Method for deodorizing kitchen waste and simultaneously enhancing acid production
A technology of kitchen waste and activated carbon, which is applied in the direction of chemical instruments and methods, separation methods, inorganic chemistry, etc., can solve problems such as easy generation of malodorous gas, restrictions on the popularization and application of anaerobic fermentation technology, and limited effect of odor treatment, and achieve effective Facilitate growth and reproduction, reduce odorous gas, and be easy to operate
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Embodiment 1
[0017] Experimental group 1:
[0018] (1) Crushing the shell activated carbon to 2mm, pickling with 1.0M dilute nitric acid, drying at 60°C for later use;
[0019] (2) Add 2 g of dried activated carbon to 100 mL of FeCl with a concentration of 0.05 M 3 in solution;
[0020] (3) Under nitrogen protection, 0.2M NaBH 4 The solution was added dropwise to FeCl 3 In the mixed solution with activated carbon, use mechanical agitation to fully mix until no obvious bubbles are generated to obtain nano-iron-loaded activated carbon, which is stored in an anaerobic environment for later use;
[0021] (4) Add food waste and sludge with a solid content rate of 10% to anaerobic fermentation equipment (full-automatic methane potential analyzer (AMPTS-II)), wherein, the VS inoculation ratio of food waste and sludge 20, then add the nano-iron-loaded activated carbon prepared in step (3) to the anaerobic fermentation equipment, wherein the mass ratio of nano-iron-loaded activated carbon to ki...
Embodiment 2
[0026] Experimental group 2:
[0027] (1) Crushing the shell activated carbon to 2mm, pickling with 1.0M dilute nitric acid, drying at 60°C for later use;
[0028] (2) Add 4g of dried activated carbon to 100mL of FeCl with a concentration of 0.05M 3 in solution;
[0029] (3) Under nitrogen protection, 0.2M NaBH 4 The solution was added dropwise to FeCl 3 In the mixed solution with activated carbon, use mechanical agitation to fully mix until no obvious bubbles are generated to obtain nano-iron-loaded activated carbon, which is stored in an anaerobic environment for later use;
[0030] (4) Add food waste and sludge with a solid content rate of 10% to anaerobic fermentation equipment (full-automatic methane potential analyzer (AMPTS-II)), wherein, the VS inoculation ratio of food waste and sludge 20, and then add the nano-iron-loaded activated carbon prepared in step (3) in the anaerobic fermentation equipment, wherein the mass ratio of the nano-iron-loaded activated carbon ...
Embodiment 3
[0033] Experimental group 3:
[0034] (1) Crushing the shell activated carbon to 2mm, pickling with 1.0M dilute nitric acid, drying at 60°C for later use;
[0035] (2) Add 5g of dried activated carbon to 100mL of FeCl with a concentration of 0.05M 3 in solution;
[0036] (3) Under nitrogen protection, 0.2M NaBH 4 The solution was added dropwise to FeCl 3 In the mixed solution with activated carbon, use mechanical agitation to fully mix until no obvious bubbles are generated to obtain nano-iron-loaded activated carbon, which is stored in an anaerobic environment for later use;
[0037] (4) Add food waste and sludge with a solid content rate of 10% to anaerobic fermentation equipment (full-automatic methane potential analyzer (AMPTS-II)), wherein, the VS inoculation ratio of food waste and sludge 20, and then add the nano-iron-loaded activated carbon prepared in step (3) to the anaerobic fermentation equipment, wherein the mass ratio of the nano-iron-loaded activated carbon ...
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