The Working Principle of DTH Drilling Rig #drillingequipment #drillingrig

The Working Principle of DTH Drilling Rig #drillingequipment #dthdrilling

Water Well Drilling Equipment #drillingequipment #drillingrig #drillrod #dthdrilling

Packing and Loading of 76x3 Lightweight Drill Pipe#drilling #drillingrig #drillingequipment

The Production Process of Drill Rods--I Water Well Drill Rod #drilling #drillpipe #drillingequipment

Solvent Method Notes for Decaffeinating Coffee #Decaffeination #caffeine #coffee

Solvent Method for Decaffeinating Coffee #Decaffeination #caffeine #coffeetime

Swiss Water Method for Decaffeinating Coffee #Decaffeination #caffeine #coffeelover

Carbon Dioxide Method for Decaffeinating Coffee #Decaffeination #caffeine #coffee

Why remove caffeine from coffee? | Activated Carbons for Caffeine #activatedcarbon #caffeine #coffee

Why are colloidal particles in the wastewater not easy to precipitate naturally? | Brownian Motion

Why does the wastewater use polypolyiron for flocculation and adsorption treatment? | Iron Hydroxide

What are the flocculation and the types of air flotation? | Air Flotation | Gas Fotation | Polymer

What is needle charcoal technology & Why should effluent pH be above 9? |Iron Carbon |Neutralization

What is mixed liquid volatile suspended solid & why does residual sludge produced? |Activated Sludge

What is the resin density and the role of the water filler? | Wet True Density and Wet-optic Density

What's adsorption effect,physical/chemical adsorption's characteristics? |Polyiron |Activated carbon

What is the sludge‘s composition, water source,stability and mechanical dehydration? |Centrifugation

What are the the anaerobic reaction and the two-phase digestion? |Decomposition |Anaerobic digestion

What are the secondary sedimentation tank& sewage slow/ fast water filtration system? |Water Quality

What is the activated sludge purification processes? | Wastewater |Oxidation |muddy-water separation

What is the growth curve of activated sludge? | Bacteria | Proliferation and Decay of Microorganisms

What is the sludge swelling, disintegration, decay, floating and foam? | Sewage Water Treatment

Activated sludge method, sludge sedimentation ratio and sludge index(SVI) | sewagetreatment

How to supply backwashing water?What is chlorination breakpoint? | flushing water pump | water tower

What is the water self-purification? | method of sewagetreatment | current sewage technologies

What are the ways for negative water head? | Water depth| Filter outlet| Siphon filter| Valve-free

What are the ways to improve the filtration efficiency? | Homogeneous filter material | filter layer

What are the rules of impurity distribution in the filter material layer? | filter layer | impurity

What are the first few types of precipitation? What are they? | sedimentation | muddy water | Sewage

Adsorption Bridge, Grille, Coagulation, and Sedimentation Tank | Sewage Water Treatment | Water Flow

Modern sewage treatment, colloid stability, electric power position | how to form large particles?

What is water eutrophication and dissolved oxygen? | overproliferation | organic matter | organisms

What are the sanitary standard of drinking water? | Microbiological Quality | biochemical method

What is water measurement indicators? | Biochemical oxygen | Chemical oxygen | Total organic carbon

What is the water self-purification? | method of sewagetreatment | current sewage technologies

Global Environmental News Summary July--2 #GlobalEnvironmental

Global Environmental News Summary July--1 #GlobalEnvironmental #environmentalnews #watertreatment

V Cheers Brief News--3

V Cheers Brief News 2--Global Environmental News Summary June

Global Environmental News Summary June--1 #GlobalEnvironmental #environmentalprotection

Tertiary treatment of sewage-12 #wastewater #watertreatment #chemicalsforwater #shorts

Tertiary treatment of sewage-11 #wastewater #watertreatment #chemicalsforwater #shots

It's my doll, my doll is perfect.

Tertiary treatment of sewage-10 #wastewater #watertreatment #chemicalsforwater #shots

Tertiary treatment of sewage-10 #wastewater #watertreatment #chemicalsforwater #shots

Tertiary treatment of sewage-9 #wastewater #watertreatment #chemicalsforwater #shots

Tertiary treatment of sewage-8 #wastewater #watertreatment #chemicalsforwater #shots

Tertiary treatment of sewage-7 #wastewater #watertreatment #chemicalsforwater #shots

Tertiary treatment of sewage-6 #wastewater #watertreatment #chemicalsforwater #shots

Tertiary treatment of sewage-5 #wastewater #watertreatment #chemicalsforwater #shots

Tertiary treatment of sewage-4 #wastewater #watertreatment #chemicalsforwater #shots

Tertiary treatment of sewage-3 #wastewater #watertreatment #chemicalsforwater #shots

Tertiary treatment of sewage-2 #wastewater #watertreatment #chemicalsforwater #shorts

Tertiary treatment of sewage-1 #wastewater #watertreatment #chemicalsforwater #shorts

Secondary treatment of sewage-7 #wastewater #watertreatment #chemicalsforwater #shorts

Secondary treatment of sewage-6 #wastewater #watertreatment #chemicalsforwater #shorts

Secondary treatment of sewage 5

Secondary treatment of sewage-4 #wastewater #watertreatment #chemicalsforwater #shorts

Secondary treatment of sewage-3 #wastewater #watertreatment #chemicalsforwater #shorts