food processing - Green Ring Technology (Tianjin) Co., Ltd

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022-29398436

Industry application

Sincere to the letter, meticulous, customer demand first, after-sales service for the survival value,

To provide comprehensive and effective water quality analysis technical support and system integration scheme for users.

food processing

Food safety is a systematic project, which involves policy, regulation, technology, equipment, process, circulation, management and other links. That is to say, it is a long and complex food chain system from farmland to dining table

Serial number	Basic control items		First class standard		Secondary standard	Class III standard
Serial number	Basic control items		A standard	B standard
1	Chemical oxygen demand (COD) (mg / L)		50／60	60	100／120	120
2	Biochemical oxygen demand (BOD) (mg / L)		10／20	20	30	60
3	Suspended solids (SS) (mg / L)		10／20	20	30	50
4	Animal and vegetable oil (mg / L)		1／20	3／20	5／20	20
5	Petroleum (mg / L)		1／10	3／10	5／10	15
6	Anionic surfactant (mg / L)		0.5／5	1／5	2／5	5
7	Total nitrogen (in n) (mg / L)		15	20	－	－
8	Ammonia nitrogen (in n) (mg / L)		5(8)/15	8(15)/15	25(30)/25	－
9	Total phosphorus (as P) (mg / L)	2005Construction before December 31, 2008	1	1.5	3	5
9	Total phosphorus (as P) (mg / L)	2006It was built on January 1, 2001	0.5	1	3	5
10	Chromaticity (dilution ratio)		30／50	30／50	40／80	50
11	pH		6－9
12	Number of fecal coliform (piece / L)		103	104	104	－

Serial number	Select control items	Standard value	Serial number	Select control items	Standard value
1	Total nickel	0.05	23	Trichloroethylene	0.3
2	Total beryllium	0.002	24	Tetrachloroethylene	0.1
3	Total silver	0.1	25	benzene	0.1
4	Total copper	0.5	26	Total benzene	0.1
5	Total zinc	1.0	27	O-xylene	0.4
6	Total manganese	2.0	28	P-xylene	0.4
7	Total selenium	0.1	29	M-xylene	0.4
8	Benzo (a) pyrene	0.00003	30	ethylbenzene	0.4
9	Volatile phenol	0.5	31	chlorobenzene	0.3
10	total cyanide	0.5	32	1, 4-dichlorobenzene	0.4
11	sulfide	1.0	33	1, 2-dichlorobenzene	1.0
12	formaldehyde	1.0	34	P-nitrochlorobenzene	0.5
13	Anilines	0.5	35	2, 4-dinitrochlorobenzene	0.5
14	Total nitro compounds	2.0	36	phenol	0.3
15	Organophosphorus pesticides (P)	0.5	37	M-cresol	0.1
16	malathion	1.0	38	2, 4-dichlorophenol	0.6
17	Dimethoate	0.5	39	2, 4,6-trichlorophenol	0.6
18	Parathion	0.05	40	Dibutyl phthalate	0.1
19	Parathion methyl	0.2	41	Dioctyl phthalate	0.1
20	Pentachlorophenol	0.5	42	acrylonitrile	2.0
21	Chloroform	0.3	43	Adsorbable organic halides (AOX is calculated by CL)	1.0
22	carbon tetrachloride	0.03		Adsorbable organic halides (AOX is calculated by CL)