Water quality analyzer of recycling regenerated and reused agricultural_water quality testing instrument of urban sewage reuse farmland irrigation

The contents of project

1、Basic control items and maximum limit values of water quality items for urban sewage recycling and agricultural irrigation water use：

Serial No.	Basic control items	Irrigation crop types
Serial No.	Basic control items	Fiber crops	Upland crop Oil crops	Paddy crops	Open field vegetables
1	BOD₅	100	80	60	40
2	COD_Cr	200	180	150	100
3	SS	100	90	80	60
4	DO ≥	0.5
5	pH（non-dimensional）	5.5 ~ 8.5
6	TDS	1000 in non saline alkali land areas and 2000 in saline alkali land areas			1000
7	chlorine ions	350
8	sulfide	1.0
9	residual chlorine	1.5		1.0
10	oil	10		5.0	1.0
11	volatile phenols	1.0
12	anionic surfactants	8.0		5.0
13	mercury	0.001
14	cadmium	0.01
15	arsenic	0.1		0.05
16	hexavalent chrome	0.1
17	lead	0.2
18	thermotolerant coliforms/（pcs/L）	40000			20000
19	aerobic bacterial count/（pcs/L）	2
Note: The unit is milligrams per liter.

2、Technical parameters of the reuse of urban recycling water of farmland irrigation water：

Serial No.	Items	Measuring range	Unit	Maximum deviation	Analysis methods	Standard basis
1	BOD₅	0-4000	mg/L	±8%	Dilution and seeding method	HJ 505
2	COD_Cr	5-2000	mg/L	5%	Dichromate method	HJ 828
3	SS	5-1000	mg/L	≤2%(F.S.)	Light scattering method	——
4	DO	0-20.0	mg/L	±0.2	Electrochemical probe method	GB/T 11913
5	pH	0.00-14.00	——	±0.1	Glass electrode method	GB/T 6920
6	TDS	0.0mg/L～199.9g/L	g/L	±0.5% (F.S.)	Solid to solid ratio method	GB/T 14415
7	chlorine ions	0.20-100.0	mg/L	5%（F.S.）	Silver nitrate titration method	GB/T 11896
8	sulfide	0.005-1.000	mg/L	5%（F.S.）	Methylene blue spectrophotometric method	GB/T 16489
9	residual chlorine	0.02-10.00	mg/L	0.1 or 5%	Spectrophotometric method using N，N-diethyl-1，4-phenylenediamine	GB/T 11898
10	oil	0.00～900.00	mg/L	RSD＜0.6%	Infrared photometric method	GB/T 16488
11	volatile phenols	0.20-10.0	mg/L	5%（F.S.）	After distillation by means of 4-AAP spectrophotometric method	GB/T 7490
12	anionic surfactants	0.01-1.0	mg/L	5%（F.S.）	Methylene blue spectrophotometric method	GB/T 7494
13	mercury	0.002-0.50	mg/L	5%（F.S.）	Cold atomic absorption spectrophotometry	GB/T 7468
14	cadmium	0.05-0.50	mg/L	5%（F.S.）	Spectrophotometric method with dithizonc	GB 7471
15	arsenic	0.004-0.500	mg/L	5%（F.S.）	Atomic fluorescence spectrometry	HJ 694
16	hexavalent chrome	0.01-1.00	mg/L	5%（F.S.）	1,5 Dtphenylcarbohydrazide spectrophotometric method	GB 7467
17	lead	0.01-0.50	mg/L	5%（F.S.）	Atomic absorption spectrometry	GB 7475
18	thermotolerant coliforms	——	MPN/L	——	Manifold zymotechnics	HJ 347.2
19	aerobic bacterial count	——	pcs/L	——	Determination nature sedimentation method	HJ 775

3、Products list of the reuse of urban recycling water of farmland irrigation water：

序号	产品型号	产品名称	项目参数	产品图片
1	ERUN-ST-MU97	Laboratory benchtop multi-parameter water quality analyzer	CODCr, SS, DO, pH, TDS, chlorine ions, sulfide, residual chlorine, volatile phenols, anionic surfactants, mercury, cadmium, arsenic, hexavalent chrome, lead
2	ERUN-BY-2A	Intelligent water quality BOD5 testing instrument	BOD₅
3	ERUN-ST-OD380	Laboratory benchtop infrared spectrophotometer	oil
4	ERUN-SP-MD690	Portable water quality microbiological tester	thermotolerant coliforms, aerobic bacterial count

Note: Analysis parameter items can be flexibly combined and selected according to the customer's own needs.

4、The part list of the reuse of urban recycling water of farmland irrigation water：

Serial No.	Name	Specifications	Quantity
1	Colorimetric tube	Ф25×95mm	10
2	Colorimetric tube	Ф16×110mm	10
3	Test tube rack	White	2
4	Pipette gun	Minimum graduation 0.1mL	1
5	Cuvette	50×25×70mm	2
6	Lens hood	Black	1
7	COD_Cr reagent	250 times/set	1
8	Chlorine ions reagent	50 times/set	1
9	Sulfide reagent	50 times/set	1
10	Residual chlorine reagent	100 times/set	1
11	Volatile phenols reagent	100 times/set	1
12	Anionic surfactants reagent	20 times/set	1
13	Mercury reagent	50 times/set	1
14	Cadmium reagent	50 times/set	1
15	Arsenic reagent	50 times/set	1
16	Hexavalent chrome reagent	100 times/set	1
17	Lead reagent	50 times/set	1
18	Multi functional CNC digestion instrument	ERUN-DIG-1D	1
19	Biochemical incubator	ERUN-SHX100	1
20	Temperature electrode	/	1
21	DO composite electrode	/	1
22	PH composite electrode	/	1
23	Conductivity（TDS）electrode	/	1
24	Chargers and charging cables	/	1
25	USB cable	/	1
26	Instruction manual	/	1
27	Product certificate /Product warranty card	/	1

Note: Analysis parameter items can be flexibly combined and selected according to the customer's own needs.

The reuse of urban recycling water of farmland irrigation water

1、Basic control items and maximum limit values of water quality items for urban sewage recycling and agricultural irrigation water use：

2、Technical parameters of the reuse of urban recycling water of farmland irrigation water：

3、Products list of the reuse of urban recycling water of farmland irrigation water：

4、The part list of the reuse of urban recycling water of farmland irrigation water：