In Ethanol & Alcohol production process, the starches from agricultural products are converted in fermentable sugars with the help of enzymes. Lignocellulosic materials can be used to produce alcohol which is a kind of alternative energy that can replace the limited oil resources. Biomass based ethanol production is mainly composed of 2 steps: cellulose from lignocellulosic biomass is hydrolyzed to produce reduced sugar and reducing sugar is fermented to produce alcohol. Enzymatic hydrolysis of biomass will become the main means of future development because of its low energy consumption, product specificity and conforming to the government's environmental protection policy. Sunson Group supplys Xylanase, Pullulanase, Protease and Amylase for the ethanol & alcohol industry.
Ethanol
is made from various agricultural products including corn, cereal and tapioca
etc. During ethanol production process, the starches in these agricultural
products are converted into fermentable sugars with the help of enzymes. These
fermentable sugars are then fermented into ethanol by yeasts. Specifically, the
ethanol production process includes four stages: starch liquefaction, starch
saccharification, protein and non-starchy polysaccharides hydrolysis, and
fermentation.
Benefits:
Promote the growth and reproduction of yeast
This product should be stored in a cool and dry place in sealed container, avoiding insolation, high temperature and damp. The product has been formulated for optimal stability. Extended storage or adverse conditions such as higher temperature or higher humidity may lead to a higher dosage requirement.
Enzyme preparations are proteins, which may induce sensitization and cause allergic type reactions in sensitized individuals. Prolonged contact may cause minor irritation for skin, eyes or nasal mucosa, so any direct contiguity with human body should be avoided. If irritation or allergic response for skin or eyes develops, consult a doctor.
Alcohol And Ethanol Enzymes,Ethanol Enzymes,Alcohol Enzymes,Enzymes For Ethanol Production Sunson Industry Group Co., Ltd , https://www.sunsonchinaenzymes.com
Improve the efficiency of fermentation
Promote the utilization of raw materials
Increase the starch conversion rate
Valve classification
Classification of valves according to their automatic and drive, use and function, technical parameters, structural features and structural principles
First, according to automatic and drive classification
1. "Automatic valve" A valve that operates on its own depending on the capabilities of the medium (liquid, air, steam, etc.). Such as safety valves, check valves, pressure reducing valves, steam traps, solenoid valves, air traps, emergency shut-off valves, etc.
2, "driven valve" means a manual valve, electrical, hydraulic or pneumatic power to manipulate. Such as gate valves, globe valves, throttle valves, butterfly valves, ball valves, plug valves, etc.
Second, by purpose and role classification
1. "Truncation valve" is mainly used to cut off or turn on the flow of medium in the pipeline. Such as gate valves, globe valves , ball valves , plug valves, butterfly valves, diaphragm valves, etc.
2. " Check valve type" is used to prevent the medium from flowing backwards. Check valves of various structures
3. “ Regulators †are mainly used to regulate the pressure and flow of the medium in the pipeline. Such as regulating valves , throttle valves, pressure reducing valves, etc.
4. “Diverter valve type†is used to change the direction of medium flow in the pipeline, and to distribute, divert or mix media. Such as various types of distribution valves, three-way or four-way plug valves , three-way or four-way ball valves , various types of traps, etc.
5. “ Safety Valves †For overpressure safety protection, discharge excess medium to prevent pressure from exceeding the specified value. Such as various types of safety valves
6, "Multi-purpose valve" is used to replace two, three or even more types of valves. Such as stop check valves , check ball valves , stop check safety valves, etc.
7, "Other special special valves" such as sewage valve, vent valve, clearing valve, pigging valve, etc.
Third, according to the main technical parameters
Classification by nominal diameter valve
1. "Small-diameter valve" Valve with nominal diameter DN≤40mm
2, "Medium caliber valve" Nominal diameter DN50-300mm valve
3, "large diameter valve" nominal diameter DN350-1200mm valve
4, "Extra large diameter valve" Nominal diameter DN ≥ 1400mm valve
Classification by nominal pressure valve
1. " Vacuum valve " Valve with a working pressure lower than the standard atmospheric pressure
2, "Low pressure valve" Nominal pressure PN ≤ 1.6MPA valve
3, "Medium pressure valve" Nominal pressure PN2.5-6.4MPA valve
4, "high pressure valve" nominal pressure PN10.0-80.0MPA valve
5, "Ultra high pressure valve" Nominal pressure PN ≥ 100MPA valve
Classification of valves by media operating temperature
1. "High temperature valve" t>450 °C valve
2, "Medium temperature valve" 120 ° C ≤ t ≤ 450 ° C valve
3, "normal temperature valve" -40 ° C ≤ t ≤ 120 ° C valve
4, "Cryogenic valve" -100 °C ≤ t ≤ -40 ° C valve
5, "super low temperature valve" t <-100 °C valve
Classification of valves by valve body material
1, "non-metallic material valves" such as ceramic valves, glass steel valves, plastic valves
2, "Metal material valve" such as copper alloy valve, aluminum alloy valve, lead alloy valve, titanium alloy valve, Monel valve, cast iron valve, cast steel valve, low alloy steel valve, high alloy steel valve
3, "Metal valve body lining valve" such as lining lead valve, lined plastic valve, lining enamel valve
Classification of valves by means of connections to pipes
1. "Flange-connected valve" Valve with flange on the valve body and flanged connection to the pipe
2, "Threaded connection valve" Valve with internal or external thread on the valve body, threaded connection with the pipe
3, "welding connection valve" valve with welding port on the valve body, welded with the pipe
4. “Clamping the valve†The valve body has a clamping port and the valve is connected with the pipe.
5, "Knocker connection valve" Valve with pipe sleeve and pipe connection
Classification of valves by manipulation
1. “Manual Valve†A valve operated by manpower by means of a hand wheel, handle, lever or sprocket. When a large torque needs to be transmitted, a reduction gear such as a worm gear or a gear can be used.
2. "Electric valve" Valve operated by electric motor, electromagnetic or other electrical device
3, "Hydraulic or pneumatic valve" Valve operated by means of liquid (liquid medium such as water, oil, etc.) or air pressure
Fourth, according to structural characteristics
1, "cut door shape" closing piece moves along the center line of the valve seat
2, "gate shape" closing member moves in a direction perpendicular to the center line of the valve seat
3, 『cock and ball〠The closing piece is a plunger, a taper or a sphere that rotates around its own axis.
4, 『Swing-up〠The closing member rotates around the axis outside the seat
5, "Butterfly" closing disc, rotating around the axis of the valve seat (center line) or rotating around the axis outside the seat (eccentric)
5. Classification according to structural principles
valve
gate
Wedge gate valve
Single gate valve
Double gate valve
Elastic gate gate valve
Lifting rod gate valve
Rotary rod gate valve
Quick opening and closing gate valve
Shrink gate valve
Parallel gate valve
Single board parallel
Lifting rod has a diversion hole
Lifting rod without diversion hole
Rotating rod has a diversion hole
Rotating rod without diversion hole
Double plate parallel
Lifting rod has a diversion hole
Lifting rod without diversion hole
Rotating rod has a diversion hole
Rotating rod without diversion hole
Butterfly valve
Midline butterfly valve
Eccentric butterfly valve
Single eccentric butterfly valve
Double eccentric butterfly valve
Triple eccentric butterfly valve
Rotary valve
Ball valve
Floating ball valve
Fixed ball valve
Elastic ball valve
Rotary valve
Plug valve
Pressure balanced plug valve
Compact plug valve
Packing plug valve
Self-sealing plug valve
Oil seal plug valve
Shut-off valve
Upper threaded stem stop valve
Lower threaded stem stop valve
Straight-through stop valve
Angle stop valve
Three-way stop valve
DC shut-off valve
Plunger type stop valve
Needle stop valve
Check valve
Swing check valve
Single flap swing check valve
Double flap swing check valve
Lift check valve
Bottom valve
Spring loaded lift check valve
Spring loaded annular flap lift check valve
Multi-annular flow path lift check valve
Shuttle check valve
Butterfly check valve
Single board butterfly check valve
Double plate butterfly check valve
Pipe check valve
Nozzle check valve
Empty check valve
Slow closing check valve
Diaphragm check valve
Conical diaphragm check valve
Annular braided diaphragm check valve
Ball check valve
Single ball ball check valve
Multi-ball ball check valve
Safety valve
Heavy hammer safety valve
Spring type safety valve
Pulse safety valve
Micro-open safety valve
Fully open safety valve
Fully enclosed safety valve
Semi-closed safety valve
Open safety valve
Pressure reducing valve
Piston pressure reducing valve
Membrane pressure reducing valve
Air bag type pressure reducing valve
Steam trap
Mechanical steam trap
Free float steam trap
Lever floating ball steam trap
Free semi-float steam trap
Open-up float steam trap
Open down float steam trap
Thermostatic steam trap
Bellows steam trap
Membrane box steam trap
Bimetal steam trap
Thermodynamic steam trap
Disc steam trap
Pulse steam trap
Labyrinth or orifice steam trap
Diaphragm valve
Cut-off diaphragm valve
Roof diaphragm valve
Gate diaphragm valve
Multi-purpose valve
Stop check valve
Cut-off check valve
Cut-off safety valve
Check ball valve