Black Sodium Humate Granules Type I Processed from Xinjiang Weathered Coal Mine

Most sodium humate on the market is made from lignite bought on the open market. Ours starts in the Fukang weathered coal deposit in Xinjiang, where we hold the mining rights, and the material is hauled to our own plant rather than resold three times before it reaches a reactor. That chain is why we can keep the humic acid figure above 60% with total organic matter above 80% and still hold a stable price through the season.

The process is deliberately simple. Weathered coal is crushed, slurried with sodium hydroxide, reacted under controlled density, then settled in two stages over 48 hours to drop the grit and unreacted matter. The clear sodium humate liquor is concentrated and pumped to the drying floor, where it is turned by hand and machine until it crystallises into glossy black granules. Screening splits the output into 0.5-1.5 mm and 1.5-2.5 mm fractions, and a third cut can be produced to your specification.

Because the raw material is ours, we can also show the full chain to a buyer who asks hard questions: mine location, monthly extraction volume, reactor capacity, drying floor area and the assay history of the last twelve lots. For importers who need to defend a specification to their own customers, that documentation is often worth as much as the price.

• Own mine, own plant: weathered coal from our Fukang deposit in Xinjiang, reacted and dried at our Ningxia facility.
• Type I analysis: total humic acid ≥60%, total organic matter ≥80%, water solubility ≥100% by the HG/T method.
• Two-stage settling: 48 hours of settlement removes grit, so the finished granule dissolves without leaving sand in the tank.
• Air-dried crystallisation: no kiln treatment, preserving the active humic and fulvic fractions.
• Traceable lots: every bag carries a lot number that maps to a reactor batch, a drying date and a lab sheet.
• Customer screen sizes: 0.5-1.5 mm, 1.5-2.5 mm or a custom cut, screened to order rather than from mixed stock.

The Type I granule is the grade to specify when the end use is seed treatment or foliar work, because the fully soluble fraction matters more than the granule size. Seed soaking uses a 0.05-0.5% solution for 5-24 hours; rice and cotton take the longer end of that range, while most vegetables are fine at 6-8 hours. Dry seed coating is possible with the finer cut, mixed at 1-2 kg per 100 kg of seed immediately before sowing.

For soil application, the coarse cut at 1,500-3,000 kg per hectare incorporated before sowing remains the standard recommendation for acidic upland soil, while 750-2,250 kg per hectare is the working range for saline-alkali land combined with gypsum and a leaching irrigation. Buyers who blend their own NPK often take the Type I granule as the humate carrier because the solubility keeps the blend from dusting in the mixer.

We pack in 25 kg PP woven bags with PE liner, 40 bags per pallet, or 1,000 kg jumbo bags for bulk blending plants. Bags carry the lot number, production date, humic acid figure and net weight, and can be printed with your brand from 500 bags per size. A 20GP takes 25 tonnes palletised or 27 tonnes floor loaded.

Documentation includes COA per lot, English MSDS, packing list and, where the destination asks for it, a certificate of origin. Mine and plant audits are welcome: buyers or their inspection agents can visit the Fukang deposit and the Ningxia plant on a scheduled date, and we will arrange samples from the current stock for comparison. Our ISO 9001:2015 certificate is available in English and Chinese.