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In the paper, it is introduced current treatment processes and utilization ways of coking high salinity wastewater as well as analyzed the restraining factors and solutions for technologies of salt separation and crystallization in treatment of coking wastewater. The treatment scheme of deep oxidation, salt separation and crystallization for coking high salinity wastewater is adopted by a coke making enterprise based on the existing biochemical treatment, deep treatment and membrane concentration treatment to further remove such pollutants as organic matters, ammonia nitrogen and fluoride in coking high salinity wastewater so that wastewater recycling is realized. Moreover, the recycling and zero discharge of coking wastewater are realized through producing such two high quality by products of crystal salt as sodium chloride and sodium sulfate by evaporation crystallization.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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