significant attention for its natural composition and versatile applications across various industries. This comprehensive article explores DE's composition, manufacturing process, properties, diverse uses, and applying diatomaceous earth. Additionally, it examines safety considerations, environmental impact, regulatory frameworks, and potential future developments related to food grade DE.

Food Grade Diatomaceous Earth 2.5lb Jug

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What are Diatoms?

Diatoms are unicellular algae that exist in all diverse aquatic environments. These microscopic organisms, called diatoms, possess intricate exoskeletons composed of silica, a naturally occurring mineral (amorphous silicon dioxide). Over time, diatoms' remains accumulate in sedimentary deposits, forming diatomaceous earth.

Other Trace Minerals

Food-grade diatomaceous earth (DE) primarily consists of amorphous silica, but it also contains trace amounts of other essential minerals. These minerals, while present in small quantities, contribute to the overall composition of DE and may have potential health benefits. Here are the key minerals commonly found in food-grade diatomaceous earth, apart from silica:

1. Calcium

Function: Calcium is vital for maintaining strong bones and teeth, supporting muscle function, nerve transmission, and aiding blood clotting.
In DE: While DE contains small amounts of calcium, it can serve as a supplementary source, contributing to overall calcium intake in the diet.

2. Magnesium

Function: Magnesium is crucial for energy production, regulating muscle and nerve function, maintaining blood pressure, and supporting a healthy immune system.
In DE: Trace amounts of magnesium in food-grade DE might provide an additional source of this essential mineral, though dietary intake through other sources is more significant.

3. Sodium

Function: Sodium plays a key role in maintaining fluid balance, nerve signaling, and muscle contraction.
In DE: Food-grade DE contains trace levels of sodium, which may complement daily sodium intake, though it is not a major dietary source.

4. Iron

Function: Iron is essential for the production of hemoglobin in red blood cells, which helps transport oxygen throughout the body.
In DE: The iron content in DE is minimal, but it can still contribute to the overall mineral profile, supporting healthy iron levels.

5. Potassium

Function: Potassium is important for maintaining proper heart function, muscle contraction, and nerve transmission. It also helps regulate fluid balance in the body.
In DE: The small amount of potassium found in DE may have minor nutritional significance.

6. Phosphorus

Function: Phosphorus is a critical component of DNA, cell membranes, and energy production in the body. It also works closely with calcium to maintain bone health.
In DE: Phosphorus levels in food-grade DE are trace, contributing minimally to daily phosphorus requirements.

7. Copper

Function: Copper is essential for the formation of red blood cells, the absorption of iron, and maintaining healthy immune function.
In DE: Trace amounts of copper found in DE may support these bodily functions, though they are not a significant source.

8. Zinc

Function: Zinc plays a crucial role in immune function, wound healing, DNA synthesis, and cell division. It also supports normal growth and development.
In DE: Trace levels of zinc present in DE may contribute to meeting daily zinc needs, especially when combined with other dietary sources.

9. Manganese

Function: Manganese is important for bone formation, blood clotting, and reducing inflammation. It also helps the body metabolize carbohydrates, amino acids, and cholesterol.
In DE: Manganese is found in trace amounts in DE and may provide some benefit in terms of mineral supplementation.

10. Boron

Function: Boron supports bone health, improves wound healing, and aids in the regulation of hormones and the metabolism of vitamins and minerals.
In DE: Although present in very small quantities, boron in DE might contribute to bone health and other biological processes.

While food-grade diatomaceous earth is predominantly composed of silica, the trace minerals it contains—such as calcium, magnesium, sodium, iron, potassium, phosphorus, copper, zinc, manganese, and boron—can provide minor dietary benefits. These minerals support a range of bodily functions, from bone health to immune support, though their quantities in DE are relatively small compared to traditional dietary sources.

What is Silica?

Silica (also known as silicon dioxide, SiO₂) is a natural compound composed of silicon and oxygen, two of the most abundant elements in the Earth's crust. It is the main component of sand, quartz, and various types of rock. Silica in diatomaceous earth (DE) refers to silicon dioxide (SiO₂), the primary component of diatoms' cell walls. Diatoms are microscopic algae that live in water, and their fossilized remains make up diatomaceous earth. When diatoms die, their silica-based skeletons accumulate and compact over time, forming sedimentary deposits.

Diatomaceous earth typically contains about 80–90% silica. The silica in DE is amorphous, meaning it has a non-crystalline structure, which is safer than crystalline silica. However, when DE is heated to high temperatures (calcined DE), it can form crystalline silica, which is harmful when inhaled over time.

Silica is the primary component of food grade DE, contributing to its unique properties and applications. In food grade DE, silica exists in the amorphous or non-crystalline form. With filter grade DE, you have a product high in crystalline silica (quartz), that is highly toxic to mammals. The high silica content distinguishes food grade DE from other types and determines its suitability for various applications.

Silica (silicon dioxide, SiO₂) is an essential trace mineral that plays a vital role in various bodily functions. Although required in small amounts, it supports several health benefits, particularly for connective tissues, bones, skin, and hair. Here are some of the primary benefits of silica to the body:

1. Promotes Healthy Skin

Collagen Production: Silica plays a crucial role in the synthesis of collagen, a protein that helps maintain the skin’s elasticity and firmness. Adequate levels of silica can help reduce the appearance of wrinkles, improve skin hydration, and contribute to a youthful complexion.
Wound Healing: By supporting the formation of connective tissues, silica may help accelerate wound healing and reduce scarring.

2. Strengthens Hair and Nails

Hair Health: Silica contributes to the structural integrity of hair strands, making hair stronger, shinier, and less prone to breakage. It may also support hair growth by improving nutrient delivery to hair follicles.
Nail Health: Silica helps fortify nails, making them less brittle and prone to cracking or splitting.

3. Supports Bone Health

Calcium Utilization: Silica enhances the absorption and utilization of calcium, which is essential for bone formation and strength. It also plays a role in the mineralization of bones, contributing to bone density and overall skeletal health.
Prevention of Bone Disorders: Adequate levels of silica may reduce the risk of conditions like osteoporosis by promoting stronger bones and reducing the likelihood of fractures.

4. Improves Joint Health

Connective Tissue Support: Silica is a key component of the body’s connective tissues, including cartilage, tendons, and ligaments. It helps maintain joint flexibility and integrity, reducing the risk of joint pain and stiffness, especially in conditions like osteoarthritis.
Lubrication: By promoting the production of collagen and glycosaminoglycans, silica can improve joint lubrication, making movements smoother and less painful.

5. Boosts Cardiovascular Health

Arterial Health: Silica contributes to the maintenance of arterial walls by promoting the production of elastin and collagen, which helps arteries remain flexible. This elasticity is important for regulating blood pressure and maintaining overall cardiovascular health.
Heart Protection: Studies suggest that silica may help prevent the hardening of arteries (atherosclerosis), thereby reducing the risk of heart disease.

6. Enhances Digestive Health

Detoxification: Silica helps the body eliminate toxins and heavy metals, which can accumulate over time and negatively impact health. It binds to harmful substances in the digestive tract and facilitates their removal through waste.
Gut Lining Support: Silica may help strengthen the connective tissues in the gastrointestinal lining, reducing inflammation and promoting a healthier digestive system.

7. Supports Immune System

Tissue Regeneration: Silica contributes to the formation and maintenance of epithelial tissues, which act as barriers against infections and harmful substances. This tissue regeneration supports the immune system by keeping protective barriers intact.
Detoxification: By aiding the removal of toxins from the body, silica indirectly supports the immune system, helping it function more effectively.

8. Improves Hair and Skin Aging

Slows Aging: Due to its role in collagen synthesis, silica may help delay the signs of aging by keeping the skin firm and elastic. It also prevents the thinning of hair and the weakening of nails that can occur with age.

9. Promotes Healthy Teeth and Gums

Dental Health: Silica supports the integrity of teeth and gums by strengthening the enamel and promoting healthy connective tissues within the mouth. It may help reduce the risk of gum disease and tooth decay.

10. Assists in Healing Fractures

Bone Regeneration: Silica has been shown to accelerate the healing process of fractures by promoting collagen formation and improving calcium absorption, which are critical for bone repair and regeneration.

Silica is a versatile mineral that contributes to numerous aspects of health, from promoting collagen production for healthy skin, hair, and nails to supporting bone strength and joint flexibility. While the body needs only trace amounts of silica, ensuring adequate intake through diet or supplements can offer substantial benefits, particularly for those looking to maintain youthful skin, strong bones, and overall well-being.

Composition of Diatomaceous Earth

Diatomaceous Earth (DE) is made from fossilized remains of diatoms, single-celled plants found in lakes and oceans. These diatoms absorb minerals from water, forming silica-rich shells. Over millions of years, these shells accumulated and fossilized, especially in the Reno, NV region, forming large deposits. These diatoms, specifically Aulacoseira from the Miocene Epoch, created DE when dinosaurs roamed the earth. The product we offer is 100% freshwater DE. Oregon State University Extension Services has a Diatomaceous Earth General Fact Sheet that states, "Silica is very common in nature and makes up 26% of the earth's crust by weight." Silica makes up a majority of what these diatoms absorbed to form what diatomaceous earth is today.

Properties of Food Grade Diatomaceous Earth

Food grade DE is highly versatile due to its unique properties. It contains over 80% silica, providing strength and structural integrity. Its porous structure allows it to absorb moisture and gases, making it ideal for absorbent and filtration applications. DE's fine, abrasive particles make it effective for pest control and polishing. Chemically inert and stable, DE retains its properties in various environmental conditions. These characteristics make food grade DE valuable for diverse applications.

High Silica Content

Food-grade diatomaceous earth (DE) is renowned for its high silica content, typically comprising around 80-90% amorphous silica. This high silica content is what makes DE valuable for both health and industrial uses. With silica typically exceeding 80%, it contributes to the strength and elasticity of various tissues in the body. This property is believed to offer potential benefits for animal health.

Other Physical & Chemical Properties

In addition to its high silica content, porous structure, abrasive nature, and chemical stability, food grade DE possesses other notable physical and chemical properties. These may include low density, heat resistance, low thermal conductivity, and an ability to act as a pH stabilizer. These properties further enhance its versatility and suitability for a wide range of applications.

Applications of Diatomaceous Earth

diatomaceous earth applied on garden bed.webp

Diatomaceous earth (DE) finds numerous applications across various industries. In pest control, DE's abrasive nature is utilized to control insects and pests by damaging their exoskeletons and dehydrating them. DE's porous structure and high absorption capacity make it valuable in filtration systems for water, air, and other fluids. In agriculture and gardening, DE serves as a natural pesticide, soil conditioner, and mineral supplement. It is used in animal feed as an anti-caking agent and to promote digestion. DE is also employed in personal care products like toothpaste, facial scrubs, and deodorants for its abrasive and absorbent properties. We some great pages on how to use diatomaceous earth here and some other information about diatomaceous earth uses here.

Pest Control

DE is widely used in pest control applications. The National Pesticide Information Center states that, "The first pesticide products containing silicon dioxide (diatomaceous earth) were registered in 1960 to kill insects and mites." But how does diatomaceous earth work to kill insects? Its abrasive nature damages the exoskeletons of insects, leading to dehydration and ultimately their demise. DE is applied as a natural and non-toxic alternative to chemical pesticides, making it effective for controlling pests like ants, cockroaches, fleas, bed bugs, ticks, spiders, and garden pests. It can be applied as a dust or mixed with water for spray applications, providing long-lasting pest control solutions.

Animal Feed Additive

Food grade DE serves as an animal feed additive. It is used to prevent caking and clumping in animal feed, ensuring consistent flowability. DE also helps in controlling internal parasites in livestock by disrupting their exoskeletons. It is considered safe for animals and is commonly added to feed for poultry, cattle, horses, and pets. No, we don't market the health benefits for humans, sorry. Our 50lb bags of "The Dirt" are omri listed.

Other Uses

Food grade diatomaceous earth (DE) has various other applications beyond those mentioned. It is used as a natural abrasive in polishing agents, as an ingredient in paint and coatings to enhance texture, and as an additive in insulation materials for its thermal properties. DE is also employed in cat litter, as an odor absorber, and in wastewater treatment to remove impurities. Its versatility makes it valuable in numerous industries and products.

Manufacturing Process of Diatomaceous Earth

The manufacturing process of food grade DE involves several steps to ensure its purity and quality. These steps include harvesting diatomaceous earth crust, cleaning and drying the raw material, grinding and milling to achieve the desired particle size, and optionally, additional processing techniques for specific applications.

Harvesting Diatomaceous Earth

Food grade DE is sourced from fossilized diatom deposits found in both freshwater and marine environments. The selection of suitable deposits is critical to obtaining high-quality DE free from contaminants.

Grinding & Milling Diatomaceous Earth

The grinding and milling process is a crucial step in the manufacturing of food grade DE. After cleaning and drying, The Dirt is finely ground and milled to achieve the desired particle size. This process ensures uniformity and enhances the effectiveness of the final product. The fine powder obtained from grinding and milling allows for easy dispersion and application in various industries and applications.

Additional Processing Techniques For Diatomaceous Earth

In some cases, additional processing techniques may be employed during the manufacturing of food grade DE. These techniques can enhance its properties for specific applications. Examples include calcination, which involves subjecting the DE to high temperatures to increase its absorption capacity, and acid treatment which can modify its surface properties. These additional processes optimize the performance of food grade DE in various industries.

Environmental Impact of Diatomaceous Earth

The environmental impact of food grade DE is generally considered minimal. DE is a naturally occurring substance, and its extraction and processing do not involve harsh chemicals or energy-intensive processes. Our diatomaceous earth products are registered OMRI organic. It is non-toxic and biodegradable, posing minimal risk to ecosystems and water sources when used responsibly. However, the disposal of large quantities of DE waste should be done properly to prevent potential accumulation in the environment. Additionally, sustainable sourcing practices, such as minimizing transportation distances and selecting environmentally responsible mining sites, can further reduce the environmental footprint of DE production. Some research was conducted by Oregon State University regarding the safety of animals that are exposed to diatomaceous earth here!

Sustainability

The environmental impact of food grade DE is relatively sustainable. DE is a naturally occurring resource and its extraction process is typically low impact. Sustainable practices such as responsible mining, minimizing waste generation, and promoting efficient transportation can further enhance the sustainability of DE production and minimize its environmental footprint. Additionally, proper waste management and disposal procedures can ensure that DE does not accumulate in the environment and remains an environmentally friendly material choice.

Waste Management

Proper waste management is crucial to minimize the environmental impact of food grade diatomaceous earth (DE). DE waste should be handled and disposed of responsibly, following local regulations and guidelines. Recycling or reusing DE waste whenever possible can reduce the need for disposal and promote a more sustainable approach to waste management. By adopting responsible waste management practices, the environmental footprint of DE can be minimized, ensuring its sustainable use and reducing potential impacts on the environment.

Eco-Toxicity and Environmental Persistance

Food grade DE generally exhibits low eco-toxicity and environmental persistence. DE is biodegradable and does not accumulate in ecosystems. It poses minimal risk to aquatic life and does not have long-term negative effects on the environment. When used responsibly and disposed of properly, DE has a low environmental impact and is considered environmentally friendly.

Regulatory Framework and Standards of Diatomaceous Earth

The regulatory framework and standards for diatomaceous earth (DE) vary depending on the region and its intended use. In many countries, DE used in food and agriculture is subject to regulations and standards set by food safety agencies. These regulations typically ensure that DE meets specific purity criteria and does not contain harmful contaminants. In some cases, DE may also need to comply with labeling requirements and maximum residue limits. Additionally, occupational health and safety regulations govern the handling and use of DE in industrial settings. Adhering to these regulatory frameworks and standards ensures the safe and proper use of DE in various applications.

Food Grade Standards and Regulations

The regulatory framework for food grade diatomaceous earth (DE) involves adherence to specific standards and regulations to ensure its safety and suitability for use in food applications. These standards typically specify maximum limits for impurities, heavy metals, and microbiological contaminants. DE intended for food use must meet these standards and often requires certification or compliance with food safety agencies' guidelines to ensure its quality and safety for consumers. Compliance with the food and drug administration ensures that food grade DE meets the necessary requirements for use in the food industry.

Cosmetics and Personal Care Standards

The regulatory framework for diatomaceous earth (DE) in cosmetics and personal care products is governed by various regulatory bodies and standards depending on the region. These standards ensure the safety and quality of DE in cosmetics, setting limits for impurities and contaminants to protect consumers. Compliance with these standards ensures that DE meets the necessary requirements for use in cosmetic formulations, ensuring the safety and efficacy of personal care products containing DE.

Agricultural and Horticultural Standards

The regulatory framework for diatomaceous earth (DE) in agricultural and horticultural applications may vary across different regions. Generally, DE used in agriculture must comply with standards related to pesticide residues, heavy metals from water content, and other contaminants. Regulatory bodies set guidelines to ensure its safe use as a natural pest control agent and soil amendment. Adhering to these standards and regulations ensures that DE meets the necessary requirements for agricultural and horticultural purposes, promoting responsible and sustainable use in these sectors. Here is a directive found from the USDA regarding grading and certification of grain that contains diatomaceous earth.

Future Developments and Research with Food Grade Diatomaceous Earth

Future developments and research with food grade diatomaceous earth (DE) are focused on exploring its potential applications and optimizing its properties. Scientists are also investigating innovative ways to modify DE's properties for specific applications, such as enhancing its absorbency or developing new formulations for targeted delivery. Additionally, efforts are underway to improve DE extraction methods, reduce environmental impact, and ensure sustainable sourcing practices. Ongoing research and development aim to unlock the full potential of food grade DE across various industries and promote its safe and effective use. Our friends at Diatomaceous Earth Online have some great research articles on diatomaceous earth to check out!

Emerging Applications

Research is underway to explore its use in drug delivery systems, nanotechnology, and environmental remediation. These emerging applications have the potential to expand the utilization of food grade DE and further enhance its value in various fields.

Environmental Sustainability Initiatives

Efforts are being made to explore sustainable sourcing methods, reduce energy consumption during production, and develop eco-friendly extraction techniques. Researchers are also investigating ways to enhance the recyclability and biodegradability of DE products, promoting a more sustainable life cycle for this versatile material. These initiatives aim to minimize the environmental impact of DE production and ensure its long-term sustainability in line with global environmental goals.

Advancements in Manufacturing Techniques

Efforts are underway to improve grinding and milling processes to enhance the consistency and quality of DE particles. Furthermore, researchers are exploring innovative manufacturing methods such as spray drying and granulation to produce DE in different forms, enabling easier handling and application in various industries. These advancements aim to optimize the manufacturing process of food grade DE and improve its functionality and usability in diverse applications.

Summary & Conclusion for Diatomaceous Earth

10lb bag of earthworks health diatomaceous earth

Food grade diatomaceous earth (DE) is a versatile and valuable substance with a wide range of applications across various industries. Understanding its manufacturing process, properties, application of diatomaceous earth, safety considerations, environmental impact, regulatory impact, and sustainability initiatives is essential for maximizing its benefits while minimizing potential risks.

The manufacturing process of food grade diatomaceous earth involves extraction, drying, grinding, and milling. This process ensures the production of a fine powder with consistent particle size and high purity. Additional processing techniques may include calcination, purification, and surface treatment, depending on the desired application.

Food grade diatomaceous earth is characterized by its high silica content, porous structure, abrasive nature, inertness, and chemical stability. These properties make it suitable for a wide range of applications. It is used in pest control as a natural and non-toxic alternative, in filtration systems for water and air purification, in agriculture and gardening as a pesticide and soil conditioner, in animal feed as an anticaking agent, and in personal care products for exfoliation and absorbency.

While food grade diatomaceous earth is generally considered safe, certain safety considerations must be taken into account during the application of diatomaceous earth. Inhalation of large amounts of DE powder should be avoided, and proper personal protective equipment should be used when handling it. Responsible waste management is also important to prevent environmental contamination. Adhering to occupational health and safety regulations ensures the safe use of DE in industrial settings.

The environmental impact of food grade diatomaceous earth is generally minimal. It is a naturally occurring substance that is biodegradable and non-toxic. Proper waste management and disposal practices are crucial to prevent environmental accumulation. Sustainable sourcing practices, such as responsible mining and efficient transportation, further reduce its environmental footprint. Future developments and research aim to enhance the sustainability of DE production, exploring Eco-friendly extraction methods, reducing energy consumption, and improving recyclability.

The regulatory framework and standards for food grade diatomaceous earth vary depending on its intended use. For food application of diatomaceous earth, DE must meet specific purity criteria and comply with regulations set by food safety agencies. Agricultural and horticultural standards ensure the safe and effective use of DE as a natural pest control agent and soil amendment. Compliance with these standards ensures consumer safety and product quality.

Sustainability initiatives are a key focus in future developments and research with food grade diatomaceous earth. Efforts are being made to explore sustainable sourcing methods, optimize manufacturing techniques, and reduce the environmental impact of DE production. Innovations in waste management, recyclability, and biodegradability contribute to its long-term sustainability.

In conclusion, food grade diatomaceous earth is a valuable material with diverse applications, driven by its unique properties and benefits. Understanding the manufacturing process, properties, applications, safety considerations, environmental impact, regulatory impact, and sustainability initiatives associated with DE is crucial for its responsible and effective use. Ongoing research and development in these areas aim to unlock the full potential of food grade diatomaceous earth while promoting its safety, sustainability, and environmental compatibility in various industries.