recycling of sludge in Vietnamese
@Chuyên ngành kỹ thuật
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Sentence patterns related to "recycling of sludge"
1. Method for sulphuric acid treatment and recycling of blast furnace sludge
2. Start the aeration such that the sludge is kept in suspension and in an aerobic state and begin dosing the influent and recycling the settled sludge.
3. The invention enables processing waste sludge after galvanic treatment of metals, and particularly recycling spent pickling acids after pickling.
4. Sludge and spent clay may also be reused as fuel, or treated for acid recycling or lead recovery (Weinstein et al., 1982).
5. Soil sludge, compost sludge, bio-sludge and clarified sludge mixers (machines)
6. This method also allows for the complete recycling of the deposit from primary settling tanks and of the excess active sludge after the biological purification of the effluent.
7. Recycling of scrap
8. Four different kinds of sludge were used: alum sludge (water treatment), waste-activated sludge, simultaneous precipitation, and anaerobically digested mixed sludge.
9. Screw conveyors, in particular for sludge, including digested sludge, industrial sludge or sewage sludge
10. - re-circulation of activated sludge and pumping off of excess sludge,
11. Recycling of coat hangers
12. Sludge collector having sludge collecting block
13. mean sludge age and mean hydraulic retention time; method of sludge wastage; methods of overcoming bulking, loss of sludge, etc. ;
14. mean sludge age and mean hydraulic retention time; method of sludge wastage; methods of overcoming bulking, loss of sludge, etc.
15. Sludge heating unit, sludge heating method, and sludge hydrolysis apparatus using same
16. Guarantee proper operation of secondary clarifier sludge collection and return sludge pumping
17. The digested sludge is dewatered and the liquid sludge fraction and the liquid component of the dewatered digested sludge is passed to an activated sludge tank (6).
18. Digestion of organic sludge
19. Method for the calculation of the recycling efficiency of the recycling process of waste batteries and accumulators
20. - Activated sludge : sludge sampling sites and concentration,
21. - Recirculation of activated sludge
22. Treatment of sludge, in particular fatty sludge, by means of hydrolysis and aerobic digestion of fats
23. The sludge is pumped into a sludge digester, and from there it goes into the sludge chamber.
24. SLUDGE ACID
25. - removal of excess activated sludge,