Patent ID: 8778048

Claim:
A biochemical humic acid product, wherein the biochemical humic acid product comprises: 38-42 wt % of total humic acid; 35-40 wt % of free humic acid; and 14-16 wt % of water-soluble humic acid; and wherein the method of preparing the biochemical humic acid product comprises the following steps: 1) sieving collected kitchen waste without treatment to remove inorganic matters; 2) culturing a BGB high temperature compound bacteria, wherein the BGB high temperature compound bacteria includes bacillus subtilis, bacillus circulans, bacillus sphaericus, bacillus stearothermophilus, saccharomycete , and lactobacillus; 3) mixing the BGB high temperature compound bacteria culture, the sieved kitchen waste and water-adjusting substance, and adjusting moisture content of the mixture to 50-60%; and 4) fermenting at 60-80° C. for 8-10 h.