Sapropel

Appearance of sapropel
Sapropel is the centuries-old bottom sediments of freshwater reservoirs, which were formed from dead aquatic vegetation, remains of living organisms, plankton, also particles of soil humus, containing large amounts of organic substances, humus: lignin-humus complex, carbohydrates, bitumen and others in colloidal state.
Underwater world of the reservoir

The chemical composition of sapropels varies greatly depending on the reservoir in which it was formed.


In general, all sapropels are a composition of 3 main components:

  • biologically active;
  • organic;
  • mineral.

Depending on their share in the finished product, chemists distinguish 4 types of sapropels according to the predominant component in the composition:

  • carbonate;
  • glandular;
  • siliceous;
  • organic.

Sapropel produced by ALC "AGROSEMPRODUCT"

According to the supplementary exploration and assessment of mineral reserves (abstract to the report on supplementary exploration) carried out in 2017 by the State Scientific Institution "Institute of Nature Management of the National Academy of Sciences of Belarus" on the Mlynok-2 site of the Udhovda deposit there are reserves of organic and siliceous type sapropel in the amount of 106.93 thousand tons (at conditional moisture of 60%) or in the volume of 198.73 thousand m³.

ALC "AGROSEMPRODUCT" produces exclusively organic sapropel with the following indicators:
1. Chemical analysis of the sapropel composition (test report №651-khal/2016 dated 31.08.2016, sample № 864):
2. The actual value of the mass concentration of chemical elements and specific activity of cesium-137 (test report №1618/2016 dated 17.08.2016, sample № 1618/2):
3. Microbiological examination (test report № 09-28963-28964-2019 dated 10.01.2019, samples № 28963, 28964):
4. Сhemical analysis of the sapropel composition (test report № 49-hal/2019 dated January 30, 2019, samples No.3290 - organic sapropel):
5. Analysis of trace elements content (test report № 56 of 14.05.2021, sample № 41/2):
In the chemical analysis of the sapropel composition from 2019 (item 4), there is a "Moisture" parameter equal to 78.95% (sample # 3290) and 77.01% (sample # 3291). This is the total (natural) moisture of the raw material extracted at the site. Total moisture includes free and bound moisture.
Bound moisture is associated water, firmly bound to the various components of sapropel by chemical and physical bonds. The greater the amount of organic matter in the sapropel, the higher its bound moisture.

Free moisture is the moisture that can be easily removed from the product.
After thermal processing at the equipment of ALC "AGROSEMPRODUCT" total moisture of sapropel can be lowered to 40-50%, depending on the requirements of the buyer. In this case, the content of bound moisture can be up to 25-30%. Consequently, free moisture in thermally treated sapropel will be 15-20%.

Lowering the moisture content, it is important not to forget that together with removed from sapropel moisture is also removed part of the useful and nutritious substances. Therefore, it is not recommended to lower the total moisture content below 40-50%. Already at 40-50% moisture content sapropel is a dry dusty powder to the touch.

How much does sapropel weigh?

Depending on the water saturation, sapropel has different bulk density. Bulk density is the mass of the bulk material in the volume of free fill. The table shows the bulk density of sapropel depending on its moisture level.

Nominal weight and packaging

  • up to 15 kg in polyethylene bags;
  • up to 1000 kg in polypropylene soft containers (Big-Bag);
  • other weight and type of packaging as agreed with the customer.

HS code

HS codes are used for customs operations, such as declaration or collection of customs duties, and are available on the official website of the Eurasian Economic Commission.

Sapropel corresponds to HS code: 3101 00 000 0 - Fertilizers of animal or vegetable origin, mixed or unmixed, chemically treated or unprocessed; fertilizers obtained by mixing or chemically treating products of plant or animal origin
Examples of declarations under this code
Synopsis by www.ifcg.ru
FERTILIZERS OF PLANT OR ANIMAL ORIGIN, MIXED OR UNMIXED-SOIL; SOIL-SOIL. ORGANIC CLAY SAPROPEL NAME OF THE INDICATOR CONTENT OF THE MASS FRACTION OF DRY MATTER, %, NO LESS, INCL. ORGANIC MATTER (INCLUDING HUMIC ACIDS) , NOT LESS THAN 30 TOTAL NITROGEN (NO3-+NH4+) , NOT LESS THAN 1, 0 TOTAL PHOSPHORUS (; (COMPANY) LTD.

MIXED FERTILIZERS OF PLANT ORIGIN; UNIVERSAL CONCENTRATED PEAT AND SAPROPEL-BASED LIQUID FERTILIZER, INTENDED FOR PROCESSING SEEDS, ROOTS, RHIZOMES AND CUTTINGS, FOR ROOT AND FOLIAR DRESSING OF VEGETABLES, FRUITS, BERRIES, FLOWERS AND ORNAMENTAL PLANTS; (COMPANY) URALEKOSOIL CJSC; (TM) HUMIMAX

FERTILIZERS OF PLANT ORIGIN, MIXED OR UNMIXED-SOIL; SOIL-SOIL. ORGANIC-CLAY SAPROPEL, IS A FERTILIZER ON THE BASIS OF MUDDY LAKE SEDIMENTS. TOTAL 16362 KG ; (FIRM) ECOTERRA; (TM) NOT MARKED

ORGANIC FERTILIZER OF PLANT ORIGIN (SAPROPEL) IN THE FORM OF DRY POWDER - SEDIMENTS OF FRESHWATER RESERVOIRS FROM ORGANIC MATTER AND MINERAL IMPURITIES, FORMED FROM THE REMNANTS OF PLANT AND ANIMAL ORGANISMS. IT IS INTENDED FOR USE BOTH IN PURE FORM, AND AS AN ADDITIVE TO FERTILIZER MIXTURES AND COMPOSTS. PACKED IN 700 KG BIG-BAGS. (FIRM) LIMITED LIABILITY COMPANY ECOLOGY AND FERTILITY; (TM) NOT AVAILABLE

ORGANIC FERTILIZER OF PLANT ORIGIN (SAPROPEL) IN THE FORM OF DRY POWDER - SEDIMENTS OF FRESHWATER RESERVOIRS FROM ORGANIC MATTER AND MINERAL IMPURITIES, FORMED FROM THE REMNANTS OF PLANT AND ANIMAL ORGANISMS. IT IS INTENDED FOR USE BOTH IN PURE FORM, AND AS AN ADDITIVE TO FERTILIZER MIXTURES AND COMPOSTS. PACKAGED IN BIG-BAGS-322 PCS. ; (FIRM) "DV CORPORATION OF ORGANIC RESOURCES" LTD; (TM) NOT MARKED

Sources

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ALC "AGROSEMPRODUCT"
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