Anaerobic Digesters & Reactors

NS Series GN is a scientifically blended formulation consisting of specially selected, adapted and cultured anaerobic and facultative bacterium plus enzymes and special buffers for use in anaerobic digesters/reactors. Designed for wastewater and sludge emanating from the following industries: chemical industries, food processors, distillery wastes, sugar mill wastes, canneries, textile manufacturing, refineries, livestock production, etc., for efficient start-up and faster degradation of organic metabolites under anaerobic conditions.

FEATURES:

	Improves reduction of high BOD &COD
	Removal of H₂S
	Increases methane gas production
	Odor & color removal
	Faster supernate
	Improves reduction of volatile solids
	Lessens scum & grease ball formation in digesters

CHARACTERISTICS:

pH	pH - 6.5 to 8.0
Appearance	Free flowing tan powder
Odor	Yeast-like
Moisture content	15%
Bulk density	0.50 to 0.61 g/cm³
Standard packaging	25 kg. drum with polyliner

OPTIMUM CONDITIONS:

Bacteria and enzymes present in NS Series GN perform within a pH range of 5.5 to 9.0 with the optimum near pH 7.5.

APPLICATION:

Organic waste reduction in :

	All types of Anaerobic digesters or reactors
	Anaerobic Lagoons
	Anaerobic filters
	Anaerobic fluidized bed reactors
	Septic tanks
	Manure collection pits

STORAGE & HANDLING:

Store in cool dry place. Keep out of direct sunlight. Avoid direct inhalation. Wash hands with warm after handling.

DOSAGES:

Dosage levels vary widely with each application based on actual evaluation of existing conditions. Precise recommendation may be made upon ocular inspection of wastewater treatment facilities and analysis of wastewater samples. Testing Is available upon request.

ANAEROBIC METHANE PRODUCTION:

	25 Liter Digester
	Start-up: June 15, 1988
	Initial Collection: June 17, 1988
	Run Termination: 30 days

Day	Dosage	Control Digester Vol/Gas/ml	pH	Methane	CO₂	Experimental Digester Vol/Gas/ml	pH	Methane
1	2.5 gm	510	7.5	79.7	20.3	1175	7.5	85.7%
2	2.5 gm	1625	7.6			2630	7.5
3	2.5 gm	2030	7.4			2845	7.4
4	1.0 gm	2152	7.3			3015	7.3
5	1.0 gm	1270	7.5			3375	7.2
6	1.0 gm	1345	7.2			3650	7.2
7	1.0 gm	1385	7.0	80.3	19.7	3765	7.3	89.2%
8	1.0 gm	1410	6.9			3565	7.3
9	1.0 gm	1875	7.2			3280	7.4
10	1.0 gm	1700	7.2			3000	7.2
11	0.5 gm	2095	7.1			2965	7.2
12	0.5 gm	2315	7.3			2875	7.1
13	0.5 gm	2664	7.1			3200	7.3
14	0.5 gm	2662	7.2	79.5	20.5	3310	7.2	89.4%
15	0.5 gm	2920	7.1			3515	7.1
16	0.0 gm	2715	7.2			3150	7.1
17	0.0 gm	2638	7.2			2720	7.2
18	0.0 gm	2650	7.2			2545	7.2
19	0.0 gm	2275	7.2			2355	7.2
20	0.0 gm	1680	7.0			1260	7.2
21	0.0 gm	1465	6.9	80.7	19.3	1550	7.0	88.6%
22	0.0 gm	1615	7.0			1500	7.1
23	0.0 gm	1340	7.1			1375	7.1
24	0.0 gm	1285	7.0			1420	7.0
25	0.0 gm	1290	7.0			1340	7.1
26	0.0 gm	1275	7.0			1295	7.0
27	0.0 gm	1250	6.8			1270	7.0
28	0.0 gm	1255	7.0	78.5	21.5	1225	7.1	86.8%
29	0.0 gm	1240	6.9			1265	7.1
30	0.0 gm	1235	7.0			1260	7.1

Control Gas Volume:
53.163 ml Control Methane Gas: 79.4% CO₂ 20.26%

Experiment Gas Volume:
71,455 ml Experiment Methane Gas: 87.94% CO₂ 12.06%

BOD reduction: 88.9%

Waste treated: activated sludge from municipal treatment plant (MSW)

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